Abstract: An apparatus for decoding video data includes a decoder configured to decode, from a bitstream, a syntax element indicating an intra-prediction type of a current block of the video data, and an intra-predictor configured to generate a prediction block for the current block by selectively performing matrix based intra-prediction (MIP) or regular intra-prediction based on the intra-prediction type of the current block indicated by the syntax element.

Abstract: A decoder can be configured to obtain a current inter block and a plurality of previously decoded inter blocks. Each inter block of the plurality of inter blocks can include a motion vector having a resolution. The decoder generates a list of motion vector predictor candidates that is used to predict the motion vector that is associated with the current inter block. Generating the list of motion vector predictor candidates can include defining a set of inter blocks that includes a number of previously decoded inter blocks; scanning the inter blocks in the set of inter blocks in a scanning order; and for each of the inter blocks in the set of inter blocks: deriving a motion vector prediction candidate using the motion vector of the inter block; and determining whether a criterion is satisfied.

Abstract: A video coding method and apparatus for codes a video in a data stream using block-based predictive coding by deriving a collection of one or more primitive predictions for a block using a set of primitive prediction modes adapted for predicting blocks of a picture of the video. Each primitive prediction in the collection of primitive predictions is derived using a respective primitive prediction mode from the set of primitive prediction modes. A composite prediction signal for the block is composed by combining primitive predictions from the collection of one or more primitive predictions, and the block is predicted using the composite prediction signal.

Abstract: Disclosed herein is a method for receiving point cloud data, including receiving a bitstream containing the point cloud data, and decoding the point cloud data. Disclosed herein is a method for transmitting point cloud data, including encoding the point cloud data, and transmitting a bitstream containing the point cloud data.

Abstract: The present application relates to signaling of combined intra-inter prediction. A method for processing video includes: coding, during a conversion between a current video block in a video data and a bitstream representation of the current video block, a combined inter-intra prediction (CIIP) flag for the current video block by a context model based coding without referring to a CIIP flag of one or more neighboring video blocks to the current video block, and performing, at least by applying the combined inter-intra prediction (CIIP) flag of the current video block, the conversion.

Abstract: A method is provided for controlling a movable imaging assembly having a movable platform and an imaging device coupled to and movable relative to the movable platform. The method includes receiving user inputs that define an MIA position relative to a target and a frame position of the target within image frames captured by the imaging device. The user inputs include a horizontal distance, a circumferential position, and a horizontal distance that define the MIA position, and include a horizontal frame position and a vertical frame position that define the frame position. The method further includes predicting a future position of the target for a future time, and moving the MIA to be in the MIA position at the future time and moving the imaging device for the target to be in the frame position for an image frame captured at the future time.

Abstract: A method of encoding information about a motion information predictor, comprising: selecting one of a plurality of motion information predictor candidates; and encoding information for identifying the selected motion information predictor candidate using CABAC coding, wherein the CABAC coding comprises, for at least one bit of said information, using the same context variable used for another inter prediction mode when one or both of a Triangle Merge mode or a Merge with Motion Vector Difference (MMVD) Merge mode is used.

Abstract: A method of video processing includes performing a conversion between a video comprising a plurality of video layers and a bitstream of the video, wherein the bitstream comprises a plurality of output layer sets (OLSs), each of which comprises one or more of the plurality of video layers, and the bitstream conforms to a format rule, wherein the format rule specifies that, for a layer i, where i is an integer, the bitstream includes a set of first syntax element indicative of a first variable indicating whether the layer i is included in at least one of the plurality of OLSs.

Abstract: The present invention relates to the encoding and decoding of image information. According to the present invention, the decoding method comprises the steps of: entropy-decoding received information; performing inter prediction on a current block based on the entropy-decoded information; and restoring images by using the prediction results, wherein, in the inter prediction step, a skip mode or merge mode is applied to the current block and movement information of the current block may be determined based on the movement information of a neighboring block of the current block.

Abstract: An intra prediction method and device and a computer storage medium are provided. The intra prediction method includes that: a width-to-height radio of a present coding block and a width-to-height radio of a reference block are acquired, the reference block being a coding block correlated with the present coding block (S101); when the width-to-height radio of the present coding block is different from the width-to-height radio of the reference block, an angular replacement prediction mode corresponding to the reference block is adjusted to obtain a adjusted angular replacement prediction mode, the angular replacement prediction mode being an extended angular prediction mode under a wide-angle mode (S102); and a prediction mode list of the present coding block is constructed based on the adjusted angular replacement prediction mode for intra prediction of the present coding block (S103).

Abstract: An image encoding method may include acquiring image information including inter prediction mode information and residual information through a bitstream, generating residual samples based on the residual information, generating prediction samples of a current block by applying a prediction mode determined based on the inter prediction mode information, and generating reconstructed samples based on the prediction samples and the residual samples. Based on a CIIP mode being not enabled, a partitioning prediction mode in which prediction is performed by dividing the current block into two partitions being not enabled, a value of the first flag for a subblock merge mode being equal to 0 and a value of the third flag for a MMVD being equal to 0, the inter prediction mode information includes merge index information indicating one of merge candidates included in a merge candidate list generated for the regular merge mode.

Abstract: A generative adversarial network (GAN) may be implemented to recognize named entity types in detection of sensitive information in datasets. The GAN may include a generator and a discriminator. The generator may be trained to produce synthetic data to include information that simulates named entity types representing the sensitive information. The discriminator may be fed with real data that are known to include the sensitive information (as positive examples), together with the synthetic data that simulate the sensitive information (as negative examples), to train to classify the real vs. synthetic data. In field operations, the discriminator may be deployed to perform named entity type recognition to identify data having the sensitive information. The generator may be deployed to provide anonymous data in lieu of real data to facilitate sensitive information sharing and disclosure.

Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure is performed by an image decoding apparatus. The image decoding method comprises deriving a first flag specifying whether to perform weighted prediction on a current block and a weight index BcwIdx of bi-prediction with CU-level weight (BCW) for the current block, determining whether to perform default weighted prediction or explicit weighted prediction on the current block based on the first flag and BcwIdx, and generating a prediction block for the current block by performing the determined method.

Abstract: Disclosed herein are an image encoding method and an image decoding method. The image decoding method of the present disclosure may include reconstructing reference pixel line information, selecting, based on the reference pixel line information, at least one reference pixel line among a plurality of reference pixel lines, and generating a prediction block for a current block by performing intra prediction for the current block based on the selected reference pixel line.

Abstract: An apparatus for decoding video data includes a decoder configured to decode, from a bitstream, a syntax element indicating an intra-prediction type of a current block of the video data, and an intra-predictor configured to generate a prediction block for the current block by selectively performing matrix based intra-prediction (MIP) or regular intra-prediction based on the intra-prediction type of the current block indicated by the syntax element.

Abstract: Reference frame detection using sensor metadata, including: storing a plurality of first frames each corresponding to first metadata, wherein the first metadata for each first frame of the plurality of first frames is based on first sensor data from one or more sensors; generating a second frame corresponding to second metadata based on the one or more sensors; identifying, based on the first metadata of the plurality of first frames and the second metadata, a reference frame of the plurality of first frames; and encoding the second frame based on the reference frame.

Abstract: A method of video processing includes performing a conversion between a video comprising a plurality of video layers and a bitstream of the video, wherein the bitstream comprises a plurality of output layer sets (OLSs), each of which comprises one or more of the plurality of video layers, and the bitstream conforms to a format rule, wherein the format rule specifies that, for a layer i, where i is an integer, the bitstream includes a set of first syntax element indicative of a first variable indicating whether the layer i is included in at least one of the plurality of OLSs.

Abstract: Methods and apparatus for creating additional affine candidates. Virtual and temporal candidates are determined using neighboring spatial and temporal sub-blocks. The sub-blocks are examined in an order known to both an encoder and a decoder. Valid sub-blocks are used to compute an affine model. The candidates can be filtered and added to a candidate list conditionally based on various criteria. The candidates can be used to determine control point motion vectors and a motion flow field can be determined. Motion vectors for sub-blocks within a video coding block can be determined. Motion compensation can be performed using the improved affine candidates and encoding/decoding based on the improved affine motion compensation.

Abstract: An image decoding method includes obtaining image information including residual information and prediction-related information through a bitstream, deriving transform coefficients based on the residual information, generating residual samples for a current block based on the transform coefficients, deriving an intra prediction mode for the current block based on the prediction-related information, generating prediction samples for the current block based on the intra prediction mode, generating reconstructed samples for the current block based on the prediction samples and the residual samples, wherein the image information includes flag information related to whether an intra prediction mode type for the current block is a matrix-based intra prediction (MIP), wherein the intra prediction mode type for the current block is determined as the MIP based on the flag information, and wherein the prediction samples for the current block are generated based on MIP samples.

Abstract: A place shifting device and a method for operating the same are provided. The place shifting device, for example, may include, but is not limited to, a communication system configured to receive a plurality of sources of media, a multiplexed channel transcoder configured to multiplex video from at least two of the plurality of sources of media into a single channel, and a processor communicatively coupled to the communication system and the multiplexed channel transcoder, the processor configured to determine the at least two of the plurality of sources of media, transcode, via the multiplexed channel transcoder, the determined video from the at least two of the plurality of sources of media into the signal channel, and transmit, via the communication system, the single channel to a remote electronic device.