|| List of recent Pupil-related patents
| Head mounted display|
A display that includes a frame to be worn on a head of an observer, two image creation devices, two light guides to guide light beams output from the image creation devices and to output the light beams toward pupils of the observer, and an optical plate attached to a center part of the frame and attached to a periphery part of the light guides via an adhesive. The center part of the frame is thicker than an outside part of the frame..
| Device for measuring interpupillary distance in a head-mounted display unit|
In certain embodiments, a head-mounted display may include one or more displays for displaying images. A left and right movable disk may be placed respectively between the left and right eyes of a user and the one or more displays.
| Imaging apparatus and its control method and program|
The imaging apparatus has: a first exposure mode in which an exposure condition is determined based on pixel data generated by photoelectrically converting, by a plurality of pixels, light rays entering through a pupil division unit, a state of vignetting of the photographing optical system is determined based on information about a construction of a photographing optical system, and an exposure condition is determined based on the pixel data selected from the pixel data generated in accordance with the vignetting state; and a second exposure mode in which an exposure condition is determined based on data obtained by adding the generated pixel data with respect to the exit pupil area of the photographing lens.. .
Canon Kabushiki Kaisha
|Virtual or augmented reality headsets having adjustable interpupillary distance|
A virtual or augmented reality headset is provided having a frame, a pair of virtual or augmented reality eyepieces, and an interpupillary distance adjustment mechanism. The frame includes opposing arm members, a bridge positioned intermediate the opposing arm members, and one or more linear rails.
Magic Leap, Inc.
|Image processing device, imaging device, computer readable medium and image processing method|
An image processing device includes a generation unit that generates a first display image on the basis of image signals from an imaging element that includes first and second pixel groups at which a subject image is pupil-divided and formed, and a second display image to be used for focus confirmation; a parallax calculation unit that calculates a parallax between pixels of a first image and pixels of a second image; a display unit that displays images; and a display control unit, wherein the generation unit generates the second display image by arranging the first divided image, which is a first image part, and the second divided image, which is the second image excluding regions corresponding to the first divided image, to be shifted by amounts corresponding to the parallax in opposing directions in an intersectional direction intersecting a division direction.. .
Methods and apparatus for automatically expanding the eyebox of an optical imaging device by tracking the movement of an operator's eye, and automatically repositioning the exit pupil of the optical imaging device to follow the movement of the eye.. .
Raytheon Canada Limited
|System and mode division multiplexing|
A system and method are provided for coupling a plurality of optical signals, such as data signals, between a corresponding plurality of single mode optical fibers (smfs) and a multi-mode optical fiber (mmf), by optically coupling the optical signals of the smfs with respective spaced-apart regions at a facet of the mmf, such that at least some of the regions partially overlap with a plurality of different spatial modes supported by the mmf. The optical coupling is performed by utilizing imaging and beam shaping optics configured to couple each of the smf optical signals and the respective region at the mmf's optical pupil by carrying out the following: (i) imaging the smf optical signal propagating in between the associated smf and the respective region of the mmf to focus the optical signal emanating from the smf onto the respective region or vice versa; and (ii) shaping the optical signal being focused to convert a lateral field distribution thereof, between a first predetermined field distribution corresponding to the smf's spatial mode and a second predetermined field distribution at the respective region..
Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd.
|Portable pupil detection device with multiband stimulating light and infrared illumination|
The present invention discloses a portable pupil detection device with multiband stimulating light and infrared illumination, which comprises at least one pupil detection module for detecting the variation of the pupil of the testee. Each pupil detection module includes an illuminating light source emitting invisible light beams; a stimulating light source emitting visible light beams; at least one beamsplitter corresponding to the illuminating light source, the stimulating light source and an eye of the testee, cooperating with the illuminating light source and the eye to form a first optical path, and cooperating with the stimulating light source and the eye to form a second optical path; a lens corresponding to the beamsplitter and receiving the invisible light beams sent out by the beamsplitter to form an image of the eye; and an imaging element receiving the image of the eye from the lens..
National Chiao Tung University
|Apparatus and displaying hologram based on pupil tracking using hybrid camera|
Provided are an apparatus and a method for displaying a hologram based on pupil tracking using a hybrid camera, wherein a hologram display apparatus includes a pupil tracker to track a location of a pupil of a user using a depth image and a color image generated by capturing an image of the user, a viewing window controller to control a viewing window of a hologram based on the tracked location of the pupil of the user, and a hologram generator to generate a hologram based on the controlled viewing window.. .
Electronics And Telecommunications Research Institute
|Design freeform imaging lens|
A design method of freeform imaging lens with a wide linear field-of-view (fov) is provided. A initial freeform imaging lens is developed, and the initial freeform imaging lens includes a first lens surface and an entrance pupil spaced from each other, wherein the fov of the system 2ω (±ω) is divided into 2k+1 sampling fields with equal interval Δω between each two adjacent sampling fields.
Hon Hai Precision Industry Co., Ltd.
Illumination optical system, exposure apparatus and device manufacturing method
The illumination optical system for illuminating an illumination target surface with light from a light source is provided with a polarization converting member which converts a polarization state of incident light to form a pupil intensity distribution in a predetermined polarization state on an illumination pupil of the illumination optical system; and a phase modulating member which is arranged in the optical path on the illumination target surface side with respect to the polarization converting member and which transmits light from the pupil intensity distribution so as to convert linearly polarized light thereof polarized in a first direction, into required elliptically polarized light and maintain a polarization state of linearly polarized light polarized in a second direction (x-direction or y-direction) obliquely intersecting with the first direction, in order to reduce influence of retardation caused by a subsequent optical system between the polarization converting member and the illumination target surface.. .
Progressive addition lens for a wearer
A progressive addition lens for a wearer, the optical lens having an addition lower by at least 0.5 diopter to the prescribed addition value of the wearer, wherein for a pupil diameter of 4 mm the modulation transfer function is greater or equal to 0.1 when measured for a spatial frequency comprised between 0 and 20 cycles per degree. .
Essilor International (compagine Generale D'optique)
Eye drop assist apparatus
An eye drop assist apparatus and method for sequentially administering an ocular medication into a patient's eyes. A bottle or vial containing liquid eye drops is supported in a holder.
Provided is a photoacoustic microscope, including: an objective lens configured to collect excitation light into a specimen, the excitation light in a wavelength range that is absorbed by an object to be observed; a detection light optical system configured to (i) form an image of a point light source of detection light in a middle portion of a pupil of the objective lens, the detection light having a wavelength that is different from the wavelength range of the excitation light, and (ii) emit the detection light onto the specimen by means of the objective lens; an optical scanning unit configured to deflect the excitation light and the detection light that enter the objective lens, for scanning the specimen; and a light detection unit configured to detect reflected light of the detection light that is reflected by the specimen.. .
Compact self-contained holographic and interferometric apparatus
A compact, self-contained holographic and interferometric apparatus and methods for eliminating vibration, including methods for eliminating relative displacement and vibration errors present in object and reference beam paths, are disclosed. The self-contained apparatus (600) includes an illuminated object (302) that scatters light and an objective lens (304) to form an object beam (350).
Asml Holding N.v.
Backside illumination image sensor and image-capturing device
A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element; and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens..
Image deflector for gun sights
Optical apparatus in which a beam deflector is used to reposition the sight beam from a reflex sight. In one example, an optical apparatus includes a reflex sight configured to produce a collimated reflex sight beam directed along an optical axis, and a beam deflector coupled to an output of the reflex sight and configured to deflect the reflex sight beam by a selected angle of deflection relative to the optical axis to reposition an eyebox of the reflex sight off-axis with respect to the optical axis and remote from the reflex sight.
Raytheon Canada Limited
An intraocular lens to be fixed in an eyeball has an optical pupil to provide a pinhole effect at the front center of the lens. The optical pupil is constituted by a limitative pattern that is partly formed in the front peripheral center of the lens to limit part of an optical path..
High-resolution scanning microscopy
A microscope and method for high resolution scanning microscopy of a sample, having: an illumination device for the purpose of illuminating the sample, an imaging device for the purpose of scanning at least one point or linear spot across the sample and of imaging the point or linear spot into a diffraction-limited, static single image below a reproduction scale in a detection plane. A detector device for detecting the single image in the detection plane for various scan positions is also provided.
Carl Zeiss Microscopy Gmbh
Imaging apparatus, photographic lens unit, and imaging unit
An imaging apparatus includes a photographic optical system, an image sensor, and an image processing unit. The system includes an aberration control element for generating a predetermined aberration.
Eye tracking-based user interface method and apparatus
A method includes matching a pupil center position obtained from image information taken by a camera and a center position of an ui on a display panel of a terminal, and recognizing the match as a touch on the ui when the match between the pupil center position and the center position of the ui is kept for a predetermined time or more.. .
Electronics And Telecommunications Research Institute
Retro-reflectivity array for enabling pupil tracking
An optical array system for performing pupil tracking using retro-reflectivity includes: an led array including at least one on-axis led and at least one off-axis led, for illuminating pupils of a user within an active region; a high-speed camera with a gaming motion sensor, for capturing images of the pupils illuminated by the led array; and a processor, coupled to the high-speed camera, for receiving the captured images and performing processing algorithms on them to isolate pupil information and thereby determine pupil presence and location within the active region.. .
Avago Technologies General Ip (singapore) Pte Ltd.
A stereoscopic endoscope includes an imaging optical system including a diaphragm which adjusts light intensity and a pupil splitting polarizing element that has a pair of polarizers which are disposed to line up along a splitting line as a boundary; a scope holder in which at least the pupil splitting polarizing element is disposed in an inner portion thereof; and an imaging device on which light is incident via the imaging optical system. Light which is incident on the pupil splitting polarizing element is polarized by the pair of polarizers in order to generate a right eye image and a left eye image, respectively.
Binoculars including: a pair of lens barrels each having a telescopic optical system; and interconnecting portions interconnecting the pair of lens barrels so as to be relatively rotatable about an axis of an axial member that is parallel to an optical axis of each of the telescopic optical systems, an interpupillary distance being adjusted by relatively rotating the pair of lens barrels about the axial member, the binoculars being characterized in further including: a click position setting mechanism serving to set a click position at a predetermined angle of rotation of the pair of lens barrels, the click position setting mechanism being configured to include a rotating member provided on the axial member so as to rotatable about the axis of the axial member and facing the interconnecting portion in a direction of the axis of the axial member, a protruded portion being provided on any one of the interconnecting portion and the rotating member, and a recessed portion being provided on the other of the interconnecting portion and the rotating member and being capable of engaging with the protruded portion; and a lock/unlock member locking the rotation of the rotating member with respect to the axial member and unlocking the locked rotation thereof.. .
Nikon Vision Co., Ltd.
Illumination system of a microlithographic projection exposure apparatus
An illumination system of a microlithographic projection exposure apparatus comprises a spatial light modulator which is arranged between a light source and a pupil plane. The spatial light modulator includes an array of micromirrors or other light deflecting elements each being capable of individually deflecting impinging projection into various directions.
Carl Zeiss Smt Gmbh
Calculation method, generation method, program, exposure method, and mask fabrication method
A generation method of generating, by a computer, data of a pattern of a mask used for an exposure apparatus including a projection optical system. The method includes dividing an effective light source formed on a pupil plane of the projection optical system into a plurality of point sources; generating a plurality of shifted pupil functions by shifting a pupil function corresponding to each of the plurality of point sources by a shift amount in accordance with a position of each point source; defining a matrix by arranging each of the plurality of shifted pupil functions in each row or each column of the matrix; calculating an eigenvalue and an eigenfunction by performing singular value decomposition of the matrix; calculating a map representing, when elements of a target pattern are inserted on an object plane of the projection optical system, an influence the elements inflict on each other..
Canon Kabushiki Kaisha
Head mounted display
A head-mounted or helmet-mounted display apparatus is provided. The apparatus includes an optical element which in use is disposed in front of the eyes of a user.
Bae Systems Plc
Optical unit and imaging apparatus
An optical unit includes a condensing lens which condenses light from an object; a pupil splitting polarization separation element which separately outputs two linearly polarized light beams of which polarizing directions are different from the condensed light using a left eye polarization separation region and a right eye polarization separation region which are formed by having a pupil splitting line which is orthogonal to an optical axis as a border; a polarizing direction conversion element which converts polarizing directions of the two linearly polarized light beams which are output from the pupil splitting polarization separation element; and a rotation driving unit which rotates the pupil splitting polarization separation element and the polarizing direction conversion element in an optical axis rotational direction.. .
Apparatus and transmitted light illumination for light microscopes and microscope system
The invention relates to an apparatus for transmitted light illumination for light microscopes having changing effective entrance pupil of an objective. The apparatus has a light source for emitting an illuminating light beam, and a holding device for holding a sample to be examined, and at least one diaphragm edge for trimming the illuminating light beam bundle, wherein the diaphragm edge is arranged between the holding device and the light source and extends transversely to an optical axis, wherein a beam path of the illuminating light between the diaphragm edge and a sample held by the holding device is free from beam focussing components.
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).
Illumination optical unit for projection lithography
An illumination optical unit for projection lithography illuminates an object field with illumination light. The illumination optical unit has a collector for collecting the emission of a light source for the illumination light.
Carl Zeiss Smt Gmbh
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.
Image pickup apparatus, controlling image pickup apparatus, and non-transitory computer-readable storage medium
An image pickup apparatus includes an imaging optical system, an image pickup element including a plurality of pixels, a lens array configured such that rays from the same position on an object plane are incident on pixels of the image pickup element different from each other depending on a pupil region of the imaging optical system through which the ray passes, an image processing unit configured to perform image processing for the input image acquired by the image pickup element to generate the output images, and a control unit configured to drive the imaging optical system to perform focus control, the image processing unit is configured to acquire information on a refocus control range, and the control unit is configured to perform the focus control based on the information on the refocus control range.. .
Canon Kabushiki Kaisha
Method of glassless 3d display
Present invention relates to apparatus and methods for glassless 3d display with “unlimited” number of tv viewers and with flexibility for eye positions, the fundament elements of this invention are the introduction of “eye space” and the circuit unit for shutter pupil control on shutter screen. The methods are applied to any 3d display, such as tv's, monitors, smart devices (iphone, ipad, .
Collecting external accessory data at a mobile data collection platform that obtains raw observables from an internal chipset
External accessory data is collected at a mobile data collection platform (mdcp) provided by an external accessory of the mdcp. An image that includes a point of interest is captured using an image capturing device integral to the mdcp.
Trimble Navigation Limited
Microlithography projection optical system, tool and production
A microlithography projection optical system is disclosed. The system can include a plurality of optical elements arranged to image radiation having a wavelength λ from an object field in an object plane to an image field in an image plane.
Carl Zeiss Smt Gmbh
Eye mounted displays and systems using eye mounted displays
A display device is mounted on and/or inside the eye. The eye mounted display contains multiple sub-displays, each of which projects light to different retinal positions within a portion of the retina corresponding to the sub-display.
Performing data collection based on external raw observables using a mobile data collection platform
An image that includes a point of interest is captured using an image capturing device that is an integral part of the mobile data collection platform. Raw observables are obtained from a gnss raw observables provider that is external to and coupled with the mobile data collection platform.
Trimble Navigation Limited
Performing data collection based on internal raw observables using a mobile data collection platform
An image that includes a point of interest is captured using an image capturing device that is part of the mobile data collection platform. Raw observables are obtained from a gnss chipset that is internal to the mobile data collection platform.
Trimble Navigation Limited
External electronic distance measurement accessory for a mobile data collection platform
A known fixed relationship is maintained between an external electronic distance measurement accessory and a mobile data collection platform that are physically coupled together. A light beam axis of the external electronic distance measurement accessory is parallel with an optical axis of an entrance pupil of the mobile data collection platform.
Trimble Navigation Limited
Illumination optical unit and optical system for euv projection lithography
An illumination optical unit for euv projection lithography serves for obliquely illuminating an illumination field, in which an object field of a downstream imaging catoptric optical unit and a reflective object to be imaged can be arranged. A pupil generating device of the illumination optical unit is embodied so that an illumination pupil results, which brings about a dependency of an imaging telecentricity against a structure variable of the object to be imaged.
Carl Zeiss Smt Gmbh
Objective phoropter system
Systems for performing combined phoropter and refractive measurements to ascertain the aberrations present in the eye of a subject. The systems use a pair of phoropter wheel assemblies, one for each eye, each assembly comprising a number of lens wheels incorporating the series of lenses and wedges required to compensate for a range of refractive vision aberrations.
Image capturing apparatus and control method therefor
An image capturing apparatus includes an image sensor 104 in which at least part of pixels arranged in two dimensions are configured as focus detection pixels with divided-pupil, a memory control circuit 113 configured to read out from a memory position information for the focus detection pixels 401, 402 stored in the memory, and a correction circuit 110 configured to identify positions of the focus detection pixels 401, 402 in the image sensor 104 based on the position information for the focus detection pixels 401, 402 and to correct a defective focus detection pixel signal using defect-free focus detection pixel signals.. .
Canon Kabushiki Kaisha
Metrology systems and methods
Various metrology systems and methods are provided. One metrology system includes a light source configured to produce a diffraction-limited light beam, an apodizer configured to shape the light beam in the entrance pupil of illumination optics, and optical elements configured to direct the diffraction-limited light beam from the apodizer to an illumination spot on a grating target on a wafer and to collect scattered light from the grating target.
Head-mount eye tracking system
A head-mount eye tracking system including a first light source, a first pupil image capturing device, a first and a second environmental image capturing devices, a fixing device and an image identification system. The first light source is applied to illuminate a first eye of a user.
National Chiao Tung University
Ophthalmic formulations including selective alpha 1 antagonists
Ophthalmic formulations are provided. The ophthalmic formulations include one or more active agents that act to optimize pupil light reflex while minimizing, or effectively eliminating, any undesired eye redness in response to application thereof.
Ocularis Pharma, Llc
Coherent light source device and projector
There are provided a coherent light source apparatus and a projector that achieve avoiding of an issue that uniformity in projected light is degraded by a speckle that inevitably appears upon projection of coherent light of a semiconductor laser, any other laser, etc., and each including: a coherent light source; a first optical system configured to project light derived from a first light emission region to form a second light emission region, the first light emission region being formed on basis of the coherent light source; a light deflection section configured to deflect a bundle of rays in vicinity of the second light emission region, the bundle of rays being related to formation of the second light emission region; a second optical system provided downstream of the light deflection section; and a light mixing section provided downstream of the second optical system, and configured to mix components of angles and positions of rays incident on an incident end. The second optical system is configured to form, in distance, an image conjugate to the first light emission region, and form, at the incident end, a third light emission region substantially conjugate to an exit pupil of the first optical system.
Ushio Denki Kabushiki Kaisha
Device for displaying multi-view 3d image using dynamic viewing zone expansion applicable to multiple observers and same
The present invention relates to a device for displaying a multi-view 3d image by using viewing zone expansion that is applicable to multiple observers, and to a method for same, comprising: an image display panel for displaying a 3d image; a control portion for controlling an image view of each 3d pixel line; and a system for tracking the position of the pupils of both eyes of the observer, wherein each of the 3d pixel lines provide at a multi-view of at least four views, and the control portion selects first and second views that are close to the center of each of the pupils of both eyes of the observer for each viewing zone of the view formed by each of the 3d pixel lines and provides one image view from both eyes of the observer to the first view, by using three dimensional coordinates of the position of the pupils of both eyes of the observer that are determined by the system for tracking the position of the pupils of both eyes of the observer.. .
Korea Institute Of Science And Technology
Illumination configurations for scatterometry measurements
Scatterometry measurement systems, illumination configurations and respective methods are provided, which comprise illumination beams that have vertical projections on a target plane comprising both a parallel component and a perpendicular component, with respect to a target measurement direction. The illumination beams propagate at an angle to the plane defined by the measurement direction and a normal to the targets surface and generate diffraction images which are off-center at the imaging pupil plane.
Binocular having a folding bridge
A binocular has a folding bridge for adapting the distance between the eyepieces to the interpupillary distance of the eyes of the user. A synchronous focusing of the two telescopes is brought about via a differential gear assembly which drives respective spindle drives for corresponding ones of the two telescopes.
Carl Zeiss Sports Optics Gmbh
Measuring device for measuring an illumination property
A measuring device (40) for measuring an illumination property of an illumination system (12), which is configured for two-dimensional irradiation of a substrate (24) arranged in an illumination plane (21) with illumination radiation (20). Two differing measurement beam paths (52, 54) are formed in the measuring device, each arranged to guide the illumination radiation emitted by the illumination system onto a spatially resolving intensity detector (42) of the measuring device.
Carl Zeiss Smt 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.
Directional optical coherence tomography systems and methods
An optical coherence tomography system that includes an optical device having an adjustable optical element configured to displace a pupil entry point of light is provided. Optical coherence tomography methods using the optical coherence tomography system are also provided.
The Medical College Of Wisconsin, Inc.
Autostereoscopic 3d image display device for flattening viewing zone and minimizing dynamic crosstalk
The present invention relates to a 3d image display device and includes an image display panel for displaying a 3d image, a control unit for controlling a viewpoint image, and a viewer position tracking system for determining the position of a viewer's pupil and transmitting positional information to the control unit, wherein the image display panel provides multiple viewpoints such as four or more viewpoints, and the intersection of the viewing zone for any one of the multiple viewpoints with the field of view of an adjacent viewpoint is at least 85% of the maximum brightness of one viewpoint.. .
Korea Institute Of Science And Technology
Image processing device and method, and imaging device
An image processing method according to the present invention acquires a first image and second image that are picked up through a single image-taking optical system, that are images after a pupil division, and that have a parallax to each other, and then performs a filtering process for each pixel of the first and second images, using first and second transform filters that correspond to the parallax for the pixel and that are of first and second transform filter groups to be respectively applied to the first and second images for the transform into third and fourth images in which the parallax amount and blur amount of the first and second images have been altered.. .
Image processing device, imaging device, image processing method, and recording medium
An image processing method according to the present invention cuts out partial images corresponding to trimming regions, which is specified for multiple viewpoint images of a stereoscopic image obtained by pupil-division-scheme imaging, from the respective viewpoint images, generates a stereoscopic partial image including multiple partial images, generates parallax information that indicates the parallax between the partial images, adjusts the parallax between the partial images based on the parallax information, and then, for the partial images after the parallax adjustment, enhances the sharpness as the adjusted parallax amount decreases and reduces the sharpness as the adjusted parallax amount increases.. .
Active biometric authentication with zero privacy leakage
The invention provides a method for frequent verifications of the identity of a user performed during a long session of client-server communication by secure exchange of keys between the client and the server. A user is represented at the server by a set of random numbers that have nothing to do with his biometric data.
Corneal visual center localizer (or locator)
Daifs corneal visual center (cvc) localizer (locator) is a point light source of infra red (ir) light, attached and fixed to any eximer laser machine, located at equal distance and in exactly opposite direction from the middle of a detecting camera that detects ir light reflection from the corneal surface and the pupillary margin of the iris with a point fixation target or its virtual extension, perpendicular to the plan containing the localizer and the middle point the inlet of the detecting camera, exactly in the middle of the distance between the localizing point light source and the middle point the detecting camera. With the localizer in position and activated, the cvc will be seen on the screen of ir eye tracking as a white dot somewhere inside the white circle that represents the detected pupillary margin.
Detecting depth of anesthesia via pupil metrics
A video feed of one or more pupils of a patient can be received and processed to determine a raw measure of pupil size of the one or more pupils over time. Based on this raw measure, at least one of a) a depth of anesthesia for the patient, b) an index of cognitive activity for the patient, and c) a degree of perfusion of an anesthetic being administered to the patient to one or both hemispheres of a brain of the patient can be determined such that one or more actions can be caused to be performed.
Eye Tracking Inc.
Projection type display device for vehicles
A projection type display device configured to display an image on a window while also providing a view through the window. The projection type display device has a plurality of reflection portions arranged on a windshield for reflecting an image light that is projected from an image projection device and displaying a superposed display image onto the windshield.
4pi sted fluorescence light microscope with high three-dimensional spatial resolution
An apparatus forming an area of minimum light intensity enclosed by high light intensity includes two objectives focusing light of opposite directions into a common focal area. Light intensities of a first pair of light beams extinguish each other in a first partial area of the focal area.
Imaging device and imaging method
In an imaging method according to the present invention, in an imaging device including a taking lens having a plurality of regions each with an independent characteristic and an image pickup element having a plurality of light-receiving sensors provided so as to correspond to the plurality or regions, the plurality of light-receiving sensors performing pupil division of a light beam passing through any of the plurality of regions for selective light-receiving, from an imaging signal from a light-receiving sensor corresponding to one region of the plurality of regions, an image corresponding to the one region is generated. When the generated image is corrected, an influence of a light beam passing through a region other than the one region is removed from the image generated so as to correspond to the one region..
Image element, and imaging device and imaging method using the same
An imaging element which outputs a pair of image signals corresponding to a pair of luminous fluxes which pass through different pupil areas of a photographing optical system, the imaging element includes a first pixel cell group including a plurality of first pixel cells for obtaining the pair of image signals and a second pixel cell group including a plurality of second pixel cells for obtaining the pair of image signals. The first pixel cell includes a first photoelectric converting unit and a first micro lens which is provided above the first photoelectric converting unit.
Image acquisition apparatus
A stable combined image is generated from a plurality of image signals having parallax and obtained at different focal positions. An image acquisition apparatus includes an image-acquisition optical system that collects light from a subject; an image acquisition element that acquires an image of the light collected by the image-acquisition optical system; a micro-lens array having an array of multiple micro-lenses arranged such that each micro-lens covers multiple pixels of the image acquisition element; and a focal-length changing section that is disposed at a pupil position of the image-acquisition optical system and that spatially changes a focal length so as to focus light passing therethrough at a plurality of different focal positions..
Electronic device and eye region detection method in electronic device
A method and an electronic device are provided in association with iris recognition. The electronic device includes a camera module that obtains a near-infrared ray (nir) image, and a controller that converts the nir image into an integral image, detects at least one candidate eye region from the integral image using at least one mask, detects a pupil region and an eyebrow region from the at least one candidate eye region, and to detect an eye region based on the pupil region..
Lndustry-academic Cooperation Foundation Yonsei University
Image processing device, imaging device, and image processing method
The present invention includes an image acquisition device configured to acquiring multiple viewpoint images that are generated by pupil-division imaging and that are different in viewpoint, a parallax calculation device 40a for calculating a first parallax amount between viewpoint images for the multiple viewpoint images, a memory 48 in which parallax correction information indicating the relationship between the first parallax amount and the deviation amount in the parallax direction for the corresponding object images, which is a deviation amount between viewpoint images for the multiple viewpoint images and is caused by the pupil-division imaging, is stored, and a parallax correction device 40b for calculating a second parallax amount, which is an amount resulting from correcting the first parallax amount to the deviation amount in the parallax direction for the object images, based on the first parallax amount and the parallax correction information stored in the memory 48.. .
Devices and methods for a contact lens with an inward facing light source
An eye-mountable device can include a transparent material and a substrate at least partially embedded in the transparent material. The transparent material can have a concave surface and a convex surface, with the concave surface configured to removably mount the eye-mountable device on a corneal surface overlaying a pupil.