Tencent Technology (shenzhen) Company Limited

Tsinghua University

Huawei Technologies Co., Limited

Other

Beijing Boe Technology Development Co., Ltd.

Boe Mled Technology Co., Ltd.

Liqiang Wang

Jigang An

Jianhua Zheng

Yun He

Jian Zheng

Yongbing Lin

Quanhe Yu

Ye Hu

Zhentao Wang

Xincheng Xiang

Litao Li

Xiaojing Guo

Chunming Tan

Yibin Huang

Zhifang Wu

Jing Wang

Lingyun Shi

Tao Li

Lili Wang

Haiwei Sun

Chao Liu

Zhenyu Xu

Ming Zhai

Wa Ye

Xin Huang

Zheng Wang

Shan Liu

Jingjing Zhang

Jicheng An

Yong Lin

Dacheng Zhuo

Henghui Lu

Xiaozhong Xu

Hongyang Wang

Sha Feng

Mengsha Zhou

Jianliang Ma

Mingming Jia

Jiandong Lin

Cunjin Li

Zeqi Lian

Rui Tang

Weifeng Zhu

Yadi Xiao

Haixia Rao

Ximing Liu

Haifeng Wu

Yifei Huang

Yingchao Liu

Peng Cong

Chengwei Lin

Yanmin Zhang

Jianmin Tong

Kangyi Lin

Weidong Qiu

Yuai Zhang

Jichen Miao

Guilai Xing

Junxian Zhang

Yisi Liu

Gongzheng Shi

Benben Niu

Ziwei Wei

A video encoding method includes: decoding a target coding unit to obtain a quantization coefficient matrix corresponding to the target coding unit; determining first reference information according to a quantization coefficient in the quantization coefficient matrix; obtaining a value of a target flag bit corresponding to the first reference information, the target flag bit being a flag bit of a target sub-block position, the target sub-block position being a position of a sub-block that requires processing of residual data in a coding unit; and determining the target sub-block position of the target coding unit according to the value of the target flag bit. A flag bit of a sub-block transform position or a transform skip sub-block position in a target coding unit is implicitly indicated using a quantization coefficient in a quantization coefficient matrix corresponding to a coding unit.

Video encoding method and apparatus, video decoding method and apparatus, and device

A display module includes a display panel with a plurality of bonding electrodes arranged at intervals along a selected side edge of a non-display surface and divided into two bonding electrode groups, a first flexible circuit board and a second flexible circuit board. For the first flexible circuit board, each first conductive contact piece in a first wiring region is connected to a bonding electrode in a first bonding electrode group. For the second flexible circuit board, each second conductive contact piece in a second wiring region is connected to a bonding electrode in a second bonding electrode group. The first wiring region is closer to the selected side edge than the second wiring region in a first direction. The first fan-out region is spaced apart from the second wiring region in a second direction perpendicular to the first direction.

Display module and method for manufacturing the same, and display device

A deep learning-based filtering method includes obtaining a reconstructed image of luma component corresponding to an encoded image and chroma component information corresponding to the encoded image; generating an input parameter of a deep learning filter according to the reconstructed image of luma component and the chroma component information; and generating, based on the input parameter to the deep learning filter, a filtered image corresponding to the reconstructed image of luma component.

Filtering method and apparatus, computer-readable medium, and electronic device

A picture filtering method includes determining encoding information of a picture, the encoding information comprising classification information indicating one of an intra encoding mode or an inter encoding mode of the picture. The method further includes inputting the picture and the classification information indicating one of the intra encoding mode or the inter encoding mode into a general filtering model trained using deep learning, and obtaining a filtered picture based on the filtering model performing filtering on the picture based on the encoding information.

Filtering differently coded frames by a general filtering model based on deep learning

A video decoding method includes obtaining a size of a coding block of a video image frame, and decoding a bitstream of the coding block to obtain a value of a range variable associated with a SRCC scan region of the coding block. The range variable includes a width range variable and a height range variable. Each of the width range variable and the height range variable are obtained by comparing a prefix value to one or more predefined value intervals. The method further includes determining a horizontal coordinate of boundary coordinates of the SRCC scan region according to a difference between the width of the coding block and the width range variable and determining a vertical coordinate of the boundary coordinates of the SRCC scan region according to a difference between the height of the coding block and the height range variable.

Coding efficiency of boundary coordinates of SRCC scan region

A video encoding method includes: determining current coefficients to-be-decoded in a coding block of a video image frame; obtaining a flag combination corresponding to the current coefficients, the flag combination including at least two coefficient absolute level threshold flags; decoding the coefficient absolute level threshold flags in the flag combination to obtain values of the coefficient absolute level threshold flags; and determining the coefficient absolute levels of the current coefficients according to the values of the coefficient absolute level threshold flags.

Video encoding and decoding method and apparatus based on non-zero coefficient absolute level, computer-readable medium, and electronic device

A video decoding method includes performing entropy decoding processing on a code block of a video image frame of a video image frame sequence, to obtain a quantization coefficient block of residual data corresponding to the code block; collecting statistics of quantization coefficients in a target region in the quantization coefficient block, to obtain a quantization coefficient statistical value; selecting a transform matrix combination corresponding to the quantization coefficient statistical value; and performing inverse transform processing on an inverse quantization result of the quantization coefficient block based on the selected transform matrix combination, to obtain reconstructed residual data, the reconstructed residual data being used for video image reconstruction.

Video decoding method and apparatus, computerreadable medium, and electronic device

A video encoding method includes: acquiring a coding block of a video image frame; determining a partitioning mode available to the coding block according to a size of the coding block and an allowable maximum sub-block size ratio in response to a determination that sub-block transform (SBT) is to be performed on the coding block; determining, based on the partitioning mode available to the coding block, a target partitioning mode used during the SBT performed on the coding block; and partitioning the coding block based on the target partitioning mode, and decoding a plurality of sub-blocks obtained through the partitioning.

Video decoding method, apparatus, and computer-readable medium with sub-block transform partitioning

A video decoding method includes: performing entropy decoding processing on an encoding block of a video image frame to obtain a quantized coefficient block of residual data corresponding to the encoding block; calculating quantization coefficients in the quantized coefficient block to obtain an implicitly derived index value; determining a transformation mode of the encoding block according to the implicitly derived index value and a value of an index identifier included in the encoding block; and performing inverse transformation processing on an inverse quantization result of the quantized coefficient block based on the transformation mode of the encoding block.

Video decoding method, video encoding method, and related apparatuses

Provided are a video encoding method and apparatus, a video decoding method and apparatus, a computer-readable medium, and an electronic device, The video decoding method includes: decoding a coded block of a video image frame to obtain a target intra prediction mode corresponding to the coded block (); in response to the target intra prediction mode belonging to a set of specified intra prediction modes, updating statistical values of the set of specified intra prediction modes, a number of the set of specified intra prediction modes being less than a total number of intra prediction modes (); updating a most probable intra prediction mode list according to the updated statistical values of the set of specified intra prediction modes (); and decoding another coded block of the video image frame based on the updated most probable intra prediction mode list (). The technical solutions of the embodiments of this disclosure can reduce the hardware implementation cost while improving the encoding and decoding performance.

Video encoding method and apparatus, video decoding method and apparatus, computer-readable medium, and electronic device

An image processing method includes displaying a first key frame image obtained from a sequence frame video stream; obtaining a first foreground image and a first background image obtained after foreground and background separation processing is performed on the first key frame image; obtaining a second foreground image obtained after foreground image processing is performed on a first target object in the first foreground image; obtaining a third background image obtained after background repair processing is performed on the first background image using a second background image, where the second background image is a background image included in a second key frame image obtained by photographing a target scene before the first key frame image is obtained; and obtaining a first key frame image obtained after foreground and background compositing processing is performed on the second foreground image and the third background image.

Image processing method and electronic device to improve an image compositing effect

Wax melting lamp

A video decoding method includes: performing entropy decoding on a coding block of a video image frame to obtain a quantization coefficient block of residual data corresponding to the coding block; inversely quantizing the quantization coefficient block to obtain an inverse quantization coefficient matrix; inversely rearranging the inverse quantization coefficient matrix to obtain a processed coefficient matrix, non-zero coefficients in the processed coefficient matrix being concentrated in left, upper and upper left regions of the coefficient matrix; and generating the residual data according to the processed coefficient matrix.

Video decoding method, video coding method, and related apparatus

Candle warmer lamp

Embodiments of this application relate to the video coding and compression field, and disclose an encoding method and apparatus, and a decoding method and apparatus, to resolve a problem that an existing split mode cannot satisfy a relatively complex texture requirement. The decoding method specifically includes: parsing a bitstream to determine a basic split mode for a current to-be-decoded picture block and a target derivation mode for a subpicture block of the current to-be-decoded picture block; splitting the current to-be-decoded picture block into N subpicture blocks in the basic split mode, where N is an integer greater than or equal to 2; deriving one derived picture block from at least two adjacent subpicture blocks in the N subpicture blocks in the target derivation mode; and decoding the derived picture block.

Encoding method and apparatus, and decoding method and apparatus

Growing community of inventors

Beijing, China

Liqiang Wang