ATE310996T1 - System und verfahren zur verbesserung der schärfe für codierte digitale videosignale - Google Patents

System und verfahren zur verbesserung der schärfe für codierte digitale videosignale

Info

Publication number
ATE310996T1
ATE310996T1 AT03747519T AT03747519T ATE310996T1 AT E310996 T1 ATE310996 T1 AT E310996T1 AT 03747519 T AT03747519 T AT 03747519T AT 03747519 T AT03747519 T AT 03747519T AT E310996 T1 ATE310996 T1 AT E310996T1
Authority
AT
Austria
Prior art keywords
frame
digital video
sharpness
ume
calculating
Prior art date
Application number
AT03747519T
Other languages
English (en)
Inventor
Yibin Yang
Lilla Boroczky
Original Assignee
Koninkl Philips Electronics Nv
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
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE310996T1 publication Critical patent/ATE310996T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/142—Detection of scene cut or scene change
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/162—User input
    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/85—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Image Analysis (AREA)
  • Picture Signal Circuits (AREA)
AT03747519T 2002-05-06 2003-04-23 System und verfahren zur verbesserung der schärfe für codierte digitale videosignale ATE310996T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/139,175 US7031388B2 (en) 2002-05-06 2002-05-06 System for and method of sharpness enhancement for coded digital video
PCT/IB2003/001691 WO2003094111A1 (en) 2002-05-06 2003-04-23 System for and method of sharpness enhancement for coded digital video

Publications (1)

Publication Number Publication Date
ATE310996T1 true ATE310996T1 (de) 2005-12-15

Family

ID=29269522

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03747519T ATE310996T1 (de) 2002-05-06 2003-04-23 System und verfahren zur verbesserung der schärfe für codierte digitale videosignale

Country Status (9)

Country Link
US (1) US7031388B2 (de)
EP (1) EP1506525B1 (de)
JP (1) JP2005525014A (de)
KR (1) KR20040102211A (de)
CN (1) CN100370484C (de)
AT (1) ATE310996T1 (de)
AU (1) AU2003225481A1 (de)
DE (1) DE60302456T2 (de)
WO (1) WO2003094111A1 (de)

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* Cited by examiner, † Cited by third party
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WO2004057535A1 (en) * 2002-12-20 2004-07-08 Koninklijke Philips Electronics N.V. Enhancing video images depending on prior image enhancements
US8135073B2 (en) 2002-12-19 2012-03-13 Trident Microsystems (Far East) Ltd Enhancing video images depending on prior image enhancements
JP2007501561A (ja) * 2003-08-06 2007-01-25 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ブロックアーティファクトの検出
WO2005045764A1 (en) * 2003-11-07 2005-05-19 Koninklijke Philips Electronics N.V. Video encoding method and device
KR100772215B1 (ko) * 2005-12-30 2007-11-01 엘지전자 주식회사 영상표시기기의 영상 제어장치 및 방법
US7852412B1 (en) * 2006-02-27 2010-12-14 Nvidia Corporation Video noise level detection
JP4615508B2 (ja) * 2006-12-27 2011-01-19 シャープ株式会社 画像表示装置及び方法、画像処理装置及び方法
JP2008225241A (ja) * 2007-03-14 2008-09-25 Fujitsu Ltd 映像信号処理装置、映像信号処理方法及び映像信号処理プログラム
JP4922839B2 (ja) * 2007-06-04 2012-04-25 三洋電機株式会社 信号処理装置、映像表示装置及び信号処理方法
JP4279332B2 (ja) * 2007-10-31 2009-06-17 株式会社東芝 順次走査変換装置及び順次走査変換方法
US9407925B2 (en) * 2008-10-30 2016-08-02 Vixs Systems, Inc. Video transcoding system with quality readjustment based on high scene cost detection and method for use therewith
US8953688B2 (en) * 2010-11-08 2015-02-10 Sony Corporation In loop contrast enhancement for improved motion estimation
EP3176729A1 (de) * 2011-09-06 2017-06-07 Intel Corporation Analytikunterstützte codierung
US20150146981A1 (en) * 2013-09-05 2015-05-28 Tp Vision Holding B.V. Apparatus and method for converting input image data into output image data, image conversion unit for converting input image data into output image data, image processing apparatus, display device
US9832467B2 (en) * 2014-10-07 2017-11-28 Qualcomm Incorporated Deblock filtering for intra block copying
EP3016383B1 (de) * 2014-11-03 2017-06-21 Axis AB Verfahren, Vorrichtung und System zur Vorverarbeitung eines Videostroms zur anschließenden Bewegungserkennungsverarbeitung
KR102601350B1 (ko) * 2016-05-31 2023-11-13 엘지디스플레이 주식회사 데이터 압축 방법 및 이를 이용한 표시 장치
US11019349B2 (en) * 2017-01-20 2021-05-25 Snap Inc. Content-based client side video transcoding
CN106961628B (zh) * 2017-03-24 2020-04-28 北京金山安全软件有限公司 视频播放方法、装置以及电子设备
US20230028736A1 (en) * 2021-07-22 2023-01-26 Qualcomm Incorporated Configurable image enhancement

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Publication number Priority date Publication date Assignee Title
EP0721286A3 (de) * 1995-01-09 2000-07-26 Matsushita Electric Industrial Co., Ltd. Einrichtung zur Dekodierung von Videosignalen mit Verminderung von Artefakten
US6011864A (en) * 1996-07-03 2000-01-04 Apple Computer, Inc. Digital image coding system having self-adjusting selection criteria for selecting a transform function
KR100517993B1 (ko) * 1996-12-18 2005-09-29 톰슨 콘슈머 일렉트로닉스, 인코포레이티드 효율적인 고정-길이 블록 압축 및 압축해제
US6466624B1 (en) * 1998-10-28 2002-10-15 Pixonics, Llc Video decoder with bit stream based enhancements
WO2000042778A1 (en) * 1999-01-15 2000-07-20 Koninklijke Philips Electronics N.V. Sharpness enhancement
EP1114555A1 (de) * 1999-07-20 2001-07-11 Koninklijke Philips Electronics N.V. Videokompressionsverfahren
EP1129579A1 (de) * 1999-09-14 2001-09-05 Koninklijke Philips Electronics N.V. Methode und gerät zur erkennung von blockartefakten in digitalen videobildern
JP2003517785A (ja) * 1999-12-17 2003-05-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 信号ピーキング
KR100323678B1 (ko) * 2000-02-28 2002-02-07 구자홍 화면비 변환 장치
US6950561B2 (en) * 2001-01-10 2005-09-27 Koninklijke Philips Electronics N.V. Method and system for sharpness enhancement for coded video
US6873657B2 (en) * 2001-12-27 2005-03-29 Koninklijke Philips Electronics, N.V. Method of and system for improving temporal consistency in sharpness enhancement for a video signal
US6862372B2 (en) * 2001-12-27 2005-03-01 Koninklijke Philips Electronics N.V. System for and method of sharpness enhancement using coding information and local spatial features

Also Published As

Publication number Publication date
DE60302456D1 (de) 2005-12-29
EP1506525A1 (de) 2005-02-16
CN100370484C (zh) 2008-02-20
WO2003094111A1 (en) 2003-11-13
US20030206591A1 (en) 2003-11-06
EP1506525B1 (de) 2005-11-23
CN1650328A (zh) 2005-08-03
JP2005525014A (ja) 2005-08-18
US7031388B2 (en) 2006-04-18
DE60302456T2 (de) 2006-08-03
AU2003225481A1 (en) 2003-11-17
KR20040102211A (ko) 2004-12-03

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