This page is updated frequently with new Pupil-related patent applications.
|Image capture apparatus|
An image capture apparatus comprises an imaging optical system, an image sensor, a pupil division unit which limits a light beam entering each pixel on the image sensor to a specific pupil area of the imaging optical system, an incident angle determination unit which determines an incident angle to each pixel on the image sensor, an image shift unit which shifts an electric signal obtained from the image sensor, based on the incident angle determined by the incident angle determination unit and a position of a plane on which image generation is performed, and an image generation unit which synthesizes electric signals obtained from the image shift unit.. .
Canon Kabushiki Kaisha
|Iris acquisition using visible light imaging|
In embodiments of iris acquisition using visible light imaging, a mobile device includes a front-facing camera device with a light that can be used to project visible light to illuminate a face of a user of the mobile device. An eye location module can determine that the user is wearing glasses utilizing ambient light or the projected visible light.
Motorola Mobility Llc
|Contact lens and storage medium|
[solution] provided is a contact lens including: a lens unit configured to be worn on an eyeball; an adjustment unit configured to adjust light to be transmitted through at least one of a first region that is a central portion of the lens unit and covers a pupil of the eyeball and a second region that is an outer side of the first region and covers an iris of the eyeball; and a control unit configured to control the adjustment unit in response to input of a trigger signal.. .
|Smart contact lens|
The smart contact lens system hereby proposed, integrates a number of electronic, electro-optical or optical components on the contact lens substrate. The system, inter alia, is arranged to identify and track changes in pupillary response due to mental task engagement, also known as task-evoked pupillary response.
|Method for extended depth of field imaging|
The invention is a method for providing tunable extended depth of field (tedof) to an optical system. The method comprises: (a) providing at least one tunable spatial light modulator (slm) in the pupil plane or in the conjugate plane of the pupil plane of the optical system; (b) building a database of masks tailored to the structure of the tunable slms; (c) using the optical system to grab at least two images using different masks from the database of masks; and (d) time multiplexing the wavefront profiles of the at least two images to produce a final image.
B.g. Negev Technologies And Applications Ltd., At Ben-gurion University
|Registered reflective element for a brightness enhanced tir display|
The brightness of a tir-based display is enhanced with a registered reflective element by recycling and reflecting light that passes through the dark pupil region of each hemi-spherical protrusion in the hemi-spherical surface back to the viewer. A method to fabricate a brightness enhanced tir display comprising an apertured membrane with a thin conductive reflective metal layer facing and registered with the pupils of the hemi-spherical surface..
Clearink Displays, Inc.
|Visual line direction sensing device|
A visual line direction sensing device communicably connected with a head-up display device, which projects an image on a screen disposed ahead of a target, includes an image capture unit capturing a target image from a front side of the target, an acquisition unit acquiring adjusted position information indicative of an image projection position by an adjustment unit of the head-up display device, an estimation unit estimating positions of pupils of the target based on the adjusted position information acquired by the acquisition unit, a setup unit setting an inspection range of the target image captured by the image capture unit with reference to the positions of the pupils estimated by the estimation unit, and a calculator calculating a visual line direction of the target based on a status of the pupils included in the inspection range of the target image set by the setup unit.. .
|System, apparatus, and displaying an image with a wider field of view|
A system (100), apparatus (110), and method (900) for displaying an image (880). The system (100) can use an aspherical lens (450) to direct light (800) in the interim image (850) towards the viewer (96) of the final image (880) displayed by the system (100).
|Accommodation compensation systems and methods|
Methods and systems for obtaining an ocular aberration measurement of an eye of a patient are provided. Exemplary techniques involve obtaining a first induced metric for the eye that corresponds to a first accommodation state of the eye, obtaining a second induced metric for the eye that corresponds to a second accommodation state of the eye, and determining a natural metric of the eye based on the first and second induced metrics.
Amo Development, Llc
|Image processing apparatus and image processing method|
An image processing apparatus comprises an image acquiring unit configured to acquire a first image, which is an image including an eye; an image generating unit configured to generate a second image, which is a binary image representing an edge of the first image; a classifying unit configured to classify, based on presence or absence of the edge, pixels included in the second image; and a pupil-region generating unit configured to generate a pupil region, which is a region corresponding to a pupil in the first image, based on a classification result, wherein when pixels having a same value are present separately in a plurality of blocks in the second image, the classifying unit performs the classification of the pixels further based on areas of the blocks or luminance values of pixels in the first image corresponding to the blocks.. .
Projection objective for a microlithographic projection exposure apparatus
A projection objective of a microlithographic projection exposure apparatus contains a plurality of optical elements arranged in n>−2 successive sections a1 to an of the projection objective which are separated from one another by pupil planes or intermediate image planes. According to the invention, in order to correct a wavefront deformation, at least two optical elements each have an optically active surface locally reprocessed aspherically.
Light flux diameter enlarging element and display device
A light flux diameter expanding element (a pupil expanding element) used in a retina scanning display device includes first to fourth diffraction gratings which are provided with grating patterns extending in a first direction, and fifth to eighth diffraction gratings which are provided with grating patterns extending in a second direction, and includes a half-wave plate between the first diffraction grating and the fifth diffraction grating. A first light flux of polarized light in which an electric field vector oscillates in the first direction enters the first diffraction grating.
Seiko Epson Corporation
Simultaneous capture of filtered images of the eye
A multimode fundus camera enables three-dimensional and/or spectral/polarization imaging of the interior of the eye to assist in improved diagnosis. In one aspect, the multimode fundus camera includes a first imaging subsystem, a filter module, and a second imaging subsystem.
Ricoh Company, Ltd.
Focus detection device and image-capturing apparatus
A focus detection device includes: a plurality of first pixels having first color filters, via which a pair of first signals, to be used for split-pupil phase detection, are output; a plurality of second pixels having second color filters, via which a pair of second signals, to be used for the split-pupil phase detection, are output; a phase difference detection unit that detects a phase difference manifested by the first signals or a phase difference manifested by the second signals; and a defocus amount calculation unit that calculates a defocus amount by using a first conversion coefficient corresponding to the first color when the phase difference detection unit has detected the phase difference manifested by the first signals and by using a second conversion coefficient corresponding to the second color when the phase difference detection unit has detected the phase difference manifested by the second signals.. .
Lithographic method and apparatus
A method of correcting an optical image formed by an optical system, the method including obtaining a map indicative of a polarization dependent property of the optical system across a pupil plane of the optical system for each spatial position in an image plane of the optical system, combining the map indicative of the polarization dependent property of the optical system with a radiation map of the intensity and polarization of an input radiation beam to form an image map, and using the image map to correct an optical image formed by directing the input radiation beam through the optical system.. .
Asml Netherlands B.v.
Video display device and head-mounted display
A video display device includes: a display element displaying images by modulating light from an illumination optical system; and an eyepiece optical system guiding image light from the display element into an optical pupil. The illumination optical system includes: a light source including light emission points arranged substantially linearly; a diffuser plate diffusing illumination light from the light source in a first direction, in which the light emission points are arranged, but not in a second direction perpendicular to the first direction; and an optical element bending the illumination light such that the optical pupil and the light source are substantially conjugate.
Konica Minolta, Inc.
Fluorescence observation unit and fluorescence observation apparatus
A fluorescence observation unit includes a scanner that scans ultrashort pulsed laser light, a pupil projection lens that focuses the scanned ultrashort pulsed laser light, an image-forming lens that converts the focused ultrashort pulsed laser light to substantially collimated light and causes the ultrashort pulsed laser light to be incident on the objective lens, and a dichroic mirror that splits off, from the optic path of the ultrashort pulsed laser light, fluorescence generated in a sample due to irradiation with the ultrashort pulsed laser light and collected by the objective lens. The image-forming lens includes a first optical system having positive refractive power, and a second optical system having negative refractive power and disposed at a position closer to the scanner than the first optical system is.
Wide field of view multibeam optical apparatus
A multi-beam lidar optical system, that in one example includes a plurality of single mode optical fibers configured to transmit and receive light beams, and a plurality of lenses configured to collimate and focus the light beams between the plurality of single mode optical fibers and an entrance pupil of the system, wherein the system is configured to transmit and receive the light beams over an angular field of view of at least 5°.. .
Raytheon Canada Limited
Two-step sleepy driving prevention apparatus through recognizing operation, front face, eye, and mouth shape
Disclosed therein is a two-step drowsy driving prevention apparatus through motion, face, eye, and mouth recognition. A driving judging unit which includes a gps device to detect a driving state of a vehicle and a drowsiness judging unit which receives image and three-dimensional depth information from a photographing unit including an infrared depth sensor and an infrared camera mounted at positions to observe a driver's face judge a cycle of a yawn, a speed and a cycle of nodding the head and a speed and a cycle of a blink of the eye as a first step judgment.
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Technique for centering an application field
The present disclosure generally relates to a technique for centering an application field for an ophthalmic device or a method. More specifically, and without limitation, the disclosure relates to a device and a method for centering an application field relative to the cornea of a human eye responsive to movement of the eye tracked in real-time during the ophthalmic application based on a pupil center.
Imaging module and imaging device
The present invention relates to an imaging device including a multi-lens including a central optical system (wide-angle lens) and an annular optical system (telescopic lens) which have a common optical axis, an image sensor, and an array lens provided on the incidence surface side of the image sensor and including microlenses (pupil imaging lens). In a preferred aspect of the present invention, two images having different characteristics are generated based on a pupil image of each unit block including 3×3 light reception cells assigned to each of the microlenses of the array lens.
Adjusting an electronic display based on gaze tracking
A system for adjusting an electronic display is provided herein. The system includes a gaze tracking device to capture an image of a pupil associated with a viewer of the electronic display, and a diameter of the pupil being ascertained via the image of the pupil.
Method and device for monitoring multiple mirror arrays in an illumination system of a microlithographic projection exposure apparatus
Microlithographic illumination system includes individually drivable elements to variably illuminate a pupil surface of the system. Each element deviates an incident light beam based on a control signal applied to the element.
Carl Zeiss Smt Gmbh
Total internal reflection light illumination device
A total internal reflection light illumination apparatus includes a light source providing illumination light l1, a spatial light modulator inputting the illumination light l1 and converging and outputting the illumination light l1 by presenting a lens pattern, an objective lens illuminating an object substrate with illumination light l2 converged and output by the spatial light modulator, and a calculation unit providing, to the spatial light modulator, the lens pattern corresponding to at least one of a desired polarization state, desired penetration length, desired shape, and desired light intensity of the evanescent light l3. The lens pattern converges the illumination light l2 on a pupil plane of the objective lens..
Hamamatsu Photonics K.k.
Correcting for aberrations in incoherent imaging systems using fourier ptychographic techniques
Aberration-corrected incoherent imaging methods and systems that can acquire a sequence of coherent images and an incoherent image of a specimen, implement an embedded pupil function recovery process in junction with fourier ptychographic technique to construct an improved resolution image and pupil function of the imaging system using the sequence of coherent images, determine an optical transfer function based on the estimated pupil function, and remove the aberration from the incoherent image using a deconvolution process to generate an aberration-corrected incoherent image.. .
California Institute Of Technology
Microscope for evanescent illumination and point-shaped raster illumination
The present invention relates to a microscope (30) comprising an objective (1) and an illumination unit (31) for selectable generation of an orthoscopic beam path (14) proceeding through the objective (1) for pointlike scanning illumination, and of a conoscopic beam path (13) proceeding through the objective (1) for evanescent illumination of an object, the illumination unit comprising: a light source (10) for generating illuminating rays along an illuminating beam path (32); a displacement unit (7) for deflecting the illuminating beam path (32); a scanning eyepiece (8), placed after the displacement unit (7), for focusing the illuminating rays into an image plane (11) of the scanning eyepiece (8); and a mirror surface (6) arranged in the image plane (11) of the scanning eyepiece (8), having a transparent region (27) for generating the orthoscopic beam path (14) and having an at least partly reflective region (28) facing toward the scanning eyepiece (8) for generating the conoscopic beam path (13) from the illuminating beam path (32), the image plane (11) of the scanning eyepiece (8) being located, with reference to the conoscopic beam path (13), in a plane conjugated with the exit pupil (2) of the objective (1).. .
Leica Microsystems Cms Gmbh
Wafer and reticle inspection selecting illumination pupil configurations
In an optical inspection tool, an illumination aperture is opened at each of a plurality of aperture positions of an illumination pupil area one at a time across the illumination pupil area. For each aperture opening position, an incident beam is directed towards the illumination pupil area so as to selectively pass a corresponding ray bundle of the illumination beam at a corresponding set of one or more incident angles towards the sample and an output beam, which is emitted from the sample in response to the corresponding ray bundle of the incident beam impinging on the sample at the corresponding set of one or more incident angles, is detected.
Eye gaze detection supporting device and eye gaze detection supporting method
An eye gaze detection supporting device includes an illuminator including a light source that performs irradiation with light, a plurality of imaging units, position detectors that detect a first position indicating a center of a pupil and a second position indicating a center of corneal reflection, from an image of an eye ball of a subject irradiated with light by the illuminator, and captured by the imaging units, and a calculator that calculates a fourth position indicating a curvature center of a cornea, based on a position of the light source, a third position on a display, the first position, and the second position.. .
Jvc Kenwood Corporation
Pupillometers and using a pupillometer
In one embodiment, a portable pupillometer including a testing compartment, at least one ocular disposed on the testing compartment, two or more light sources disposed in the testing compartment and forming a plurality of visual stimuli for a subject looking through the at least one ocular, at least one camera configured to capture images of a pupil of the subject via infrared detection, the images indicating pupillary responses to the two or more light sources, and an interface for connection with a computing device external to the pupillometer, the interface adapted to (i) provide, to the computing device, images from the at least one camera, and (ii) receive, from the computing device, control signals for controlling the plurality of light sources.. .
Tel Hashomer Medical Research Infrastructure And S Ervices Ltd.
Method and adjusting photography parameters
A method and an apparatus for adjusting photography parameters are provided. The method includes: determining a pupil size of a person; and adjusting one or more photography parameters according to the pupil size.
Embodiments that relate to determining an estimated pupil region of an eye are disclosed. In one embodiment a method includes receiving an image of an eye, with the image comprising a plurality of pixels.
Microsoft Technology Licensing, Llc
Adaptive optics for imaging through highly scattering media in oil reservoir applications
Embodiments of the invention provide an imaging system and method using adaptive optics and optimization algorithms for imaging through highly scattering media in oil reservoir applications and lab-based petroleum research. Two-/multi-photon fluorescence microscopy is used in conjunction with adaptive optics for enhanced imaging and detection capabilities in scattering reservoir media.
Method of analysis of body reactions to external stimuli
A method of analysis of body reactions to external stimuli with the use of a microprocessor diagnostic system is characterized in that the image obtained from the camera (1) is analyzed in a microprocessor system (2), wherein the image is obtained by exposure of the eye to visible light emitted by an illuminator, and then a video sequence is registered, and the analysis is performed by the microprocessor (2) executing a program that implements an algorithm of image analysis for detection of characteristic features of the image which allow its identification, and in the first place the eye (3) is detected, and then, in the region of its pupil (4), geometric parameters (5) of the pupil and their changes over time are measured, and on the basis of the data obtained a diagnosis module (6) generates a test result (7) transmitted to a database (8).. .
Decylion Sp. Z O.o.
Presbyopia correction through negative spherical aberration
Devices, systems, and methods for treating and/or determining appropriate prescriptions for one or both eyes of a patient are particularly well-suited for addressing presbyopia, often in combination with concurrent treatments of other vision defects. High-order spherical aberration may be imposed in one or both of a patient's eyes, often as a controlled amount of negative spherical aberration extending across a pupil.
Amo Manufacturing Usa, Llc
Image capturing apparatus and image processing apparatus
The image capturing apparatus includes an image sensor including multiple pixels each including at least one photoelectric convertor and a transmittance distribution provider to provide, to at least part of the multiple pixels, a transmittance distribution depending on an incident angle of light. The multiple pixels includes an adjacent pixel group that includes a first pixel and second pixels adjacent to the first pixel, the adjacent pixel group including pixels to which mutually different four or more kinds of the transmittance distributions are provided.
Canon Kabushiki Kaisha
A wearable computing device or a head-mounted display (hmd) may be configured to track the gaze axis of an eye of the wearer. In particular, the device may be configured to observe movement of a wearer's pupil and, based on the movement, determine inputs to a user interface.
Diffraction grating lens, design optical system having same, image computation program, and production diffraction grating lens
A method for designing an optical system having a stepped diffraction grating surface includes a flare computation step of defining a temporary shape of the diffraction grating surface and computing a flare amount, and a determination step of determining whether or not the flare amount is within a permissible range, and setting the temporary shape as a shape of the diffraction grating surface if the flare amount is within the permissible range, and returning to the flare computation step if the flare amount is out of the permissible range. The flare computation step includes a temporary shape definition step of defining the temporary shape, a phase computation step of conducting ray tracing from an object surface to an image surface of the optical system at a predetermined field angle, using the temporary shape to find phase information, a pupil distribution computation step of finding pupil distribution on an exit pupil, based on the phase information, and a point image distribution computation step of finding point image distribution on the image surface from the pupil distribution, using a wave propagation analysis method to compute the flare amount..
Panasonic Intellectual Property Management Co., Ltd.
Inspection apparatus to detect a target located within a pattern for lithography
A system detects targets located within patterns. It operates in the pupil plane by filtering the received signal from the surrounding pattern.
Asml Netherlands B.v.
Computational array camera with dynamic illumination for eye tracking
Methods and systems for eye tracking are disclosed. One such method obtains a plurality of images of the eye from an array camera and detects glint positions and a pupil edge of the eye in the plurality of the images.
Total internal reflection microscope
The total internal reflection microscope has an illumination optical system that relays light from a light source with a relay optical system, forms an image of the light source on the incident pupil plane of the objective lens and irradiates a sample with the illumination light via an objective lens, has an angle adjustment mirror for changing the position of the image of the light source in a direction orthogonal to the optical axis, an optical detector for detecting the intensity of the returning illumination light reflected by the sample and collected by the objective lens, and a controller for determining the operation amount of the angle adjustment mirror, wherein the controller determines the operation amount of the angle adjustment mirror so that the illumination light is totally reflected at the sample based on the change in intensity of the returning light when the angle adjustment mirror is changed.. .
Real-time processing and adaptable illumination lidar camera using a spatial light modulator
An apparatus for illuminating or masking an object and a method of using same. The apparatus includes a spatial light modulator transmitting, a structured pulsed laser beam from a pupil plane to at least one image plane in a field of view.
Government Of The United States Of America, As Represented By The Secretary Of The Navy
Systems, devices, and methods for eyebox expansion in wearable heads-up displays
Systems, devices, and methods for eyebox expansion by exit pupil replication in wearable heads-up displays (“whuds”) are described. A whud includes a scanning laser projector (“slp”), a holographic combiner, and an exit pupil selector positioned in the optical path therebetween.
Thalmic Labs Inc.
Quantitative pupillometry as a bedside predictor of postoperative respiratory depression
A non-invasive bedside tool for monitoring central nervous system effects of opioids. The tool illustratively comprises a quantitative pupillometry system for predicting a probability of at least one opioid-related central effect based on detected pupillary effects..
Children's Hospital Medical Center
Image generation method, image generation apparatus, program, and storage medium
An image generation method is provided for generating an output image from an input image acquired by an image sensor that has an array of mnitple pixels, each of which has arranged therein multiple sub-pixels that each receive a light beam that passes through a different pupil sub-area of an imaging optical system. The method includes a step of generating multiple parallax images that respectively correspond to the different pupil sub-areas; a step of generating multiple pixel shifted images by performing different shifting for each of the parallax images according to a virtual image forming plane of the imaging optical system; and a step of generating an output image that has a higher resolution than the resolution of the parallax images from the pixel shifted images through composition processing..
Canon Kabushiki Kaisha
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Image processing apparatus
Provided is an image processing apparatus, including: pixel portions each configured to output a first added signal obtained by adding signals output from a first group among a plurality of photoelectric converters and output a second added signal obtained by adding signals output from a second group, which is a part of the first group; an added signal separation unit configured to generate a third added signal by subtracting the second added signal from the first added signal, and output the second and the third added signal; a phase difference measurement unit configured to perform a phase difference measurement based on the second and the third added signal; and an image pickup element drive unit configured to change a combination of photoelectric converters included in the second group so as to change a pupil division direction for the phase difference measurement performed in the phase difference measurement unit.. .
Canon Kabushiki Kaisha
Method for designing freeform surfaces off-axial imaging system with a real exit pupil
A method for designing freeform surface off-axial three-mirror imaging system with a real exit pupil is related. An initial system is established.
Hon Hai Precision Industry Co., Ltd.
Dynamic lighting for head mounted device
A head mounted device includes a helmet, an ambient light sensor, a pupil dimension sensor, a lighting element, and a dynamic lighting system. The ambient light sensor is disposed in an outside surface of the helmet and measures ambient light outside the helmet.
Rotating slit-scan fundus imager
An improved fundus imager for recording an image of a fundus of an eye is described. A line from a point on the fundus at a center of the image to a center of a pupil of the eye defines an axis.
Carl Zeiss Meditec, Inc.
Dynamic optimization of light source power
Technologies for power optimization of light sources include an imaging device to generate a captured image of a subject. The imaging device analyzes the captured image to determine, in the captured image, a location of the subject's eye relative to the imaging device, an iris-pupil contrast of the subject's eye, and a glint intensity of glints present on the subject's eye.
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The present invention provides an imaging device capable of greatly reducing the assignment number of light reception cells assigned to each microlens of an array lens and increasing the number of pixels of images having different characteristics that are captured simultaneously. One aspect of the present invention is an imaging device that includes an imaging optical system including a center optical system (wide-angle lens) and an annular optical system (telescopic lens) that share an optical axis, an image sensor, and an array lens arranged on the incidence side of the image sensor and including microlenses (pupil imaging lenses).
Method and correcting distortion on holographic display
A method and apparatus for correcting a distortion of a holographic display. The method includes tracking a location of a viewing window by tracking a location of a pupil of a user and calculating a central location of the viewing window, generating a wavefront aberration by determining an object point and an image point based on a location of a light source and the central location of the viewing window and using ray tracing, and calculating a complex aberration light field using the generated wavefront aberration.
Electronics And Telecommunications Research Institute
A projector capable of reliably reducing speckle noise includes a light modulation element which modulates laser light, and a projection optical system on which light emitted from the light modulation element is incident. When the center coordinates of an illumination distribution of laser light in an exit pupil of the projection optical system are x=0 and y=0, normalized illumination at each coordinate is p(x,y), and a calculation range of integration is r (mm), the value of ep determined from a specific numerical expression is set in a range according to the color of laser light..
Seiko Epson Corporation
Near-eye display device and methods with coaxial eye imaging
A near-eye display device includes (a) a display unit for displaying a display image, (b) a viewing unit for presenting the display image to the eye and transmitting ambient light from an ambient scene toward the eye, and (c) an eye imaging unit including (i) an illumination module for generating at least three infrared light beams propagating along at least three different, non-coplanar directions, respectively, (ii) a first beamsplitter interface, disposed between the display unit and the viewing unit, for merging at least a portion of each of the infrared light beams with visible display light to direct each portion toward the eye via the viewing unit, and (iii) a camera for imaging, via the viewing unit and the first beamsplitter interface, pupil of the eye and reflections of the infrared light beams incident on the eye, to form one or more images indicative of gaze direction of the eye.. .
Omnivision Technologies, Inc.
Multi-function health professional tool
A multifunction health professional tool, having a pair of scissors with a pair of blades and a pair of handles connected by a pair of shanks. The tool also includes a babinski reflex hammer detachably connected to one of the handles, a taylor reflex hammer having a first portion connected to one of the handles and a second portion connected to the opposing handle, a slide ruler attached to one of the shanks, and a pupil dilator light attached to one of the shanks..
Extendable eyecups for a virtual reality headset
A virtual reality (vr) headset includes an optics block and an electronic display element outputting image light. The optics block includes a lens and an additional lens each configured to direct portions of the image light to corresponding exit pupils.
Oculus Vr, Llc
Hologram projection apparatus using risley prism
A hologram projection apparatus using risley prism is provided, the apparatus including a spatial light modulator (slm) configured to output light incident from a light source through modulation into a hologram image, a light deflector configured to deflect the light output by the slm according to a location of a pupil of a user, and a fixed-focus lens configured to project the hologram image on a focal plane using the deflected light.. .
Electronics And Telecommunications Research Institute
Pupil dependent diffractive lens for near, intermediate, and far vision
A multifocal diffractive lens comprises a multifocal diffractive structure coupled to a refractive component. The refractive component comprises at least one curved surface.
Abbot Medical Optics Inc.
Lighting device having light source and reflector having ellipsoidal reflection surface
A lighting device includes a light source, a reflector having an ellipsoidal reflection surface, an aspherical lens, and an exit pupil. The source is arranged at a first focal point of the reflection surface and a part of the emitted light is reflected from the reflection surface in the direction of a second focal point.
System and controlling method thereof for performing measurements of an eye
A system for performing measurements of an eye comprises: a measurement tool that measures the eye, at least one rest that maintains a facial measurement position and defines a centering rest portion that maintains a lateral facial measurement position; an adjuster mechanism that moves an objective of the measurement tool relative to the eye; and a processing unit configured to control the system. The unit controls the system to position, for a first eye, the objective at a predefined first pre-scan position; scan the objective away from the first pre-scan position until the system detects a pupil of the first eye; and trigger one or more measurements of the first eye dependent on the system detecting the pupil of the first eye..
Camera correcting focus detection pixel
A camera system includes an interchangeable lens and a camera main body. The interchangeable lens includes a lens side storage unit that stores pupil related data according to an image height.
Illumination system of a microlithographic projection exposure apparatus
An illumination system of a microlithographic projection exposure apparatus includes a pupil forming unit directing light on a spatial light modulator that transmits or reflects impinging light in a spatially resolved manner. An objective images a light exit surface of the spatial light modulator on light entrance facets of an optical integrator so that an image of an object area on the light exit surface completely coincides with one of the light entrance facets.
Carl Zeiss Smt Gmbh
Method and apparatuses for optical pupil symmetrization
An inspection apparatus may determine precise ov measurements of a target on a substrate using an optical pupil symmetrizer to reduce the inspection apparatus's sensitivity to asymmetry and non-uniformity of the illumination beam in the pupil plane. The inspection apparatus includes an illumination system that forms a symmetrical illumination pupil by (1) splitting an illumination beam into sub-beams, (2) directing the sub-beams along different optical branches, (3) inverting or rotating at least one of the sub-beams in two dimensions, and recombining the sub-beams along the illumination path to symmetrize the intensity distribution.
Asml Holding N.v.
Ocular video display device enabling natural field of view
A video display device is provided that naturally displays a video without blocking an observer's field of view, and includes the following: a display optical system that displays a video; an ocular optical system that guides video light emitted from the display optical system to the optical pupil of an observer; and a support that supports the ocular optical system upon the light path of video light emitted from the display optical system. The support includes a first support plate and a second support plate that face each other, and the ocular optical system is located between the first support plate and the second support plate.
Telepathy Holdings Co., Ltd.
Hybrid image-pupil optical reformatter
A hybrid image-pupil optical reformatter and method for optional use with a spectrometer is disclosed, which performs beam slicing in pupil space and stacks replicas of the input source generated from the pupil beam slices in image space. The optical reformatter comprises a collimator which receives an input light and produces a collimated beam; a first optical element which receives the collimated beam, redirects portions of the collimated beam back toward the collimator as reimaged beams and permits portions of the collimated beam to pass; a second optical element which receives the reimaging beams and redirects the reimaging beams back toward the collimator and the first optical element; to form an output beam comprising the portions of the collimated beams that are not redirected toward the collimator by the first optical element.
Tornado Spectral Systems Inc.
Spectacles and determining the pupil center of both of the wearer's eyes
The invention relates to a pair of spectacles (1) comprising a frame (2), said frame (2) having at least one lens-receiving opening (3) for a lens, and having a right nose section (5) of the frame and a left nose section (6) of the frame, wherein a right eye-capturing camera (7) is arranged in the right nose section (5) of the frame, and a left eye-capturing camera (8) is arranged in the left nose section (6) of the frame.. .
Programmable spectral source and design tool for 3d imaging using complementary bandpass filters
An endoscopic illumination system for illuminating a subject for stereoscopic image capture, includes a light source which outputs light; a first complementary multiband bandpass filter (cmbf) and a second cmbf, the first and second cmbfs being situated in first and second light paths, respectively, where the first cmbf and the second cmbf filter the light incident thereupon to output filtered light; and a camera which captures video images of the subject and generates corresponding video information, the camera receiving light reflected from the subject and passing through a pupil cmbf pair and a detection lens. The pupil cmbf includes a first pupil cmbf and a second pupil cmbf, the first pupil cmbf being identical to the first cmbf and the second pupil cmbf being identical to the second cmbf, and the detection lens includes one unpartitioned section that covers both the first pupil cmbf and the second pupil cmbf..
System, for measuring pupillary distances
A measuring system that embodies a method and a calibration frame for use in measuring pupillary distances is provided. The calibration frame provides true measurements as well as known measurements over a vertical plane co-planar between at least two identified points.
Viewer with enhanced depth perception
A viewer for viewing an object under magnification, the viewer comprising: an objective lens for producing an image of an object located at an object plane and having a radial extent defined by an aperture stop; a partially-transmissive reflector for allowing transmission of light therethrough from the objective lens to a mirror arrangement and providing for reflection of light which is returned thereto from the mirror arrangement; a mirror arrangement which receives a light component from the partially-transmissive reflector, and is located such that a focussed image of the object is produced at the mirror arrangement and light received by the mirror arrangement is reflected back to the partially-transmissive reflector and relayed to produce an image of the object; a viewing lens arrangement for producing an optical image of the object which is viewable by an observer at an exit pupil at a viewing plane; wherein the objective lens has a beam path angle (α) as defined by a distance from the object plane to the objective lens and a radial extent of the aperture stop; wherein the viewer has a viewing angle (β) as defined by a distance along an optical axis from the mirror arrangement to the viewing plane and a radial extent of the exit pupil at the viewing plane; wherein the viewer is configured such that a displacement ratio of the beam path angle (α) to the viewing angle (β) is at least 3:1, whereby the observer is provided with a greater change in depth perception of the object being observed relative to an extent of displacement of a head of the observer.. .
Vision Engineering Limited
Illumination system and illumination optical unit for euv projection lithography
An illumination optical unit for euv projection lithography guides illumination light toward an object field. A field facet mirror of the illumination optical unit has a multiplicity of individual mirrors which are switchable between at least two tilting positions.
Carl Zeiss Smt Gmbh
Apparatus and assessing effects of drugs by recording ocular parameters
The invention is directed to quantification of the effects of drugs on a patient using pupillometric measures. Apparatus and processes for obtaining control and patient measures and deriving relationships from same are provided.
Pupillometry systems, methods, and devices
Pupillometry systems for measuring one or more pupillary characteristics of a patient are shown and described. The puillometry systems include at least one camera for capturing image data of one or snore pupils, at least one radiation source configured to project radiation to the one or more pupils, and a computer system in data communication with the at least one camera, the computer system having a processor and a non-transitory computer-readable storage medium.
Image pickup apparatus and image pickup system
An image pickup apparatus, comprising a point image intensity distribution generating unit configured to generate a point image intensity distribution based on lens light field data and a sensor light-receiving intensity characteristic, the lens light field data including information relating to directions of a plurality of light fluxes emitted from one point of an object position and passing through different regions of an exit pupil of an imaging optical system; and information relating to positions of points on the plurality of light fluxes, the sensor light-receiving intensity characteristic representing light-receiving intensities, which are determined on a light receiving surface of an image pickup element, of light fluxes passing through respective regions of an entrance pupil of a microlens arranged over the image pickup element.. .
Illumination system for illuminating a mask in a microlithographic exposure apparatus
An illumination system of a micro-lithographic projection exposure apparatus is provided, which is configured to illuminate a mask positioned in a mask plane. The system includes a pupil shaping optical subsystem and illuminator optics that illuminate a beam deflecting component.
An illumination system has illumination optics which guide euv illumination light collected by a collector to an object field. The illumination optics have a field facet mirror and a pupil facet mirror.
Compact articulating telescope
An unobscured afocal three-mirror telescope can provide a two-axis gimbal architecture that is more compact, more lightweight, and less expensive than traditional coudé path approaches. The telescope can create a real exit pupil and position the exit pupil on a 90-degree fold mirror.
Phase contrast microscope
I is a radius of a pupil of the objective.. .
Iris recognition lens system
An iris recognition lens system including a first lens and a second lens disposed on an optical axis and sequentially from an object to take an image of an iris and a pupil. A front part of the first lens includes a reflecting area in a central portion and a transmitting area in a circumferential portion.
Pupilary screening system and method
A method of screening a pupil of a subject to determine whether the pupil reflex resembles a canonical pupil reflex is disclosed. The method comprises the steps of stimulating the pupil with a stimulus source, such as a pupilometer and determining whether one of various pupillary response conditions is met..
Imaging device and imaging method
The imaging device of the present invention includes: an image sensor 14 that is configured such that a plurality of pixels having an organic layer (14-4) for photoelectric conversion is two-dimensionally arranged, and each pixel of the image sensor (14) is divided into a plurality of regions, and has an on-chip microlens (15), which forms a pupil image of a optical imaging system on the plurality of regions, and reading sections (16) which respectively read photoelectrically converted signals of the plurality of divided regions; an optical diaphragm that mechanically stops down rays which are incident into the image sensor 14; and an electronic diaphragm section that electronically controls an aperture value, and that selects signals of the divided regions corresponding to the aperture value from the signals of the plurality of divided regions, on the basis of the aperture value which is controlled by the optical diaphragm.. .
Imaging device and imaging method
The imaging device 1 has an image sensor 14 and an electronic diaphragm section. In the image sensor 14, a plurality of pixels having an organic layer for photoelectric conversion is two-dimensionally arranged.
Provided is an imaging apparatus having a plurality of light receiving parts for each one microlens in order for capturing a three-dimensional image, while being capable of obtaining a more natural image when creating a two-dimensional image. The imaging apparatus includes: a microlens array (2) having a plurality of microlenses (20) regularly aligned two-dimensionally; an imaging lens for imaging light from a subject onto the microlens array (2); and a plurality of light receiving parts (22l, 22r) disposed for each of the plurality of microlenses (20).
Digital optical instrument having a folding bridge
The invention relates to a digital optical instrument including two eyepieces and a folding bridge for adapting the eyepiece distance to the interpupillary distance of the user. In an image recorded by an image sensor, a first bounding frame which is tilted about a first tilt angle relative to the image sensor, is defined and bounds a first portion of the recorded image, wherein the first tilt angle is defined depending on the folding angle.
Rotatable oblique-viewing stereoendoscope
Rotatable, oblique-viewing stereoendoscope including a dual-pupil aperture divided to a first pupil and a second pupil, a proximal objective assembly positioned proximally to the dual-pupil aperture, a first image sensor configured to detect a first image focused by the proximal objective assembly and a second image sensor configured to detect a second image focused by the proximal objective assembly, a relay system positioned distally to the dual-pupil aperture and a front optical system positioned distally to the relay system, the front optical system including a folding prism, wherein the front optical system is configured to reimage the dual-pupil aperture at a distal end thereof, thereby producing an image of the first pupil and an image of the second pupil at a distal pupil plane and wherein the stereoendoscope does not include a negative power lens positioned distally to the folding prism.. .
Method for measuring two pupils and dual-pupil measuring device
A method for measuring two pupils includes a number of steps. A first visible light beam and a first invisible light beam are emitted toward a right eye.
Head-mounted optical coherence tomography
The invention provides a system and method for obtaining ophthalmic measurements whereby the inventive device is configured to be head mountable, automatically axially length aligned with a selected target, and laterally aligned so that light from an oct source enters through the pupil of the eye under test. The frame of the head mountable oct is customizable, capable of analyzing both the left and right eye of a subject.
Vehicle lighting control system using wearable glasses and the same
A vehicle lighting control system includes wearable glasses configured to recognize pupils of a driver in a vehicle in real time, a head unit configured to receive a size of the pupils of the driver from the wearable glasses to acquire brightness control values of a plurality of lighting devices installed in the vehicle according to a predetermined formula, and a controller configured to adjust brightness of the lighting devices installed in the vehicle according to the brightness control values received from the head unit.. .
Hyundai Motor Company
Imaging device, ranging device and imaging apparatus
An imaging device includes a first imaging area having a plurality of first pixels and a plurality of second pixels arranged therein and a second imaging area having a plurality of first pixels and a plurality of third pixels arranged therein. Each of the first pixels, each of the second pixels and each of the third pixels receive a light flux from first, second and third pupil areas, respectively, of the exit pupil of an optical system and operate for photoelectric conversion.
Canon Kabushiki Kaisha
Solid-state image sensor and image capturing apparatus using the same
The present invention provides a solid-state image sensor in which degradation in image quality can be reduced. The solid-state image sensor includes an optical isolation layer between a pupil dividing unit and a plurality of photoelectric conversion units.
Canon Kabushiki Kaisha
Optimized stereoscopic visualization
The present invention discloses a method comprising: calculating an x separation distance between a left eye and a right eye, said x separation distance corresponding to an interpupilary distance in a horizontal direction; and transforming geometry and texture only once for said left eye and said right eye.. .
Self-service prescription eyewear kiosk
A self-service eyewear ordering kiosk is disclosed. Customers may order eyewear at the kiosk without requiring assistance from retail sales associates or from optical professionals.
Essilor International (compagnie Generale D'optique)
Systems and methods for measuring reactions of head, eyes, eyelids and pupils
Systems and methods are provided to measure reaction times and/or responses for head, eye, eyelid movements, and/or changes in pupil geometry. The system includes eyewear or headwear including one or more eye-tracking cameras for monitoring the position and geometry of at least one eye and its components of the user, one or more scene cameras for monitoring the user's surroundings, and one or more processors to determine reaction times.
Method for determining ocular measurements using a consumer sensor
Disclosed is a method for determining at least one ocular measurement (pupillary distance, mono pupillary distance and/or heights) of a user, using a consumer-type digital image sensor. The method uses at least one image of the user's head, acquired by the image sensor and containing an object of known size.
Light-restricted projection units and three-dimensional display systems using the same
The invention features a multi-view display system based on planar- or circular-aligned light-restricted projection units. A light-restricted projection unit is constituted by a display panel, a directional imaging structure transmitting optical messages from the display panel along a specific direction, and baffles encasing the display panel/directional imaging structure pair for light blocking.
Sun Yat-sen University
Imaging apparatus and control method thereof
Provided is an imaging apparatus including an imaging element including a pixel unit having first and second photoelectric conversion units configured to generate image signals by photoelectrically converting optical fluxes passing through different regions into which an exit pupil of an imaging optical system is divided for one micro-lens. The imaging apparatus controls each of the timing of a first removal operation of removing a noise component from a first image signal read from the first photoelectric conversion unit and the timing of a second removal operation of removing a noise component from a second image signal read from the first and second photoelectric conversion units to have a predetermined relationship with a frequency of a noise source occurring during an operation of reading the image signals..
Canon Kabushiki Kaisha
Lens array-based illumination for wafer inspection
Systems configured to provide illumination for wafer inspection performed by a wafer inspection tool are provided. One system includes one or more pupil lenses configured to focus a first far field pattern having a shape different than a shape of light generated by a light source.
An object is to enable lsm observation while correcting aberrations, as well as illumination with a desired pattern, using a single lcos. An observation apparatus of the present invention includes an objective lens that focuses laser light emitted from a light source and radiates the laser light onto a specimen; an lcos disposed at a position optically conjugate with the pupil position of the objective lens and capable of modulating, according to a wavefront modulation pattern, the wavefront of the laser light to be radiated onto the specimen by the objective lens; a scanner disposed at a position optically conjugate with the lcos and capable of two-dimensionally scanning the laser light to be radiated onto the specimen by the objective lens; a focusing mechanism that adjusts the focal position, in the specimen, of the objective lens in the optical axis direction; and a control unit that controls the lcos such that the lcos corrects aberrations at the focal position adjusted by the focusing mechanism and forms a desired illumination pattern on the specimen..
Apparatus for recognizing pupillary distance for 3d display
An apparatus for recognizing a pupillary distance for three-dimensional (3d) display includes a display configured to output a 3d image corresponding to a reference pupillary distance, a controller configured to control a viewing cone included in the 3d image, and a user inputter configured to receive a user feedback indicating whether an artifact is viewed in the 3d image in response to the controlling of the viewing cone. The controller may move the viewing cone within a margin corresponding to the reference pupillary distance, and change the reference pupillary distance or determine the reference pupillary distance to be a desired pupillary distance of the user based on the user feedback..
Samsung Electronics Co., Ltd.
Image sensor, image capturing apparatus, focus detection apparatus, image processing apparatus, and control image capturing apparatus
An image sensor in which pixels, each having a photoelectric conversion region divided into a plurality of regions, are arranged two-dimensionally, the image sensor comprising: a first pixel, from the pixels, for which each of photoelectric conversion regions divided in a first direction receives a light beam that passes through a pupil region; and a second pixel, from the pixels, for which each of photoelectric conversion regions divided in a second direction different to the first direction receives a light beam that passes through the pupil region; wherein the first pixel outputs signals having parallax in the first direction from the photoelectric conversion regions divided in the first direction, and the second pixel outputs signals having parallax in the second direction from the photoelectric conversion regions divided in the second direction.. .
Canon Kabushiki Kaisha
Ergonomic head mounted display device and optical system
This invention concerns an ergonomic optical see-through head mounted display device with an eyeglass appearance. The see-through head-mounted display device consists of a transparent, freeform waveguide prism for viewing a displayed virtual image, a see-through compensation lens for enabling proper viewing of a real-world scene when combined together with the prism, and a miniature image display unit for supplying display content.
Magic Leap, Inc.
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Devices and methods for monitoring non-invasive vagus nerve stimulation
Devices and methods are disclosed that treat a medical condition, such as migraine headache, by electrically stimulating a nerve noninvasively, which may be a vagus nerve situated within a patient's neck. Preferred embodiments allow a patient to self-treat his or her condition.