BRPI1007869A2 - método e aparelho para seleção de parâmetro de filtro baseado em região para filtragem de remoção de artefatos - Google Patents

método e aparelho para seleção de parâmetro de filtro baseado em região para filtragem de remoção de artefatos

Info

Publication number
BRPI1007869A2
BRPI1007869A2 BRPI1007869A BRPI1007869A BRPI1007869A2 BR PI1007869 A2 BRPI1007869 A2 BR PI1007869A2 BR PI1007869 A BRPI1007869 A BR PI1007869A BR PI1007869 A BRPI1007869 A BR PI1007869A BR PI1007869 A2 BRPI1007869 A2 BR PI1007869A2
Authority
BR
Brazil
Prior art keywords
region
filter parameter
parameter selection
based filter
artifact removal
Prior art date
Application number
BRPI1007869A
Other languages
English (en)
Inventor
Sole Joel
Yin Peng
Xu Qian
Lu Xiaoan
Zheng Yunfei
Original Assignee
Thomson Licensing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42321017&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI1007869(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI1007869A2 publication Critical patent/BRPI1007869A2/pt
Publication of BRPI1007869B1 publication Critical patent/BRPI1007869B1/pt

Links

Classifications

    • 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
    • H04N19/134—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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/70—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
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI1007869-0A 2009-03-12 2010-03-10 Métodos, aparelhos e mídia de armazenamento legível por computador para seleção de parâmetro de filtro baseado em região para filtragem de remoção de artefatos BRPI1007869B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15957309P 2009-03-12 2009-03-12
US61/159,573 2009-03-12
PCT/US2010/000715 WO2010104570A1 (en) 2009-03-12 2010-03-10 Methods and apparatus for region-based filter parameter selection for de-artifact filtering

Publications (2)

Publication Number Publication Date
BRPI1007869A2 true BRPI1007869A2 (pt) 2018-03-06
BRPI1007869B1 BRPI1007869B1 (pt) 2021-08-31

Family

ID=42321017

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1007869-0A BRPI1007869B1 (pt) 2009-03-12 2010-03-10 Métodos, aparelhos e mídia de armazenamento legível por computador para seleção de parâmetro de filtro baseado em região para filtragem de remoção de artefatos

Country Status (7)

Country Link
US (1) US9294784B2 (pt)
EP (1) EP2406957A1 (pt)
JP (3) JP2012520607A (pt)
KR (2) KR101709358B1 (pt)
CN (3) CN106954071B (pt)
BR (1) BRPI1007869B1 (pt)
WO (1) WO2010104570A1 (pt)

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CN106067982A (zh) * 2010-06-07 2016-11-02 数码士有限公司 解码高分辨率图像的方法和装置
US20120008687A1 (en) * 2010-07-06 2012-01-12 Apple Inc. Video coding using vector quantized deblocking filters
US9628821B2 (en) 2010-10-01 2017-04-18 Apple Inc. Motion compensation using decoder-defined vector quantized interpolation filters
CN103096054B (zh) * 2011-11-04 2015-07-08 华为技术有限公司 一种视频图像滤波处理方法和装置
US20150365703A1 (en) * 2014-06-13 2015-12-17 Atul Puri System and method for highly content adaptive quality restoration filtering for video coding
EP3151559A1 (en) * 2015-09-29 2017-04-05 Thomson Licensing Method for coding and decoding a plurality of picture blocks and corresponding devices
CN110870319B (zh) * 2017-05-31 2022-12-06 交互数字麦迪逊专利控股公司 画面编码和解码的方法和设备
KR102520626B1 (ko) * 2018-01-22 2023-04-11 삼성전자주식회사 아티팩트 감소 필터를 이용한 영상 부호화 방법 및 그 장치, 영상 복호화 방법 및 그 장치
WO2024164917A1 (en) * 2023-02-08 2024-08-15 Mediatek Inc. Method and apparatus for reducing visual artifacts introduced by cross-component adaptive filter
US20250150586A1 (en) * 2023-11-03 2025-05-08 Tencent America LLC Direction-adaptive region-based prediction combination
CN118447123B (zh) * 2024-07-08 2024-09-13 南昌睿度医疗科技有限公司 一种核磁共振图像伪影去除方法及系统

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JPH0884342A (ja) * 1994-09-14 1996-03-26 Mitsubishi Electric Corp 映像信号復号化装置
US5771318A (en) * 1996-06-27 1998-06-23 Siemens Corporate Research, Inc. Adaptive edge-preserving smoothing filter
US7346224B2 (en) * 2003-11-07 2008-03-18 Mitsubishi Electric Research Laboratories, Inc. System and method for classifying pixels in images
EP1718081A1 (en) * 2004-02-19 2006-11-02 Olympus Corporation Imaging system and image processing program
US20060039624A1 (en) * 2004-08-20 2006-02-23 Hao-Song Kong System and method for fuzzy filtering images
KR20060020801A (ko) * 2004-09-01 2006-03-07 매그나칩 반도체 유한회사 적응적인 잡음 제거가 가능한 필터를 갖는 이미지센서 및이미지센서의 적응적인 잡음 제거 방법
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Also Published As

Publication number Publication date
KR101709358B1 (ko) 2017-02-22
JP6646029B2 (ja) 2020-02-14
KR102003137B1 (ko) 2019-07-23
KR20170020939A (ko) 2017-02-24
JP6479548B2 (ja) 2019-03-06
JP2015146643A (ja) 2015-08-13
WO2010104570A1 (en) 2010-09-16
CN102349298B (zh) 2016-08-03
CN106954072B (zh) 2020-05-05
CN106954072A (zh) 2017-07-14
CN106954071A (zh) 2017-07-14
JP2018033181A (ja) 2018-03-01
EP2406957A1 (en) 2012-01-18
CN102349298A (zh) 2012-02-08
BRPI1007869B1 (pt) 2021-08-31
CN106954071B (zh) 2020-05-19
JP2012520607A (ja) 2012-09-06
US9294784B2 (en) 2016-03-22
KR20110126693A (ko) 2011-11-23
US20120002722A1 (en) 2012-01-05

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25A Requested transfer of rights approved

Owner name: THOMSON LICENSING DTV (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL MADISON PATENT HOLDINGS (FR)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/03/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.