Abstract: A method for video processing includes applying a sub-block residual coding scheme to a current video block, wherein the residual of the current video block is split into a plurality of sub-blocks each having a size of M*N, determining at least one sub-block with non-zero coefficients based on characteristic associated with each of the plurality of sub-blocks; coding the residue of the current video block based on the derived at least one sub-block with non-zero coefficients.

Abstract: Techniques for video processing, including video coding, video decoding and video transcoding are described. One example method includes performing a conversion between a video picture that includes one or more tiles and one or more rectangular slices and a bitstream of the video according to a rule. The rule specifies that, for iteratively determining information about the one or more rectangular slices, a variable indicating a tile index is updated only for slices having indices that are smaller than a value equal to a number of slices in the video picture minus 1.

Abstract: This application provides a random access method and a communications apparatus. The method includes: determining at least one random access preamble from at least one 2-step random access preamble, or determining one type of random access preamble from at least one 2-step random access preamble and at least one 4-step random access preamble, and performing random access by using the determined random access preamble. According to the application, the terminal device can determine a type of random access to be performed, thereby reducing an access latency.

Abstract: The invention relates generally to recombinant human sialidases and recombinant sialidase fusion proteins, wherein the sialidase optionally contains one or more mutations compared to wild-type human sialidase, e.g., a substitution, deletion, or addition of at least one amino acid. The invention also provides antibody conjugates including a sialidase and an antibody or a portion thereof. The invention further relates to methods of using the sialidase fusion proteins or antibody conjugates for treating cancer.

Abstract: Embodiments of the present disclosure provide a solution for point cloud coding. A method for point cloud coding is proposed. The method comprises: determining, during a conversion between a current frame of a point cloud sequence and a bitstream of the point cloud sequence, a capturing laser which captures a node of the current frame, the node representing a spatial partition of the current frame; and performing the conversion based on the capturing laser.

Abstract: Embodiments of the present disclosure provide a solution for point cloud coding. A method for point cloud coding is proposed. The method comprises: determining, during a conversion between a current frame of a point cloud sequence and a bitstream of the point cloud sequence, at least one neighbor list comprising a set of neighbor points of a current point of the current frame based on geometry information of the set of neighbor points; and performing the conversion based on the at least one neighbor list. Compared with the conventional solution, the proposed method can advantageously improve the point cloud coding efficiency and coding quality.

Abstract: Technologies are shown for mapping micro-video hashtags to content categories that involve collecting content categories from a content service, collecting micro-video, hashtags and user interaction semantic data from a micro-video service, determining a correlation of a content category to the micro-video, hashtags and user interaction semantic data using a multi-layer graph convolution network, and providing the hashtags correlated with the content category to the content service. The correlation can be determined by processing the semantic data with a concatenation layer and a full connected layer to produce a user-specific micro-video and hashtag representations. Similarity scores for determining correlation can be calculated from category content and a dot product of the representations.

Abstract: Embodiments of the present disclosure provide a solution for point cloud coding. A method for point cloud coding is proposed. The method comprises: performing a conversion between a current point cloud frame of a point cloud sequence and a bitstream of the point cloud sequence, a first slice in the current point cloud frame being directly depended upon by no more than a single dependent slice.

Abstract: The present invention discloses a water-saving dynamic water outlet device, which comprising a base, an inclined water body, a swinging water assembly, an impeller assembly and a driving assembly, the inclined water body is connected with the base to form a cavity, the cavity is provided with a water outlet, the impeller assembly is arranged in the cavity, and the driving assembly can drive the swinging water assembly to swing in a reciprocating manner under the driving of the impeller assembly; the swinging water assembly is installed on the base and can swing in the base, a water passing chamber is formed in the swinging assembly, and a water passing port is formed in the side face of the swinging assembly, the water outlet is communicated with the water passing port through a communicating channel, and the plane where the water outlet is located and the plane where the water outlet is located are arranged non-parallel.

Abstract: Restrictions on number of context coded bins are described. A method for video processing includes applying, for a conversion between a video and a bitstream representation of the video, control on maximum number of context coded bins per predetermined unit which is associated with the video; and performing the conversion based on the control.

Abstract: A method of video processing is described. The method of video processing includes: constructing, for a conversion between a current video block of a current picture of a video and a coded representation of the video, a history-based motion vector predictor (HMVP) table according to a rule, and performing the conversion using the HMVP table, wherein the current video block is coded in the coded representation using a block vector that represents a displacement between the current video block and a region in the current picture used for predicting the current video block; wherein the rule specifies that the constructing uses block vector information of previously processed video blocks in the HMVP table.

Abstract: A method for video processing is provided to include determining, for a conversion between a current video block of a video and a coded representation of the video, whether an intra block copy (IBC) mode in which a prediction block for the current video block is calculated based on a block vector in a picture that includes current video block is enabled based on a rule on a block dimension; and performing the conversion based on the determining.

Abstract: The present invention provides a piezoelectric sensor and an electronic device including the piezoelectric sensor. The piezoelectric sensor includes a piezoelectric ceramic layer having a first surface and a second surface, a first metal shrapnel mounted on the first surface, and a second metal shrapnel mounted on the second surface. A first cavity is formed between the first metal shrapnel and the piezoelectric ceramic layer and a second cavity is formed between the second metal shrapnel and the piezoelectric ceramic layer. The piezoelectric sensor further includes a first damping member located in the first cavity and a second damping member located in the second cavity. The second damping member is arranged symmetrically with the first damping member. The piezoelectric sensor and electronic device of the present invention can reduce the internal stress of the piezoelectric ceramic layer, thereby improving the reliability of the piezoelectric sensor.

Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: determining, during a conversion between a video unit of a video and a bitstream of the video, a first reference area for intra block copy (IBC) of the video unit based on a second reference area for intra template matching, the video unit being applied with an IBC mode; determining a block vector for the video unit in the first reference area; and performing the conversion based on the block vector.

Abstract: The rotation shaft structure includes a main shaft assembly, and two folding assemblies that are symmetrically disposed with respect to the main shaft assembly. The two folding assemblies may rotate toward or against each other relative to the main shaft assembly. When the folding assembly is specifically disposed, the folding assembly includes a rotation assembly, a support plate, and a housing mounting bracket. The rotation assembly is rotationally connected to the main shaft assembly. The support plate is rotationally connected to the housing mounting bracket and slidably connected to the rotation assembly.

Abstract: A multidentate phosphite ligand is used in the catalytic synthesis of adiponitrile. The ligand is represented by the following general formula (I). The method of catalytic synthesis of adiponitrile comprises primary hydrocyanation, isomerization, and secondary hydrocyanation reactions, wherein the catalyst adopted each comprises a phosphite ligand-nickel complex composed of a nickel precursor and a multidentate phosphite ligand. The ligand molecule has a higher electron cloud density, and the phosphorus content capable of participating in coordination in the ligand molecule per unit mass is higher, so that the catalytic activity of the catalyst is improved, and the amount of the catalyst is reduced.

Abstract: Interaction between screen content coding tools and motion information is disclosed. A method of video processing includes modifying, for a conversion between a block of a video and a bitstream representation of the block, at least one of motion information associated with the block which is coded with intra block copy (IBC) mode; and performing the conversion based on the modified motion information.

Abstract: Adaptive resolution change and scalable coding for screen contents are described. One example is a method for video processing, comprising: determining, for a conversion between a picture or a video and a bitstream representation of the picture or the video, whether the picture or the video is native resolution based on an indication included in the bitstream representation; and performing the conversion based on the determination.

Abstract: A method includes performing a conversion between a video unit of a video and a bitstream of the video. The bitstream conforms to a format rule. The format rule specifies that a syntax element indicating whether an in-loop filtering operation is performed across slice boundaries is selectively included in the bitstream based on whether or how the video unit is partitioned into slices.

Abstract: Embodiments of the present disclosure provide a data processing method, device and storage medium, by obtaining time series data of multiple indicators for which causal relationship is to be analyzed; clustering the multiple indicators according to probability distributions of the time series data of the multiple indicators; analyzing causal connection relationships and connection directions between each of the indicators based on clustering result to construct a causal relationship network structure; obtaining conditional probability tables of each of the indicator nodes in the causal relationship network structure according to the time series data of the multiple indicators; and obtaining Bayes Belief Networks according to the causal relationship network structure and the conditional probability tables of each of the indicator nodes, to represent the causal relationships between each of the indicators.