JP4194479B2 - 画像処理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体 - Google Patents

画像処理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体 Download PDF

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JP4194479B2
JP4194479B2 JP2003390752A JP2003390752A JP4194479B2 JP 4194479 B2 JP4194479 B2 JP 4194479B2 JP 2003390752 A JP2003390752 A JP 2003390752A JP 2003390752 A JP2003390752 A JP 2003390752A JP 4194479 B2 JP4194479 B2 JP 4194479B2
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JP2005159419A (ja
JP2005159419A5 (enExample
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秀昭 服部
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Canon Inc
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Canon Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/162User input
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
JP2003390752A 2003-11-20 2003-11-20 画像処理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体 Expired - Fee Related JP4194479B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003390752A JP4194479B2 (ja) 2003-11-20 2003-11-20 画像処理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
US10/988,567 US7382932B2 (en) 2003-11-20 2004-11-16 Image processing apparatus and method, and computer program and computer-readable storage medium
US12/106,627 US7542623B2 (en) 2003-11-20 2008-04-21 Image processing apparatus and method, and computer program and computer-readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003390752A JP4194479B2 (ja) 2003-11-20 2003-11-20 画像処理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体

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JP2005159419A JP2005159419A (ja) 2005-06-16
JP2005159419A5 JP2005159419A5 (enExample) 2007-01-11
JP4194479B2 true JP4194479B2 (ja) 2008-12-10

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JP (1) JP4194479B2 (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060034531A1 (en) * 2004-05-10 2006-02-16 Seiko Epson Corporation Block noise level evaluation method for compressed images and control method of imaging device utilizing the evaluation method
JP4641892B2 (ja) * 2005-07-27 2011-03-02 パナソニック株式会社 動画像符号化装置、方法、及びプログラム
JP2007189657A (ja) * 2005-12-16 2007-07-26 Fuji Xerox Co Ltd 画像評価装置、画像評価方法及びプログラム
KR100882949B1 (ko) * 2006-08-17 2009-02-10 한국전자통신연구원 화소 유사성에 따라 적응적인 이산 코사인 변환 계수스캐닝을 이용한 부호화/복호화 장치 및 그 방법
JP4775202B2 (ja) * 2006-09-15 2011-09-21 ソニー株式会社 表示制御装置、表示制御方法、およびプログラム
JP5031419B2 (ja) * 2007-03-26 2012-09-19 三菱電機株式会社 符号化装置
US8229229B2 (en) * 2007-04-09 2012-07-24 Tektronix, Inc. Systems and methods for predicting video location of attention focus probability trajectories due to distractions
US8036485B2 (en) * 2007-04-09 2011-10-11 Tektronix, Inc. Systems and methods for measuring loss of detail in a video codec block
JP4958713B2 (ja) * 2007-10-04 2012-06-20 キヤノン株式会社 動画像符号化装置及びその制御方法
JP4539755B2 (ja) * 2008-04-11 2010-09-08 ソニー株式会社 情報処理システム及び情報処理方法、並びにプログラム
JP5648800B2 (ja) 2008-06-26 2015-01-07 日本電気株式会社 高品質コンテンツ生成システムと、その方法及びプログラム
WO2009157402A1 (ja) 2008-06-26 2009-12-30 日本電気株式会社 コンテンツ再生制御システムと、その方法及びプログラム
WO2010009637A1 (zh) 2008-07-21 2010-01-28 华为技术有限公司 一种视频质量评估方法、系统及装置
JP2010087949A (ja) * 2008-10-01 2010-04-15 Nec Electronics Corp デコーダー検証装置およびデコーダー検証方法
US8347023B2 (en) * 2008-10-06 2013-01-01 Marvell World Trade Ltd. Compression based wear leveling for non-volatile memory
JP5495625B2 (ja) 2009-06-01 2014-05-21 キヤノン株式会社 監視カメラシステム、監視カメラ及び監視カメラ制御装置
JP2011066704A (ja) * 2009-09-17 2011-03-31 Konica Minolta Business Technologies Inc 画像復号装置
JP5705833B2 (ja) 2010-04-13 2015-04-22 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America 画像符号化方法および画像復号化方法
JP2012104945A (ja) * 2010-11-08 2012-05-31 Sony Corp 画像処理装置と画像処理方法およびプログラム
US8428375B2 (en) * 2010-11-17 2013-04-23 Via Technologies, Inc. System and method for data compression and decompression in a graphics processing system
JP5858332B2 (ja) * 2011-10-13 2016-02-10 株式会社リコー 用紙処理装置及び画像形成装置
JP6484646B2 (ja) * 2014-03-31 2019-03-13 フィリップス ライティング ホールディング ビー ヴィ 占有状態決定を向上させるシステム及び方法
US10559106B2 (en) * 2015-11-16 2020-02-11 Huawei Technologies Co., Ltd. Video smoothing method and apparatus
JP7129326B2 (ja) 2018-12-14 2022-09-01 キヤノン株式会社 撮像装置及びその制御方法及びプログラム
CN110428415B (zh) * 2019-08-05 2022-05-13 上海联影医疗科技股份有限公司 医学图像的质量评估方法、装置、设备及存储介质
CN111953939B (zh) * 2020-07-31 2021-06-22 中标慧安信息技术股份有限公司 提高监控视频存证正确率的方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930003757A (ko) * 1991-07-31 1993-02-24 오오가 노리오 영상 신호 전송 장치 및 방법
JP3144573B2 (ja) 1991-07-31 2001-03-12 ソニー株式会社 映像信号伝送装置
JP3105335B2 (ja) 1992-02-07 2000-10-30 株式会社ハドソン 画像の直交変換符号化による圧縮・伸張方法
JP3288811B2 (ja) 1993-07-26 2002-06-04 日本無線株式会社 ビデオコーデックにおける後処理フィルタ制御方式及び後処理フィルタ制御回路
JP3365572B2 (ja) * 1993-11-15 2003-01-14 ソニー株式会社 画像信号処理方法
JP3540855B2 (ja) * 1995-03-08 2004-07-07 シャープ株式会社 ブロック歪み補正器
JP2002232889A (ja) 2001-01-31 2002-08-16 Sony Corp ブロック歪低減回路、再生装置、受信装置、ブロック歪低減方法
JP2003018600A (ja) 2001-07-04 2003-01-17 Hitachi Ltd 画像復号装置

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JP2005159419A (ja) 2005-06-16
US7542623B2 (en) 2009-06-02
US20050111542A1 (en) 2005-05-26
US7382932B2 (en) 2008-06-03
US20080205788A1 (en) 2008-08-28

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