KR102387909B1 - 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 - Google Patents

영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 Download PDF

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KR102387909B1
KR102387909B1 KR1020170159459A KR20170159459A KR102387909B1 KR 102387909 B1 KR102387909 B1 KR 102387909B1 KR 1020170159459 A KR1020170159459 A KR 1020170159459A KR 20170159459 A KR20170159459 A KR 20170159459A KR 102387909 B1 KR102387909 B1 KR 102387909B1
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intra prediction
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KR20180061027A (ko
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조승현
강정원
고현석
임성창
이진호
이하현
전동산
김휘용
전병우
김남욱
전승수
최진수
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한국전자통신연구원
성균관대학교산학협력단
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
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    • H—ELECTRICITY
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    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
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    • 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]
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    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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    • 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
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    • 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
    • H04N19/186—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 a colour or a chrominance component
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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KR1020170159459A 2016-11-29 2017-11-27 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 Active KR102387909B1 (ko)

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KR1020220045839A Active KR102467487B1 (ko) 2016-11-29 2022-04-13 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR1020220149796A Ceased KR20220158210A (ko) 2016-11-29 2022-11-10 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR1020240096701A Pending KR20240118708A (ko) 2016-11-29 2024-07-22 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

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KR1020220149796A Ceased KR20220158210A (ko) 2016-11-29 2022-11-10 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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CN110024385B (zh) 2023-06-30
CN116647679A (zh) 2023-08-25
EP3550835A1 (en) 2019-10-09
CN117041564A (zh) 2023-11-10
CN116962687A (zh) 2023-10-27
CN110024385A (zh) 2019-07-16
US20210067794A1 (en) 2021-03-04
JP7682984B2 (ja) 2025-05-26
KR20220158210A (ko) 2022-11-30
EP3550835A4 (en) 2020-04-29
JP2025114814A (ja) 2025-08-05
CN116723314A (zh) 2023-09-08
US11503316B2 (en) 2022-11-15
KR20240118708A (ko) 2024-08-05
US20250142101A1 (en) 2025-05-01
US20230007829A1 (en) 2023-01-12
KR102467487B1 (ko) 2022-11-16
US10869049B2 (en) 2020-12-15
JP2024026375A (ja) 2024-02-28
JP2020501427A (ja) 2020-01-16
KR20180061027A (ko) 2018-06-07
US20200021828A1 (en) 2020-01-16
WO2018101687A1 (ko) 2018-06-07
US12225222B2 (en) 2025-02-11

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