KR102639970B1 - 화상 부호화 장치, 화상 복호 장치 및 프로그램 - Google Patents

화상 부호화 장치, 화상 복호 장치 및 프로그램 Download PDF

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KR102639970B1
KR102639970B1 KR1020217029043A KR20217029043A KR102639970B1 KR 102639970 B1 KR102639970 B1 KR 102639970B1 KR 1020217029043 A KR1020217029043 A KR 1020217029043A KR 20217029043 A KR20217029043 A KR 20217029043A KR 102639970 B1 KR102639970 B1 KR 102639970B1
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슌스케 이와무라
šœ스케 이와무라
아츠로 이치가야
심페이 네모토
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닛폰 호소 교카이
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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
    • H04N19/50—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
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • 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
    • H04N19/10—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/134—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
    • 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
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/70—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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  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217029043A 2019-03-11 2020-03-10 화상 부호화 장치, 화상 복호 장치 및 프로그램 Active KR102639970B1 (ko)

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JPJP-P-2019-043965 2019-03-11
JP2019043965 2019-03-11
PCT/JP2020/010326 WO2020184566A1 (ja) 2019-03-11 2020-03-10 画像符号化装置、画像復号装置、及びプログラム

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US (2) US11849145B2 (https=)
EP (1) EP3941044A4 (https=)
JP (2) JP7100194B2 (https=)
KR (2) KR102639970B1 (https=)
CN (2) CN113557719B (https=)
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Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
JP6464272B2 (ja) * 2015-08-20 2019-02-06 日本放送協会 画像符号化装置、画像復号化装置、及びこれらのプログラム
CN113557719B (zh) * 2019-03-11 2023-09-12 日本放送协会 图像编码装置、图像解码装置和程序

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018231488A1 (en) 2017-06-15 2018-12-20 Qualcomm Incorporated Intra filtering applied together with transform processing in video coding

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101327325A (zh) 2002-07-30 2008-12-24 奥默罗斯公司 眼科冲洗液及方法
JP4825227B2 (ja) * 2008-02-04 2011-11-30 日本放送協会 画像復号装置及び画像処理プログラム
US9609349B2 (en) * 2010-12-14 2017-03-28 M & K Holdings Inc. Apparatus for decoding a moving picture
KR102404121B1 (ko) * 2011-07-11 2022-05-31 선 페이턴트 트러스트 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치
US10750174B2 (en) * 2015-08-28 2020-08-18 Kt Corporation Method and device for deriving a prediction sample in decoding/encoding video signal using binary and quad trees
US10455228B2 (en) * 2016-03-21 2019-10-22 Qualcomm Incorporated Determining prediction parameters for non-square blocks in video coding
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
US10674165B2 (en) * 2016-12-21 2020-06-02 Arris Enterprises Llc Constrained position dependent intra prediction combination (PDPC)
KR102622465B1 (ko) * 2017-06-21 2024-01-09 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측에 따른 영상 디코딩 방법 및 장치
CN114449272B (zh) * 2017-07-04 2023-09-26 三星电子株式会社 使用多核变换的视频解码/编码方法和设备
WO2019182292A1 (ko) * 2018-03-19 2019-09-26 주식회사 케이티 비디오 신호 처리 방법 및 장치
WO2020009514A1 (ko) * 2018-07-06 2020-01-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US11509908B2 (en) * 2018-09-11 2022-11-22 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
PL3843402T3 (pl) * 2018-09-21 2024-06-24 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Sposób kodowania/dekodowania sygnału obrazu i urządzenie do nich
WO2020076116A1 (ko) * 2018-10-12 2020-04-16 인텔렉추얼디스커버리 주식회사 영상 부호화/복호화 방법 및 장치
EP3840387B1 (en) * 2018-10-12 2024-03-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal and device for same
CN113170181B (zh) * 2018-11-29 2023-12-08 北京字节跳动网络技术有限公司 块内拷贝模式中的仿射继承方法
US11057622B2 (en) * 2018-12-13 2021-07-06 Qualcomm Incorporated Position dependent intra prediction combination with non-square block diagonals
US11546632B2 (en) * 2018-12-19 2023-01-03 Lg Electronics Inc. Method and device for processing video signal by using intra-prediction
CN118632018A (zh) * 2018-12-21 2024-09-10 株式会社 Xris 视频信号编码/解码方法及其装置
WO2020159199A1 (ko) * 2019-01-28 2020-08-06 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
CN112514384B (zh) * 2019-01-28 2024-12-24 苹果公司 视频信号编码/解码方法及其装置
CN119676432A (zh) * 2019-02-28 2025-03-21 苹果公司 用于对图像信号进行编码/解码的方法及其装置
WO2020175965A1 (ko) * 2019-02-28 2020-09-03 주식회사 윌러스표준기술연구소 인트라 예측 기반 비디오 신호 처리 방법 및 장치
CN113557719B (zh) * 2019-03-11 2023-09-12 日本放送协会 图像编码装置、图像解码装置和程序
US11144822B1 (en) * 2021-01-04 2021-10-12 Edgecortix Pte. Ltd. Neural network accelerator run-time reconfigurability

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018231488A1 (en) 2017-06-15 2018-12-20 Qualcomm Incorporated Intra filtering applied together with transform processing in video coding

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JP2022121615A (ja) 2022-08-19
US20210409764A1 (en) 2021-12-30
US20240080476A1 (en) 2024-03-07
JP7100194B2 (ja) 2022-07-12
US12262052B2 (en) 2025-03-25
EP3941044A4 (en) 2022-12-14
KR20240027865A (ko) 2024-03-04
JP7229413B2 (ja) 2023-02-27
CN113557719A (zh) 2021-10-26
KR20210135250A (ko) 2021-11-12
WO2020184566A1 (ja) 2020-09-17
JPWO2020184566A1 (https=) 2020-09-17
CN116939199A (zh) 2023-10-24
EP3941044A1 (en) 2022-01-19
US11849145B2 (en) 2023-12-19
CN113557719B (zh) 2023-09-12

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