Lg Electronics Inc.

Electronics and Telecommunications Research Institute

Samsung Electronics Co., Ltd.

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

Junyoung Oh

Jungdong Seo

Jeong Won Lee

Junwoo Park

Hyunggil Baek

Jae-Ho Lim

Nam Soo Myung

Jongwan Kim

Hyung Ju Park

Kyonghwan Koh

Jaebong Chun

Kwang Hyo Chung

Sangsoo Kim

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

Junga Lee

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

Sang Kwang Lee

Hyungjoon Kim

Yangsoo Lee

Young-Suk Yoon

Seongeun Kim

Daewook Kim

Jaewon Choe

Jeongwan Park

Kyung-Jae Lee

Hongil Kwon

Sangbong Sung

Heejun You

Moonsu Chang

Kyoungmok Kim

Kyungjae Lee

Seonil Kim

Kicheol Sung

Wonyoung Yoo

Chang Yong Ryu

Nakchung Choi

Teain An

Seulhan Park

Myeongjun Kong

Jinho Hyeon

Jonghoon Kim

Seunghark Paek

Seung Hoon Nam

Seung-Hoon Chae

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

An image decoding method according to the present document comprises the steps of: deriving transform coefficients through inverse 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) for the transform coefficients; and generating, on the basis of an inverse primary transform for the modified transform coefficients, a restoration picture based on residual samples for the target block, wherein the modified transform coefficients derived according to the inverse RST are two-dimensionally arranged according to the order of a row priority direction or a column priority direction according to an intra prediction mode to be applied to the target block.

Image coding method based on secondary transform, and device therefor

Embodiments of the present disclosure provide a method and apparatus for processing a video signal. A method for decoding a video signal according to an embodiment of the present disclosure includes obtaining a sub-block transform (SBT) flag indicating whether an SBT is applied, wherein the SBT represents a transform applied to one of sub-blocks split from a coding unit, determining a transform unit from the coding unit based on the SBT flag, determining a size value of the transform unit as a first reference value if DST-7 (Discrete Sine Transform type 7) or DCT-8 (Discrete Cosine Transform type 8) is applied and the size value of the transform unit is greater than the first reference value and less than a third reference value and determining the size value as a second reference value if DCT-2 (Discrete Cosine Transform type 2) is applied and the size value is equal to or greater than the third reference value, wherein the third reference value is greater than the second reference value and the second reference value is greater than the first reference value, obtaining transform coefficients based on the size value, and performing an inverse transform on the transform coefficients. A data processing time and the amount of data necessary for a transform can be reduced by performing coding in consideration of a region reduced according to a block size.

Method for processing image on basis of transform and device therefor

An image decoding method according to the present document comprises the steps of: receiving a bitstream including residual information; deriving a quantized transform coefficient for a current block on the basis of the residual information included in the bitstream; deriving a residual sample for the current block on the basis of the quantized transform coefficient; and generating a restoration picture on the basis of the residual sample for the current block, wherein the residual information includes position information for indicating the position of a transform coefficient, which is not the last 0 in a transform block, and the position information can be derived if a transform skip is not applied to the transform block.

Transform coefficient coding method and device

A semiconductor package includes; a package substrate, a semiconductor chip on the package substrate, an electromagnetic shield structure on the package substrate and including an upper cover covering an upper surface of the semiconductor chip and a side cover surrounding the semiconductor chip, and a sealing member contacting the semiconductor chip and the electromagnetic shield structure, wherein the side cover includes first through holes and the upper cover includes second through holes.

Semiconductor package including electromagnetic shield structure

An image decoding method performed by a decoding device according to the present document is characterized by comprising the steps of: acquiring a block-based delta pulse code modulation (BDPCM) available flag about whether a BDPCM is available for a chroma block and a luma block; acquiring, on the basis of the BDPCM available flag, a BDPCM luma flag about whether to apply the BDPCM to the current luma block; and acquiring, on the basis of the BDPCM available flag, a BDPCM chroma flag about whether to apply the BDPCM to the current chroma blocks.

BDPCM-based image decoding method for luma component and chroma component, and device for same

An image decoding method executed by a decoding apparatus according to the present document comprises the steps of: deriving an intra prediction mode of the current chroma block by means of cross-component linear model (CCLM) mode; deriving downsampled luma samples on the basis of the current luma block; deriving downsampled neighboring luma samples on the basis of neighboring luma samples of the current luma block; and deriving the CCLM parameter on the basis of the downsampled neighboring luma samples and neighboring chroma samples of the current neighboring chroma block, wherein the number of down-sampled neighboring luma samples and number of neighboring chroma samples are equal to the previously set thresh-hold value, and the thresh-hold value is derived on the basis of the width and height of the current chroma block.

CCLM prediction-based image decoding method and apparatus in image coding system

Disclosed are a device and a method for anomaly detection of a gas sensor. The device includes a measuring unit that extracts a characteristic of a gas supplied from the outside, generates data based on the extracted characteristic, and outputs the data, and a data processing unit that receives the data, determines whether an error occurs in the data, and outputs an anomaly detection result based on a result of determining whether the error occurs in the data. The measuring unit performs a calibration operation or an environment adjusting operation before extracting the characteristic, and the data processing unit determines whether the error occurs in the data, based on machine learning.

Device and method for anomaly detection of gas sensor

An image decoding method according to the present document may comprise the steps of: receiving image information including residual information and an LFNST index from a bitstream; deriving a transform coefficient on the basis of the residual information; deriving a flag variable related to whether LFNST is applied to a current block on the basis of the LFNST index; and performing the LFNST on the basis of the flag variable and the transform coefficient, wherein the flag variable is derived for each color component of the current block.

Image coding method and device therefor

A video decoding method performed by a decoding apparatus according to the present document may comprise the steps of: obtaining, from a bitstream, information indicating a level value of a transform coefficient in a current block; selecting one Rice parameter look-up table for the information indicating the level value of the transform coefficient, from among a plurality of Rice parameter look-up tables; deriving a Rice parameter for the information indicating the level value of the transform coefficient on the basis of the selected Rice parameter look-up table; deriving a bin string for the information indicating the level value of the transform coefficient on the basis of the Rice parameter; and deriving the level value of the transform coefficient on the basis of the bin string.

Method and apparatus for coding transform coefficient in video/image coding system

A video decoding method according to the present document comprises a step of deriving a modified transform coefficient, and the step of deriving the transform coefficient may comprise the steps of: determining whether an LFNST can be applied to the height and width of a current block on the basis of the tree type and color format of the current block; parsing an LFNST index if the LFNST can be applied; and deriving the modified transform coefficient on the basis of the LFNST index and an LFNST matrix.

Transform-based video coding method, and device therefor

A video decoding method according to the present document is characterized by comprising: a step for deriving transform coefficients through inverse quantization on the basis of quantized transform coefficients for a target block; a step for deriving modified transform coefficients on the basis of an inverse reduced secondary transform (RST) of the transform coefficients; and a step for 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 the inverse RST using a transform kernel matrix is performed on transform coefficients of the upper-left 4×4 region of an 8×8 region of the target block, and the modified transform coefficients of the upper-left 4×4 region, upper-right 4×4 region, and lower-left 4×4 region of the 8×8 region are derived through the inverse RST.

Video coding method on basis of secondary transform, and device for same

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Seunghwan Kim