Abstract: A highly visible overlay system includes contrasting visible elements configured to define an image overlay, a first portion of the visible elements comprises opaque elements having high contrast with bright areas of a field of view, and a second portion of the visible elements comprises illuminated elements having high contrast with darker elements of the field of view. The system may capture an image of a target scene for display and include a processing component configured to construct the plurality of contrasting visual elements in accordance with a visual acuity factor, and generate an electronic overlay constructed of the contrasting visual elements. The overlay may comprise a reticle formed on an optical element of a scope, including nonilluminated opaque portions and illuminated portions illuminated by a light source.

Abstract: A technique for providing intelligent exporting of images is provided. The technique includes receiving information identifying a set of images to be exported and receiving a set of parameter values to be used for exporting the set of images. The technique includes receiving a target total export size value for exporting the set of images. The target total export size indicates a memory size for storing a set of exported images corresponding to the set of images. The technique includes determining an image quality level to be used for exporting the set of images based upon the target total export size value and the set of parameter vales. The technique includes generating a set of exported images corresponding to the set of images. In one example, the set of exported images are generated using the image quality level and the set of one or more parameter values such that a total memory size for storing the set of exported images is within a threshold value of the target total export size.

Abstract: A method, system and computer programs for computing simultaneous rectilinear paths using medical images are disclosed. The method comprises receiving a 3D medical image comprising voxels representing a volume of an anatomical region of a patient and a preliminary path determined by two points traversing said 3D medical image, wherein said 3D medical image has segmented therein at least one area of interest, the preliminary path comprising a security zone with a given distance; computing a distance map of said area of interest and mapping its voxels to a first value or to a second value depending on a distance threshold, the latter being equal to said given distance of the security zone; selecting the voxels having said second value and projecting them using a frustum that projects the preliminary path onto a single point, to obtain a 2D projected image that includes a plurality of rectilinear paths.

Abstract: In example embodiments, techniques are provided for decoupling user access to infrastructure models from proprietary software that maintains and updates the infrastructure models. A backend application may include an infrastructure modeling backend module that, among other functions, handles communication with an infrastructure modeling frontend module of a frontend application that provides user access to the infrastructure model, infrastructure modeling hub services that maintain repositories for the infrastructure model, and an infrastructure modeling native module that creates, performs operations upon, and updates local instances of a database that stores the infrastructure model.

Abstract: The present invention provides a magnetic resonance imaging system for imaging a subject by a multi-shot imaging. The magnetic resonance imaging system comprises an acquiring unit for acquiring MR raw data corresponding to a plurality of shots; an imaging unit for generating a plurality of folded images from the MR raw data, wherein each of the plurality of folded images is generated from a subset of the MR raw data; a deriving unit for deriving magnitude of each pixel of each folded image; a detecting unit for detecting a motion of the subject during the multi-shot imaging based on similarity measurements of any two folded images of the plurality of folded images, wherein the detecting unit further comprises a first deriving unit configured to derive the measured similarities; and a reconstructing unit for reconstructing a MR image of the subject based on MR raw data obtained according to a detection result of the detecting unit.

Abstract: A gamma voltage generator included in a display device includes a gamma reference voltage storage block configured to store gamma reference voltage values at reference gray levels, an additional offset storage block configured to store additional offset values for the gamma reference voltage values at the reference gray levels, an additional offset setting block configured to store gamma select information representing whether the additional offset values are to be applied or not, a gamma reference voltage calculation block configured to generate final gamma reference voltage values by selectively adding the additional offset values to the gamma reference voltage values depending on the gamma select information, and a gamma reference voltage generation block configured to generate gamma reference voltages corresponding to the final gamma reference voltage values.

Abstract: A main video sequence of a live action scene is captured along with ancillary device data to provide corresponding volumetric information about the scene. The volumetric data can then be used to visually remove or replace objects in the main video sequence. A removed object is replaced by the view that would have been captured by the main video sequence had the removed object not been present in the live action scene at the time of capturing.

Abstract: A virtual reality (VR) system comprising a head-mounted display (HMD) and handheld controller set is enhanced to provide a more realistic end user VR experience, e.g., for generalized surface interactions in the VR environment. The techniques herein leverage controller-less calibration with any type of surface, followed by surface interactions in the VR environment. An example use case is an interactive fitness training session.

Abstract: The disclosure relates to a method for setting and visualizing parameters of an objective lens of a camera, in particular for focusing on a moving object, and to a system for per-forming the method. The camera is, for example, embodied as a film camera, in particular as a film camera used in cinematography. The method includes the following steps: calcu-lating a relative position and an alignment of a depth of field of the objective lens in the 3D space, observing the 3D space and/or the object with an AR display and observation de-vice, displaying the relative position and the alignment of the depth of field of the objective lens as an image in the AR display and observation device and/or displaying a focal plane as an image in the AR display and observation device, and setting the objective lens to ob-tain a desired depth of field of the objective lens.

Abstract: An electronic device according to one embodiment of the disclosure includes a display, a memory that stores an application for editing an image, and a processor that outputs the image through the application onto the display. The processor may be configured to output, on the display, the image, a first guide indicating an area to be cropped in the image, and a preview corresponding to the first guide in a first mode of the application. The processor may output, on the display, an image changed in accordance with a second mode in response to a user input to change a mode from the first mode to the second mode. The processor may output a second guide corresponding to the second mode on the display such that the preview corresponding to the first guide is output. In addition, various embodiments understood through the specification are possible.

Abstract: In one embodiment, a method includes presenting to a user, on a display of a head-worn client computing device, a three-dimensional video including images of a real-life scene that is remote from the user's physical environment. The method also includes presenting to the user, on the display of the head-worn client computing device, a graphical object including an image of the user's physical environment or a virtual graphical object.

Abstract: The present invention relates to a virtual image distance measurement method, apparatus and device. The method includes: disposing a light blocking element, a lens element and an imaging element along the optical axis of the lens element in sequence, wherein a light transmitting portion is formed on the light blocking element, and the virtual image position of a measured near-eye display does not coincide with the imaging position of the lens element; presenting, by a virtual image of the measured near-eye display, multiple images on the imaging element after passing through the light blocking element and the lens element; and determining a distance measurement parameter based on the multiple images, and substituting the distance measurement parameter into a preset distance calculation formula to obtain a virtual image distance.

Abstract: An information exchange method based on a virtual space scene is performed at a computing device, the method including: obtaining location information of a current terminal; obtaining, according to the location information of the current terminal, map data of a range in which the current terminal is located; drawing, according to the map data, a map in a constructed three-dimensional space, to obtain a drawing result; simulating, according to the drawing result, a real environment of a geographical location of the current terminal in the three-dimensional space, to obtain a virtual space for information exchange; and collecting an operation triggered by at least two terminals in the virtual space, and controlling information exchange processing of the at least two terminals according to a generated operation instruction.

Abstract: Example techniques are described for generating graphics content by obtaining a rendering command for a frame of the graphics content, obtaining an eye position of a user after obtaining the rendering command, determining a foveation parameter for a region of the graphics content based on the eye position; and rendering a tile, of the frame, corresponding to the region of the graphics content using the foveation parameter and the rendering command.

Abstract: Systems and methods may provide for receiving a pixel shader and sending the pixel shader to shader bypass hardware if the pixel shader and a render target associated with the pixel shader satisfy a simplicity condition. In one example, the shader bypass hardware is dedicated to pixel shaders and associated render targets that satisfy the simplicity condition.

Abstract: Systems and methods for generating illumination effects for inserted luminous content, which may include augmented reality content that appears to emit light and is inserted into an image of a physical space. The content may include a polygonal mesh, which may be defined in part by a skeleton that has multiple joints. Examples may include generating a bounding box on a surface plane for the inserted content, determining an illumination center point location on the surface plane based on the content, generating an illumination entity based on the bounding box and the illumination center point location, and rendering the illumination entity using illumination values determined based on the illumination center point location. Examples may also include determining illumination contributions values for some of the joints, combining the illumination contribution values to generate illumination values for pixels, and rendering another illumination entity using the illumination values.

Abstract: A method for estimating a 3D map and a plurality of poses is described. The method includes non-recursively performing an initialization of the 3D map and the respective poses of the plurality of poses based on a plurality of first 2D images of the series of 2D images, and recursively performing sequential updating of the 3D map based on recursively updating the 3D map for respective ones of a plurality of second 2D images of the series of 2D images. Related systems, devices and computer program products are also described.

Abstract: Methods, systems, and computer-readable media for virtualizing graphics processing in a provider network are disclosed. A virtual compute instance is provisioned from a provider network. The provider network comprises a plurality of computing devices configured to implement a plurality of virtual compute instances with multi-tenancy. A virtual GPU is attached to the virtual compute instance. The virtual GPU is implemented using a physical GPU, and the physical GPU is accessible to the virtual compute instance over a network. An application is executed using the virtual GPU on the virtual compute instance. Executing the application generates virtual GPU output that is provided to a client device.

Abstract: A computer implemented method for updating a point map on a system having first and second communicatively coupled hardware components includes the first component performing a first process on the point map in a first state to generate a first change. The method also includes the second component performing a second process on the point map in the first state to generate a second change. The method further includes the second component applying the second change to the point map in the first state to generate a first updated point map in a second state. Moreover, the method includes the first component sending the first change to the second component. In addition, the method includes the second component applying the first change to the first updated point map in the second state to generate a second updated point map in a third state.

Abstract: A method of synchronizing digital content between a first mobile device and a second mobile device is disclosed. Device position and orientation data is received at a first application executing in an operating system of the first mobile device. Sensor data is used to determine at least two 3D points associated with a physical location of the second mobile device. At least two 3D points are used to determine an offset for the position, orientation and scale of the first mobile device relative to the second mobile device. The offset and digital content data captured by the first mobile device are shared over a network with a second application executing in an operating system of the second mobile device. The second mobile device uses the offset to display the digital content captured by the first mobile device together with digital content data captured by the second mobile device.