Lg Electronics Inc.

Samsung Electronics Co., Ltd.

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Beijing Xiaomi Mobile Software Co., Ltd.

Stats Chippac Pte. Ltd.

Rosedale Dynamics LLC

Xiaomi Inc.

Other

Nokia Technologies Oy

Vivo Mobile Communication Co., Ltd.

Ewha University-Industry Collaboration Foundation

Chosun University

Hyundai Autoever Corporation

Hyundai Motor Corporation

H Cell, Inc.

Jaehyun Lim

Seunghwan Kim

Moonmo Koo

Yongjoon Jeon

Seungwook Park

Joonyoung Park

Byeongmoon Jeon

Jungsun Kim

Naeri Park

Mehdi Salehifar

Younghee Choi

Junghak Nam

Jaewon Sung

Hendry Hendry

Chulkeun Kim

Jin Seong Heo

Hyeongmoon Jang

Jangwon Choi

Sunmi Yoo Yoo

Jungah Choi

Ling Li

Jungdong Seo

Seethal Paluri

Seung Hwan Kim

Jie Zhao

Jaeho Lee

Jung Hak Nam

Hyeong Moon Jang

SeongMin Lee

Inho Choi

Nae Ri Park

Sangoh Jeong

Younghwan Park

Byeong Moon Jeon

Taehyung Kim

Sehoon Yea

Eunyong Son

Jongwon Choi

Jinho Park

Jingyeong Kim

Taeil Chung

Sangchul Kim

Sungmin Song

Bumshik Lee

Kwangjin Lee

Choong Bin Yim

Joungin Yang

Medhi Salehifar

DongSam Park

KyuWon Lee

JiHoon Oh

SinJae Lee

Hyunjong Moon

JongVin Park

Sang Oh Jeong

Hyuntaek Choi

Yonghoon Kim

Yun Seok Choi

Sangwook Han

Sung-Jun Lee

Joonhee Lee

Thomas Byunghak Cho

JinGwan Kim

Heeyoub Kang

Kyuwoon Kim

Subin Kim

SangShin Han

SunYoung Chun

Sayoon Kang

Je-Won Kang

Dongha Lee

Soo Kyung Ryu

Gwangjin Lee

Seoungwook Park

Yuntae Lee

YoungJin Yun

Beyongmoon Jeon

YongSeong Jeon

Dongsam Park

Min-Joo Kang

Joongwon Jeon

Jiwon Oh

An image decoding method performed by a decoding device includes: obtaining image information including prediction-related information from a bitstream; determining whether combined inter-picture merge and intra-picture prediction (CIIP) is applied to a current block, on the basis of the prediction-related information; deriving a prediction sample of the current block on the basis of it being determined that the CIIP is applied to the current block; and generating a reconstructed sample of the current block on the basis of the prediction sample, wherein the prediction sample of the current block is derived on the basis of an intra prediction sample and an inter prediction sample, wherein the intra prediction sample is derived on the basis of an intra prediction mode, wherein the intra prediction mode is derived on the basis of a decoder side intra mode derivation (DIMD) mode or a template-based inter mode derivation (TIMD) mode.

CIIP-based prediction method and device

An image decoding method performed by means of a decoding device according to the present disclosure comprises the steps of: deriving transform coefficients of a target block from a bitstream; deriving a non-separable secondary transform (NSST) index with respect to the target block; performing inverse transform with respect to the transform coefficients of the target block on the basis of the NSST index and thus deriving residual samples of the target block; and generating a reconstructed picture on the basis of the residual samples.

Image coding method on basis of non-separable secondary transform and device therefor

A method for decoding an image by a decoding device according to the present document comprises the steps of: receiving prediction-related information of a current block; deriving an intra prediction type of the current block on the basis of the prediction-related information; forming an intra prediction mode candidate list of the current block on the basis of intra prediction modes of blocks neighboring the current block; deriving an intra prediction mode of the current block on the basis of the intra prediction mode candidate list; and deriving reference samples of the current block on the basis of the intra prediction type and the intra prediction mode, and deriving a prediction sample on the basis of the reference samples.

Method and device for decoding image by using intra prediction mode candidate list in image coding system

Embodiments in the present specification provide a method and device for processing video signal including steps of: obtaining a sub-block transform (SBT) flag indicating whether a SBT is applied, wherein the SBT represents a transform applied to a transform unit corresponding to one of subblocks split from a coding unit; determining a variable value related to a transform target region based on the SBT flag and a size value of the transform unit, wherein if the SBT flag equals to 1 and the size value is greater than a threshold value, the variable value is determined as the threshold value; obtaining position information of a last significant coefficient according to a scan order within the transform unit, wherein the position information of the last significant coefficient is coded based on the variable value; and performing an inverse-transform based on the position information of the last significant coefficient.

Method and device for processing video signal

An image decoding method according to the present document comprises a step of deriving POC values for the current picture and reference pictures on the basis of POC information, wherein the POC information includes a maximum LSB value of POC, information about the reference pictures includes a non-reference picture flag related to whether a picture is not used as a reference picture, the value of the non-reference picture flag of the previous picture used for deriving the POC value of the current picture is zero, and the difference between the POC values of the current picture and the previous picture is less than half of the maximum LSB value of POC.

Image coding method and device therefor

An image decoding method according to the present document comprises a step of applying an inverse primary transform to a transform coefficient so as to derive residual samples for a current block, wherein: the inverse primary transform is performed on the basis of an MTS index received from a bitstream; the MTS index is parsed on the basis of an effective coefficient not existing in a second area that excludes the left top first area of the current block; and the first area is a left top 16×16 area of the current block.

Image coding method based on transform, and device therefor

An image information decoding method performed by means of a decoding device according to the present invention comprises the steps of: decoding a non-separable secondary transform (NSST) index from a bitstream if NSST is applied to a target block; decoding information relating to transform coefficients with respect to the target block from the bitstream on the basis of the decoded NSST index; and deriving the transform coefficients with respect to the target block on the basis of the decoded information relating to the transform coefficients, wherein the NSST index is decoded prior to the information relating to the transform coefficients with respect to the target block.

Image coding method on basis of secondary transform and device therefor

An image decoding method, which is performed by a decoding device according to the present document, is characterized by including: a step for receiving a bitstream including residual information about the current block; a step for deriving a maximum value of the number of context-encoding bins for context syntax elements coded on the basis of context included in the residual information; a step for entropy-decoding the context syntax elements on the basis of the maximum value; a step for deriving conversion coefficients for the current block on the basis of the entropy-decoded context syntax elements; a step for deriving a residual sample for the current block on the basis of the conversion coefficients; and a step for generating a reconstructed picture on the basis of the residual sample for the current block.

Image decoding method and device using residual information in image coding system

Embodiments in the present specification provide a video signal processing method and device. A method of processing a video signal according to an embodiment in the present specification comprises the steps of: acquiring an intra-prediction mode for a current block from the video signal; determining a modified intra-prediction mode from the intra-prediction mode for the current block on the basis of the width and height of and the intra-prediction mode for the current block; and applying a transform determined on the basis of the modified intra-prediction mode. The accuracy of prediction can be further improved by deriving a modified intra-prediction mode according to a wide-angle intra-prediction mode according to the shape of and an intra-prediction mode for a current block.

Method and device for processing video signal based on modified intra-prediction

An image decoding method performed by a decoding device according to the present disclosure comprises the steps of: receiving a bitstream including prediction information for a current block; deriving a chroma array type for the current block on the basis of a separate color plane flag indicating whether three color components are separately coded and a chroma format index indicating a chroma format sampling structure for the current block, which are included in the prediction information for the current block; deriving prediction samples for the current block on the basis of the derived chroma array type; and deriving reconstructed samples for the current block on the basis of the prediction samples.

Method and device for signaling information on chroma format

A deblocking filtering method, a boundary strength (bS) deriving method, and encoding/decoding method and apparatus using the methods are provided. The bS deriving method includes the steps of: deriving a boundary of a deblocking filtering unit block which is a unit block on which deblocking filtering is performed; and setting a bS for each bS setting unit block in the deblocking filtering unit block. Here, the step of setting the bS includes setting a bS value of a target boundary corresponding to the boundary of the deblocking filtering unit block as the bS setting unit block.

Method and apparatus for encoding/decoding image information

A method of updating firmware by a flash bootloader includes: storing current version information included in a trailer block of firmware stored in a flash memory, the firmware including the trailer block and a header block; erasing a sector in which the header block is located while maintaining a sector in which the trailer block is located in the flash memory; writing a header block of a new firmware to be downloaded in the flash memory; determining, by comparing current version information of the new firmware in the written header block and the stored current version information, whether the firmware is to be downgraded; and, in response to determining that the firmware is not to be downgraded, erasing a sector in which the trailer block is located from the flash memory, and writing a trailer block of the new firmware in the flash memory.

Firmware update method of a flash bootloader in a micro controller unit for a vehicle

An inter predication method is provided. The method includes: generating a merging candidate list of a block to be predicted and corresponding to a current prediction unit (PU); deriving motion information of the block to be predicted, on the basis of one of a plurality of merging candidates constituting the merging candidate list; and performing a prediction on the block to be predicted, on the basis of the derived motion information, to generate a prediction block corresponding to the current PU.

Inter prediction method and apparatus therefor

An image decoding method according to the present document may comprise the steps of: if a current block is partitioned into sub-partition transform blocks, deriving a prediction sample of the current block on the basis of intra prediction mode information; determining an LFNST set including LFNST matrices on the basis of an intra prediction mode derived from the intra prediction mode information; selecting one of the LFNST matrices on the basis of the LFNST set and the LFNST index; deriving transform coefficients for the sub-partition transform blocks on the basis of the selected LFNST matrix; and deriving residual samples for the current block on the basis of the transform coefficients.

Transform-based image coding method, and device therefor

The present invention relates to a method and apparatus for processing a video signal, which can increase the accuracy of the motion vector prediction through motion vector scaling which takes a difference in the temporal distance between reference pictures into consideration. To this end, the present invention provides a video signal processing method and a video signal processing apparatus using the same, and the method comprises the steps of: scaling at least one neighboring partition motion vector for a motion vector prediction of the current partition; scaling the neighboring partition motion vector, which has been selected, when the reference picture of the neighboring partition motion vector is different from the reference picture of the current partition; acquiring a motion vector prediction value of the current partition using the scaled motion vector; and acquiring a motion vector of the current partition using the motion vector prediction value.

Method and apparatus for processing video signal

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Seoul, South Korea

Jaehyun Lim