A system may include a camera aimed at a display and configured to capture an image of the display, the display displaying a test image. The system may include a processor configured to: determine whether the display passes a verification test of correctly displaying a test image within a predetermined level of acceptance; and output a result of the verification test.

An image transformation method includes: causing a first display device to display one or more calibration patterns. One or more first images include a corresponding calibration pattern of the one or more calibration patterns. The one or more first images are captured by an image capture device disposed at a non-zero capture angle with respect to the first display device. The method also includes determining based on the one or more first images, a transformation to be applied to account for the non-zero capture angle; obtaining a second image of a human user; applying the transformation to the second image to generate a transformed spoof representation of the human user for capture by the image capture device being held at the non-zero capture angle with respect to the first display device; and causing the first display device to display the transformed spoof representation.

The disclosure herein relates to systems, methods, and devices for medical image analysis, diagnosis, risk stratification, decision making and/or disease tracking. In some embodiments, the systems, devices, and methods described herein are configured to analyze non-invasive medical images of a subject to automatically and/or dynamically identify one or more features, such as plaque and vessels, and/or derive one or more quantified plaque parameters, such as radiodensity, radiodensity composition, volume, radiodensity heterogeneity, geometry, location, and/or the like. In some embodiments, the systems, devices, and methods described herein are further configured to generate one or more assessments of plaque-based diseases from raw medical images using one or more of the identified features and/or quantified parameters.

According to various, but not necessarily all, embodiments there is provided an apparatus comprising means for: capturing at least one image of a cornea of the user; processing the at least one image to detect one or more objects and/or activities based on one or more reflections by a peripheral portion of the cornea; and providing an alert to the user for alerting the user to the detection of the one or more objects and/or activities.

A method and a system for warping a rendered frame is disclosed. On a host device of a split-rendering system, the method includes generating the rendered frame based on head tracking information of a user. The method also includes identifying a region of interest (ROI) of the rendered frame. The method also includes generating metadata for a warping operation from the ROI. The method further include transmitting the rendered frame and the metadata for a warping operation of the rendered frame. On a client device of the split-rendering system, the method includes transmitting head tracking information of a user by a client device. The method also includes receiving the rendered frame and metadata. The method further includes warping the rendered frame using the metadata and display pose information. The host device and the client device may be combined into an all-in-one head mounted display.

There is provided a setting support method for a projection region including, acquiring a first image obtained by imaging a projection object onto which a projection image is projected, estimating a shape of a projection region, which is a projection destination of the projection image in the projection object, calculating a first similarity degree indicating a degree of similarity of a first template image showing a first candidate of the shape of the projection region and the shape estimated based on the first image, calculating a second similarity degree indicating a degree of similarity of a second template image showing a shape of a second candidate different from the first candidate and the shape estimated based on the first image, and displaying the first template image and the second template image in display order or display forms corresponding to the first similarity degree and the second similarity degree.

Methods, devices and non-transitory computer-readable storage medium for processing a sequence of respective top view images of a same terrestrial location are provided. One of the method may comprise choosing one image, called reference image, among the respective top view images, estimating for each respective top view image a respective geometric deformation between the respective top view image and the reference image, computing by the respective geometric deformations respective subpixel positions of the respective top view images relative to one high-resolution coordinate system, interpolating at the respective subpixel positions to sample at least part of at least some of the respective top view images on a prescribed grid to obtain a high-resolution image.

In some embodiments, apparatuses and methods are provided herein useful to automatically annotating images. In some embodiments, a system for automatically annotating images comprises a database, wherein the database is configured to store images and annotations for the images and a control circuit, wherein the control circuit is communicatively coupled to the database, and wherein the control circuit is configured to retrieve, from the database, an image, generate, based on the image, a collection of augmented images, generate segmentation maps for each image in the collection of augmented images, wherein each of the segmentation maps include segments, select, based on a threshold, ones of the segments above a threshold, merge the ones of the segments above the threshold to create a segmented image, and generate, for each segment of the segmented image, classifications, wherein an annotation for the image includes the segmented images and the classifications.

An image processor and a method therein to provide a target image for evaluation with an object detector. The method comprises: obtaining a source image captured by a camera and depicting an object, and applying an inverse pixel transform to each target pixel of a target image to determine one or more source pixels located at a position in the source image corresponding to a position of each target pixel in the target image. The method further comprises assigning, to each target pixel, a target pixel value determined based on one or more source pixel values of the determined one or more source pixels located at the corresponding position, thereby is a size c in the target image of the depicted object of a specific object type normalized in at least one size dimension. Thereafter, the target image is fed to an object detector for evaluation.

A method for operating an electronic device includes: based on detection of an event, activating at least one reflector device connected to the electronic device; controlling the at least one reflector device to have an angle with respect to the electronic device such that a view position of a user is placed on the at least one reflector device; and controlling to display, on a display of the electronic device, event information associated with the detected event to be reflected to the at least one reflector device.