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 context modeling and multiple transform matrix selection, are described. An exemplary method for video processing includes determining, for a conversion between a current video block of a video and a bitstream representation of the video, that an indication of a transform type in a multiple transform selection (MTS) operation is excluded from the bitstream representation, and wherein the current video block is coded using an intra block copy mode, and performing the conversion, wherein the indication is in a sequence parameter set, a picture parameter set, a tile group header, a slice header, a picture header, a tile header, a coding tree unit row, or a video data unit, and wherein the MTS operation includes using a transform from a plurality of predefined transform candidates for transforming a prediction error of the current video block during the conversion.

Abstract: A method for video processing is provided. The method includes determining, for a conversion between a current video block of a video that is a chroma block and a coded representation of the video, multiple sets of parameters, wherein each set of parameters defines a cross-component linear model (CCLM) and is derived from a corresponding group of chroma samples at corresponding chroma sample positions; determining, based on the multiple sets of parameters, parameters for a final CCLM; and performing the conversion based on the final CCLM.

Abstract: A method of processing video data includes determining that a non-linear adaptive loop filtering operation is applied for a current video region of a video; deriving a first filtering index for the current video region and deriving a first filtering parameter based on the first filtering index; deriving a first clipping parameter from a clipping parameter set based on the first filtering index; performing a clipping operation that is part of the non-linear adaptive loop filtering operation based on the first clipping parameter, where the first clipping parameter is used to clip differences between reference sample values of a current sample value of the current video region and the current sample value before applying the first filtering parameter; and performing a conversion between the current video region and a bitstream of the video based on the non-linear adaptive loop filtering operation.

Abstract: An orthopedic surgical robot system; the orthopedic surgical robot system comprises: a robotic arm (10), a distal end (170) of the robotic arm (10) being used for providing a locked working point (O) for the orthopedic surgical robot system; a multi-link mechanism (20), wherein the multi-link mechanism (20) comprises: a first link (210), the first link (210) being coupled to the distal end (170) of the robotic arm (10); and a second link (220), a proximal end of the second link (220) being connected to the first link (210) in a movable manner, so that the movement of the second link (220) relative to the first link (210) provides the orthopedic surgical robot system with a locked working plane relative to the locked working point (O); a bone saw (30), the bone saw being coupled to the distal end of the second link (220) and operable in the locked working plane; and a control system (40), the control system (40) being coupled to the robotic arm (10), and controlling, on the basis of a basic control amount of t

Abstract: Disclosed in the present invention is an optimized cell transplant. The optimized cell transplant is formed by performing gene induction and modification on a mesenchymal stem cell in the form of a small molecule and protein composition. The expression levels of CD200 gene, Galectin-9 gene and VISTA gene can be increased synchronously after cell culture. Vector virus infection and plasmid transfection are not required in the cell preparation process, so that high biological safety and great clinical application value of cells are achieved.

Abstract: A first device receives first information from a second device, where the first information indicates a plurality of first moments, the plurality of first moments are used by the first device to send second information to the second device, and the second information indicates a result of decoding first data information by the first device. The first device decodes the first data information. The first device sends the second information to the second device at a first feedback moment, where the first feedback moment is a moment in the plurality of first moments.

Abstract: A method of video processing is described. The method includes determining, for a conversion between a current video block of a video unit of a video and a coded representation of the video, a default intra prediction mode for the video unit coded using a certain intra prediction mode such that a prediction block of the current video block is generated without extrapolating neighboring pixels of the current video block along a direction; and performing the conversion based on the determining.

Abstract: Methods, devices, and systems related to video processing are disclosed. In one example aspect, a method of video processing includes performing a conversion between a block of a current picture of a video and a coded representation of the video using an intra-subblock partitioning (ISP) mode. A prediction is determined for each sub-partition using an intra-prediction process based on samples in the current picture using the ISP mode. The block is partitioned into multiple sub-partitions including a first sub-partitions having a same top-left corner position as a top-left corner position of the block.

Abstract: Devices, systems and methods for palette mode coding are described. An exemplary method for video processing includes performing a conversion between a block of a video and a bitstream representation of the video. The bitstream representation is processed according to a format rule that specifies a first indication of usage of a palette mode and a second indication of usage of an intra block copy (IBC) mode are signaled dependent of each other.

Abstract: A video processing method is provided to include determining, for a current video block of a video, a final prediction block for the current video block by refining one or more initial predictions for the current video block using an optical flow calculation based on a gradient of initial prediction samples according to a precision rule; and performing a conversion between the current video block and a coded representation using the final prediction block, wherein the optical flow calculation includes a prediction refinement with optical flow (PROF) procedure or a bi-directional optical flow (BDOF) procedure, wherein the precision rule specifies to use a same precision for representing the gradient for both the PROF procedure and the BDOF procedure.

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: Provided are a display panel and a display device. The display panel includes a base substrate as well as, at a side of the base substrate, a plurality of sub-pixels arranged in an array, a power bus, a plurality of first power lines extending along a column direction and a plurality of second power lines extending along a row direction, where each of the plurality of first power lines is electrically connected to the plurality of the sub-pixels arranged along the column direction, and the plurality of first power lines and the plurality of second power lines are electrically connected in overlapping regions of vertical projection on the base substrate. The display panel further includes a plurality of connection units.

Abstract: Devices, systems and methods for digital video process are described. An exemplary method for video processing includes performing a conversion between a current video block of a video and a coded representation of the video, wherein the performing of the conversion includes determining, based on a width (W) and/or a height (H) of the current video block, an applicability of a secondary transform tool to the current video block, and wherein the secondary transform tool includes applying, during encoding, a forward secondary transform to an output of a forward primary transform applied to a residual of a video block prior to quantization, or applying, during decoding, an inverse secondary transform to an output of dequantization of the video block before applying an inverse primary transform.

Abstract: Various methods and systems are provided for accelerated image rendering with motion compensation. In one embodiment, a method comprises calculating motion between a preceding image frame and a target image frame to be rendered, rendering a small image with a size smaller than a target size of the target image frame based on the calculated motion, and generating the target image frame at the target size based on the small image, the calculated motion, and a reference image frame. In this way, high-quality image frames for a video stream may be generated with a reduced amount of rendering for each frame, thereby reducing the overall processing resources dedicated to rendering as well as the power consumption for image rendering.

Abstract: An aluminum borate whisker reinforced and toughened non-metallic matrix composite is provided, which specifically includes a non-metallic material reinforced and toughened with aluminum borate whiskers. The composite exhibits a higher bending strength and fracture toughness and a higher wear resistance. A method for preparing the composite is also provided. The method includes mixing the aluminum borate whiskers and the non-metallic material to form a mixture; and sintering the mixture by a vacuum hot press method, or molding the mixture.

Abstract: A method for video processing includes 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: A port departure service processing method, apparatus and system. The method includes: determining the current master control system for executing a port departure service; during the process of executing the port departure service, if an error is detected in operating data of the current master control system, switching the unfinished port departure service to another normally operating system so as to continue execution; if the execution of the port departure service is not completed and after it is detected that the operating data of the current master control system returns to normal, switching to the current master control system to continue to execute the remaining port departure service; and after switching from the current master control system to the other system or switching from the other system back to the current master control system, correcting inconsistent data before and after switching.

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.