TWI845635B - 用於自適應迴路濾波之邊界處理 - Google Patents

用於自適應迴路濾波之邊界處理 Download PDF

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Publication number
TWI845635B
TWI845635B TW109108071A TW109108071A TWI845635B TW I845635 B TWI845635 B TW I845635B TW 109108071 A TW109108071 A TW 109108071A TW 109108071 A TW109108071 A TW 109108071A TW I845635 B TWI845635 B TW I845635B
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Taiwan
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TW109108071A
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TW202042553A (zh
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法迪姆 塞瑞金
胡楠
馬塔 卡茲維克茲
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美商高通公司
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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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/169—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW109108071A 2019-03-11 2020-03-11 用於自適應迴路濾波之邊界處理 TWI845635B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962816728P 2019-03-11 2019-03-11
US62/816,728 2019-03-11
US16/814,597 US11910024B2 (en) 2019-03-11 2020-03-10 Boundary handling for adaptive loop filtering
US16/814,597 2020-03-10

Publications (2)

Publication Number Publication Date
TW202042553A TW202042553A (zh) 2020-11-16
TWI845635B true TWI845635B (zh) 2024-06-21

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US (1) US11910024B2 (enExample)
EP (1) EP3939321A1 (enExample)
JP (1) JP7507169B2 (enExample)
KR (1) KR20210135246A (enExample)
CN (1) CN113557743B (enExample)
AU (1) AU2020234574B2 (enExample)
BR (1) BR112021017449A2 (enExample)
CA (1) CA3131117A1 (enExample)
CL (1) CL2021002356A1 (enExample)
CO (1) CO2021011792A2 (enExample)
IL (1) IL285638B2 (enExample)
MX (1) MX2021010859A (enExample)
MY (1) MY208959A (enExample)
PH (1) PH12021551988A1 (enExample)
SA (1) SA521430180B1 (enExample)
SG (1) SG11202108952SA (enExample)
TW (1) TWI845635B (enExample)
WO (1) WO2020185919A1 (enExample)

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US11044473B2 (en) * 2018-12-21 2021-06-22 Qualcomm Incorporated Adaptive loop filtering classification in video coding
US11153598B2 (en) * 2019-06-04 2021-10-19 Tencent America LLC Method and apparatus for video coding using a subblock-based affine motion model
EP3970366B1 (en) 2019-06-14 2025-12-10 Beijing Bytedance Network Technology Co., Ltd. Handling video unit boundaries and virtual boundaries
WO2020249124A1 (en) 2019-06-14 2020-12-17 Beijing Bytedance Network Technology Co., Ltd. Handling video unit boundaries and virtual boundaries based on color format
EP3981150A4 (en) 2019-07-09 2022-08-03 Beijing Bytedance Network Technology Co., Ltd. SAMPLE DETERMINATION FOR ADAPTIVE LOOP FILTERING
PH12022550067A1 (en) 2019-07-11 2023-04-12 Beijing Bytedance Network Tech Co Ltd Sample padding in adaptive loop filtering
EP3984219A4 (en) 2019-07-15 2022-08-17 Beijing Bytedance Network Technology Co., Ltd. Classification in adaptive loop filtering
CN114430902B (zh) 2019-09-22 2023-11-10 北京字节跳动网络技术有限公司 自适应环路滤波中的填充过程
EP4022910A4 (en) * 2019-09-27 2022-11-16 Beijing Bytedance Network Technology Co., Ltd. Adaptive loop filtering between different video units
JP7454042B2 (ja) 2019-10-10 2024-03-21 北京字節跳動網絡技術有限公司 適応ループ・フィルタリングにおける利用可能でないサンプル位置でのパディング・プロセス
KR20220088427A (ko) * 2019-11-04 2022-06-27 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 교차 성분 적응적 루프 필터
US11425405B2 (en) * 2019-11-15 2022-08-23 Qualcomm Incorporated Cross-component adaptive loop filter in video coding
EP4218235A4 (en) * 2020-09-23 2024-04-03 Beijing Dajia Internet Information Technology Co., Ltd. ENHANCEMENT OF CHROMINANCE CODING IN ADAPTIVE INTER-COMPONENT SAMPLE SHIFT WITH VIRTUAL BOUNDARY
WO2024002168A1 (en) * 2022-06-28 2024-01-04 Douyin Vision (Beijing) Co., Ltd. Padding methods for adaptive loop filter in video coding
US20240348796A1 (en) * 2023-04-13 2024-10-17 Qualcomm Incorporated Coding affine motion models for video coding
US20250014226A1 (en) * 2023-07-07 2025-01-09 Sony Interactive Entertainment LLC Optimized partition selection for bc7 texture encoding
US20250119540A1 (en) * 2023-10-06 2025-04-10 Qualcomm Incorporated Applying a scaling factor to select a filter for filtering decoded video data

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US9357211B2 (en) * 2012-12-28 2016-05-31 Qualcomm Incorporated Device and method for scalable and multiview/3D coding of video information
US10057574B2 (en) 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
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WO2019107994A1 (ko) 2017-11-29 2019-06-06 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치
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Also Published As

Publication number Publication date
US11910024B2 (en) 2024-02-20
CN113557743B (zh) 2025-02-11
JP2022524055A (ja) 2022-04-27
PH12021551988A1 (en) 2022-08-22
CA3131117A1 (en) 2020-09-17
BR112021017449A2 (pt) 2021-11-16
IL285638B2 (en) 2024-10-01
IL285638B1 (en) 2024-06-01
MY208959A (en) 2025-06-13
TW202042553A (zh) 2020-11-16
CN113557743A (zh) 2021-10-26
MX2021010859A (es) 2021-10-22
CL2021002356A1 (es) 2022-06-10
US20200296425A1 (en) 2020-09-17
SA521430180B1 (ar) 2024-08-28
IL285638A (en) 2021-09-30
CO2021011792A2 (es) 2021-09-20
EP3939321A1 (en) 2022-01-19
AU2020234574A1 (en) 2021-09-16
SG11202108952SA (en) 2021-09-29
WO2020185919A1 (en) 2020-09-17
AU2020234574B2 (en) 2025-08-28
KR20210135246A (ko) 2021-11-12
JP7507169B2 (ja) 2024-06-27

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