Abstract: Techniques for an efficient inter-prediction structure and signaling for low-delay streaming of live video are described.

Abstract: An image encoding/decoding method and apparatus according to the present invention may determine a motion information encoding mode of a target block, configure a motion information prediction candidate group according to the motion information encoding mode, select one candidate from the motion information prediction candidate group so as to induce the selected candidate as motion information of the target block, and perform inter-prediction on the target block on the basis of the motion information of the target block.

Abstract: A video generation device includes: an object extraction unit that extracts an object area from a captured video in a space; a spatial position tracking unit that detects an article from three-dimensional position measurement data in the space, applies identification information to the article, and calculates a three-dimensional spatial position of the article using the three-dimensional position measurement data; a position information merging unit that links the object area to the identification information of the article to associate the three-dimensional spatial position with the object area; a depth expression unit that generates a depth expression video of only the object area with which the three-dimensional spatial position has been associated, a depth of the video being able to be adjusted in the depth expression video; and a feedback unit 15 that transmits information indicating a method for reducing blurring generated in the object area of the depth expression video.

Abstract: Disclosed herein are a video encoding/decoding method and apparatus. The video decoding method of the present disclosure includes: obtaining block partitioning information of a current block; based on the block partitioning information, partitioning the current block into a first sub-block and a second sub-block; deriving motion information of the first sub-block and notion information of the second sub-block respectively; based on the notion information of the first sub-block and the motion information of the second sub-block, generating a prediction sample of the first sub-block and a prediction sample of the second sub-block respectively; and through a weighted-sum of the prediction sample of the first sub-block and the prediction sample of the second sub-block, generating a prediction sample of the current block. Herein, the block partitioning information is index information indicating an index of a table including information indicating a plurality of predefined asymmetric partition shapes.

Abstract: A method and an apparatus for video processing are provided. The method includes that a decoding terminal receives a plurality of coded video frames coded using one or more generative adversarial networks (GANs), receives network parameters related to the one or more GANs, and decodes the plurality of coded video frames using GANs based on the network parameters. Further, the one or more GANs respectively implement one or more video coding functions including reference-frame coding, motion-compensated frame prediction, and residue-frame coding.

Abstract: An apparatus and method for capturing an object surface by electromagnetic radiation are provided. The apparatus includes a radiation generation device having a beam source and being configured to radiate a first and a second electromagnetic radiation having a first and second wavelength, respectively, onto a measurement point or a region of the object surface without emitting radiation onto the measurement point or onto the region, or without emitting radiation utilized for surface capturing, in a wavelength range between the first and the second wavelengths, a capturing device to capture for the measurement point a first and a second measurement value, the first measurement value being based on reflected radiation having the first wavelength and the second measurement value being based on reflected radiation having the second wavelength, and each of the first and second measurement values representing a distance between the capturing device and the object surface.

Abstract: The present invention relates to a method and apparatus for encoding or decoding a video signal. According to the present invention, a plurality of reference units for image prediction of the current unit is acquired and combined to obtain a unit prediction value, thereby improving the accuracy of image prediction. More particularly, the present invention relates to a method for inducing a variety of reference units using a motion vector prediction value or a motion vector which is used in conventional inter-prediction, and also relates to a method which combines the reference units so as to obtain the prediction value for the current unit. In addition, the present invention relates to a method which involves acquiring a plurality of reference units for a merging mode, and combining the reference units so as to perform image prediction.

Abstract: Methods, apparatus, systems for video processing, including video encoding or video decoding are described. One example method includes performing a conversion between a video including a video picture that includes a video slice and a bitstream of the video. The bitstream conforms to a format rule specifying that a slice type of the video slice determines a manner by which certain information from a picture header for the video picture is inherited by a slice header of the video slice.

Abstract: A device includes a processor that is configured to obtain first facets of a first wide field-of-view image. An object is identified in a facet of the first facets. A second wide field-of-view image is obtained. A location of the object is identified in the second wide field-of-view image. Using the location of the object, the second wide field-of-view image is partitioned into second facets such that no boundary of any of the second facets overlaps the object. The second facets are then encoded in a compressed bitstream.

Abstract: The present invention is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, deriving an initial motion vector of a current block; deriving a refined motion vector by using the initial motion vector; and generating a prediction block of the current block by using the refined motion vector.

Abstract: A system, method and apparatus for stereo vision and tracking with a plurality of coupled cameras and optional sensors.

Abstract: A method of video encoding in an encoder is described. A triangle merge list of a current coding block in a set of coding blocks is constructed based on a number of triangular merge mode candidates. The number of triangular merge mode candidates in the triangle merge list is less than or equal to a maximum number of triangular merge mode candidates. A first syntax element that indicates the maximum number of triangular merge mode candidates is generated. Further, a coded video bit stream that includes the first syntax element is generated.

Abstract: Methods and devices are provided for encoding a video stream which comprise encoding a plurality of frames of video acquired from different points of view, generating statistical values for the frames of video determined from values of pixels of the frames, generating, for each of the plurality of frames, a perceptual hash value based on statistical values of the frame and encoding a current frame comprising video acquired from a corresponding one of the different points of view using a previously encoded reference frame based on a similarity of perceptual hashes of the current frame and the previously encoded reference frame.

Abstract: The present disclosure relates to a method by which a decoding apparatus performs video coding, comprising the steps of: generating a motion information candidate list for a current block; selecting one candidate from among those included in the motion information candidate list; deriving control point motion vectors (CPMVs) of the current block based on the selected candidate; deriving sub-block-unit or sample-unit motion vectors of the current block based on the CPMVs; deriving a predicted block based on the motion vectors; and reconstructing a current picture based on the predicted block, wherein the motion information candidate list includes an inherited affine candidate, the inherited affine candidate is derived based on candidate blocks coded by affine prediction, from among spatial neighboring blocks of the current block, and the inherited affine candidate is generated up to a pre-defined maximum number.

Abstract: A method of video processing includes maintaining, for a conversion between a current video block of a current picture of a visual media data and a bitstream representation of the visual media data, a buffer comprising reference samples from the current picture for a derivation of prediction samples of the current video block. One or more reference samples in the buffer that are marked unavailable for the derivation have values outside of a pixel value range.

Abstract: A method for processing video data, including: deriving one or more motion vectors for a first set of sub-blocks belonging to a first dividing pattern of a current video block of a video; and performing, based on the one or more motion vectors, a conversion between the current video block and a bitstream of the video.

Abstract: Devices, systems and methods for digital video coding, which includes using default motion candidates for video coding, are described. An exemplary method for video processing includes determining, for a conversion between a block of a video and a bitstream representation of the video, weights to use for a weighted average of prediction samples along an edge of two partitions of the block. The two partitions are generated according to a geometry partition mode, and the weights are selected from a first weighting factor group that at least one of the weights is equal to 0 or 1. The method also includes performing the conversion based on the determining.

Abstract: A video processing method includes performing a conversion between a video having one or more video layers comprising a current picture comprising a current slice and a bitstream of the video according to a rule. The rule specifies a condition under which a reference picture list for the current slice is disallowed to have an active entry that refers to a picture that precedes, in a decoding order or an output order, an intra random access point picture associated with the current picture.

Abstract: A decoding method is disclosed that comprises: determining whether a current block of a picture extends beyond a boundary of the picture; determining for each split mode of a plurality of split modes whether said current block is allowed to undergo splitting according to said split mode by checking whether at least one of the split line is co-located with one of the picture border or whether the size of the block part inside the picture along the picture boundary is a multiple of a minimum block size; decoding from a bitstream a current split mode of the current block responsive to the allowed split modes; and decoding the current block according to the current split mode.

Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method includes obtaining inter prediction information of a current block and wraparound information from a bitstream, and generating a prediction block of the current block based on the inter prediction information and the wraparound information. The wraparound information may include a first flag specifying whether wraparound motion compensation is enabled for a current video sequence including the current block. The first flag may have a first value specifying that the wraparound motion compensation is disabled, based on that one or more subpicture, which is coded independently and has a width different from a width of a current picture, is present in the current video sequence.