KR102935518B1 - 인트라 변환 코딩 및 광각 인트라 예측의 조화 - Google Patents

인트라 변환 코딩 및 광각 인트라 예측의 조화

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Publication number
KR102935518B1
KR102935518B1 KR1020217007963A KR20217007963A KR102935518B1 KR 102935518 B1 KR102935518 B1 KR 102935518B1 KR 1020217007963 A KR1020217007963 A KR 1020217007963A KR 20217007963 A KR20217007963 A KR 20217007963A KR 102935518 B1 KR102935518 B1 KR 102935518B1
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KR20210058846A (ko
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카람 나서
파비앙 라카페
가간 라스
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인터디지털 브이씨 홀딩스 인코포레이티드
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217007963A 2018-09-21 2019-09-19 인트라 변환 코딩 및 광각 인트라 예측의 조화 Active KR102935518B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18290102.5 2018-09-21
EP18290102 2018-09-21
PCT/US2019/051943 WO2020061319A1 (en) 2018-09-21 2019-09-19 Harmonization of intra transform coding and wide angle intra prediction

Publications (2)

Publication Number Publication Date
KR20210058846A KR20210058846A (ko) 2021-05-24
KR102935518B1 true KR102935518B1 (ko) 2026-03-06

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Country Status (8)

Country Link
US (1) US20220124337A1 (https=)
EP (1) EP3854080A1 (https=)
JP (1) JP7578584B2 (https=)
KR (1) KR102935518B1 (https=)
CN (2) CN112740676B (https=)
AU (1) AU2019342129B2 (https=)
MX (1) MX2021003317A (https=)
WO (1) WO2020061319A1 (https=)

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
CN112104868B (zh) * 2020-11-05 2021-02-05 电子科技大学 一种针对vvc帧内编码单元划分的快速决策方法
WO2023044617A1 (zh) * 2021-09-22 2023-03-30 深圳市大疆创新科技有限公司 编解码方法及装置
WO2024205266A1 (ko) * 2023-03-28 2024-10-03 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018127624A1 (en) 2017-01-03 2018-07-12 Nokia Technologies Oy Video and image coding with wide-angle intra prediction

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10554966B2 (en) * 2014-10-07 2020-02-04 Samsung Electronics Co., Ltd. Multi-view image encoding/decoding method and apparatus
WO2016137369A1 (en) * 2015-02-25 2016-09-01 Telefonaktiebolaget Lm Ericsson (Publ) Encoding and decoding of pictures in a video
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
US10425648B2 (en) * 2015-09-29 2019-09-24 Qualcomm Incorporated Video intra-prediction using position-dependent prediction combination for video coding
US10448011B2 (en) * 2016-03-18 2019-10-15 Mediatek Inc. Method and apparatus of intra prediction in image and video processing
CN116708776A (zh) * 2016-07-18 2023-09-05 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
HRP20230521T1 (hr) * 2018-06-03 2023-08-04 Lg Electronics Inc. Postupak i uređaj za obradu video signala pomoću smanjene transformacije
CN118945328A (zh) * 2018-06-27 2024-11-12 株式会社Kt 对图像进行解码和编码的方法以及用于发送压缩视频数据的设备
US10567752B2 (en) 2018-07-02 2020-02-18 Tencent America LLC Method and apparatus for intra prediction for non-square blocks in video compression
US10284866B1 (en) * 2018-07-02 2019-05-07 Tencent America LLC Method and apparatus for video coding
US10404980B1 (en) * 2018-07-10 2019-09-03 Tencent America LLC Intra prediction with wide angle mode in video coding
CN116546198A (zh) * 2018-08-12 2023-08-04 Lg电子株式会社 解码装置、编码装置、存储介质和发送图像的数据的装置
US11509908B2 (en) * 2018-09-11 2022-11-22 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
TWI863927B (zh) * 2018-09-19 2024-12-01 大陸商北京字節跳動網絡技術有限公司 用於幀內編解碼的鄰近的相鄰塊的選擇

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018127624A1 (en) 2017-01-03 2018-07-12 Nokia Technologies Oy Video and image coding with wide-angle intra prediction

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Benjamin Bross, et al., Versatile Video Coding (Draft 2), JVET-K1001-v5, 2018.09.18.*
Fabien Racapé, et al. CE3-related: Wide-angle intra prediction for non-square blocks, JVET-K0500_r4, 2018.07.16.*

Also Published As

Publication number Publication date
CN112740676B (zh) 2024-12-13
KR20210058846A (ko) 2021-05-24
CN112740676A (zh) 2021-04-30
WO2020061319A1 (en) 2020-03-26
JP2022500895A (ja) 2022-01-04
US20220124337A1 (en) 2022-04-21
AU2019342129A1 (en) 2021-05-20
AU2019342129B2 (en) 2025-06-05
EP3854080A1 (en) 2021-07-28
JP7578584B2 (ja) 2024-11-06
CN119484814A (zh) 2025-02-18
MX2021003317A (es) 2021-05-14

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