A point cloud file transmission method includes obtaining a point cloud file and extension information corresponding to the point cloud file, the point cloud file comprising point cloud data, the extension information providing information for a service. The service is implemented using the point cloud data. The method further includes indicating a correspondence between an item of the extension information and an item in the point cloud file by (i) the item in the point cloud file indicating an index of the item of the extension information or (ii) a file level location of the item of the extension information. The method further includes transmitting the point cloud file and the extension information to a receiving device, so that the receiving device performs the service using the point cloud data based on the extension information.

Systems, devices, and methods disclosed herein may generate captured views and a plurality of intermediate views within a pixel disparity range, T.sub.d, the plurality of intermediate views being extrapolated from the captured views.

An eyewear device that adjusts an on time and an off time of a pair of cameras to control heat of the cameras and of the eyewear device. Each of the pair of cameras has a duty cycle determining when the respective camera is on and off. A camera control chart contains the duty cycles. The eyewear may have a temperature sensor such that the on and off times of the cameras are a function of the temperature sensor.

In some aspects, the techniques described herein relate to systems, methods, and computer readable media for data pre-processing for stereo-temporal image sequences to improve three-dimensional data reconstruction. In some aspects, the techniques described herein relate to systems, methods, and computer readable media for improved correspondence refinement for image areas affected by oversaturation. In some aspects, the techniques described herein relate to systems, methods, and computer readable media configured to fill missing correspondences to improve three-dimensional (3-D) reconstruction. The techniques include identifying image points without correspondences, using existing correspondences and/or other information to generate approximated correspondences, and cross-checking the approximated correspondences to determine whether the approximated correspondences should be used for the image processing.

In some aspects, the techniques described herein relate to systems, methods, and computer readable media for data pre-processing for stereo-temporal image sequences to improve three-dimensional data reconstruction. In some aspects, the techniques described herein relate to systems, methods, and computer readable media for improved correspondence refinement for image areas affected by oversaturation. In some aspects, the techniques described herein relate to systems, methods, and computer readable media configured to fill missing correspondences to improve three-dimensional (3-D) reconstruction. The techniques include identifying image points without correspondences, using existing correspondences and/or other information to generate approximated correspondences, and cross-checking the approximated correspondences to determine whether the approximated correspondences should be used for the image processing.

The present disclosure provides a communication method, and an electronic device. The method includes: obtaining, by an electronic device, a plurality of 2D images and/or a plurality of depth maps for a current scene, the plurality of 2D images and/or the plurality of depth maps being aligned in time; and transmitting, by the electronic device, the plurality of 2D images and/or the plurality of depth maps to the server by means of wireless communication.

An embodiment of the disclosure discloses an electronic device including at least one camera module to capture an image based on a specified angle of view, a display to display the image, a processor electrically connected with the camera module and the display. The processor detects a plurality of objects in the image, and performs setting of image data associated with at least one object of the plurality of objects such that a region, which corresponds to the at least one object, in a screen region of the display has a specified light transmittance value. Moreover, various embodiment found through the disclosure are possible.

A camera array, an imaging device and/or a method for capturing image that employ a plurality of imagers fabricated on a substrate is provided. Each imager includes a plurality of pixels. The plurality of imagers include a first imager having a first imaging characteristics and a second imager having a second imaging characteristics. The images generated by the plurality of imagers are processed to obtain an enhanced image compared to images captured by the imagers. Each imager may be associated with an optical element fabricated using a wafer level optics (WLO) technology.

A video decoding method that includes: receiving information for deriving motion information of a current block; deriving the motion information of the current block based on the received information for deriving the motion information; and performing prediction to generate predicted pixels of the current block based on the motion information of the current block, wherein the motion information of the current block is determined by using motion information of a reference block, wherein the reference block is determined based on a specific disparity vector, wherein the specific disparity vector is determined for an area in a picture to which the current block belongs, wherein the area which the specific disparity vector is determined is split based on a quad tree structure, and wherein the current block is a block of a texture picture and the reference block is a block in a reference view is disclosed.

A master device providing an image to a slave device providing a virtual reality service is provided. The master device includes: a content input configured to receive an input stereoscopic image; a communicator configured to perform communication with the slave device providing the virtual reality service; and a processor configured to determine a viewpoint region corresponding to a motion state of the corresponding slave device in the input stereoscopic image on the basis of motion information received from the slave device and control the communicator to transmit an image of the identified viewpoint region to the slave device.