JP5417909B2 - 画像処理装置および方法 - Google Patents

画像処理装置および方法 Download PDF

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Publication number
JP5417909B2
JP5417909B2 JP2009057940A JP2009057940A JP5417909B2 JP 5417909 B2 JP5417909 B2 JP 5417909B2 JP 2009057940 A JP2009057940 A JP 2009057940A JP 2009057940 A JP2009057940 A JP 2009057940A JP 5417909 B2 JP5417909 B2 JP 5417909B2
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Japan
Prior art keywords
block
pixel
image
intensity
block noise
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Expired - Fee Related
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JP2009057940A
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Japanese (ja)
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JP2009246958A5 (enExample
JP2009246958A (ja
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幸治 青山
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Sony Corp
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Sony Corp
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Priority to JP2009057940A priority Critical patent/JP5417909B2/ja
Publication of JP2009246958A publication Critical patent/JP2009246958A/ja
Priority to US12/716,078 priority patent/US8452120B2/en
Priority to CN201010126996A priority patent/CN101835041A/zh
Priority to EP20100155448 priority patent/EP2228990A3/en
Publication of JP2009246958A5 publication Critical patent/JP2009246958A5/ja
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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
    • H04N19/134—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
    • 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
    • H04N19/169—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
    • H04N19/85—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Picture Signal Circuits (AREA)
JP2009057940A 2008-03-11 2009-03-11 画像処理装置および方法 Expired - Fee Related JP5417909B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009057940A JP5417909B2 (ja) 2008-03-11 2009-03-11 画像処理装置および方法
US12/716,078 US8452120B2 (en) 2008-03-11 2010-03-02 Image processing device and method
CN201010126996A CN101835041A (zh) 2008-03-11 2010-03-04 图像处理设备和方法
EP20100155448 EP2228990A3 (en) 2008-03-11 2010-03-04 Image processing device and method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008061154 2008-03-11
JP2008061154 2008-03-11
JP2009057940A JP5417909B2 (ja) 2008-03-11 2009-03-11 画像処理装置および方法

Publications (3)

Publication Number Publication Date
JP2009246958A JP2009246958A (ja) 2009-10-22
JP2009246958A5 JP2009246958A5 (enExample) 2012-04-26
JP5417909B2 true JP5417909B2 (ja) 2014-02-19

Family

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Family Applications (1)

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JP2009057940A Expired - Fee Related JP5417909B2 (ja) 2008-03-11 2009-03-11 画像処理装置および方法

Country Status (4)

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US (2) US8401311B2 (enExample)
EP (2) EP2101505A3 (enExample)
JP (1) JP5417909B2 (enExample)
CN (2) CN101534446B (enExample)

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KR20140017018A (ko) * 2010-04-07 2014-02-10 가부시키가이샤 제이브이씨 켄우드 동화상 부호화 장치, 동화상 부호화 방법 및 동화상 부호화 프로그램, 및 동화상 복호 장치, 동화상 복호 방법 및 동화상 복호 프로그램
WO2011161081A1 (en) * 2010-06-25 2011-12-29 Oce-Technologies B.V. Method to enhance detailed information
US8675971B2 (en) * 2011-03-25 2014-03-18 Aptina Imaging Corporation Method and apparatus for classifying image pixels
JP2014150295A (ja) * 2011-05-24 2014-08-21 Sharp Corp ノイズ低減装置、表示装置、ノイズ低減方法およびノイズ低減プログラム
JP5399578B2 (ja) * 2012-05-16 2014-01-29 シャープ株式会社 画像処理装置、動画像処理装置、映像処理装置、画像処理方法、映像処理方法、テレビジョン受像機、プログラム、及び記録媒体
WO2015045828A1 (ja) * 2013-09-27 2015-04-02 富士フイルム株式会社 撮像装置及び撮像方法
JP2016126037A (ja) * 2014-12-26 2016-07-11 ソニー株式会社 信号処理装置、および信号処理方法、並びにプログラム
KR102192488B1 (ko) * 2015-11-25 2020-12-17 삼성전자주식회사 프레임 레이트 변환 장치 및 그 프레임 레이트 변환 방법
EP3247102B1 (en) 2016-05-16 2018-08-01 Axis AB Method and device in a camera network system
CN108540740B (zh) * 2018-05-08 2020-08-04 海信视像科技股份有限公司 一种图像补偿方法、装置及终端
CN109147703B (zh) * 2018-09-28 2020-10-16 惠科股份有限公司 显示面板及其驱动方法、装置、设备、可读存储介质
WO2020121668A1 (ja) * 2018-12-14 2020-06-18 富士フイルム株式会社 ミニバッチ学習装置とその作動プログラムおよび作動方法
CN114998136B (zh) * 2022-01-29 2025-04-04 杭州微影软件有限公司 一种热成像图像校正方法和装置
US12423905B2 (en) * 2023-07-21 2025-09-23 Nvidia Corporation Denoising dynamically ray-traced scenes using temporal and spatial variances of historical pixel values
US12444017B2 (en) 2023-07-21 2025-10-14 Nvidia Corporation Denoising dynamically ray-traced scenes using historical pixel values
CN118430465B (zh) * 2024-07-03 2024-09-10 深圳市华海电子科技有限公司 一种面向智能显示屏的背光补偿方法、系统及显示屏

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
JP3800704B2 (ja) 1997-02-13 2006-07-26 ソニー株式会社 映像信号処理装置及び方法
CN1136719C (zh) 1997-05-28 2004-01-28 索尼公司 减少数据块失真的方法和装置及编码数据的方法和装置
JP2000102020A (ja) * 1998-09-28 2000-04-07 Yasuhiko Arakawa デジタル画像処理装置および画像信号のフィルタリング方法
CN1286575A (zh) * 1999-08-25 2001-03-07 松下电器产业株式会社 噪声检测方法、噪声检测装置及图象编码装置
JP2001204029A (ja) 1999-08-25 2001-07-27 Matsushita Electric Ind Co Ltd ノイズ検出方法、ノイズ検出装置及び画像復号化装置
US7054500B1 (en) * 2000-12-06 2006-05-30 Realnetworks, Inc. Video compression and decompression system with postfilter to filter coding artifacts
JP2005012641A (ja) 2003-06-20 2005-01-13 Matsushita Electric Ind Co Ltd ブロックノイズ検出装置及びそれを用いたブロックノイズ除去装置
CN1846441A (zh) * 2003-07-02 2006-10-11 索尼株式会社 块失真检测设备、块失真检测方法和视频信号处理设备
JP2005079617A (ja) 2003-08-28 2005-03-24 Victor Co Of Japan Ltd ブロック歪み低減装置、ブロック歪み低減方法、及びブロック歪み低減用プログラム
KR100628839B1 (ko) * 2004-03-30 2006-09-27 학교법인 성균관대학 모서리 잡음 검출 및 보상방법
US7616782B2 (en) * 2004-05-07 2009-11-10 Intelliview Technologies Inc. Mesh based frame processing and applications
US20060022995A1 (en) * 2004-07-30 2006-02-02 Yi-Pin Chang Method for reducing noise in digital images
JP2006157238A (ja) 2004-11-26 2006-06-15 Canon Inc 画像処理装置及び画像処理方法
JP4649355B2 (ja) 2006-03-27 2011-03-09 富士通株式会社 ブロックノイズ検出方法及び装置並びにブロックノイズ低減方法及び装置
JP4747917B2 (ja) 2006-04-03 2011-08-17 株式会社日立製作所 デジタル放送受信装置
JP2008061154A (ja) 2006-09-04 2008-03-13 Matsushita Electric Ind Co Ltd 無線装置およびそのプログラム
JP2008158732A (ja) * 2006-12-22 2008-07-10 Matsushita Electric Ind Co Ltd 画像処理装置
JP4780070B2 (ja) 2007-09-03 2011-09-28 マツダ株式会社 エンジンの燃焼状態検出装置

Also Published As

Publication number Publication date
EP2101505A2 (en) 2009-09-16
EP2228990A2 (en) 2010-09-15
US20100231798A1 (en) 2010-09-16
US20090232407A1 (en) 2009-09-17
EP2101505A3 (en) 2012-09-05
CN101835041A (zh) 2010-09-15
CN101534446A (zh) 2009-09-16
US8401311B2 (en) 2013-03-19
JP2009246958A (ja) 2009-10-22
US8452120B2 (en) 2013-05-28
EP2228990A3 (en) 2012-09-05
CN101534446B (zh) 2012-04-18

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