Beijing Bytedance Network Technology Co., Ltd.

Bytedance Inc.

International Business Machines Corporation

Lemon Inc.

Beijing Xiaomi Mobile Software Co., Ltd.

Chinese Academy of Sciences

Huawei Technologies Co., Limited

Lenovo (beijing) Limited

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

Beijing Zitiao Network Technology Co., Ltd.

Beijing Didi Infinity Technology and Development Co., Ltd.

Yokogawa Electric Corporation

Baidu USA LLC

Kyndryl, Inc.

Beijing University of Technology

Yue Wang

Kai Zhang

Li Feng Zhang

Hongbin Liu

Jizheng Xu

Weijia Zhu

Zhipin Deng

Na Zhang

Yang Wang

Xin Peng Liu

Wei Wu

Li Zhang

Jingjing Xue

Hsiao Chiang Chuang

Yingnan Liu

Liang Wang

Wenlong Rao

Jing Jing Wei

Kui Fan

Zheng Li

Da Li Liu

Jing Xing

Ye-Kui Wang

Gang Tang

Dong Jun Zong

Jian F Zhang

Shuo Li

Xin Li

Yuwen He

Peng Hui Jiang

Xiaobo Wang

Qi Liu

Siwei Ma

Tiejun Wang

Yue Chen

Jun Yang

Qi Feng Huo

Jiahao Li

Yu Zhang

Ming Wang

Zhen Zhang

Sheng Yan Sun

Jian Nan Guo

Li Liu

Yue He

Yi Zhao

Qi Zheng

Peng Fei Tian

Wei Gong

Jia Wang

Liang Lu

Yongyi Sun

Wen Rui Zhao

Shu Chao Wan

Shiqi Wang

Xiaolu Wang

Hai Jun Xu

Yi Yang Ren

Jaehong Chon

Wen Tao Zhang

Wei Zhang

Fan Zhu

Qiang Wang

Dong Wang

Li Long Chen

Xiao Ling Chen

Yu Meng Li

Fan Yang

Yang Yang

Yu Liu

Wei Zhao

Jing James Xu

Shuo Zhang

Yong Wang

Lei Zhang

Chihjen Cheng

Hao Jia Li

Xin Xu

Yongping Zhang

Beidou Xi

Lei He

Juan Liu

Jun Lu

Chao Zhou

Yuyao Wang

Chengfa Wang

Liang Rong

Xue Wang

Xue Fei Duan

Hao Wang

Yun Ma

Ze Zhang

Junping Wang

Juan Li

Yan Feng

Jun Tang

Ling Lan

Xiong Zhao

Xuan Huang

Gaifan Li

A method of visual media processing includes determining whether to use an affine adaptive motion vector resolution (AMVR) technique on visual media data relying on a control information related to the affine AMVR technique in a bitstream representation of the visual media data, wherein the control information is included or excluded from the bitstream representation based on a rule; and performing a conversion between the visual media data and the bitstream representation of the visual media data.

Syntax signaling in sub-block merge mode

An example method of video processing includes determining, for a conversion between a current picture of a video and a coded representation of the video, a position of a reference sample in a reference picture that is associated with the current picture based on a top-left position of a window of a picture. The picture includes at least the current picture or the reference picture, and the window is subject to a processing rule during the conversion. The method also includes performing the conversion based on the determining.

Deriving reference sample positions in video coding

Described are techniques for providing a ready status for network connections to remote services. The techniques include monitoring network connectivity between a server and a plurality of remote services, where the server exposes the plurality of remote services to at least one application, and the server and the at least one application are hosted on a cluster of nodes managed by a container orchestration system. The techniques further include assigning to the server, based on the network connectivity between the server and the remote service, a ready status for each remote service in the plurality of remote services exposed by the server to the at least one application, where the ready status indicates a readiness of the server to provide network connections between the remote service and the at least one application.

Indicating ready statuses for network connections to remote services

Devices, systems and methods for applying intra-block copy (IBC) in video coding are described. In general, methods for integrating IBC with existing motion compensation algorithms for video encoding and decoding are described. In a representative aspect, a method for video encoding using IBC includes determining whether a current block of the current picture is to be encoded using a motion compensation algorithm, and encoding, based on the determining, the current block by selectively applying an intra-block copy to the current block. In a representative aspect, another method for video encoding using IBC includes determining whether a current block of the current picture is to be encoded using an intra-block copy, and encoding, based on the determining, the current block by selectively applying a motion compensation algorithm to the current block.

Interaction between IBC and affine

Methods, systems and devices for video coding using sample string vectors are described. An example method of video processing includes determining, for a conversion between a video including a current block and a bitstream of the video, an availability of a block vector of one or more non-adjacent neighboring blocks of the current block for a prediction of a block vector of the current block according to a rule, and performing, based on the determining, the conversion, wherein the rule specifies a pre-defined order for checking the one or more non-adjacent neighboring blocks.

Video coding using sample string vector

Device, methods, and systems that enable the interaction of merge list construction with other tools and methods in video coding are described. An exemplary method for video processing includes determining, based on a first threshold, a maximum number of history-based motion vector prediction (HMVP) candidates to be checked in a table, making a decision regarding a selective checking of a number of the HMVP candidates in an order, the number of the HMVP candidates checked not exceeding the maximum number of HMVP candidates, constructing, based on the decision, a motion candidates list, and performing, based on the motion candidates list, a conversion between a current block and a bitstream representation of the current block.

Interaction between merge list construction and other tools

Devices, systems and methods for video processing are described. In a representative aspect, there is disclosed a method for video processing, including: determining, for a current video block, whether a first partition mode is applicable to the current video block in responsive to at least one condition, wherein the current video block is split into M sub-blocks in the first partition mode, and M>4; and performing a conversion for the current video block based on the determination.

Condition dependent video block partition

A method for implementing an adaptive color transform (ACT) during image/video encoding and decoding, includes determining, for a conversion between a video including a block and a bitstream of the video, that a size of the block is greater than a maximum allowed size for an ACT mode, and performing, based on the determining, the conversion, wherein, in response to the size of the block being greater than the maximum allowed size for the ACT mode, the block is partitioned into multiple sub-blocks, and wherein each of the multiple sub-blocks share a same prediction mode, and the ACT mode is enabled at a sub-block level.

General constraints information for video coding

The present disclosure relates to interaction between intra block copy mode and inter prediction tools. A method for video processing includes determining that an intra block copy (IBC) mode is applied to a current video block of a video. In the IBC mode, at least one reference picture used by the current video block is a current picture where the current video block is located. The method also includes making a decision regarding a disabling of a specific coding mode for the current block. The specific coding mode uses a motion vector and a non-current picture to derive a prediction of a video block. The method further includes performing, based on the decision, a conversion between the current video block and the bitstream representation.

Interaction between Intra Block Copy mode and inter prediction tools

A method of visual media processing includes determining a size of a buffer to store reference samples for prediction in an intra block copy mode; and performing a conversion between a current video block of visual media data and a bitstream of the current video block, using the reference samples stored in the buffer, wherein the conversion is performed in the intra block copy mode which is based on motion information related to a reconstructed block located in same video region with the current video block without referring to a reference picture.

Buffer resetting for intra block copy in video coding

A video processing method includes determining, for a conversion between a block of a video and a bitstream representation of the video, that a secondary transform with a reduced dimension dimension (e.g., an inverse low frequency non-separable transform) is applicable to a single sub-block of the block in case a dimension of the block satisfies a condition. The secondary transform is performed between a forward primary transform and a quantization step or between a de-quantization step and an inverse primary transform. The reduced dimension is reduced from a dimension of the block. The method also includes performing the conversion based on the determining.

Use of secondary transform in coded video

A video processing method includes performing a conversion between a video block of a video and a bitstream of the video according to a rule. The rule specifies whether or how usage of a secondary transform within a video unit is indicated in the bitstream. The secondary transform is applied before quantization or after de-quantization.

Coded video processing using enhanced secondary transform

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.

Decoder side motion derivation based on processing parameters

The disclosure relates to improvement on HMVP table. A method for processing video includes: maintaining, during a conversion between a current block of visual media data and a corresponding coded representation of the visual media data, a table storing history based motion vector prediction (HMVP) candidates which include motion information based on previously coded blocks; performing the conversion of the current block at least based on the table, wherein the table is of a HMVP table size which depends on one or more motion candidate lists, and the HMVP table size is a maximum number of candidates stored in the table.

HMVP table improvements

A method of video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video using a coding tool that accesses samples outside of the current block, that neighboring samples used for the conversion are unavailable. Samples that are located across a boundary of a video unit of the video are considered as unavailable samples. The method also includes performing, based on the determining, the conversion by padding samples in place of the neighboring samples that are unavailable. The padding samples are determined using samples that are restricted to be within a current processing unit associated with the current block.

Padding process at unavailable sample locations in adaptive loop filtering

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Beijing, China

Yue Wang