KR102544545B1 - 비-제로 계수들의 위치를 표현하는 방법 및 장치 - Google Patents

비-제로 계수들의 위치를 표현하는 방법 및 장치 Download PDF

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KR102544545B1
KR102544545B1 KR1020220127679A KR20220127679A KR102544545B1 KR 102544545 B1 KR102544545 B1 KR 102544545B1 KR 1020220127679 A KR1020220127679 A KR 1020220127679A KR 20220127679 A KR20220127679 A KR 20220127679A KR 102544545 B1 KR102544545 B1 KR 102544545B1
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South Korea
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block
sub
coefficient
coefficients
subblock
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KR1020220127679A
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English (en)
Korean (ko)
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KR20220140676A (ko
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임정연
신재섭
이선영
손세훈
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에스케이텔레콤 주식회사
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Priority claimed from KR1020170114516A external-priority patent/KR102453811B1/ko
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Publication of KR20220140676A publication Critical patent/KR20220140676A/ko
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
KR1020220127679A 2017-07-31 2022-10-06 비-제로 계수들의 위치를 표현하는 방법 및 장치 KR102544545B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020170097270 2017-07-31
KR20170097270 2017-07-31
KR1020170114516A KR102453811B1 (ko) 2017-07-31 2017-09-07 비-제로 계수들의 위치를 표현하는 방법 및 장치

Related Parent Applications (1)

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KR1020170114516A Division KR102453811B1 (ko) 2017-07-31 2017-09-07 비-제로 계수들의 위치를 표현하는 방법 및 장치

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KR20220140676A KR20220140676A (ko) 2022-10-18
KR102544545B1 true KR102544545B1 (ko) 2023-06-16

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KR1020220127675A KR102544530B1 (ko) 2017-07-31 2022-10-06 비-제로 계수들의 위치를 표현하는 방법 및 장치
KR1020220127679A KR102544545B1 (ko) 2017-07-31 2022-10-06 비-제로 계수들의 위치를 표현하는 방법 및 장치
KR1020220127681A KR102544550B1 (ko) 2017-07-31 2022-10-06 비-제로 계수들의 위치를 표현하는 방법 및 장치
KR1020220127684A KR102544554B1 (ko) 2017-07-31 2022-10-06 비-제로 계수들의 위치를 표현하는 방법 및 장치

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KR1020220127675A KR102544530B1 (ko) 2017-07-31 2022-10-06 비-제로 계수들의 위치를 표현하는 방법 및 장치

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KR1020220127681A KR102544550B1 (ko) 2017-07-31 2022-10-06 비-제로 계수들의 위치를 표현하는 방법 및 장치
KR1020220127684A KR102544554B1 (ko) 2017-07-31 2022-10-06 비-제로 계수들의 위치를 표현하는 방법 및 장치

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KR (4) KR102544530B1 (fr)
WO (1) WO2019027200A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020182207A1 (fr) * 2019-03-13 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Partitions sur mode de transformée de sous-bloc
EP4325864A1 (fr) * 2021-04-12 2024-02-21 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Procédé de codage/décodage de coefficients, codeur, décodeur et support de stockage informatique

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017043760A1 (fr) * 2015-09-08 2017-03-16 삼성전자 주식회사 Dispositif et procédé pour un codage et un décodage entropique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2154894A1 (fr) * 2008-08-15 2010-02-17 Thomson Licensing Codage vidéo avec codage des locations des coefficients significatifs dans un bloc de coefficients
US8976861B2 (en) * 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
EP2727355A1 (fr) * 2011-06-29 2014-05-07 Motorola Mobility LLC Procédé et système d'utilisation d'un schéma de codage à balayage pendant l'intracodage
KR20130050403A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 복원 블록 생성 방법
US9350996B2 (en) * 2011-12-20 2016-05-24 Google Technology Holdings LLC Method and apparatus for last coefficient indexing for high efficiency video coding
US9467701B2 (en) * 2012-04-05 2016-10-11 Qualcomm Incorporated Coded block flag coding
KR20130116754A (ko) * 2012-04-16 2013-10-24 주식회사 팬택 엔트로피 부복호화 방법 및 이러한 방법을 사용하는 장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017043760A1 (fr) * 2015-09-08 2017-03-16 삼성전자 주식회사 Dispositif et procédé pour un codage et un décodage entropique

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Publication number Publication date
KR20220140675A (ko) 2022-10-18
KR102544530B1 (ko) 2023-06-16
KR20220140677A (ko) 2022-10-18
KR20220140676A (ko) 2022-10-18
KR20220140678A (ko) 2022-10-18
WO2019027200A1 (fr) 2019-02-07
KR102544554B1 (ko) 2023-06-16
KR102544550B1 (ko) 2023-06-16

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