Abstract: A method of processing video data. The method includes down-sampling a video unit of a video prior to application of a super resolution (SR) process and performing a conversion between the video including the video unit and a bitstream of the video based on the video unit as down-sampled. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.

Abstract: Embodiments of the present disclosure provide a method for point cloud coding. The method comprises: classifying, during a conversion between a current frame of a point cloud sequence and a bitstream of the point cloud sequence, a target point in the current frame into a first set of classes based on a second set of thresholds, the number of thresholds in the second set being larger than the number of classes in the first set; and performing the conversion based on the classification. Compared with the conventional solution, the proposed method can advantageously improve the accuracy of global motion estimation and coding quality.

Abstract: A video processing method includes determining information included in a bitstream that indicates whether down-sampling is performed on a video unit, and performing a conversion between the video unit and the bitstream based on the bitstream.

Abstract: A mechanism for processing video data implemented by a video coding apparatus is disclosed. The mechanism determines to split a coding tree unit (CTU) into one or more coding units (CUs). One or more of the CUs may be one or more prediction tree units (PTUs). The mechanism further determines to recursively split the CUs into prediction units (PUs). The method performs a conversion between a visual media data and a bitstream based on the PUs.

Abstract: An isolated nucleic acid, a plasmid or viral vector thereof and a pharmaceutical composition thereof, and a method for treating a disease. The nucleic acid and the vector comprise at least one RNA fragment capable of inhibiting gene expression and/or a targeting tag having a targeting function, can be delivered into a host body, are enriched in an organ tissue of a host, and are self-assembled to form and secrete an exosome and target a target tissue, thereby treating the disease.

Abstract: A microfluidic chip for analyte detection, which is provided with a liquid storage tank (121), the liquid storage tank (121) is internally provided with a through hole I (141), one opening of the through hole I is located in the liquid storage tank, and the liquid in the liquid storage tank passes through the through hole I to bypass the outer boundary (12511) of the portion where the inner surface of the liquid storage tank contacts the sealing member, thereby avoiding leakage due to a possible gap in a sealed position when the liquid flows through the sealed position. At the same time, the design can reduce the processing precision requirement, save cost, etc.

Abstract: A method of processing video data. The method includes applying a super resolution (SR) process to a video unit at a level of an SR unit, where the SR unit includes more than one pixel of the video unit, and performing a conversion between a video comprising the video unit and a bitstream of the video based on the SR process as applied. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.

Abstract: Embodiments of the present disclosure provide a method for video processing. The method comprises: determining, during a conversion between a current video block of a video and a bitstream of the video, at least one target intra prediction mode for the current video block based on neighboring reconstructed samples of the current video block; determining a prediction or a reconstruction of the current video block based on a combination of the at least one target intra prediction mode and one of an inter coding tool or a candidate coding tool, the candidate coding tool being used for determining a reference block for the current video block with samples in a current picture associated with the current video block; and performing the conversion based on the prediction or the reconstruction of the current video. Compare with conventional solutions, the proposed method can advantageously improve coding efficiency and coding quality.

Abstract: A method of processing video data. The method includes applying different super resolution (SR) processes to different sub-regions of a video unit, and performing a conversion between a video including the different regions of the video unit and a bitstream of the video based on the different SR processes as applied. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.

Abstract: One example method of video processing includes implementing, by a processor, a decoder-side motion vector derivation (DMVD) scheme for motion vector refinement during a conversion between a current video block and a bitstream representation of the current video block by deriving parameters based on a deriving rule. The conversion may include compressing the current video block into the bitstream representation or uncompressing the bitstream representation into pixel values of the current video block.

Abstract: The present invention relates to a group of pyrrolo[2,1-f][1,2,4]triazine derivatives serving as selective HER2 inhibitors and an application thereof in the preparation of a drug that serves as an HER2 inhibitor. Specifically, the present invention relates to a compound represented by formula (I), an isomer thereof or a pharmaceutically acceptable salt thereof.

Abstract: A method of video processing includes maintaining tables, wherein each table includes a set of motion candidates and each motion candidate is associated with corresponding motion information; and performing a conversion between a first video block and a bitstream representation of a video including the first video block based on at least some of tables, the performing including checking motion candidates in a table in an order defined in a rule until a checking termination criteria is met.

Abstract: A method of video processing includes determining, for a conversion between a current video block of a video and a bitstream of the video, that the current video block is coded with a geometric partitioning mode. The method further includes deriving at least one refined motion vector (MV) for the current video block by adding at least one motion vector difference (MVD) of multiple MVDs signaled or derived for the current video block to a MV derived from a merge candidate associated with the current video block. The MV being associated with an offset distance and/or an offset direction. The method further includes performing the conversion based on the refined MV.

Abstract: A video processing method includes performing a conversion between a video including one or more pictures and a bitstream of the video. The bitstream conforms to a format rule specifying that one or more syntax elements indicative of coding information are selectively included in a picture parameter set of the bitstream responsive to whether it is indicated that each picture referring to the picture parameter set includes a single slice.

Abstract: Devices, systems and methods for using zero-units in video and image coding are described. In a representative aspect, a method for processing video, including: determining, for a conversion between a block of the video and a bitstream of the video, that the block is a zero-unit (ZU) block based on at least one of the dimensions being a non-power-of-two number, wherein no transform and inverse-transform operations are performed on the block; performing the conversion based on the determination.

Abstract: A mechanism for processing video data is disclosed. A determination is made to apply an end-to-end neural network-based video codec to a current video unit of a video. The end-to-end neural network-based video codec comprises a spatial-temporal adaptive compression (STAC) component including a frame extrapolative compression (FEC) branch and an image compression branch. A conversion is performed between the current video unit and a bitstream of the video via the end-to-end neural network-based video codec.

Abstract: A method for visual media processing, including: using a rule that specifies representing, based on a fixed value, a chroma residual scaling factor for at least one chroma block associated with a current video unit of visual media data, wherein the fixed value is based at least on one or more conditions; and performing a conversion between the current video unit and a bitstream representation of the current video unit.

Abstract: Embodiments of the present disclosure provide a method for point cloud coding. The method comprises: determining, during a conversion between a point cloud sequence and a bitstream of the point cloud sequence, an information unit for a current sample of the point cloud sequence and at least one parameter value, the information unit being obtained by coding the current sample with the at least one parameter value, the at least one parameter value being absent from the information unit; and performing the conversion based on the information unit and the at least one parameter value. Compared with the conventional solution, the proposed method can advantageously improve coding efficiency.

Abstract: A method and an apparatus for processing a service request, and a storage medium are provided. The method includes: determining a target time period based on a time instant when a first server is switched to a second server; acquiring log data in the target time period; acquiring a first service request and a second service request; determining whether the first service request is associated with the second service request; determining, in a case that the first service request is associated with the second service request, whether an operation object of the first service request is same as an operation object of the second service request; and determining, in a case that the operation object of the first service request is different from the operation object of the second service request, that the operation object of the second service request is incorrect.