Lg Electronics Inc.

Samsung Electronics Co., Ltd.

Electronics and Telecommunications Research Institute

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Beijing Xiaomi Mobile Software Co., Ltd.

Rosedale Dynamics LLC

Vivo Mobile Communication Co., Ltd.

Xiaomi Inc.

New Power Plasma Co., Ltd.

Tcl King Electrical Appliances (huizhou) Co. Ltd.

Seunghwan Kim

Jaehyun Lim

Moonmo Koo

Seethal Paluri

Jin Seong Heo

Jie Zhao

Jangwon Choi

Mehdi Salehifar

Jungah Choi

Sunmi Yoo Yoo

Hendry Hendry

Ling Li

Junghak Nam

Hyeongmoon Jang

Naeri Park

Jane Zhao

Jaeho Lee

Yongkwan Lee

Moon Youn Jung

Sooyeul Lee

Jungjoo Kim

Jongho Park

Seon Hee Park

Hosaeng Kim

Hyeon-Bong Pyo

Kyung-Jong Lee

Dong-Ho Shin

Junwoo Park

Hyunggil Baek

Junyoung Oh

Jungdong Seo

Jeong Won Lee

Jae-Ho Lim

Sangsoo Kim

Jongwan Kim

Nam Soo Myung

Hyung Ju Park

Junga Lee

Kyonghwan Koh

Jaebong Chun

Kwang Hyo Chung

Soonho Hwang

Ji Wook Jeong

Jae Hun Choi

Sungkoo Park

Yong Won Jang

Hyung Wook Noh

Sewoong Kim

Yoon Seon Song

Joonho Byun

Hwang Woon Lee

Done Sik Yoo

Hwin Dol Park

Taeho Kim

Jongho Lee

Jinwoo Jung

Younghoon Kim

Jaehoon Jo

Sang Kyun Lee

Changkyu Choi

Yun Tae Kim

Hyunki Kim

Seong-Mok Cho

Shinho Yoon

Chang-Geun Ahn

Dong Hoon Song

Jonghoon Park

Young Ho Suh

Taeik Kim

Soo-Young Jang

Dongjun Oh

Yong-Seok Seo

Hyungjoon Kim

Sang Kwang Lee

Yangsoo Lee

Young-Suk Yoon

Seongeun Kim

Daewook Kim

Kyungjae Lee

Jeongwan Park

Jaewon Choe

Sangbong Sung

Nakchung Choi

Kyung-Jae Lee

Hongil Kwon

Heejun You

Moonsu Chang

Kyoungmok Kim

Seonil Kim

Kicheol Sung

Wonyoung Yoo

Chang Yong Ryu

Teain An

Seulhan Park

Jinho Hyeon

Jonghoon Kim

Myeongjun Kong

Seunghark Paek

Seung Hoon Nam

Seung-Hoon Chae

A method by which a decoding device decodes a video, according to the present document, can comprise the steps of: acquiring, from a bitstream, information that indicates the level value of a transform coefficient in a current block; deriving, on the basis of whether the number of context coded bins maximally usable for the transform coefficient is greater than or equal to a threshold value, a rice parameter for the information that indicates the level value of the transform coefficient; deriving, on the basis of the rice parameter, a bin string for the information that indicates the level value of the transform coefficient; and deriving the level value of the transform coefficient on the basis of the bin string.

Entropy coding method and device in video/image coding system

An image decoding method according to this document comprises a step of deriving, for transform coefficients, modified transform coefficients on the basis of inverse secondary transform, wherein: the step of deriving the modified transform coefficients may comprise a step of deriving a transform kernel to be applied to the inverse secondary transform; on the basis of both the horizontal and vertical lengths of a target block being greater than or equal to 8 and the horizontal or vertical length being 8, the transform kernel may be set to a 64×32 matrix; and on the basis of both the horizontal and vertical lengths of the target block being 8, a 64×16 matrix sampled from the 64×32 matrix may be applied to the inverse secondary transform of the target block.

Image coding method and apparatus therefor

A method for processing a video includes determining a horizontal transform type index for a horizontal transform kernel and a vertical transform type index for a vertical transform kernel of a transform block in the video signal, determining a transform region in which a significant transform coefficient exists in the transform block based on the horizontal transform type index, the vertical transform type index, and a size of the transform block, and applying inverse-transform to the transform region based on the horizontal transform type index and the vertical transform type index. A width of the transform region is determined based on a comparison between the horizontal transform type index and a reference value and a height of the transform region is determined based on a comparison between the vertical transform type index and the reference value.

Method for processing video signal by using transform, and apparatus therefor

Embodiments of the present invention provide video signal processing methods. A video signal encoding method according to an embodiment of the present invention comprises checking a transform block including residual samples except a prediction sample from a picture of the video signal, generating transform coefficients through a transform for the residual samples of the transform block based on a size of the transform block, and performing quantization and entropy coding the transform coefficients, wherein generating the transform coefficients includes, applying a forward primary transform to each of a horizontal direction and vertical direction of the transform block including the residual samples, and not applying a forward non-separable secondary transform to the transform block to which the primary transform has been applied when the size of the transform block is smaller than or equal to 4×4, and applying the forward non-separable secondary transform to the transform block when the size of the transform block is greater than 4×4.

Methods and apparatuses for processing video signal

A semiconductor package includes an interposer including an upper pad and an upper passivation layer partially covering the upper pad, a semiconductor chip disposed on the interposer, a conductor pattern disposed on the interposer, a guide pattern disposed on the interposer while including a main opening and at least one sub-opening connected to the main opening, a support disposed on the interposer while including a core portion and a peripheral portion surrounding the core portion, a lower surface of the support being disposed in the main opening of the guide pattern, an upper redistribution structure disposed on the semiconductor chip and connected to the conductor pattern and the guide pattern, and an encapsulant between the interposer and the upper redistribution structure. The encapsulant contacts an inner wall of the main opening, an inner wall of the at least one sub-opening and a side surface of the support.

Semiconductor packages having fixing members

An image decoding method according to the present document comprises the steps of: receiving an intra-MIP syntax element for a first target block; deriving the value of the intra-MIP syntax element; setting a variable MIP flag for the preset specific area, which is the same as the area of the first target block, on the basis of the value of the intra-MIP syntax element; deriving an intra-prediction mode of the second target block on the basis of the variable MIP flag; and deriving a prediction sample of the second target block on the basis of the intra-prediction mode of the second target block.

Image coding method and device therefor

According to the disclosure of the present document, image information acquired via a bitstream includes POC information, and a non-reference picture flag related to whether a picture is not used as a reference picture. A POC value of a current picture is derived on the basis of the POC information, and the POC information includes POC information of a previous picture in decoding order for the current picture. The previous picture in the decoding order for deriving the POC value of the current picture may be limited to a picture where a value of the non-reference picture flag is 0. Accordingly, an incorrect POC value can be prevented from being derived in video/image coding.

Image coding method based on POC information and non-reference picture flag in video or image coding system

An image decoding method performed by a decoding apparatus, according to the present document, comprises the steps of obtaining residual information for a current chroma block; obtaining CU chroma QP offset-related information for the current chroma block on the basis of the size and tree type of the current chroma block; deriving transform coefficients for the current chroma block on the basis of the residual information; deriving chroma QP for the current chroma block on the basis of the CU chroma QP offset-related information; deriving residual samples for the current chroma block by dequantizing the transform coefficients on the basis of the chroma QP; and generating a reconstructed picture on the basis of the residual samples.

Image decoding method using chroma quantization parameter, and apparatus therefor

An image decoding method performed by a decoding device according to the present document is characterized by comprising the steps of: acquiring image information including a Block-based Delta Pulse Code Modulation (BDPCM) available flag; and generating a reconstructed picture on the basis of the image information, wherein the BDPCM available flag relates to whether BDPCM is available for chroma and luma blocks.

Image decoding method and device for same

An image decoding method includes obtaining image information including prediction mode information from a bitstream, obtaining matrix-based intra prediction (MIP) flag information related to whether an MIP is applied to a current block based on the prediction mode information, deriving an MIP mode for the current block based on the MIP flag information, deriving an MIP matrix for the current block based on the MIP mode, generating MIP samples for the current block based on the MIP matrix, deriving reconstructed samples for the current block based on the MIP samples, wherein for the current block of which size is equal to 64x4, the MIP flag information for the current block is obtained from the bitstream, and wherein the MIP matrix is derived further based on a width and a height of the current block.

Matrix intra prediction-based image coding apparatus and method

A semiconductor package includes a package substrate including a base substrate including a redistribution layer, pads disposed on first and second surfaces of the base substrate and connected to the redistribution layer, and a protective layer having a mounting region in which first openings respectively exposing first pads among the pads and a second opening exposing second pads among the pads and a portion of the second surface are disposed on the second surface; a semiconductor chip disposed on the mounting region and connected to the pads through the first openings and the second opening; and a sealing material covering a portion of the semiconductor chip and extending into the second opening. Four first openings among the first openings are respectively disposed adjacent to respective corners of the mounting region. The second opening is disposed to divide the four first openings into at least two groups.

Package substrate and semiconductor package including the same

A decoding apparatus includes at least one processor configured to acquire image information including inter prediction mode information and residual information through a bitstream; generate residual samples based on the residual information; generate prediction samples of a current block by applying a prediction mode determined based on the inter prediction mode information; and generate reconstructed samples based on the prediction samples and the residual samples. The inter prediction mode information includes at least one of a first flag related to whether a subblock merge mode is applied, a second flag related to whether a regular merge mode is applied, a third flag related to whether a merge mode with motion vector difference (MMVD) is applied or a fourth flag related to whether a combined inter-picture merge and intra-picture prediction (CIIP) mode is applied.

Image decoding method comprising generating prediction samples by applying determined prediction mode, and device therefor

An image decoding method according to the present document comprises a step of deriving a corrected transform coefficient by applying low-frequency non-separable transform (LFNST) to a transform coefficient, wherein an LFNST set for applying the LFNST may be derived on the basis of an intra-prediction mode applied to the current block, and an LFNST matrix may be derived on the basis of the size of the current block and the LFNST set, the LFNST matrix derived as a 16×16 dimensional matrix if the width or the height of the current block is 4 and the width and the height are both 4 or greater, and the LFNST matrix derived as a 64×32 dimensional matrix if the width or the height of the current block is 8 and the width and the height are both 8 or greater. Therefore, coding performance capable of being brought by the LFNST can be maximized within the implementation complexity permitted in forthcoming standards.

Method and device for designing low-frequency non-separable transform

An image decoding method performed by a decoding device, according to the present document, comprises the steps of: obtaining image information through a bitstream; and generating a reconstructed picture on the basis of the image information.

Image decoding method and device therefor

According to one embodiment of the present specification, provided is an image decoding method performed by a decoding device. The method comprises the steps of: acquiring, from a bitstream, image information comprising information related to decoder-side intra mode derivation (DIMD); determining, on the basis of the information related to DIMD, whether DIMD is applied to a current block; deriving DIMD modes for the current block on the basis that DIMD is applied to the current block; and generating a prediction sample for the current block on the basis of the DIMD modes.

Method and device for intra prediction based on plurality of DIMD modes

Growing community of inventors

Seoul, South Korea

Seunghwan Kim