JP6029984B2 - 分類ベースのループ・フィルタのための方法と装置 - Google Patents

分類ベースのループ・フィルタのための方法と装置 Download PDF

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JP6029984B2
JP6029984B2 JP2012557038A JP2012557038A JP6029984B2 JP 6029984 B2 JP6029984 B2 JP 6029984B2 JP 2012557038 A JP2012557038 A JP 2012557038A JP 2012557038 A JP2012557038 A JP 2012557038A JP 6029984 B2 JP6029984 B2 JP 6029984B2
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image
filtering
pixel
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filter
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JP2013522956A5 (enExample
JP2013522956A (ja
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シユウ，チヤン
ジエン，ユンフエイ
イン，ペン
ルウ，シヤオアン
ソレ，ジヨエル
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Thomson Licensing SAS
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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
    • H04N19/124—Quantisation
    • 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
    • H04N19/182—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/60—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
    • H04N19/80—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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2012557038A 2010-03-09 2011-03-02 分類ベースのループ・フィルタのための方法と装置 Active JP6029984B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31206310P 2010-03-09 2010-03-09
US61/312,063 2010-03-09
PCT/US2011/000394 WO2011112237A1 (en) 2010-03-09 2011-03-02 Methods and apparatus for a classification-based loop filter

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JP2013522956A JP2013522956A (ja) 2013-06-13
JP2013522956A5 JP2013522956A5 (enExample) 2014-04-10
JP6029984B2 true JP6029984B2 (ja) 2016-11-24

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US (1) US20120320973A1 (enExample)
EP (1) EP2545711B1 (enExample)
JP (1) JP6029984B2 (enExample)
KR (1) KR101810263B1 (enExample)
CN (2) CN102792690B (enExample)
WO (1) WO2011112237A1 (enExample)

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WO2017195532A1 (ja) * 2016-05-13 2017-11-16 シャープ株式会社 画像復号装置及び画像符号化装置
KR101974261B1 (ko) * 2016-06-24 2019-04-30 한국과학기술원 Cnn 기반 인루프 필터를 포함하는 부호화 방법과 장치 및 복호화 방법과 장치
KR102053242B1 (ko) * 2017-04-26 2019-12-06 강현인 압축 파라미터를 이용한 영상 복원용 머신러닝 알고리즘 및 이를 이용한 영상 복원방법
WO2019009448A1 (ko) 2017-07-06 2019-01-10 삼성전자 주식회사 영상을 부호화 또는 복호화하는 방법 및 장치
CN111615828B (zh) 2017-11-29 2023-01-10 韩国电子通信研究院 采用环内滤波的图像编码/解码方法和装置
GB2572595B (en) * 2018-04-04 2023-03-22 British Broadcasting Corp Video encoding and decoding
CN109862374A (zh) * 2019-01-07 2019-06-07 北京大学 一种自适应环路滤波方法及装置
KR102154424B1 (ko) * 2019-01-18 2020-09-10 한국항공대학교산학협력단 개선된 영상 압축 시스템 및 방법
JP7361196B2 (ja) * 2019-07-15 2023-10-13 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分類
JP7318120B2 (ja) 2019-09-22 2023-07-31 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パディングプロセス
CN112637610A (zh) * 2019-09-24 2021-04-09 富士通株式会社 去块滤波器的系数获取装置、方法以及图像编解码装置
CN114556939B (zh) 2019-10-10 2025-05-02 北京字节跳动网络技术有限公司 自适应环路滤波中不可用样点位置处的填充处理
CN113971748B (zh) * 2020-07-24 2025-04-29 中移(苏州)软件技术有限公司 图像处理方法、装置、设备及计算机可读存储介质
EP4625980A1 (en) * 2024-03-25 2025-10-01 InterDigital CE Patent Holdings, SAS Content-adapted alf band classifier
WO2025226008A1 (en) * 2024-04-22 2025-10-30 Samsung Electronics Co., Ltd. Method and apparatus for performing scalable de-quantization in a video codec

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Publication number Publication date
KR20130030254A (ko) 2013-03-26
CN102792690A (zh) 2012-11-21
US20120320973A1 (en) 2012-12-20
JP2013522956A (ja) 2013-06-13
KR101810263B1 (ko) 2017-12-18
CN102792690B (zh) 2016-06-15
WO2011112237A1 (en) 2011-09-15
EP2545711B1 (en) 2018-05-09
EP2545711A1 (en) 2013-01-16
CN105872554A (zh) 2016-08-17

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