Abstract: A system and method are provided for sizing and fitting a head mounted wearable computing device for a user based on image data of the head of the user, including a known reference device having a known scale. The system and method may include capturing image data including a face of the user to be fitted for the head mounted wearable computing device. The known reference device having the known scale is compared to features detected in the image data to determine a scaling factor. The scaling factor is used to size, or assign measures to facial features detected in the image data. A three-dimensional model of the head of the user may be generated from the captured image data.

Abstract: Some demonstrative embodiments include apparatuses, systems and/or methods of determining a pupillary distance. 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 measuring a pupillary distance between pupils of a user. The operations may include receiving a captured image comprising first and second reflections of a light of a light source, the first reflection comprising a reflection of the light from a first pupil of the user, and the second reflection comprising a reflection of the light from a second pupil of the user; and determining the pupillary distance based on locations of the first and second reflections in the captured image and an estimated distance between an image capturing device and pupils of the user, when the image is captured.

Abstract: A method for determining the reflectance behavior of a surface of an object includes: providing a plurality of images of the object which differ in terms of a recording direction and/or in terms of an illumination direction during the recording; creating data sets with entries which each describe a reflectance value derived from the images and an assigned recording direction and an assigned illumination direction, with each data set being assigned to a point on the surface of the object; and determining missing entries in the data sets on the basis of entries of already created data sets.

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 a computer communicatively coupled with an image capture device and configured to construct an anatomic model of the user based on 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: 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 a computer communicatively coupled with an image capture device and configured to construct an anatomic model of the user based on 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: The embodiments herein disclose methods and systems for monitoring health of eyes of a user, a method includes determining ambient light around an electronic device of the user. On determining that the ambient light is below a pre-defined threshold, the method includes determining a lumen output of at least one content to be displayed in at least one of a continuous manner and at pre-configured intervals. Based on the determined lumen output and at least one user profile, the method includes estimating a variation in a pupil size of the user. Further, the method includes generating an eye health index for the user based on the estimated variation in the pupil size of the user. Further, the method includes tagging the at least one content as safe based on the eye health index for viewing the at least one content.

Abstract: Disclosed is a binocular optoelectronic device wearable by a user for measuring a light sensitivity threshold of the user, including: a diffuser configured to face eyes of the user; at least one light source for emitting light toward the diffuser. The diffuser includes predetermined parameters allowing to provide a quasi-homogeneous light diffusion to at least one eye of the user from light emitted by the at least one light source.

Abstract: Disclosed is a virtual dressing room that allows a user to virtually try on clothing, clothing accessories, and/or other related items on a model of the user's own body, and a virtual stylist that automatically selects and curates items to match, accentuate, and/or otherwise complement the body type, physical features, look, and/or style of the user. The virtual stylist may receive images of the user over a data network, may determine attributes of the user by analyzing the images, may input the user attributes into a relationship model, and may receive item preferences as output from the relationship model. The virtual stylist may select a set of items from a plurality of items based on the set of items comprising tags that satisfy the item preferences, and may generate and present generate a site with the selected set of items.

Abstract: A computer implemented method of determining a numerical representation of a spectacle lens is provided, in which a numerically represented working spectacle lens is optimized by ray tracing using pencils of rays along different viewing directions of an eye to obtain an optimized numerical representation. The principal rays of the pencils of rays each pass different ray passing points forming points of a vertex surface. The principal rays extend along a viewing direction related to the respective ray passing point. The locations of the ray passing points are determined by surface points of a non-spherical apex surface representing the locations of the apex of the cornea when the eye rotates. A fixed distance is added to the apex surface at the respective surface points in a direction that corresponds to the viewing direction of the eye when the apex of the cornea is located at that surface point.

Abstract: Systems and methods for organizing and inter-relating data that is used in generating graphical user interfaces through the use of a novel data structure. For instance, various embodiments of the disclosure provide a method comprising: receiving data inputs provided by a website visitor on a first webpage of a website or an object comprising a first component; retrieving, based on the inputs, first source data from at least one data source that is associated with the first component; identifying, based on the first source data, a set of first options for the first component; generating a transaction data structure by populating first fields of the transaction data structure with the set of first object options; and upon generating the transaction data structure: generating, based on the first fields of the transaction data structure, a second webpage comprising at least one first selectable control providing the set of first options.

Abstract: Methods and devices for determining at least one centring parameter are disclosed. A mobile terminal is moved from a first position to a second position, and a respective image is captured of an eye area of a person. The acceleration is also measured during the movement. The centring parameter is then determined based on the captured image and the measured acceleration.

Abstract: The present disclosure relates to a method for expanding an image database for evaluation of eyewear compatibility. In particular, the present disclosure relates to a method, comprising receiving a user image, receiving a frame image, processing the received frame image by setting, as transparent, pixels of the received frame image except for an anterior face of the frame, defining, within the processed frame image, a left boundary and a right boundary of the anterior face of the frame, the left boundary and the right boundary corresponding to the left eye and the right eye, respectively, receiving a filter image, processing the received filter image by setting, as transparent, pixels in the received filter image outside the frame based on the left boundary and the right boundary, merging the processed frame image and the processed filter image, and overlaying the merged image onto the received user image.

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: Provided is a process for generating specifications for lenses of eyewear based on locations of extents of the eyewear determined through a pupil location determination process. Some embodiments capture an image and determine, using computer vision image recognition functionality, the pupil locations of a human's eyes based on the captured image depicting the human wearing eyewear.

Abstract: An eye tracking system can include an eye-tracking camera configured to obtain images of the eye at different exposure times or different frame rates. For example, longer exposure images of the eye taken at a longer exposure time can show iris or pupil features, and shorter exposure, glint images can show peaks of glints reflected from the cornea. The shorter exposure glint images may be taken at a higher frame rate (than the longer exposure images) for accurate gaze prediction. The shorter exposure glint images can be analyzed to provide glint locations to subpixel accuracy. The longer exposure images can be analyzed for pupil center or center of rotation. The eye tracking system can predict future gaze direction, which can be used for foveated rendering by a wearable display system. In some instances, the eye-tracking system may estimate the location of a partially or totally occluded glint.

Abstract: A method of performing an optometric examination of a patient includes positioning the patient behind a phoropter; presenting visual stimuli to the patient using a computer-controlled device; recording the patient's response to the stimuli; automatically adjusting the settings of the phoropter to improve one or more characteristics of the patient's vision; and automatically determining the prescription for the refractive error correction for the patient.

Abstract: A system for and method of projecting augmentation imagery in a head-mounted display is disclosed. A system for projecting light onto an eye includes a display to project light, a beam combiner, first and second optical systems between the display and the beam combiner along respective first and second optical paths. The first and second optical paths differ. The system also includes a switchable reflector that, in a reflective state, reflects light incident upon the reflector, and, in a non-reflective state, transmits light incident upon the reflector. The reflector is between the display and the first and second optical systems along the first and second optical paths and directs light along the first path, in the reflective state, or along the second path, in the non-reflective state, to reflect light from the beam combiner to the eye from different directions when in the different states.

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: A system and method for determining the measurements needed to fabricate prescription eyeglasses. A person is scanned with a time-of-flight scanner while wearing the eyeglass frames. This produces depth maps from known distances. Common measurement points are identified within at least some of the scans. 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: The invention concerns a method for measuring parameters necessary for producing corrective spectacles using an instrument (1) comprising the following steps: S1: positioning the wearer at a predefined distance from the frame (2) of the instrument (1), S2: placing a screen (5) of the instrument (1) opposite the wearer and displaying at least one image, S3: placing the frame of the corrective spectacles on the face of the wearer, S4: substituting the screen (5) with a one-way mirror (4) of the instrument, S5: taking the measurements.

Abstract: An interpupillary distance measuring method, a wearable ophthalmic device and a computer readable storage medium are provided. The method includes: capturing at least one eye image; extracting corresponding one or two pupil image positions corresponding to a monocular pupil or pupils to two eyes in the at least one eye image; and determining an actual distance between the pupils of two eyes according to the one or two pupil image positions.

Abstract: A method of fit testing includes providing a respirator; providing a sensor having a sensing element removably positioned substantially within an interior gas space of the respirator; providing a reader configured to be in wireless communication with the sensor; positioning the respirator over a mouth and a nose of a user while the sensor is positioned substantially within an interior gas space of the respirator; and observing respirator fit assessment data communicated from the sensor to the reader.

Abstract: Systems and methods for organizing and inter-relating data that is used in generating graphical user interfaces through the use of a novel data structure. For instance, various embodiments of the disclosure provide a method comprising: receiving data inputs provided by a website visitor on a first webpage of a website or an object comprising a first component; retrieving, based on the inputs, first source data from at least one data source that is associated with the first component; identifying, based on the first source data, a set of first options for the first component; generating a transaction data structure by populating first fields of the transaction data structure with the set of first object options; and upon generating the transaction data structure: generating, based on the first fields of the transaction data structure, a second webpage comprising at least one first selectable control providing the set of first options.

Abstract: A method for determining an optical system intended to equip a person on the basis of the adaptability of the person to a visual and/or proprioceptive modification of his environment, the method.

Abstract: An ear saddle point of a subject's ear is determined to produce specifications to fit a wearable apparatus to a subject's head. A boundary of the subject's ear in a profile image is determined using a first model. A map of the subject's ear is generated indicating probable locations of a two-dimensional ear saddle point. A most probable location of the two-dimensional ear saddle point is determined based on the probability map. The two-dimensional ear saddle point is projected onto a three-dimensional mesh surface representing the subject's head. A maximum depth of the three-dimensional mesh surface is determined in a defined region around the projected two-dimensional ear saddle point. The ear saddle point is computed based on the projected two-dimensional ear saddle point and the determined maximum depth. Specifications of a wearable apparatus are generated to fit the apparatus to the subject's head based on the computed ear saddle point.

Abstract: Multiple cameras are coupled to a camera rig. Multiple diffractive optical elements (DOEs) are coupled to a DOE prop. Each camera is positioned in an eye box of a DOE and takes an image when the cameras are positioned at a first position, a second position and a third position relative to the DOEs. Three images taken by a each camera at each one of the first position, the second position and third position. The images are transmitted to a processor coupled to the camera rig. For each image, the processor identifies data pairs, each data pair including pixel coordinates of an intensity peak in the image and virtual light source produced by the diffractive optical element that corresponds to the intensity peak, and determines extrinsic parameters of the cameras using the identified data pairs for each image.

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 a computer communicatively coupled with an image capture device and configured to construct an anatomic model of the user based on 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: 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 fitting parameter of an optical equipment configured to equip a user, the method including: providing an imaging device; taking a plurality of images of the user equipped with the optical equipment when the user takes successively at least two distinct positions; among the at least two distinct positions, identifying at least one period when the user is in a favorable position to determine the at least one fitting parameter, wherein the at least one period is manually identified by an operator; recording the at least one identified period and at least one image taken during the at least one identified period; determining the fitting parameter on the basis of the at least one recorded image.

Abstract: A head mounted system includes an eye imaging device configured to image an eye of a wearer of the head mounted system, a periphery imaging device configured to image a periphery of the wearer, a display device configured to display, toward the wearer, a peripheral image of the periphery of the wearer imaged by the periphery imaging device, and a control device configured to adjust display of the peripheral image on the display device based on an eye image of the eye of the wearer imaged by the eye imaging device.

Abstract: Disclosed is a method for determining an optical system intended to equip a subject, the method including the steps of: —determining an index of sensitivity indicating, when the subject is placed in an environment including surfaces and/or borders forming globally a geometry of this environment; and landmarks associated with specific locations within the environment, how the subject relies on the global geometry and/or on the local landmarks of the environment to navigate within the environment; and—determining the optical system based on this index of sensitivity. The invention also relates to an ophthalmic lens and to an ophthalmic filter determined by such method.

Abstract: The invention relates to systems and methods for providing custom-fitted and styled wearable items such as eyewear based on measurements made from a user-provided image that is resized using a predefined reference that includes an image of an actual wearable item. The eyewear may be provided to a user, who wears the eyewear and provides an image of the user wearing the eyewear. The user-provided images may be compared to a predefined reference (e.g., an image of the eyewear) having a known scale and/or dimension. For example, a user-provided image may be overlaid with the predefined reference and resized so that the wearable item worn by the user in the user-provided image matches (the size of) the wearable item in the predefined reference. Because the scale and/or dimensions of the predefined reference are known, one or more measurements associated with the user may be made based on the user-provided image.

Abstract: Systems, methods, and non-transitory computer readable mediums including processes to correct for distortion in images introduced by eyewear (i.e., where the facial region surrounding the eye has a boundary that doesn't match the boundary of an uncovered facial region). The correction includes segmenting images to detect eyewear covered facial regions and facial regions not covered by the eyewear and altering the covered facial regions to match the covered facial boundary to the uncovered facial boundary. Alterations include processing using a machine learning model, applying anti-refraction algorithms, scaling the covered facial region to match boundaries of the uncovered facial region, or a combination thereof.

Abstract: A method for determining a pupillary distance of an individual, includes the following steps: —displaying an object on a screen located in front of the individual, the displayed object being positioned at a location in front of one eye of the individual; —instructing the individual to look with at least the eye at the displayed object; —acquiring at least an image of a part of the body of the individual including the eye; —determining the location of a plurality of specific features in the acquired image, one of the specific features being a pupil of the eye of the individual; and —calculating the pupillary distance based on the location of the plurality of specific features. A corresponding system is also described.

Abstract: The local refractive power and/or the refractive power distribution of a left and/or a right spectacle lens in a spectacle frame is measured in the wearing position on the head of a spectacle wearer by capturing at least two images of an eye of the spectacle wearer from different recording positions. The disclosure also relates to a computer program product having a computer program with program code and to an apparatus for carrying out the method.

Abstract: Described herein are methods and systems for customizing and personalizing eyewear. The methods and system consider optimal parameters for each wearer's personal visual situation and configures frames around them.

Abstract: Provided is a process for generating specifications for lenses of eyewear based on locations of extents of the eyewear determined through a pupil location determination process. Some embodiments capture an image and determine, using computer vision image recognition functionality, the pupil locations of a human's eyes based on the captured image depicting the human wearing eyewear.

Abstract: In a method for checking the centration of at least one spectacle lens, the spectacle lens is arranged in a field of capture of an image capturer; at least one image of the spectacle lens is captured by means of the image capturer; and positions of functional engravings of the spectacle lens in the captured image are determined. Furthermore, at least one lens contour of the at least one spectacle lens in the captured image is determined and the centration of the spectacle lens is checked taking into account the determined positions of the functional engravings, the determined lens contour and a known, wearer-dependent target geometry of the centration.

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.