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

Vivo Mobile Communication Co., Ltd.

Ewha University-Industry Collaboration Foundation

Industry-Academic Cooperation 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

Jingyeong Kim

Taeil Chung

Sangchul Kim

Jaeho Lee

Jung Hak Nam

Hyeong Moon Jang

SeongMin Lee

Inho Choi

Nae Ri Park

Sungmin Song

Bumshik Lee

Kwangjin Lee

Choong Bin Yim

Joungin Yang

Medhi Salehifar

Sangoh Jeong

Younghwan Park

DongSam Park

KyuWon Lee

JiHoon Oh

SinJae Lee

Hyunjong Moon

JongVin Park

Sang Oh Jeong

Hyuntaek Choi

Byeong Moon Jeon

Taehyung Kim

Sehoon Yea

Eunyong Son

Jongwon Choi

Yun Seok Choi

Yonghoon Kim

Sangwook Han

Sung-Jun Lee

Joonhee Lee

Thomas Byunghak Cho

JinGwan Kim

Heeyoub Kang

Kyuwoon Kim

SangShin Han

SunYoung Chun

Je-Won Kang

Sayoon Kang

Dongha Lee

Soo Kyung Ryu

Gwangjin Lee

Yuntae Lee

Seoungwook Park

Beyongmoon Jeon

Dongsam Park

Min-Joo Kang

YongSeong Jeon

YoungJin Yun

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

A video decoding method according to the present document comprises the steps of: deriving transform coefficients by performing de-quantization on the basis of quantized transform coefficients for a target block; deriving modified transform coefficients on the basis of an inverse reduced secondary transform (RST) of the transform coefficients; and generating a reconstructed picture on the basis of residual samples for the target block on the basis of an inverse primary transform of the modified transform coefficients, wherein an inverse RST using a transform kernel matrix is performed on transform coefficients of an upper-left 4×4 region of an 8×8 region of the target block, and modified transform coefficients of the upper-left 4×4 region, an upper-right 4×4 region, and a lower-left 4×4 region of the 8×8 region are derived through the inverse RST.

Video coding method based on secondary transform, and device therefor

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

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 encoding/decoding apparatus and method are provided. An image decoding method performed by an image decoding apparatus according to the present disclosure may comprise deriving a motion shift of a current block using motion information of a neighboring block of the current block, determining a collocated block of the current block using the motion shift, deriving a motion vector for at least one control point (CP) of the determined collocated block, and deriving at least one control point motion vector (CPMV) of the current block using the motion vector for the at least one CP.

Image encoding/decoding method and device using affine TMVP, and method for transmitting bit stream

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

A firmware update method includes requesting a hardware security module (HSM) to store version information of a current firmware stored in a flash memory and storing, by the HSM, the version information of the current firmware. The firmware update method also includes erasing the flash memory when the version information of the current firmware is stored by the HSM and writing new downloaded firmware to the flash memory; verifying an integrity of the new firmware. The firmware update method further includes requesting the HSM to sense downgrade of the new firmware when the integrity is verified. The firmware update method additionally includes determining, by the HSM, whether the firmware is downgraded by comparing the stored version information and the version information of the new firmware. The firmware update method also includes confirming a reprogramming success when it is determined that the firmware is not downgraded by the HSM.

Firmware update method and apparatus for a MCU of a vehicle

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Seoul, South Korea

Jaehyun Lim