Abstract: Multispectral images, including ultraviolet light and its interactions with ultraviolet light-interactive compounds, can be captured, processed, and represented to a user. Ultraviolet-light related information can be conveniently provided to a user to allow the user to have awareness of UV characteristics and the user's risk to UV exposure.

Abstract: A system for tracking a gaze of a driver of a vehicle includes a tracking device, a processor, a memory, and a display. The tracking device is configured to track a gaze of a driver of a vehicle. The processor is in electronic communication with the tracking device. The memory is in electronic communication with the processor. The memory includes programming code configured to be executed by the processor. The programming code is configured to determine in real-time a duration of the gaze of the driver of the vehicle tracked by the tracking device. The display is in electronic communication with the processor. The display is configured to display a symbol showing the determined duration, or a portion of the determined duration, of the gaze of the driver of the vehicle as determined by the processor.

Abstract: A system enables two different users to independently view and listen to two completely different programs being displayed concurrently on the same display (e.g., in a split screen mode), or on multiple displays that are visible by different users, by sending the audio signal of one of the programs being displayed to the headphone device of the user currently looking at that program being displayed on the display. In one embodiment, the headphone device includes a camera mounted on the headphone device that is positioned to detect and/or track eye movements/positions or other movements of the user wearing the headphone device to determine which program that user is currently looking at.

Abstract: Embodiments of the present invention disclose a method and an apparatus for obtaining a video quality parameter and an electronic device. The method includes dividing a target video segment into at least one video subsegment, where duration of every video subsegment is at least time perceivable by human eyes; obtaining a video quality parameter of the video subsegment; and processing the video quality parameter of the video subsegment, and obtaining a video quality parameter of the target video segment.

Abstract: An image processing apparatus determines an exceptional frame of a plurality of frames forming a moving image captured by an ophthalmic apparatus including an aberration correction device, and applies image processing of a blood vessel area for a frame, among the plurality of frames, which has not been determined as the exceptional frame.

Abstract: A monitoring system and method for monitoring and/or predicting drowsiness of a driver of a vehicle or a machinery operator are provided. A set of infrared, IR, or near infrared, NIR, light sources, is arranged such that an amount of the light emitted from the light source incidents on an eye of the driver or operator. The light that impinges on the eye of the driver or operator forms a virtual image of the signal sources on the eye including the sclera and/or cornea. An image sensor obtains consecutive images capturing the reflected light, wherein each image will contain glints from at least a subset or all of the light sources. A drowsiness index can be determined based on the extracted information of the glints of the sequence of images, wherein the drowsiness index indicates a degree of drowsiness of the driver or operator.

Abstract: A system and method for automated detection of age related macular degeneration and other retinal abnormalities which may have a retinal scanner capable of obtaining retinal data from a subject. The retinal scanner may be coupled to a central processing unit (CPU) which may have memory storing CPU-executable instructions which may detect retinal abnormalities. When the CPU receives retinal data from the retinal scanner, the system may perform CPU-executable instructions for detecting retinal abnormalities. The system may analyze the retinal data to determine one or more healthy areas and, based on the analyzed healthy area, the system may detect abnormalities in the retinal data.

Abstract: An image processing method and apparatus for subpixel rendering is provided. A display, with an image processing apparatus, may adjust a pixel value of a subpixel based on the position of the subpixel relative to a position of an eye of a viewer. The image processing apparatus may display a three-dimensional (3D) image on a light field display, based on the adjusted pixel value of the subpixel.

Abstract: A scene illumination system is provided that produces spatially uniform or controlled brightness levels for machine vision applications. The system includes a camera, multiple light sources that preferentially illuminate different regions within the camera's field-of-view, and a processing unit coupled to the camera and light sources. Focal regions of the light sources within the camera's field-of-view are sampled to determine average regional brightness and compared to target brightness levels. The processing unit controls the light sources to increase or decrease illumination levels to converge toward the target brightness levels within the field-of-view. This modulation of the light sources may be repeated with successive video images until target brightness levels are achieved.

Abstract: Disclosed herein are an electronic apparatus and method. The electronic includes a photography lens, an eyeball recognition sensor, and a controller. The photography lens acquires an image signal from a subject. The eyeball recognition sensor senses movement of a user's eyeball. The controller recognizes opening and closing of the user's eyelid based on eyeball monitoring information transmitted from the eyeball recognition sensor, and performs a device driving control operation for a reference time period for which the user's eyelid is in a closed state.

Abstract: An image forming apparatus determines an exceptional frame of a plurality of frames of a moving image of an eye based on the image features of each frame, and changes a moving image forming method based on the determined exceptional frame. For example, the image forming apparatus generates a new moving image by extracting a frame sequence including frames extracted from the moving image not to include a frame which has been determined as an exceptional frame.

Abstract: In a system for supervising the safety on a site with at least one movable object, a drowsiness detection system is arranged at the movable object for supplying data related to a drowsiness state of an operator of the movable object. A monitoring system remote from the movable object receives the drowsiness state related data and logs and/or evaluates this drowsiness state related data.

Abstract: The invention provides an apparatus and method for positioning an iris for iris image capture. An iris image sensor is configured to have an image capture region defining an intended position of the subject's iris for image capture. A feedback object and an optical system are provided. In one aspect, the optical system may comprise a lens element disposed such that, responsive to positioning of the subject's iris within the image capture region, the optical system forms a subject viewable in-focus upright image of the feedback object. In another aspect, the optical system may comprise an occluder, configured such that responsive to positioning of the subject's iris partially or wholly outside the image capture region, the optical system occludes at least a portion of the feedback object from the subject's view.

Abstract: The invention provides an apparatus and method for positioning an iris for iris image capture. An iris image sensor is configured to have an image capture region defining an intended position of the subject's iris for image capture. An optical system comprising a reflective element is disposed such that, responsive to positioning of the subject's iris within the image capture region, the optical system forms a subject viewable in-focus upright image of the subject's iris. The optical system may be configured such that length of an optical path between the intended position of the subject's iris during image capture and the reflective element is less than half of a near point distance. The optical system may be further configured such that a distance between the image capture region and the in-focus upright image formed by the optical system is greater than or equal to the near point distance.

Abstract: The invention comprises a method and apparatus for compensating for sub-optimal orientation of an iris imaging apparatus during image capture. The iris imaging apparatus of the invention comprises an iris camera and a deviation sensor. The deviation sensor may be configured to detect deviations between a current orientation of the iris camera and a predetermined optimal orientation for the iris camera. Responsive to a detected deviation a correction is effected to compensate for the detected deviation.

Abstract: In a method for regulating images displayed on a display screen of an electronic device, the electronic device includes an image capturing unit and driving unit. An adjustment mode of the display screen is preset through a user setting interface displayed on the display screen, and the image capturing unit captures an image of a scene in front of the display screen when the user presses a regulation button of a remote controller. The method analyzes a viewing angle and a viewing direction of the user when the user views the display screen, and determines a regulating angle and a regulating direction related to the display screen according to the viewing angle and the viewing direction. The display screen or the image displayed on the display screen is rotated through the regulating angle and the regulating direction according to the adjustment mode.

Abstract: An embodiment of an eye-view image recording apparatus includes an eyeglass frame, at least one first optical unit disposed on the eyeglass frame for capturing an image corresponding to a field of view of a user, and at least one second optical unit disposed on the eyeglass frame for tracking movement of at least one eye of the user to determine a direction within the field of view to which the at least one eye is directed. The eye-view image recording apparatus further includes at least one processor for receiving the determination of the direction within the field of view to which the at least one eye is directed, and generating a subset of the captured image based on the determination.

Abstract: Methods, devices, and systems for cross-sensor iris matching are described herein. One method includes capturing a first image of an iris using a first sensor, capturing a second image of an iris using a second sensor, and determining whether the iris in the first image matches the iris in the second image based on characteristics of the first sensor and the second sensor and image quality of the first image and the second image.

Abstract: An electronic device and an unlocking method in the electronic device are provided. The electronic device includes a display unit configured to display at least one function icon on a lock screen, at least one camera, and a controller configured to recognize a face based on data received from the at least one camera in response to a request for unlocking, to select a function icon to be executed from among the at least one function icon, to perform unlocking based on the facial recognition, and to execute, simultaneously with the unlocking, a function corresponding to the selected function icon.

Abstract: A drowsiness estimation device comprises an imaging unit 1, a regional temperature calculation unit 6, and a weighted subtraction unit 7. The imaging unit 1 obtains visible spectrum image data in a visible spectrum capture mode and obtains infra-red image data indicating a surface body temperature distribution for a subject's body in an infra-red capture mode. The regional temperature calculation unit 6 detects a temperature of an ocular centre region within the surface body temperature distribution indicated by the infra-red image data. The weighted subtraction unit 7 applies a correction to a temperature parameter for drowsiness estimation, based on the detected ocular centre region temperature. A drowsiness estimation for the user is then performed according to the corrected parameter.

Abstract: An apparatus and method for tracking a gaze based on a camera array are provided. The apparatus may include a camera array including a plurality of cameras, and a plurality of light sources for the plurality of cameras, a light source controller to control the plurality of light sources so that the plurality of cameras capture a bright pupil image and a dark pupil image of a user, a detector to detect a position of a pupil center of the user, and a position of a glint caused by reflection of the plurality of light sources from the captured bright pupil image and the captured dark pupil image, and an estimator to estimate an interest position of eyes of the user by tracking a gaze direction of the eyes, based on the detected position of the pupil center and the detected position of the glint.

Abstract: Disclosed is a biological body state assessment device capable of accurately assessing an absentminded state of a driver. The biological body state assessment device first acquires face image data of a face image capturing camera, detects an eye open time and a face direction left/right angle of a driver from face image data, calculates variation in the eye open time of the driver and variation in the face direction left/right angle of the driver, and performs threshold processing on the variation in the eye open time and the variation in the face direction left/right angle to detect the absentminded state of the driver. The biological body state assessment device assesses the possibility of the occurrence of drowsiness of the driver in the future using a line fitting method on the basis of an absentminded detection flag and the variation in the eye open time, and when it is assessed that there is the possibility of the occurrence of drowsiness, estimates an expected drowsiness occurrence time of the driver.

Abstract: The invention includes a method and apparatus for acquiring an image of a subject's iris, within the near infrared region of the electromagnetic spectrum. Near infrared radiation is generated from an incandescent light source, having wavelengths spread across 700 nm to 900 nm. The iris is illuminated for imaging by directing the generated near infrared radiation along an optical path between the incandescent light source and an intersection of a field of view region and depth of field region of an iris camera. Near infrared radiation scattered by the iris and transmitted along the iris camera's optical axis is received at the iris camera. An image of the iris is then acquired at the iris camera, based on radiation scattered by the iris and received at the iris camera.

Abstract: A method to determine an ophthalmic tissue structure comprises measuring image data for a range of depths corresponding to a target point in an eye with an axial scanner with a probe; determining an image information by an imaging processor from the image data; identifying a tissue pathology corresponding to the target point by the processor from the image information; and signaling a user by a user indicator based on the identified tissue pathology. A corresponding apparatus comprises an axial scanner with a probe to measure image data for a range of depths corresponding to a target point in an eye; a processor to determine an image information from the image data, and to identify a tissue pathology corresponding to the target point from the image information; and a user indicator to signal a user based on the identified tissue pathology.

Abstract: Optical coherence tomography (OCT) imaging systems for imaging an eye are provided including a source having an associated source arm path and a reference arm having an associated reference arm path coupled to the source path, the reference arm path having an associated reference arm path length. A sample having an associated sample arm path coupled to the source arm and reference arm paths is provided. A reference arm path length adjustment module is coupled to the reference arm. The reference arm path length adjustment module is configured to automatically adjust the reference arm path length such that the reference arm path length is based on an eye length of the subject. Related methods and computer program products are also provided.

Abstract: Embodiments provide methods and systems for adjusting audio output based on eye tracking input. In some embodiments, a memory stores data defining a boundary based on a coordinate system. The boundary corresponds to a display element of displayed content. An input receives data indicating coordinates of a gaze point location of a user viewing the displayed content. A processor compares the received coordinates of the gaze point location to the boundary corresponding to the display element to determine whether the gaze point location is inside the boundary corresponding to the display element. In response to determining that the gaze point location is inside the boundary corresponding to the display element, the processor adjusts an audio setting of the displayed content.

Abstract: A method of capturing image data for iris code based identification of vertebrates, including humans, comprises the steps of: recording a digital image of an eye with a camera equipped with at least two light sources that have a fixed spatial relationship to an object lens of the camera; locating the eye in the digital image by detecting a specularity pattern that is created by reflection of light from said at least two light sources at a cornea of the eye; and calculating information on the position of the camera relative to the eye on the basis of said fixed spatial relationship between the light sources and the object lens and on the basis of said specularity pattern.

Abstract: A corneal imaging device provided with an optical system for photographing a corneal portion of an eye, the optical system including an illumination optical system configured to irradiate illumination light toward a cornea and a light receiving optical system placed in a position inclined with respect to an optical axis of the illumination optical system configured to receive reflection light from the cornea by a photodetector, wherein the corneal imaging device includes light-limiting means provided in an optical path of the optical system for photographing the corneal portion of the eye and configured to limit light asymmetrically with respect to an optical axis.

Abstract: The imaging device includes a template selector, a synthesis area selector for selecting a synthesis area for panoramic image in the selected template, a moving image acquiring unit, a detector for detecting/outputting the movement of the imaging device as movement information, a panoramic image producer for producing the panoramic image being a still image corresponding to the synthesis area from the moving images and the detected movement, a synthesized image producer for sequentially synthesizing the panoramic image into the synthesis area during moving image acquisition to produce/renew a synthesized image, a display for sequentially displaying the produced/renewed synthesized image on a display screen, and a storage for storing the template and the moving images, the panoramic image, and/or the synthesized image.

Abstract: A method and apparatus for determining an inattentive state of an operator of a vehicle and for providing information to the operator of the vehicle by obtaining face images of the operator of the vehicle, obtaining images of an environment of the vehicle, determining one or more areas of interest in the environment of the vehicle based on the images of the environment, obtaining, from a relevance and priority database, relevance and priority values corresponding to the one or more areas of interest, determining a probability of attention of the operator of the vehicle to the one or more areas of interest based on the images of the environment and the relevance and priority values, determining an attention deficiency based on the determined probability of attention and the face images, and providing the information to the operator of the vehicle based on the determined attention deficiency.

Abstract: 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. Light from the light source that is reflected off of the fundus that passes through the center portion of the pupil of the eye is imaged onto an imager configured to acquire a sequence of images while an actuator coupled to the imager continuously varies the location of the imager along the optical axis of the camera.

Abstract: Methods and systems relating to providing a mechanism that allows for providing a camera image picture, either still or video, to have the same line of sight as the eye without adding compensation circuitry, or substantial weight, size or power to a heads up display (HUD) for augmented reality applications. The camera may view the same image picture perspective as the eye sees by generating a second image picture view that may have the same line of sight as the eye using a beam splitter to split the incoming view before the image picture is viewed by the eye and the camera. In certain embodiments, after the image picture is split by the beam splitter, the image picture travels towards the eye and towards a camera that is operatively connected to a waveguide so that the image picture may propagate to the camera.

Abstract: A method of detecting and applying a vertical gaze direction of a face within a digital image includes analyzing one or both eyes of a face within an acquired image, including determining a degree of coverage of an eye ball by an eye lid within the digital image. Based on the determined degree of coverage of the eye ball by the eye lid, an approximate direction of vertical eye gaze is determined. A further action is selected based on the determined approximate direction of vertical eye gaze.

Abstract: A portable hand-held camera for imaging the fundus of an eye, the camera comprising a housing comprising an internal cavity terminating at a forward housing end, a forward lens, and a light source configured to direct light from locations distributed around the perimeter of the forward lens forwardly out of the housing end. In other embodiment, a portable hand-held camera for imaging the fundus of an eye includes optics configured to focus light reflected back from the fundus onto an image receptor, with the optics being capable of varying the field of view among differing portions of the fundus. Methods to ensure unique image identification and storage are described.

Abstract: The present invention discloses a smart photographing apparatus, comprising a casing, a first photographing module, a second photographing module, and a control module. The first photographing module comprises a sensing lens installed on one side of the casing to capture eye motion images when a photographer is blinking. The second photographing module comprises a photographing lens installed on the other side of the casing to execute an image capturing function of shooting an image of a target. The control module is connected to the first photographing module and the second photographing module, and the control module generates an image capturing instruction upon receiving the eye motion images and controls the second photographing module to execute the image capturing function according to the image capturing instruction.

Abstract: A mobile, wireless biometric identification system includes a biometric capture device, associated software and processes which enable a commercially available wireless communication device, such as a smartphone, using a commercially established wireless communication networks, to capture a digital image of a human biometric (iris, fingerprint, etc.) for transmission via a secure connection to a central server. The capture device is designed to focus on the difficult task of capturing the highest possible quality image for encoding and comparison, while the overall system is designed to leverage the existing cellular communication network. At the server level, the server system receives the image, encodes the image to a biometric template, and compares the encoded template to a plurality of reference templates stored in a database to identify the individual. Identification data is then transmitted back to the smartphone device and displayed.

Abstract: A device to detect an object within proximity of the device, identify a brightness level of the object and modify a gain value of an image capture component based on the brightness level, determine whether the object includes a face, and capture an image of the face if the face is detected.

Abstract: In a pupil detection apparatus, based on a calculated value of red-eye occurrence intensity that is relative brightness of brightness within a first pupil image detected by a pupil detector with respect to brightness of a peripheral image outside the first pupil image, and a correlation characteristic of red-eye occurrence intensity and a pupil detection accuracy value, a switching selector selectively outputs a detection result of the first pupil image or a detection result of a second pupil image detected by a pupil detector. The pupil detection apparatus has a first imaging pair including an imager and an illuminator separated by a separation distance, and a second imaging pair whose separation distance is greater than that of the first imaging pair.

Abstract: Detect a head position of a user viewing a display device with a sensor, determine a duration of the user viewing the display device, identify a user fatigue in response to the head position, and provide a response to the user with the display device based on the user fatigue and the duration of the user viewing the display device.

Abstract: A geodetic measuring instrument for determining the position of a target point includes a sighting apparatus that can be pivoted with respect to a base of the measuring instrument to change the orientation of the sighting apparatus. The geodetic measuring instrument has at least one objective unit defining an optical target axis and has angle measurement functionality for precisely detecting the orientation of the target axis. Evaluating means store to and control the orientation of the sighting apparatus. An eye image recording unit records eye images of an eye of a user. The evaluating means perform automatic sighting functionality regardless of viewing direction in such a way that the following occurs automatically after the function has started: at least one eye image is recorded, a viewing direction of the user eye is determined, or eye information suitable for deriving a viewing direction of the user eye is determined.

Abstract: A method of controlling color lighting in a vision system is provided which is capable of rapidly searching for a voltage value which allows an optimal product image to be obtained in a vision system including a plurality of lightings. In accordance with an embodiment, a voltage value allowing an optimal product image to be obtained can rapidly searched for in a vision system including a plurality of lightings.

Abstract: An image display apparatus and an image display method where the image display apparatus according to an embodiment displays a main screen and a sub-screen having a different depth or slope from the main screen so as to create the illusion of depth and distance.

Abstract: An imaging apparatus that captures an object that changes temporally includes: first acquisition means for acquiring an overview image of the object; determination means for determining a reference part in the overview image in which there is less temporal change than in other parts; setting means for setting, in a first overview image, a capturing position of the object where detailed capturing is to be performed; registering means for, in the case where a second overview image has been acquired for the same object as the object in the first overview image, registering the second overview image with the first overview image based on the reference parts in the first and second overview images; and second acquisition means for acquiring a detailed captured image of the object in a position corresponding to the capturing position of the first overview image in the registered second overview image.

Abstract: A blink measurement device includes an acquisition unit configured to acquire motion information of a subject's eye, and an analysis unit configured to obtain start information about a blink of the subject's eye based on the motion information.

Abstract: An iris recognition system is disclosed wherein the tilt of a camera and illuminator module is manually or automatically adjusted in a manner that is efficient and easy to use, and wherein a user guidance system provides a reflective view of the user that facilitates user-centering. The camera and/or illuminator module are preferably tiltable only about a substantially horizontal axis. The user guidance system preferably includes a reflective surface that is convex in substantially only one direction, most preferably about a horizontal axis, and substantially flat about a vertical axis.

Abstract: 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. A distance estimator (107) then determines a distance to the object in response to a displacement in the image of the at least two image objects. The distance may be to a person and the image may be a bright pupil image wherein pupils are enhanced by reflection of light by the retina. The image may be compensated by a dark pupil image of the scene.

Abstract: A method for detecting an eyes-off-the-road condition based on an estimated gaze direction of a driver of a vehicle includes monitoring facial feature points of the driver within image input data captured by an in-vehicle camera device. A location for each of a plurality of eye features for an eyeball of the driver is detected based on the monitored facial features. A head pose of the driver is estimated based on the monitored facial feature points. The gaze direction of the driver is estimated based on the detected location for each of the plurality of eye features and the estimated head pose.

Abstract: A system and method for determining engagement of members of an audience during a lecture. Speech by the lecturer is detected to initiate image processing, which is performed by first capturing the audience in multiple image frames using a video camera; performing edge detection on an image frame to generate a digital edge map of the frame; detecting an approximate facial region skeletal image candidate in the image frame including circular and elliptical shapes for iris, eye and face; extracting location information for a candidate face in the image frame, including eyes and irises in the skeletal image to generate approximate facial region location information; and determining, from the location information, whether required spatial relationships exist within a candidate, for that candidate to be considered as a face of one of the members. When an iris is essentially circular, the member with a corresponding face is considered to be engaged.

Abstract: Apparatus, systems and methods for facilitating iris-scanning contact lenses and/or biometric identification employing iris scanning contact lenses are provided. In one implementation, the contact lens can include: a transparent substrate formed to cover at least a portion of an iris of an eye; and a circuit. The circuit can include: one or more light sensors disposed on or within the transparent substrate and that detects light filtered through the iris and incident on the one or more light sensors; readout circuitry, operably coupled to the one or more light sensors, that outputs information indicative of the light filtered through the iris and incident on the one or more light sensors; and a power component that supplies power to the readout circuitry. In various implementations, the contact lens can be employed in systems and/or methods associated with authentication and identification.

Abstract: Devices and methods are provided for eye-tracking, e.g., including a freeform optical assembly and/or a modular design. In an exemplary embodiment, a device and method are provided that includes a wearable device on a user's head, the wearable device including a scene camera oriented to capture images of the user's surroundings. The user may perform a predetermined action with the user's eye to activate a photo feature of the wearable device, gaze at a region within the user's surroundings, the wearable device determining a focal point and limited field-of-view for the camera imaging field based on the center point, and activate the camera to capture an image of the limited field-of-view centered around the focal point.