Abstract: A method of measuring pantoscopic tilt of spectacles includes a) providing a spectacle frame comprising a spectacle frame front and temples; b) placing the spectacle frame on a user's face in a position of normal wear; c) providing an image recording apparatus which contains spatial orientation sensors; d) positioning the image recording apparatus to capture a side view image of the user wearing the spectacle frame; e) capturing an image of the user wearing the spectacle frame, wherein a profile of the spectacle frame front is visible, and recording spatial orientation data with the image recording apparatus; f) determining pantoscopic tilt of the spectacle frame.

Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for positioning a gaze point. The method for obtaining a gaze point in a display device may comprise capturing a real time eye image, obtaining a real time pupil center point from the real time eye image, determining a gaze target zone based on the real time pupil center point and obtaining a gaze point on a target screen generated by the display device based on the real time pupil center point and a mapping ratio for the gaze target zone.

Abstract: A method for determining experience quality of virtual reality (VR) multimedia includes, in a process of playing VR multimedia, obtaining a first sensory parameter, a second sensory parameter, and a third sensory parameter of the VR multimedia, where the first sensory parameter, the second sensory parameter, and the third sensory parameter are obtained by performing sampling separately according to at least two same perceptual dimensions, and are respectively parameters that affect fidelity experience, enjoyment experience, and interaction experience, and determining a mean opinion score (MOS) of the VR multimedia based on the first sensory parameter, the second sensory parameter, and the third sensory parameter of the VR multimedia. Because the third sensory parameter is a parameter that affects the interaction experience, an interaction feature of the VR multimedia is considered.

Abstract: Systems and processes for device voice control are provided. An example process includes, at an electronic device, receiving a spoken user input and interpreting the spoken user input to derive a representation of user intent. The process further includes determining whether a task may be identified based on the representation of user intent. In accordance with a determination that a task may be identified based on the representation of user intent, the task is performed, and in accordance with a determination that a task may not be identified based on the representation of user intent, the spoken user input is disambiguated.

Abstract: A biological data detection method and a biological data detection device are provided. The method determines a variation in light intensity in an ambient environment encompassing a sensing unit at a biological characteristic matching stage compared to a biological characteristic registration stage, the sensing unit having a first value of a parameter at the biological characteristic matching stage and a second value of the parameter at the biological characteristic registration stage; obtaining the first value relative to the second value based on the variation in light intensity in an ambient environment such that image clarity and/or image noise of the biological image generated at the biological characteristic matching stage approximates image clarity and image noise of a biological image generated at the biological characteristic registration stage. The parameter of the sensing unit includes an exposure time and/or an ADC gain coefficient.

Abstract: An electronic device comprises a first camera module, a display device, and a processor functionally connected with the first camera module and the display device. The processor may be configured to determine a size of at least one eye area included in an image obtained by the first camera module while displaying a virtual image using the display device and to control a degree of display of the virtual image corresponding to the size of the at least one eye area. Other various embodiments are also available.

Abstract: An apparatus for diagnosis of ocular surface disease includes an electronic tablet with an electronic display and a forward-facing camera. The camera may be placed above the screen when the device is held in landscape mode. A software app executing on the electronic tablet displays a test screen to a patient, the test screen comprising a test image and an alignment indicator. Once alignment is achieved, the patient may read the test image for a period of time, during which blink quality and quantity are tabulated. A video recorded during the test may be reviewed by a physician to confirm or modify blink quality and quantity counts during the test to diagnose ocular surface disease.

Abstract: Disclosed is a method for testing the feasibility of a pair of spectacles, the pair of spectacles comprising an identified spectacle frame. The method includes steps of: a) acquiring a range of values of at least one first parameter relating to a spectacle wearer, in all of which range it is desired to ensure the feasibility of the pair of spectacles, b) acquiring a range of values of at least one second parameter that relates to a spectacle wearer and that is different from each first parameter, in all of which range it is desired to ensure the feasibility of the pair of spectacles, c) confirming, for a characteristic number of values of each second parameter, that the pair of spectacles is feasible whatever the value of each first parameter comprised in its range.

Abstract: Computer-implemented methods, software, and computer systems for authenticating a user. Authentication includes presenting on a first user interface a challenge set of cognitive information elements (400) to the user that comprises a cognitive challenge that has a reference solution based on an intersection of the challenge set of cognitive information elements and a secret set of cognitive information elements. Biometric features of the user can be extracted from a response made by the user to the cognitive challenge on a second user interface, and the user can be authenticated if the biometric feature extracted from the response matches a reference biometric feature.

Abstract: A device for determining centering parameters for the adjustment of spectacles includes a camera support partially surrounding an inner area that is open at the top, bottom and to the rear; and at least three cameras arranged between two free ends of the camera support and pointing towards the inner area, the camera support having an illumination system in order to illuminate the inner area. The illumination system is designed to light the inner area such that the light intensity, at least at each point in a region extending over a height of 20 cm and a central angle of 180 degrees of an outer cylinder surface having a diameter of 20 cm and formed in the inner area, deviates by a maximum +50% and ?30% from a predefined desired value.

Abstract: Apparatus, systems, articles of manufacture, and methods for adaptive display control in virtual reality environments are disclosed. An example virtual reality display device for adaptive display control in a virtual reality environment includes a scanner to detect a first size of a pupil of an eye of a user. The device also includes an analyzer to determine a first characteristic of a display image, reference a second pupil size based on the first characteristic of the display image, compare the first pupil size and the second pupil size, and adjust a second characteristic of the display image when the second pupil size is different than the first pupil size. The device also includes a display screen to present the second characteristic.

Abstract: A method for monitoring an optical lens manufacturing process at a first lens manufacturing side, the method including: a manufacturing data collecting, during which sets of manufacturing data indicative of at least a manufacturing process parameter and/or a manufacturing device parameters and/or an operator parameter and/or an environment parameter at the first lens manufacturing side are collected; a manufacturing information generating, during which at least one manufacturing information indicative of at least a manufacturing process parameter and/or a manufacturing device parameters and/or an operator parameter and/or an environment parameter at a second lens manufacturing side is generated based on the collected manufacturing data.

Abstract: In a method for determining at least one fitting parameter for a spectacle lens received in a spectacle frame, an image, lying in an image plane, of at least one portion of a spectacle frame worn by a subject is acquired. When acquiring the image, the inclination of the image plane about a horizontal axis which is parallel to the image plane is established and, in the process, the at least one fitting parameter is established from the acquired image of the portion of the subject with the spectacle frame worn by the subject and the established inclination of the image.

Abstract: A method is disclosed, comprising obtaining a first angular offset between a first eye direction and a first gaze direction of an eye having a first pupil size, obtaining a second angular offset between a second eye direction and a second gaze direction of the eye having a second pupil size, and forming, based on the first angular offset and the second angular offset, a compensation model describing an estimated angular offset as a function of pupil size. A system and a device comprising a circuitry configured to perform such a method are also disclosed.

Abstract: A method, implemented by computer means, for ordering an optical equipment comprising at least a spectacle frame suitable for a wearer, the method comprising: a wearer data providing step during which wearer data relative to a wearer parameter are provided, a optical equipment data providing step during which optical equipment data relative to at least the spectacle frame of an optical equipment selected by the wearer are provided, a mounting data determining step during which mounting data representative of the spectacle frame being mounted on the wearer's head are determined by taking into account at least said wearer's data and said optical equipment data, a display step during which the mounting data are displayed in a visually understandable mode.

Abstract: A device for determining the distance of an eye of a user from the image capturing device is disclosed. The device includes a lighting device that is arranged at a specified position relative to the image capturing device and is designed to generate at least one specular light reflection, which has a linear portion, on the cornea of the eye of the user. The device also includes an image capturing device designed to capture at least one image of the specular light reflection in the region of the cornea of the at least one eye of the user. A distance determining device is designed to ascertain data relating to the distance between two specified points of the light reflection and the curvature of the at least one linear portion of the light reflection in the captured image and the distance of the eye from the image capturing device.

Abstract: A method implemented by computer means for providing at least part of eyewear equipment adapted to a wearer is described. The method comprises a wearer data receiving step (S1). The method comprises a wearer data storing step (S2). The method comprises an identifier sending step (S3). The method comprises an eyewear equipment design sending step (S4). The method comprises an eyewear equipment data receiving step (S5). The method comprises an eyewear equipment data storing step (S6). The method comprises an eyewear equipment data sending step (S7).

Abstract: Some demonstrative embodiments include apparatuses, systems and/or methods of determining one or more optical parameters of a lens of eyeglasses. For example, a product may include one or more tangible computer-readable non-transitory storage media including computer-executable instructions operable to, when executed by at least one computer processor, enable the at least one computer processor to implement operations of determining one or more optical parameters of a lens of eyeglasses. The operations may include processing at least one image of an object captured via the lens; and determining the one or more optical parameters of the lens based on the at least one image.

Abstract: A pair of spectacle progressive lenses configured for a wearer suffering from convergence insufficiency or imbalance. The lens of the pair which is dedicated to the dominant eye has inset values appropriate for matching convergence of the dominant eye, but the other lens of the pair, which is dedicated to the non-dominant eye, has inset values substantially equal to zero. Such lens pair helps in suppressing the non-dominant eye for intermediate and near vision tasks, therefore avoiding or limiting symptoms of convergence insufficiency.

Abstract: Some demonstrative embodiments include apparatuses, systems and/or methods of determining one or more optical parameters of a lens of eyeglasses. For example, a product may include one or more tangible computer-readable non-transitory storage media including computer-executable instructions operable to, when executed by at least one computer processor, enable the at least one computer processor to implement operations of determining one or more optical parameters of a lens of eyeglasses. The operations may include processing at least one image of an object captured via the lens; and determining the one or more optical parameters of the lens based on the at least one image.

Abstract: In a binocular loupe production method capable of attaching a loupe to a carrier lens at a correct downward attachment angle by measuring a forward tilting angle of a worker accurately, a square marker is attached to a frame having the carrier lens, and the face of a user wearing the frame and looking at a working operation point P located below while assuming a working posture taken when he or she uses the binocular loupe is photographed from the working operation point P. A forward tilting angle ? of the carrier lens is calculated on the basis of the degree of change from the square shape to a trapezoidal shape of the marker in an oblique image of the face photographed from below, and a downward attachment angle r at which a loupe is attached to the carrier lens is determined according to the forward tilting angle ?.

Abstract: A system and method for determining the measurements needed to fabricate prescription eyeglasses. A person is imaged wearing the eyeglass frames, from a first camera position and a subsequent camera position. This produces images having differing perspectives from known distances. Common measurement points are identified within at least some of the images. The common measurement points undergo positional changes between the images having said differing perspectives. The positional changes of the common measurement points and the known distance to the imaging camera are utilized to map three dimensional coordinates for the measurement points using an actual measurement scale. Fabrication measurements are calculated between the various three-dimensional coordinates in the same scale.

Abstract: A method for adjusting prescription eyeglasses at a remote location based on measured data of a user of the eyeglasses is disclosed. With measurement decals adhered to lenses of the prescription glasses customized for a patient, an optometrist, optician, ophthalmologist, online optical merchant, or supplying lab will be able to have a physical measurement of the patient's segment height and monocular and binocular pupillary distance for improved fitting, thereby providing more comfortable single vision, bifocal and progressive prescription glasses, all without the need for an office visit or additional fees.

Abstract: A head-mounted display device includes a first light element configured to transmit a first light having a first color; a second light element configured to transmit a second light having a second color; a first lens configured for directing the first light in a first direction and directing the second light in a second direction; and a first set of one or more lenses configured for directing the first light and the second light from the first lens toward a first eye of a user. Also disclosed is a method that includes transmitting a first light and a second light through a first lens and a first set of one or more lenses and directing the first light and the second light toward a first eye of a user. Further disclosed is a method for adjusting a position of one or more lenses.

Abstract: An apparatus for determining optical parameters of a user with spectacles arranged in the use position on the head of the user includes at least one projection device designed and arranged for marking a partial region of the head of the user and/or of the spectacles of the user with a light projection; at least one image recording device designed and arranged for generating image data at least from the marked partial region of the head of the user and/or of the spectacles of the user; and a data processing device with a user data determining device, which is designed to determine user data from the marked partial region of the head and/or of the spectacles on the basis of the generated image data, wherein the user data comprise spatial information in the three-dimensional space of points of the partial region of the head and/or of the spectacles, and a parameter determining device, which is designed to determine optical parameters of the user on the basis of the user data.

Abstract: An optical imaging system, method, and medium for imaging a subject. Measure an aberration state of light from the subject is measured. Determine a condition of the subject based on the aberration state of the light, and if the subject is in a first condition or a second condition. An aberration correction device that adjusts a state of the light. In a first case if the subject is in the first condition than the light is adjusted based on the aberration state of the light used to determine that the subject is in the first condition. In a second case if the subject is in the second condition than the light is adjusted based on based on a most recent aberration state of the light that was used to determine that the subject was in the first condition prior to detecting that the subject is in the second condition.

Abstract: A method for fitting an actual predetermined glasses frame, selected by a given wearer, for use thereof by the wearer, includes the following steps: the head of the wearer is at least partially modelled, in at least one reference system, with at least one model of part of the nose and one model of part of the ears; simulating the positioning of the frame on the head of the wearer is carried out, in the model of the head of the wearer, by placing the corresponding areas of the frame, or a model of the latter, one over the other; and on the basis of placing these one over the other, the necessary change in shape of the actual predetermined frame is determined in order to achieve a fitting of the frame on the head of the wearer in accordance with at least one predetermined fitting criterion.

Abstract: An optometry apparatus includes: an optical characteristic measurement device configured to measure an optical characteristic of right and left subject eyes in a both-eye opened state by projecting a visual target onto the subject eyes; an anterior ocular segment acquisition device configured to acquire anterior ocular segment images of the right and left subject eyes by the optical characteristic measurement device during the measurement of the optical characteristic of the subject eye in the both-eye opened state; and a controller configured to execute: an analysis instruction for performing analysis processing on the anterior ocular segment images acquired by the anterior ocular segment acquisition device to acquire both-eye opened state information; a determination instruction for determining whether the both-eye opened state information acquired by the analysis instruction is favorable or not, to acquire determination information; and an output instruction for outputting the determination information acq

Abstract: Systems and methods for segmenting video. A segmentation application executing on a computing device receives a video including video frames. The segmentation application calculates, using a predictive model trained to evaluate quality of video frames, a first aesthetic score for a first video frame and a second aesthetic score for a second video frame. The segmentation application determines that the first aesthetic score and the second aesthetic score differ by a quality threshold and that a number of frames between the first video frame and the second video frame exceeds a duration threshold. The segmentation application creates a video segment by merging a subset of video frames ranging from the first video frame to an segment-end frame preceding the second video frame.

Abstract: Provided is an apparatus and method for determining an interpupillary distance (IPD), the method and apparatus may determine the IPD of a user by analyzing an image of the user gazing at a display to which a predetermined pattern is output, wherein the image may be obtained by the apparatus for determining the IPD or may be received from an external terminal.

Abstract: A computer-implemented method detects the position of a corneal vertex of an eye from a frontal image of a head and a lateral image of the head. The front and lateral images are calibrated to one another, and the position of the corneal vertex in space is determined from the frontal image and the lateral image with a geometric position determination.

Abstract: A method for aiding the choice, by a future wearer, of a piece of visual equipment including at least one ophthalmic lens and a spectacle frame, includes the following steps: receiving at least first and second data items representative of first and second distances measured between an eye of the wearer and the frame; determining a first width and a second width, associated with the first data item and the second data item, respectively, by comparing, for each data item, the lower and upper limits of a range of values associated with the distance represented by the data item in question; and constructing an image including a first portion having the first width and a second portion having the second width, the first portion and the second portion being juxtaposed in the image. A method allowing a future wearer to select such a piece of equipment is also described.

Abstract: A device for checking the refractive power distribution and/or centering of a spectacle lens is disclosed. The device includes a holder for arranging the spectacle lens in a measuring position, a display device for displaying a test structure, and an image capture device for capturing an actual image of the test structure for an imaging beam passing through the spectacle lens arranged in the measurement position. The display device simultaneously displays the captured actual image and a target complement image complementary to a target image of the test structure, wherein the target image of the test structure is that image which would arise for an imaging beam passing through a spectacle lens, arranged in a predefined target measuring position, with a predefined target refractive power distribution. The corresponding method for checking the refractive power distribution and/or centering of a spectacle lens is also disclosed.

Abstract: Disclosed embodiments provide techniques for implementation of a photographic effect. An image is acquired while in a zoom configuration. The image is divided into pixel groups. A distance is determined for each group of pixels. The groups of pixels are based on the detected distance of the group of pixels from the camera. The detected distance can be based on the autofocus module within the camera. The detected distance can be a relative distance or an absolute distance. An expansion factor is determined for each group of pixels based on the corresponding determined distance. Expanded pixel groups are created for each pixel group based on the expansion factor. The expanded pixel groups are composited together to create the processed image.

Abstract: A method includes obtaining an image of an eye in a bright-pupil imaging mode in which a retinal retro-reflection complements the image of the eye in the bright-pupil mode, and obtaining an image of the eye in a dark-pupil imaging mode in which a corneo-scleral retro-reflection complements the image of the eye in the dark-pupil mode. One of the bright-pupil imaging mode and the dark-pupil imaging mode is selected based on quality of obtained images.

Abstract: A system and method for eye monitoring using the natural reflections of the lenses and human eyes. The system includes a frame worn on the head of a user containing side supports and lenses. A light source and a camera are mounted on the side supports, so that they are located behind the eyes of the user, when the system is being worn by the user. The camera captures the natural light reflections from the lenses and the eye retinas, and uses the data to calculate a position or orientation of a user gaze.

Abstract: The invention relates to a method for checking the correct assembly of a device consisting of a frame and of two corrective ophthalmic lenses. The main feature of a method according to the invention is that it includes the following steps: an initial step of determining at least one parameter which makes it possible to position the lenses in the frame relative to the face; a subsequent step of acquiring at least one image of the face of said wearer with said device, which shows centering and horizontal level marks; a step of comparing said at least one parameter determined during said initial step with the corresponding parameter deduced from said at least one image; and a step of making a decision regarding the correct assembly of the device.

Abstract: Systems and methods for creating fully custom products from scratch without exclusive use of off-the-shelf or pre-specified components. A system for creating custom products includes an image capture device for capturing image data and/or measurement data of a user. A computer is communicatively coupled with the image capture device and configured to construct an anatomic model of the user based on the captured image data and/or measurement data. The computer provides a configurable product model and enables preview and automatic or user-guided customization of the product model. A display is communicatively coupled with the computer and displays the custom product model superimposed on the anatomic model or image data of the user. The computer is further configured to provide the customized product model to a manufacturer for manufacturing eyewear for the user in accordance with the customized product model.

Abstract: Disclosed is a method for determining at least one ocular measurement (pupillary distance, mono pupillary distance and/or heights) of a user, using a consumer-type digital image sensor. The method uses at least one image of the user's head, acquired by the image sensor and containing an object of known size. The calibration parameters of the camera are unknown or known with little precision.

Abstract: A method for evaluating retinal function and testing the visual field of a patient by monitoring how the patient tracks a target image on a display that comprises displaying the target image on the display such that it is located at a first position on the display and visible to the patient. The process continues by identifying what portion of the display the patient is looking at, selecting a location of the patient's retina to test, and calculating, based at least in part on what portion of the display the patient is looking at, a second position on the display corresponding to the selected location of the patient's retina. The target image is displayed at the second position on the display and the process identifies how many eye movements the patient made to look at the target at the second position. Based at least in part on the number of eye movements, the process determines whether the patient was able to see the target at the second position.

Abstract: A spectacle wearing parameter measurement device used in measurement of a spectacle wearing parameter of a subject who is to wear a spectacle frame, the spectacle wearing parameter measurement device includes: an information processing unit that acquires each of a first image as a face image of the subject in a spectacle-frame wearing state and a second image as a face image in a spectacle-frame non-wearing state and prepares a third image obtained by associating the first image and the second image; a display screen unit that displays the third image prepared by the information processing unit; an operation unit that specifies a measurement reference point of the spectacle wearing parameter on the third image displayed on the display screen unit; and a measurement computation section that calculates the spectacle wearing parameter by using data of the specified measurement reference point.

Abstract: Systems, apparatuses, and methods may provide for technology to dynamically control a display in response to ocular characteristic measurements of at least one eye of a user.

Abstract: The disclosed embodiments include a method for determining a geometric definition of a piece of personalized optical equipment adapted to its wearer, comprising at least one geometric definition of a personalized frame of this piece of personalized equipment. In one embodiment, the geometric definition of said personalized frame is determined depending on at least one geometric parameter of personalization of the frame and on a reference frame chosen by the wearer. Further, the value of said at least one geometric parameter of personalization of the frame being determined on the basis of the acquisition of data relating to at least one morphological quantity of the head of the wearer, in such a way that the personalized frame is adjusted to conform with a least one criterion of adjustment of personalization of the geometry of the frame with respect to the morphological quantity of the head of the wearer.

Abstract: [Object] To provide an image processing device capable of outputting audio acquired as an audio data signal by capturing an arbitrary image. [Solution] Provided is an image processing device, including: a separation unit that separates a flicker pattern from an image obtained by capturing, at multiple exposure times, an image containing a scene that emits light on a basis of a flicker pattern converted from an audio signal; and a conversion unit that converts the separated flicker pattern to an original audio signal.

Abstract: An apparatus for determining the diameter of an ophthalmic compensation lens to be mounted onto a spectacle frame, or for controlling the mounting of an ophthalmic compensation lens onto the frame includes: an electronic tablet having a screen; a spectacle frame support having an opening and being suitable for holding the glasses frame in a predetermined position, one surface of the spectacle frame being placed near the surface of the screen; elements for storing at least one graphic image including at least one graphic reference mark associated with the ophthalmic compensation lens and/or with the patient who is to wear the ophthalmic compensation lens mounted onto the frame; elements intended for processing the image and capable of generating a projected image; elements for displaying the projected image onto the screen; and elements for aligning the frame with regards to the projected image displayed on the screen.

Abstract: Methods and systems include using a digital camera module for capturing a plurality of digital images of a tested subject at a plurality of perspective views. The tested subject is not required to move their head position or viewing direction during the capturing of images. A motion control module I) rotates the camera module with its optical axis pointing at a rotation center to correct any orientation error in capturing the perspective views, and II) positions the camera module to adjust the rotation center for accommodating different head positions of the tested subject. A computer module processes and stores the plurality of digital images to fit an eyeglass frame to the tested subject or to acquire data for fitting prescription lenses into the eyeglass frame. The computer module can provide an augmented reality of different styles of eyeglasses, and obtain 3D measurements for fitting eyeglass frames.

Abstract: There is an provided eyeglass fitting parameter measurement device including: a display control unit that displays a front image of an examinee wearing an eyeglass frame and a lateral image of the examinee wearing the eyeglass frame on a display part; and a position information detection unit that detects position information for determining the positions of the examinee's eyes or the eyeglass frame based on one of the front image and the lateral image. The display control unit provides a correspondence indication corresponding to the position information detected by the position information detection unit in a display area for the other of the front image and the lateral image based on the position information.

Abstract: A self-service kiosk for dispensing eyewear is disclosed. The kiosk includes a display for depicting available frame and lens options to customers. A user interface accepts eyewear order information from a customer including the customer's prescription information and frame selection. The kiosk also includes a lens manufacturing device that is wholly contained within the kiosk for manufacturing optical lenses in the prescription of the customer, which are adapted for the selected frame. Further, the kiosk includes a dispensing mechanism for dispensing from the kiosk the manufactured lenses, along with the customer selected frame.

Abstract: A method for providing to a wearer a customized progressive spectacle ophthalmic lens, comprising providing a residual astigmatism target value for the progressive spectacle ophthalmic lens-eye system according to a reference point, calculating a correction function, combining the correction function to the front or to the back surface of an initial optical data of an initial progressive spectacle ophthalmic lens.

Abstract: An apparatus and a method for refractive surgery, in particular LASIK, make provision whereby the apex of the cornea is taken as a basis, as the ablation center, for the refractive procedure. For this purpose, the dependence of the position of the apex on properties of the pupil is determined in the case of the eye to be treated and, from this dependence, measured properties of the pupil are used to calculate the position of the ablation center during the refractive surgery.