CN100521728C - 用于垂直缩放像素数据的方法及设备 - Google Patents

用于垂直缩放像素数据的方法及设备 Download PDF

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Publication number
CN100521728C
CN100521728C CNB2005800187271A CN200580018727A CN100521728C CN 100521728 C CN100521728 C CN 100521728C CN B2005800187271 A CNB2005800187271 A CN B2005800187271A CN 200580018727 A CN200580018727 A CN 200580018727A CN 100521728 C CN100521728 C CN 100521728C
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China
Prior art keywords
row pixels
component
color space
ycbcr
sampling rate
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Expired - Fee Related
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CNB2005800187271A
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English (en)
Chinese (zh)
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CN1965568A (zh
Inventor
韦恩·D·扬
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Nvidia Corp
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Nvidia Corp
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Publication of CN1965568A publication Critical patent/CN1965568A/zh
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Publication of CN100521728C publication Critical patent/CN100521728C/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4015—Image demosaicing, e.g. colour filter arrays [CFA] or Bayer patterns

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Controls And Circuits For Display Device (AREA)
CNB2005800187271A 2004-04-30 2005-04-25 用于垂直缩放像素数据的方法及设备 Expired - Fee Related CN100521728C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83747404A 2004-04-30 2004-04-30
US10/837,474 2004-04-30

Publications (2)

Publication Number Publication Date
CN1965568A CN1965568A (zh) 2007-05-16
CN100521728C true CN100521728C (zh) 2009-07-29

Family

ID=34967112

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005800187271A Expired - Fee Related CN100521728C (zh) 2004-04-30 2005-04-25 用于垂直缩放像素数据的方法及设备

Country Status (5)

Country Link
EP (1) EP1741282A1 (fr)
JP (2) JP2007535869A (fr)
CN (1) CN100521728C (fr)
TW (1) TWI413900B (fr)
WO (1) WO2005112425A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007251723A (ja) * 2006-03-17 2007-09-27 Sanyo Electric Co Ltd 投写型映像表示装置
US8107724B2 (en) 2008-08-02 2012-01-31 Vantrix Corporation Method and system for predictive scaling of colour mapped images
US9350899B2 (en) * 2012-09-14 2016-05-24 Qualcomm Incorporated Methods and device for efficient resampling and resizing of digital images

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1192631A (zh) * 1997-03-04 1998-09-09 华邦电子股份有限公司 一种矩阵运算实现色彩空间转换的方法及装置
EP0881822A2 (fr) * 1997-05-28 1998-12-02 Hewlett-Packard Company Amélioration de la définition chromatique à partir de la luminance
US5914753A (en) * 1996-11-08 1999-06-22 Chrontel, Inc. Apparatus and method to convert computer graphics signals to television video signals with vertical and horizontal scaling requiring no frame buffers
EP0969674A2 (fr) * 1998-07-03 2000-01-05 Canon Kabushiki Kaisha Dispositif de prise de vues à l'état solide pour traiter des signaux d'images par blocs
US6348950B1 (en) * 1998-08-24 2002-02-19 Sony Corporation Video signal processing circuit and image pickup apparatus using the circuit

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5613084A (en) * 1994-10-04 1997-03-18 Panasonic Technologies, Inc. Interpolation filter selection circuit for sample rate conversion using phase quantization
JP3188135B2 (ja) * 1995-05-19 2001-07-16 三洋電機株式会社 映像信号処理回路
JPH10136316A (ja) * 1996-10-25 1998-05-22 Fuji Film Micro Device Kk 画像データ処理装置および画像データ処理方法
JPH10191392A (ja) * 1996-10-29 1998-07-21 Sony Corp 画像信号処理装置
JPH10285611A (ja) * 1997-03-31 1998-10-23 Sony Corp 画像データ処理装置およびその方法
JP4006908B2 (ja) * 1999-11-26 2007-11-14 セイコーエプソン株式会社 単板式固体撮像素子の色補間方法および単板式固体撮像素子の色補間処理プログラムを記録した記録媒体
JP2002141805A (ja) * 2000-03-30 2002-05-17 Matsushita Electric Ind Co Ltd 符号化器および通信デバイス
GB2369924A (en) * 2000-12-07 2002-06-12 Sony Uk Ltd Selecting representative video images using image properties
EP1356670A1 (fr) * 2000-12-11 2003-10-29 Koninklijke Philips Electronics N.V. Desentrelacement a compensation de mouvement dans le traitement de signaux video
JP2003005723A (ja) * 2001-06-22 2003-01-08 Hitachi Ltd 液晶表示装置及び電子機器
JP4267848B2 (ja) * 2001-09-25 2009-05-27 株式会社リコー 画像符号化装置、画像復号装置、画像符号化方法、及び、画像復号方法
JP2003244714A (ja) * 2002-02-19 2003-08-29 Mega Chips Corp 画像処理装置及びデジタルスチルカメラ
JP2003304505A (ja) * 2002-04-11 2003-10-24 Matsushita Electric Ind Co Ltd 映像信号出力装置、および映像信号出力方法
JP2003348446A (ja) * 2002-05-27 2003-12-05 Matsushita Electric Ind Co Ltd 映像信号処理装置
JP4798747B2 (ja) * 2004-01-26 2011-10-19 シャープ株式会社 文字表示装置、文字表示方法および記録媒体
US7050065B1 (en) * 2004-04-15 2006-05-23 Nvidia Corporation Minimalist color space converters for optimizing image processing operations

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914753A (en) * 1996-11-08 1999-06-22 Chrontel, Inc. Apparatus and method to convert computer graphics signals to television video signals with vertical and horizontal scaling requiring no frame buffers
CN1192631A (zh) * 1997-03-04 1998-09-09 华邦电子股份有限公司 一种矩阵运算实现色彩空间转换的方法及装置
EP0881822A2 (fr) * 1997-05-28 1998-12-02 Hewlett-Packard Company Amélioration de la définition chromatique à partir de la luminance
EP0969674A2 (fr) * 1998-07-03 2000-01-05 Canon Kabushiki Kaisha Dispositif de prise de vues à l'état solide pour traiter des signaux d'images par blocs
US6348950B1 (en) * 1998-08-24 2002-02-19 Sony Corporation Video signal processing circuit and image pickup apparatus using the circuit

Also Published As

Publication number Publication date
WO2005112425A1 (fr) 2005-11-24
JP2007535869A (ja) 2007-12-06
TWI413900B (zh) 2013-11-01
TW200538933A (en) 2005-12-01
CN1965568A (zh) 2007-05-16
EP1741282A1 (fr) 2007-01-10
JP5106483B2 (ja) 2012-12-26
JP2009282527A (ja) 2009-12-03

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