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This page is updated frequently with new Pupil-related patent applications. Subscribe to the Pupil RSS feed to automatically get the update: related Pupil RSS feeds. RSS updates for this page: Pupil RSS RSS


Catadioptric projection objective with pupil correction

Catadioptric projection objective with pupil correction

Display device and method

Display device and method

Display device and method

Method for gaze tracking

Date/App# patent app List of recent Pupil-related patents
10/09/14
20140304725
 System and method for distribution of picture objects patent thumbnailSystem and method for distribution of picture objects
A method for data communication is provided and may include, at a communications terminal, displaying picture objects and/or video objects received from a media center via a communications network. The communications terminal may transmit direction of view information (dov) of at least one eye of a user of the terminal with respect to the displayed objects from an eye tracker at the communications terminal.
10/09/14
20140300957
 Catadioptric projection objective with pupil correction patent thumbnailCatadioptric projection objective with pupil correction
A projection objective includes a plurality of optical elements configured so that, during use of the projection objective, radiation follows a path through the projection objective to image an object field in an object surface onto an image field in an image surface. The optical elements define a first group of refractive optical elements; a second group of optical elements downstream of the first group of refractive optical elements along the path, the second group of optical elements comprising a concave mirror; and a third group of refractive optical elements downstream of the second group of optical elements along the path.
10/09/14
20140300711
 Display device and method patent thumbnailDisplay device and method
A display device (40) comprising: a display panel (41) comprising a set of pixels (41r, 41l) the pixels being spatially distributed over the display panel, and each pixel being for providing a light output, the set of pixels comprising a plurality of different subsets (411) of pixels, each subset of pixels comprising one or more pixels of the set of pixels, an imaging unit (42) arranged for imaging the one or more pixels of a subset of pixels to form pixel images on a plurality of view areas on an imaginary plane located at a first distance in front of the display, the plurality of view areas not overlapping each other, with at least one pixel image of each one of the different subsets of pixels overlapping on a same one of the plurality of view areas, the imaginary plane comprising an imaginary circle having the diameter of the pupil of an eye, and the imaginary circle enclosing at least a part of at least two of the plurality of view areas, where the at least two of the plurality of view areas at least partly enclosed within the imaginary circle differ from each other with respect to at least one of the pixel images therein. The display system may be for one eye only or for two eyes of a viewer or for more eyes of more viewers..
10/09/14
20140300538
 Method for gaze tracking patent thumbnailMethod for gaze tracking
A method for gaze tracking achieves high performances at the same time requiring both limited processor engagement and reduced power, so as to be particularly but not exclusively fit for mobile uses is described. The method includes the steps of: obtaining a digital video stream of a face through a camera, wherein eyes or pupils are identified in corresponding boxes in the spatial domain, the size thereof being function of the face position and orientation relative to said camera, the content of the boxes being the input for the further calculations; transferring the content of the boxes to the frequency domain; applying to the boxes transferred to the frequency domain one or more sparse zones, covering together a fraction of the boxed area transferred to the frequency domain, and a filtering kernel, at least partially overlapping the sparse zones; performing a multiplication between the frequency data within each sparse zone and the kernel, combining the results in a single value for each sparse zone; and repeating the above steps obtaining for each frame said single value, fluctuation of the single value being representative of gaze direction changes along time..
10/09/14
20140299742
 Pattern irradiation apparatus patent thumbnailPattern irradiation apparatus
A pattern irradiation apparatus includes a light source unit, an objective that irradiates a sample plane with light emitted from the light source unit, a spatial light modulator of a phase modulation type that is arranged at a position conjugate with a pupil position of the objective and that modulates a phase of the light emitted from the light source unit, a light blocking member that is arranged in an optical path between the spatial light modulator and the objective and that is configured to block 0-order light generated by the spatial light modulator, and a control device that makes a correspondence between a focusing position of the 0-order light generated by the spatial light modulator and a position of the light blocking member.. .
10/02/14
20140293119
 Image capturing apparatus, method of controlling the same, and storage  medium patent thumbnailImage capturing apparatus, method of controlling the same, and storage medium
An image capturing apparatus comprises an image pickup device, a focus detection sensor including a first pixel group in which pixels configured to receive light beams passing through a partial area of a pupil of an imaging optical system are arranged and a second pixel group in which pixels configured to receive light beams passing through another partial area are arranged, and a correlation calculation unit configured to perform correlation calculation by using signals from pixels of the first pixel group and signals from pixels of the second pixel group, wherein the correlation calculation unit samples pixels, of the first pixel group, which have a positional shift amount of an integer multiple of a value obtained by dividing the predetermined interval, and performs correlation calculation by using signals from the sampled pixels of the second pixel group.. .
10/02/14
20140293115
 Focus detection apparatus, focus detection method and program, and imaging apparatus patent thumbnailFocus detection apparatus, focus detection method and program, and imaging apparatus
A focus detection apparatus is arranged to obtain image data of an object obtained by an imaging unit having a pupil division unit of a photographing optical system for forming an optical image of the object, obtain setting information of a focus detection mode of the photographing optical system, set a focus detection area set into a pixel array area of the imaging unit, by dividing a predetermined area into a plurality of division areas in accordance with the focus detection mode and arranging the plurality of division areas in accordance with a different positional relation, form focus detection information by using the image data of the set focus detection area, and generate a drive signal of the photographing optical system on the basis of the focus detection information.. .
10/02/14
20140293097
 Optical system with slaved pupil encoding patent thumbnailOptical system with slaved pupil encoding
In the field of optical systems comprising at least one optical objective, a photosensitive detector and an image processing unit, the optical objective comprising a pupil encoding filter, the image processing unit performing digital filtering of the images output by the photosensitive detector, a system has a processing unit comprising means arranged in such a way as to process at least one preset, the characteristics of the digital filtering applied to the image depending on this preset. The preset may come from external sensors of temperature and/or pressure or be one of the parameters of the optical objective such as the focal length value, the aperture of the iris, or the desired focal distance.
10/02/14
20140293021
 Apparatus and method for measuring depth of the three-dimensional image patent thumbnailApparatus and method for measuring depth of the three-dimensional image
An apparatus for measuring a depth of a 3d image includes a display panel unit which produces a 3d image by displaying a left-eye and a right-eye image, a depth measurement unit which measures projecting distances or recessed distances of the 3d image and a real object, a parallax measurement unit which measures a distance between pupils of an experimenter based on the projecting distances or recessed distances of the 3d image and the real objects, and a depth value calculation unit which calculates an average value of the projecting distances or recessed distances of the real object with respect to a plurality of experimenters measured when a change in distance between pupils is the same as a change in distance between pupils measured by adjusting the projecting distance or recessed distance of the 3d image, and determines the calculated average value as a depth value of the 3d image.. .
09/25/14
20140289834
 System and method for eye tracking during authentication patent thumbnailSystem and method for eye tracking during authentication
A system, apparatus, method, and machine readable medium are described for performing eye tracking during authentication. For example, one embodiment of a method comprises: receiving a request to authenticate a user; presenting one or more screen layouts to the user; capturing a sequence of images which include the user's eyes as the one or more screen layouts are displayed; and (a) performing eye movement detection across the sequence of images to identify a correlation between motion of the user's eyes as the one or more screen layouts are presented and an expected motion of the user's eyes as the one or more screen layouts are presented and/or (b) measuring the eye's pupil size to identify a correlation between the effective light intensity of the screen and its effect on the user's eye pupil size..
09/25/14
20140285789
Lithography method and structure for resolution enhancement with a two-state mask
A lithography process in a lithography system includes loading a mask that includes two mask states defining an integrated circuit (ic) pattern. The ic pattern includes a plurality of main polygons, wherein adjacent main polygons are assigned to different mask states; and a background includes a field in one of the mask states and a plurality of sub-resolution polygons in another of the two mask states.
09/25/14
20140285766
Portable device for indirect ophthalmology
A device for examining at least one selected portion of an eye of a subject and including a camera detachably mounted on a camera mounting unit. The camera includes an illuminating source, which generates illuminating radiation for irradiating the at least one portion of the eye thereby enabling the camera to generate a plurality of images of the at least one portion of the eye.
09/18/14
20140275948
Information terminal device
An information terminal device includes an imaging unit which captures a face image of a user, a main memory which extracts and stores an eyeball area and an under eye region from the face image, and a control unit which detects an amount of color change in a pupil and iris color at a current point in time relative to the pupil and iris color in the eyeball area at a past point in time after factoring in an amount of color change from face skin color in the entire face image that includes the eyeball area and the undereye region captured by the imaging unit at the current point in time compared to the entire face image that includes the eyeball area and the under eye region captured at a past point in time.. .
09/18/14
20140274391
Digital inter-pupillary distance adjustment
Stereoscopic viewing systems may be adjusted for a user's inter-pupillary distance (ipd). Software-generated calibration images may be presented on a display having two optics.
09/18/14
20140268749
Customized pupil stop shape for control of edge profile in laser annealing systems
Embodiments of the invention generally relate to laser annealing systems with optics for imaging a pattern on a substrate. The optics may comprise an aperture or plurality of apertures which shape an image to be exposed on a surface of a substrate.
09/18/14
20140268087
Lithography and mask for resolution enhancement
A lithography process in a lithography system includes loading a mask having multiple mask states and having a mask pattern consisting of a plurality of polygons and a field. Different mask states are assigned to adjacent polygons and the field.
09/18/14
20140268086
Extreme ultraviolet lithography process and mask
The present disclosure is directed towards lithography processes. In one embodiment, a patterned mask is provided.
09/18/14
20140268053
Eye imaging apparatus
An optical device combination with a portable electronic device utilizes a user's autonomic response to truth/false or beneficial/non-beneficial stimulus and provides immediate feedback to the user in the context of an applied kinesiology exam. Through measurements of the pupils dilation or constriction and processing of the measurements by the portable electronic device, the response is obtained and feedback is provided that reflects the pupillary response.
09/18/14
20140268047
Apparatus and method for 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.
09/18/14
20140268034
Presbyopia lens with pupil size correction based on level of refractive error
Ophthalmic lenses for the treatment of presbyopia may be improved to enhance the visual experience of the patient. By adjusting the optical design of presbyopic lenses to account for changes in pupil size due to the degree of myopia or hyperopia, an enhanced visual experience may be achieved independent of the level of ametropia..
09/18/14
20140267668
Portable fundus camera
A portable hand-held ocular fundus camera system for imaging the fundus of the eye is disclosed. The camera system is comprised of a camera housing, one or more groups of lens in an internal cavity of the housing, a front group of lenses at the front end of the internal cavity, a contact member to contact at least a portion of the cornea, a light source configured to direct light from locations inside the camera through an annulus near the periphery of the front lens group, so that the light enters the eye through an annulus at the periphery of the pupil of the eye during contact with the cornea.
09/18/14
20140266986
Head mounted display with non-pupil forming optical path
A head mounted display device includes a structural frame arranged generally along a x-axis and a y-axis for viewing along a z-axis, the x, y, and z axes being mutually perpendicular. A micro-display is coupled to the structural frame, and configured to project visual content in a substantially forward direction along the z-axis away from a user.
09/11/14
20140257734
Pupil plane calibration for scatterometry overlay measurement
Methods and calibrations modules are provided, for calibrating a pupil center in scatterometry overlay measurements. The calibration comprises calculating fluctuations from a first statistical figure of merit such as an average of an overlay signal per pixel at the pupil and significantly reducing, for example minimizing, the fluctuations with respect to a second statistical figure of merit thereof, such as a pupil weighted variance of the fluctuations..
09/11/14
20140253999
Compact internal field of view switch and pupil relay
An optical system incorporating a compact internal field of view switch configured to switch the field of view of the optical system between a narrow field of view and a wide field of view while maintaining a constant exit aperture size. In one example the optical system includes an active imaging sub-system optically coupled to the exit aperture, and the field of view switch is positioned between the exit aperture and the active imaging sub-system.
09/11/14
20140253892
Extreme ultraviolet lithography projection optics system and associated methods
The present disclosure provides an extreme ultraviolet lithography system. The extreme ultraviolet lithography system includes a projection optics system to image a pattern of a mask on a wafer.
09/11/14
20140253786
Image pickup apparatus, image pickup system, signal processing apparatus, and non-transitory computer-readable storage medium
An image pickup apparatus includes an image pickup element including a plurality of focus detection pixels configured to generate a pair of image signals based on light beams passing through pupil regions different from each other in an image pickup optical system, a detection unit configured to detect a base line length of the plurality of focus detection pixels and a pupil division direction based on position information of a focus detection region in the image pickup element and information relating to the image pickup optical system, and a calculation unit configured to calculate a phase difference in the pupil division direction by using the pair of image signals.. .
09/04/14
20140247476
Lithography wave-front control system and method
Some embodiments include system and methods to obtain information for adjusting variations in features formed on a substrate of a semiconductor device. Such methods can include determining a first pupil in an illumination system used to form a first feature, and determining a second pupil used to form a second feature.
09/04/14
20140247437
Illumination system of a microlithographic projection exposure apparatus
An illumination system of a microlithographic projection exposure apparatus includes an optical raster element configured to produce a plurality of secondary light sources located in a system pupil surface. The optical raster element has a plurality of light entrance facets, each being associated with one of the secondary light sources.
09/04/14
20140247433
Device for projecting an image into a display area, having a screen for displaying an intermediate image
Device (1) for projecting an image into a display area (2), with an imager (31) generating the picture, a first projection device (30) for generating a real intermediate image (r), a screen (5) onto which the first projection device (32) projects the intermediate image (r) and to a second projection device (9) projecting the intermediate image (r) into the display area (2). In order to project the image with the least possible loss of brightness, the invention provides that main beam directions (h, h′, h″) of the screen (5) point into an entrance pupil (20) of the second projection device (9)..
09/04/14
20140247430
Image display system
In an image display system, a light distribution forming lens is placed between a laser light source and a spatial light modulator or a mems mirror device for adjusting a distribution of light intensity of the laser light so that light intensity at an exit pupil of a projection lens is greater in a radially intermediate part thereof than in a central part thereof. The light distribution lens is provided with a conical incident surface and a convex exit surface so as to function also as a collimator lens.
09/04/14
20140247385
Image sensing apparatus, image sensing system and focus detection method
An image sensing apparatus including: an image sensor including a plurality of focus detection pixel pairs that perform photoelectric conversion on each pair of light beams that have passed through different regions of a photographing lens and output an image signal pair; a flash memory that stores shift information on relative shift between an optical axis of the photographing lens and a central axis of the focus detection pixel pairs; a correction unit that corrects a signal level of the image signal pair based on the shift information and exit pupil information of the photographing lens so as to compensate for an unbalanced amount of light that enters each of the focus detection pixel pairs; and a focus detection unit that detects a focus of the photographing lens using the image signal pair corrected by the correction unit.. .
08/28/14
20140243971
Electronic ophthalmic lens with eye gaze sensor
A gaze direction tracking system for an ophthalmic lens comprising an electronic system is described herein. The gaze direction tracking system is part of an electronic system incorporated into the ophthalmic lens.
08/28/14
20140241615
Design and optimization of plenoptic imaging systems
The spatial resolution of captured plenoptic images is enhanced. In one aspect, the plenoptic imaging process is modeled by a pupil image function (pif), and a pif inversion process is applied to the captured plenoptic image to produce a better resolution estimate of the object..
08/28/14
20140240665
Electronic ophthalmic lens with rear-facing pupil diameter sensor
A rear-facing pupil diameter sensing system for an ophthalmic lens comprising an electronic system is described herein. The rear-facing pupil diameter sensing system is part of an electronic system incorporated into the ophthalmic lens.
08/28/14
20140240664
Method for measuring morpho-geometric parameters of a spectacle wearing individual
The invention relates to a method for measuring at least one geo-morphometric parameter of an individual wearing glasses (10), said method involving a stand-alone computing device (1) comprising: a screen (8); a target (12); a compact image acquisition system (7) comprising a means for determining its inclination and connected to said screen (8); and a processing unit allowing the image acquisition system (7) to be controlled and the images obtained to be processed. The main feature of a method according to the invention is that it comprises the following steps: adjusting the inclination of the image acquisition system (7) so that it lies in an acceptable angular range; adjusting the height of the image acquisition system (7) so that the individual can see the target (12) along a substantially horizontal line of sight; observation of the target (12), by the individual, in a comfortable position subject to no positional constraints; acquiring at least one image of the eyes of the individual and of the frame (10), in said observation position; processing said at least one image using the processing unit in order to determine each geo-morphometric parameter of the individual from the position of their pupils and the inclination of their glasses (10); and returning the result of the measurements..
08/28/14
20140240656
Electronic ophthalmic lens with pupil convergence sensor
A pupil position and convergence detection system for an ophthalmic lens comprising an electronic system is described herein. The pupil position and convergence detection system is part of an electronic system incorporated into the ophthalmic lens.
08/28/14
20140239206
Stereoscopic optical system
A stereoscopic optical system includes: two objective optical systems arrayed parallel to each other with a space therebetween; two parallelogram prisms that bring optical images close to each other by respectively deflecting lights collected by the objective optical systems twice; an image pickup element arranged at image formation positions of the light fluxes collected by the objective optical systems to take the two optical images brought close to each other by the prisms; and a diaphragm member that blocks a portion of the light flux on at least one of an inner side and an outer side in a direction of the space at any position apart from a pupil position of each of the objective optical systems in a direction of an optical axis, wherein the diaphragm member is arranged on the inner side in the direction of the space, and satisfies a conditional expression l0−ihy−w>z0×sin θ.. .
08/21/14
20140236260
Visual prosthesis apparatus
Visual prosthesis apparatus includes an image receiver, a processor coupled to the image receiver, a stimulation device coupled to the processor, and an eye monitoring device coupled to the processor. The image receiver receives a sequence of images and the processor produces a stimulation signal at least partially in accordance with the received images.
08/21/14
20140235597
Ophthalmologic irrigation solutions and method
Solutions for perioperative intraocular application by continuous irrigation during ophthalmologic procedures are provided. These solutions include multiple agents that act to inhibit inflammation, inhibit pain, effect mydriasis (dilation of the pupil), and/or decrease intraocular pressure, wherein the multiple agents are selected to target multiple molecular targets to achieve multiple differing physiologic functions, and are included in dilute concentrations in a balanced salt solution carrier..
08/21/14
20140233806
Determining a viewing distance for a computing device
A method, computer readable storage device, and apparatus for determining the distance a computing device is located from a user's face. An image of an individual is obtained.
08/21/14
20140233025
Method and apparatus for angular-resolved spectroscopic lithography characterization
An apparatus and method to determine a property of a substrate by measuring, in the pupil plane of a high numerical aperture lens, an angle-resolved spectrum as a result of radiation being reflected off the substrate. The property may be angle and wavelength dependent and may include the intensity of tm- and te-polarized radiation and their relative phase difference..
08/21/14
20140233008
Illumination optical system, exposure apparatus, device production method, and light polarization unit
An illumination optical system which illuminates an illumination objective surface with a light from a light source. The illumination optical system includes a spatial light modulator which includes a plurality of optical elements arranged within a predetermined plane and controlled individually, and which forms a light intensity distribution in an illumination pupil of the illumination optical system; and a polarization unit which is arranged in a position optically conjugate with the predetermined plane, and which polarizes an incident light beam having a first and second partial light beams, coming into the polarization unit such that the first and second partial light beams have polarization states different from each other, and emits the polarized incident light beam as an outgoing light beam, wherein the polarization unit changes, in a cross section of the outgoing light beam, a ratio between a cross sectional areas of the first and second partial light beams..
08/21/14
20140233006
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.
08/21/14
20140232982
Dynamic multifocal contact lens dual layer with core
An dynamic multiple focus contact lens has two transparent layers, each with a first annular electromagnet and a second annular electromagnet, a transparent pupil allowing passage of light through the layers, a core between the two layers, at least one loop antenna in communication with the electromagnets, and a transmitter for activating the electromagnets. The layers have a first shape similar to a circular segment that follows the surface of the cornea.
08/14/14
20140226141
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.
08/14/14
20140226128
Methods and apparatus for retinal imaging
In exemplary implementations, this invention comprises apparatus for retinal self-imaging. Visual stimuli help the user self-align his eye with a camera.
08/14/14
20140225915
Wearable display system with detached projector
A display system. A display device has viewports emitting expanded views of an image, an image receiving area receives the image, and optical conduits with exit pupil expanders expand the image through the viewports.
08/07/14
20140221759
Pupil expansion apparatus
A pupil expansion apparatus is placed in the eye during an ophthalmic surgical procedure. In one embodiment, the pupil expansion apparatus is a square frame structure that comprises four straight beams which cross each other at their ends to form a cross beam arrangement.
08/07/14
20140221326
Ophthalmologic irrigation solutions and method
Solutions for perioperative intraocular application by continuous irrigation during ophthalmologic procedures are provided. These solutions include multiple agents that act to inhibit inflammation, inhibit pain, effect mydriasis (dilation of the pupil), and/or decrease intraocular pressure, wherein the multiple agents are selected to target multiple molecular targets to achieve multiple differing physiologic functions, and are included in dilute concentrations in a balanced salt solution carrier..
08/07/14
20140218688
Apparatus and method for imaging an eye
A slit lamp mounted eye imaging a slit lamp integrated, a handheld, oct integrated, or attached to a separate chinrest-joystick assembly apparatus for producing a wide field and/or magnified views of the posterior or the anterior segments of an eye through an undilated or dilated pupil. The apparatus images sections and focal planes and utilizes an illumination system that uses one or more leds, shifting optical elements, flipping masks, and/or aperture stops where the light can be delivered into the optical system on optical axis or off axis from center of optical system and return imaging path from the eye, creating artifacts in different locations on the eye image.
08/07/14
20140218687
Apparatus and method for imaging an eye
A slit lamp mounted eye imaging, a slit lamp integrated, a handheld, oct integrated, or attached to a separate chinrest-joystick assembly apparatus and method for producing a wide field and/or magnified views of the posterior or the anterior segments of an eye through an undilated or dilated pupil is disclosed. The apparatus images sections and focal planes and utilizes an illumination system that uses one or more leds, shifting optical elements, flipping masks, and/or aperture stops where the light can be delivered into the optical system on optical axis or off axis from center of optical system and return imaging path from the eye, creating artifacts in different locations on the eye image.
08/07/14
20140218680
Methods and systems for measuring interpupillary distance
The proposed innovation provides methods and systems for measuring the interpupillary distance. The proposed innovation provides a fitting pad (102) having two detection points (104 and 106).
07/31/14
20140214162
Animatronic eye with an electromagnetic drive and fluid suspension and with video capability
An animatronic eye with fluid suspension, electromagnetic drive, and video capability. The eye assembly includes a spherical, hollow outer shell that contains a suspension liquid.
07/31/14
20140211322
Projection optical system for coupling image light to a near-eye display
Technology is described for a projection optical system which optically couples image light from an image source to a near-eye display (ned) of a wearable near-eye display device. The projection optical system and the image source make up a projection light engine.
07/31/14
20140211188
Microlithographic projection exposure apparatus
A projection exposure apparatus for microlithography comprises illumination optics for illuminating object field points of an object field in an object plane is disclosed. The illumination optics have, for each object field point of the object field, an exit pupil associated with the object point, where sin(γ) is a greatest marginal angle value of the exit pupil.
07/31/14
20140211186
Fast illumination simulator based on a calibrated flexible point- spread function
(c) predicting the distribution of light in the illumination pupil using the point spread function.. .
07/31/14
20140211185
Inspection apparatus, lithographic apparatus, lithographic processing cell and inspection method
For angular resolved spectrometry a radiation beam is used having an illumination profile having four quadrants is used. The first and third quadrants are illuminated whereas the second and fourth quadrants aren't illuminated.
07/31/14
20140211174
Illumination optical assembly, exposure device, and device manufacturing method
There is provided an illumination optical system for illuminating an illumination objective surface. The illumination optical system includes a first spatial light modulator which has a plurality of optical elements arranged on a first plane, a polarizing member which is arranged in an optical path on an illumination objective surface side with respect to the first plane and which gives a polarization state change to a first light beam passes through a first area in a plane intersecting an optical axis of the illumination optical system, the polarization state change being different from a polarization state change given to a second light beam passes through a second area in the intersecting plane, and a second spatial light modulator which has a plurality of optical elements controlled individually and arranged on a second plane, and which variably forms a light intensity distribution on an illumination pupil of the illumination optical system..
07/31/14
20140211051
Solid state image capturing element, image capturing apparatus, and focusing control method
An image capturing element 5 has a phase difference detecting region 50a in a light receiving region 50 in which pixel cells are arranged, in the region 50a, some of pixel cells mounted with g filters, among the pixel cells which are arranged in a bayer pattern, serve as phase difference detecting pixel cells 51r and 51l, the pixel cell 51l and the pixel cell 51r receive light which passes through different pupil areas of the image capturing lens 1, the pixel cell 51l includes two types of pixel cells (3) and (4) having different arrangement patterns of the adjacent pixel cells 51 and the pixel cell 51r includes two types of pixel cells (1) and (2) having different arrangement patterns of the adjacent pixel cells 51.. .
07/31/14
20140210964
Object distance determination from image
A system for determining a distance to an object comprises an image capture device (101) which has a coded aperture and an image sensor which is positioned out of a focus plane of the coded aperture. A receiver (103) receives an image of a scene from the image sensor and a detector (105) detects at least two image objects of the image corresponding to ghost images of the object resulting from different openings of the coded aperture in response to an optical characteristic of the object.
07/31/14
20140210954
Imaging device and imaging apparatus
Provided is an imaging device which can accurately obtain two captured image signals having a phase difference therebetween. An imaging device includes a plurality of pixels including two types of pixels, such as a first pixel that receives one of a pair of light beams which pass through different pupil regions of an imaging optical system and a second pixel that receives the other of the pair of light beams.
07/31/14
20140210952
Image sensor and imaging apparatus
An image sensor includes: a plurality of pixels arranged and formed in a two-dimensional array so that adjacent ones of the pixels constitute paired pixels and entrance pupils of a first pixel and a second pixel constituting the paired pixels are provided eccentrically in opposite directions to each other with respect to centers of the respective pixels; an incident angle of light from a subject in the first pixel is an incident angle θca as defined herein; the incident angle in the second pixel is an incident angle −θcb as defined herein; and light sensitivity characteristics of the first pixel and the second pixel with respect to the incident angles of the first pixel and the second pixel are flat characteristics within an incident angle range of the θca to the −θcb.. .
07/24/14
20140208226
Cognitive load assessment for digital documents
An embodiment of the invention includes a system that tracks a user's pupillary response to content located on a web page. The system then determines a cognitive load for the user that is based on the measured response.
07/24/14
20140206979
Plenoptic otoscope
A plenoptic otoscope enables three-dimensional and/or spectral imaging of the inside of the ear to assist in improved diagnosis of inflammations and infections. The plenoptic otoscope includes a primary imaging system and a plenoptic sensor.
07/24/14
20140205156
Iris data extraction
A process for extracting iris data for biometric identification includes a thresholding method where the thresholds are selected according to a nonparametric approach that considers the grey scale and does not require classifying pixels as edge or non-edge pixels. An eye image is first acquired, where the eye image has component images including an iris image with an inner boundary and an outer boundary.
07/24/14
20140204473
Optical system with catadioptric optical subsystem
An optical system to form an image on an image plane includes, a catadioptric optical subsystem configured to collect light from an object plane; and a refractive optical subsystem configured to form the image on the image plane, the catadioptric and refractive optical subsystems being arranged in order from the object plane to the image plane along an optical axis of the optical system. A baffle to shut off light traveling toward the image plane without being reflected by the catadioptric optical subsystem is placed in the optical system, in order to form a shielded portion in a center of an exit pupil plane of the optical system, and the catadioptric optical subsystem includes a partially transparent surface around the optical axis of the optical system so that transmissivity of a region, other than the shielded portion, at the exit pupil plane varies in a radial direction of the exit pupil plane..
07/24/14
20140204340
Apparatus for imaging an eye
A slit lamp mounted eye imaging a slit lamp integrated, a handheld, oct integrated, or attached to a separate chinrest-joystick assembly apparatus for producing a wide field and/or magnified views of the posterior or the anterior segments of an eye through an undilated or dilated pupil. The apparatus images sections and focal planes and utilizes an illumination system that uses one or more leds, shifting optical elements, flipping masks, and/or aperture stops where the light can be delivered into the optical system on optical axis or off axis from center of optical system and return imaging path from the eye, creating artifacts in different locations on the eye image.
07/24/14
20140204241
Imaging apparatus
An imaging apparatus performs a focus detecting operation with an image sensor including a photoelectric conversion portion that has a pupil-dividing function. The imaging apparatus increases a line addition number according to a target exposure value corresponding to a pixel dynamic range that is variable depending on an exposure setting value.
07/24/14
20140204003
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.


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Pupil topics: Aberration, Imaging System, Nose Surgery, Eyeglasses, Refractive Error, Dysphotopsia, Multifocal, Traumatic Brain Injury, Physiologic, Postoperative, Ocular Lens, Intraocular, Intraocular Lens, Anterior Chamber, Image Capture

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