CN104396247B - 用于视频译码的基于lcu的自适应环路滤波的方法和装置 - Google Patents

用于视频译码的基于lcu的自适应环路滤波的方法和装置 Download PDF

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CN104396247B
CN104396247B CN201380018364.6A CN201380018364A CN104396247B CN 104396247 B CN104396247 B CN 104396247B CN 201380018364 A CN201380018364 A CN 201380018364A CN 104396247 B CN104396247 B CN 104396247B
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lcu
filter
filters
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CN104396247A (zh
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钟仁肃
马尔塔·卡切维奇
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/169—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
    • 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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201380018364.6A 2012-04-09 2013-04-09 用于视频译码的基于lcu的自适应环路滤波的方法和装置 Expired - Fee Related CN104396247B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261621931P 2012-04-09 2012-04-09
US61/621,931 2012-04-09
US13/858,899 2013-04-08
US13/858,899 US9445088B2 (en) 2012-04-09 2013-04-08 LCU-based adaptive loop filtering for video coding
PCT/US2013/035802 WO2013155084A1 (en) 2012-04-09 2013-04-09 Lcu-based adaptive loop filtering for video coding

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CN104396247A CN104396247A (zh) 2015-03-04
CN104396247B true CN104396247B (zh) 2017-09-08

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Country Link
US (1) US9445088B2 (cg-RX-API-DMAC7.html)
EP (1) EP2837179A1 (cg-RX-API-DMAC7.html)
JP (2) JP2015515829A (cg-RX-API-DMAC7.html)
CN (1) CN104396247B (cg-RX-API-DMAC7.html)
IN (1) IN2014MN01848A (cg-RX-API-DMAC7.html)
WO (1) WO2013155084A1 (cg-RX-API-DMAC7.html)

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KR20180019547A (ko) 2015-06-18 2018-02-26 엘지전자 주식회사 영상 코딩 시스템에서 필터 뱅크를 이용한 영상 필터링 방법 및 장치
CN105049846B (zh) * 2015-08-14 2019-05-21 广东中星微电子有限公司 图像和视频编解码的方法和设备
US10382766B2 (en) * 2016-05-09 2019-08-13 Qualcomm Incorporated Signalling of filtering information
US11095922B2 (en) * 2016-08-02 2021-08-17 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
CN110100437B (zh) 2016-12-23 2020-09-08 华为技术有限公司 用于有损视频编码的混合域协作环路滤波器
EP3529986A1 (en) 2016-12-23 2019-08-28 Huawei Technologies Co., Ltd. Low complexity mixed domain collaborative in-loop filter for lossy video coding
EP3529985A1 (en) 2016-12-23 2019-08-28 Huawei Technologies Co., Ltd. Mixed domain collaborative post filter for lossy still image coding
CA3048242C (en) 2016-12-28 2023-10-31 Arris Enterprises Llc Improved video bitstream coding
US10638126B2 (en) * 2017-05-05 2020-04-28 Qualcomm Incorporated Intra reference filter for video coding
CN107071496B (zh) * 2017-05-14 2020-01-17 北京工业大学 一种h.265/hevc帧间编码单元深度快速选择方法
WO2019093916A1 (en) 2017-11-07 2019-05-16 Huawei Technologies Co., Ltd Interpolation filter for an inter prediction apparatus and method for video coding
CN111213383B (zh) 2017-11-13 2022-04-05 华为技术有限公司 用于视频编码的环内滤波装置及方法
CN115955562B (zh) * 2017-11-29 2025-12-23 英迪股份有限公司 采用环内滤波的图像编码/解码方法和装置
GB2582029A (en) * 2019-03-08 2020-09-09 Canon Kk An adaptive loop filter
US11159791B2 (en) * 2019-03-16 2021-10-26 Mediatek Inc. Method and apparatus for signaling adaptive loop filter parameters in video coding
WO2021006621A1 (ko) * 2019-07-08 2021-01-14 엘지전자 주식회사 적응적 루프 필터 기반 비디오 또는 영상 코딩
EP4588245A1 (en) * 2022-09-16 2025-07-23 MediaTek Inc. Method and apparatus for adaptive loop filter with non-sample taps for video coding

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Publication number Publication date
US20130266059A1 (en) 2013-10-10
CN104396247A (zh) 2015-03-04
EP2837179A1 (en) 2015-02-18
WO2013155084A1 (en) 2013-10-17
JP2018078569A (ja) 2018-05-17
JP2015515829A (ja) 2015-05-28
US9445088B2 (en) 2016-09-13
IN2014MN01848A (cg-RX-API-DMAC7.html) 2015-07-03

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