Beijing Bytedance Network Technology Co., Ltd.

Bytedance Inc.

Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Lemon Inc.

Hfi Innovation Inc.

Hitachi, Ltd.

Baidu Online Network Technology (beijing) Co., Ltd.

Hefei Boe Optoelectronics Technology Co., Ltd.

Petrochina Company Limited

Stmicroelectronics (beijing) R&d Company Ltd.

Institute of Urban Safety and Environmental Science, Beijing Academy of Science and Technology

National Institutes for Food and Drug Control

Na Zhang

Kai Zhang

Li Feng Zhang

Hongbin Liu

Yue Wang

Zhipin Deng

Yang Wang

Jing Wang

Jizheng Xu

Bin Zhang

Wei Li

Jian-Liang Lin

Yi-Wen Chen

Jicheng An

Yuwen He

Yu Wang

Li Wang

Hiroki Ikeda

Zhiyong Yang

Li Zhang

Jie Xiang

Yang Liu

Zhiliang Jiang

Zhen Wang

Peng Li

Zhenhua Zhang

Chao Wang

Xi Wang

Chang Liu

Fei Chen

Kai Chen

Pan Zhao

Liwei Huang

Yu-Lin Chang

Xue Jiang

Yu Du

Yan Shi

Jianhua Guo

Chao Fu

Zhengwei Zhu

Xinglong Chen

Wei Yao

Ding Ding

Shihua Huang

Kaimin Wang

Jiazhong Wu

Dianjie Hou

Haishui Han

Zhihong Cui

Dexiong Song

Lele Han

Jianguo Xu

Ling Guo

Wenbo Yang

Shuzhen Yang

Xuemei Deng

Youhui Liu

Zhizhen Xu

Xiaohui Ji

Baoqian Dai

Mushui Shu

Shuo Xiang

Yan Dou

Pengyao Zhou

Shibing Yuan

Haijiao Li

Zhonglin Lu

Xin Zhu

Xiangxiang Wu

Jing Xiong

Lan He

A mechanism and method for processing video data is disclosed. The video processing method includes determining whether to enable a second partitioning scheme for coding of a current video unit according to a rule. The method includes performing a conversion between a video media data and a bitstream based on the rule.

Duplicate partitioning prevention

A mechanism for processing video data implemented by a video coding apparatus is disclosed. The mechanism determines to apply template-based intra mode derivation (TIMD) to a block based on whether the block is dyadic or non-dyadic, where TMID is associated with intra prediction. A conversion between a visual media data and a bitstream is performed by applying intra prediction to the block based on TIMD.

Intra-prediction on non-dyadic blocks

A method for processing video data is disclosed. The method includes determining a width (w) and a height (h) of a coding group based on a width (W) and a height (H) of a block that is non-dyadic and contains residual, processing the residual of the block in unit of the coding group, and performing a conversion between a visual media data and a bitstream according to a rule based on the processing.

Residual coding on non-dyadic blocks

Systems, methods, apparatus for video processing are described. A video processing method includes determining, for a conversion between a current block of a video and a bitstream of the video, whether or which a partitioning scheme is enabled for coding of the current block according to a rule, and performing the conversion based on the determining. The rule is based on one or more neighboring blocks of the current block.

Neighbor based partitioning constraints

Systems, methods, and an apparatus for video processing are described. A video processing method includes determining an application of a partitioning scheme to a video block positioned at a boundary of a video unit based on a rule, and performing a conversion between a visual media data and a bitstream based on the application of the partitioning scheme to the video block.

Boundary handling for coding tree split

Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: applying, during a conversion between a target block of a video and a bitstream of the target block, a processing procedure to at least one motion candidate in a motion candidate list; reordering the motion candidate list by applying a first reordering process to the motion candidate list after the processing procedure; and performing the conversion based on the reordered motion candidate list.

Method, apparatus, and medium for video processing

The present application relates to harmonization between different video process mode. A method for processing video includes: determining, during a conversion between a first block in a video data and a bitstream representation of the first block, one or more coded modes of one or more second blocks; determining, based on the one or more coded modes of the one or more second blocks, a coded mode constraint of the first block; and performing, at least by applying the coded mode constraint of the first block, the conversion; wherein the one or more second blocks comprise at least one of an adjacent block, a non-adjacent block, and a reference block of the first block.

Harmonization between different video process mode

Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a current video block of a video and a bitstream of the video, a cost based on at least two error metrics associated with two target blocks of the video, the cost indicting a degree of distortion between the two target blocks; refining coding data of the current video block based on the cost and the two target blocks; and performing the conversion based on the refined coding data. Compare with the conventional solution, the proposed method can advantageously improve the coding quality and the coding efficiency.

Method, device, and medium for video processing

A mechanism for processing video data is disclosed. An Unsymmetric Binary Tree (UBT) partition of a parent block is determined to create two sub-blocks with different dimensions. At least one of the sub-blocks comprises a side that is non-dyadic. A conversion is performed between a visual media data and a bitstream based on the sub-blocks.

Unsymmetric binary tree partitioning and non-dyadic blocks

A mechanism for processing video data implemented by a video coding apparatus is disclosed. The mechanism determines whether a block is dyadic or non-dyadic. The mechanism also enables a coding tool associated with inter prediction when the block is determined to be dyadic. The mechanism also disables the coding tool when the block is determined to be non-dyadic. A conversion between a visual media data and a bitstream is performed by applying inter prediction to the block.

Inter-prediction on non-dyadic blocks

The disclosure relates to the technical field of experimental detection. A portable experimental device for hazardous chemical and an experimental method thereof are provided. The technical scheme of the disclosure integrates hazardous chemicals information and data of a portable meeting-water air release test device data to construct a perfect hazardous chemicals database, and realizes rapid prediction and response to a fire scene through scene data collection, preprocessing and matching. The scene data of the portable device is received and processed, and is compared with the database information, the random forest model is used to train the chemical reaction prediction model, and the real-time detection data is predicted to obtain the second prediction result. and the test experimental results are shared to each mobile terminal in time to realize the rapid transmission and sharing of information.

Portable experimental device for hazardous chemical and experimental method thereof

Devices, systems and methods related to management of syntax flags with respect chroma formats in video processing are described. In one representative aspect, a video decoding method includes determining, for a conversion between a video and a coded representation of the video, whether a syntax element associated with an adaptive loop filtering (ALF) operation for a chroma component of the video is included in the coded representation based on a condition. The method also includes performing the conversion according to the determining.

Adaptive loop filtering for chroma components

Example implementations include methods, apparatuses and computer storage media for video processing. One example method comprises determining, during a conversion between a current video block of a video and a bitstream of the video, a motion candidate for the current video block; refining the motion candidate by performing a local search around the motion candidate based on a template matching cost rule; and performing the conversion based on the refined motion candidate, wherein a search order of the local search is related to a coding mode of the current video block.

Motion candidate derivation with search order and coding mode

Implementations of the present disclosure provide a solution for reordering merge candidates. In this solution, during a conversion between a current video block of a video and a bitstream of the video, a template matching cost associated with each of a plurality of candidates of motion information for the current video block is determined. The template matching cost is determined based on a first difference between a set of neighboring samples of the current video block and a set of reference samples corresponding to the set of neighboring samples, and a second difference between a set of reconstructed samples neighboring to the set of neighboring samples and the set of reference samples. The set of reference samples is determined based on motion information indicated by a respective candidate. Then, the plurality of candidates of motion information is reordered based on the template matching cost.

Coding of motion information

A cylinder porous cylinder, a gas flow control valve, and a mounting method for the gas flow control valve. The porous cylinder () includes a plurality of pipe bundles filled inside the pipe. A single flow passage is formed in each of the pipe bundles, such that a seepage passage is formed inside the pipe. The inner diameter, length and permeability of the pipe bundle are determined in advance based on a Reynolds number smaller than 2300. The porous cylinder () is capable of implementing a stable gas flow in a gas injection channel. The valve body () of the gas flow control valve () is provided therein with a plurality of tubular passages arranged in sequence along the horizontal direction of the valve body. The tubular passages include a pipe flow passage () and a plurality of seepage passages (). The porous cylinder () is mounted in each of the seepage passages (). A plurality of connection channels () are provided in the valve cap. One end of each of the connection channels () communicates with the interior of each of the tubular passages, and the other end of each of the connection channels () is provided respectively with a valve stem. The opening and closing of the plurality of tubular passages are controlled by the valve stem, thus regulating the output ratio of the injected gas. In addition, a mounting method for the gas flow control valve is further provided.

Gas flow control valve and mounting method for gas flow control valve

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Beijing, China

Na Zhang