JP4241754B2 - 撮像装置 - Google Patents
撮像装置 Download PDFInfo
- Publication number
- JP4241754B2 JP4241754B2 JP2006111633A JP2006111633A JP4241754B2 JP 4241754 B2 JP4241754 B2 JP 4241754B2 JP 2006111633 A JP2006111633 A JP 2006111633A JP 2006111633 A JP2006111633 A JP 2006111633A JP 4241754 B2 JP4241754 B2 JP 4241754B2
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- interpolation
- pixels
- signal
- color
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 238000003384 imaging method Methods 0.000 title claims description 17
- 238000001514 detection method Methods 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 39
- 230000035945 sensitivity Effects 0.000 claims description 7
- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000010606 normalization Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
- H04N23/12—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with one sensor only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/843—Demosaicing, e.g. interpolating colour pixel values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
- H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
- H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
- H04N25/133—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements including elements passing panchromatic light, e.g. filters passing white light
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
- H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
- H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
- H04N25/135—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2209/00—Details of colour television systems
- H04N2209/04—Picture signal generators
- H04N2209/041—Picture signal generators using solid-state devices
- H04N2209/042—Picture signal generators using solid-state devices having a single pick-up sensor
- H04N2209/045—Picture signal generators using solid-state devices having a single pick-up sensor using mosaic colour filter
- H04N2209/046—Colour interpolation to calculate the missing colour values
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Color Television Image Signal Generators (AREA)
Description
図14に示すように、G画素はB画素に対して上下左右方向に位置しており、これらの相関検出は図15に示す相関検出アルゴリズムの回路で行う。
Claims (3)
- 複数色の有彩色画素と、前記有彩色画素に比べ入射光に対する感度の高い高感度画素とが互いに市松状に配置されたイメージセンサを有する撮像装置であって、
前記高感度画素の信号成分と前記有彩色画素の信号成分とから、撮像した被写体の相関関係を検出する相関検出部と、
前記有彩色画素の信号成分から、撮像した被写体が有彩色か否かを判別する色判別ブロックと、
前記色判別ブロックで判別された信号によって、被写体が有彩色か否かで、画素補間方法を切り替える処理を行い、前記色判別ブロックで有彩色と判別された場合、前記相関検出部の情報を基に相関の高い画素からの補間を優先する処理を行う画素補間部と
輝度信号を検出信号として前記画素補間処理の判定を行う相関検出ブロックから出力された高感度画素から検出した相関結果を適用してクロマ信号を生成するクロマ補間ブロックと
を備えた撮像装置。 - 前記高感度画素はホワイト画素またはグレー画素である
ことを特徴とする請求項1記載の撮像装置。 - 前記有彩画素と高感度画素の信号レベルをレベル差のない輝度信号を生成するレベルバランスブロックを備えた
請求項1記載の撮像装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006111633A JP4241754B2 (ja) | 2006-04-14 | 2006-04-14 | 撮像装置 |
KR1020070034156A KR101354128B1 (ko) | 2006-04-14 | 2007-04-06 | 촬상 장치 |
TW096112348A TW200818885A (en) | 2006-04-14 | 2007-04-09 | Imaging device |
US11/734,086 US7792356B2 (en) | 2006-04-14 | 2007-04-11 | Imaging device |
EP20070007448 EP1845712A1 (en) | 2006-04-14 | 2007-04-11 | Imaging device |
CN2007101292026A CN101080023B (zh) | 2006-04-14 | 2007-04-16 | 成像装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006111633A JP4241754B2 (ja) | 2006-04-14 | 2006-04-14 | 撮像装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007288394A JP2007288394A (ja) | 2007-11-01 |
JP2007288394A5 JP2007288394A5 (ja) | 2007-12-13 |
JP4241754B2 true JP4241754B2 (ja) | 2009-03-18 |
Family
ID=38258887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006111633A Expired - Fee Related JP4241754B2 (ja) | 2006-04-14 | 2006-04-14 | 撮像装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7792356B2 (ja) |
EP (1) | EP1845712A1 (ja) |
JP (1) | JP4241754B2 (ja) |
KR (1) | KR101354128B1 (ja) |
CN (1) | CN101080023B (ja) |
TW (1) | TW200818885A (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5085140B2 (ja) * | 2007-01-05 | 2012-11-28 | 株式会社東芝 | 固体撮像装置 |
US8077234B2 (en) * | 2007-07-27 | 2011-12-13 | Kabushiki Kaisha Toshiba | Image pickup device and method for processing an interpolated color signal |
JP4940086B2 (ja) * | 2007-10-03 | 2012-05-30 | キヤノン株式会社 | 色処理装置およびその方法 |
TWI422020B (zh) | 2008-12-08 | 2014-01-01 | Sony Corp | 固態成像裝置 |
JP5248368B2 (ja) * | 2009-03-06 | 2013-07-31 | 株式会社東芝 | 画像処理装置 |
CN102129678A (zh) * | 2010-01-12 | 2011-07-20 | 鸿富锦精密工业(深圳)有限公司 | 影像特征模型建立系统及方法以及应用其的影像处理系统 |
JP5818568B2 (ja) * | 2011-08-09 | 2015-11-18 | キヤノン株式会社 | 画像処理装置及びその制御方法 |
JP5212536B2 (ja) * | 2011-12-09 | 2013-06-19 | ソニー株式会社 | 固体撮像装置、固体撮像装置の信号処理方法および撮像装置 |
WO2013111449A1 (ja) * | 2012-01-24 | 2013-08-01 | ソニー株式会社 | 画像処理装置、および画像処理方法、並びにプログラム |
CN103905802B (zh) * | 2014-04-21 | 2016-07-13 | 浙江宇视科技有限公司 | 一种基于p模式色彩滤镜阵列的去马赛克方法及装置 |
CN104093011B (zh) * | 2014-07-22 | 2016-09-14 | 浙江宇视科技有限公司 | 一种伪彩色抑制方法和装置 |
JP5957106B2 (ja) * | 2015-02-12 | 2016-07-27 | キヤノン株式会社 | 画像処理装置、画像処理装置の制御方法及びプログラム |
CN107219168B (zh) * | 2017-08-02 | 2024-03-29 | 贵州工程应用技术学院 | 一种预损伤智能损伤探测器 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2931520B2 (ja) | 1993-08-31 | 1999-08-09 | 三洋電機株式会社 | 単板式カラービデオカメラの色分離回路 |
US5652621A (en) * | 1996-02-23 | 1997-07-29 | Eastman Kodak Company | Adaptive color plane interpolation in single sensor color electronic camera |
JP3707259B2 (ja) * | 1998-09-10 | 2005-10-19 | コニカミノルタフォトイメージング株式会社 | 画像合成方法及びこの方法を用いた画像合成装置 |
JP4129338B2 (ja) * | 1999-04-30 | 2008-08-06 | オリンパス株式会社 | カラー撮像素子及び撮像装置 |
JP2001218073A (ja) | 1999-10-14 | 2001-08-10 | Hitachi Kokusai Electric Inc | 画像信号処理方法およびその方法を用いた画像信号処理装置およびその方法の手順を表すプログラムコードを記録した記録媒体 |
JP2001218037A (ja) | 2000-01-31 | 2001-08-10 | Canon Inc | 画像形成装置及びその制御方法 |
JP2001245311A (ja) * | 2000-02-28 | 2001-09-07 | Matsushita Electric Ind Co Ltd | 固体カラー撮像装置 |
JP4195169B2 (ja) * | 2000-03-14 | 2008-12-10 | 富士フイルム株式会社 | 固体撮像装置および信号処理方法 |
JP4043197B2 (ja) * | 2000-03-24 | 2008-02-06 | 三洋電機株式会社 | 単板式カラーカメラの色分離回路 |
JP4372955B2 (ja) | 2000-03-31 | 2009-11-25 | 富士フイルム株式会社 | 固体撮像装置および信号処理方法 |
JP4460751B2 (ja) * | 2000-11-24 | 2010-05-12 | オリンパス株式会社 | 撮像素子および撮像装置 |
EP1357760B1 (en) * | 2001-01-09 | 2011-11-09 | Sony Corporation | Image processing device and method |
CN1312939C (zh) * | 2001-01-25 | 2007-04-25 | 株式会社尼康 | 图像处理方法、图像处理程序、图像处理装置 |
JP2003316163A (ja) | 2002-04-26 | 2003-11-06 | Pfu Ltd | 液体現像方法及び液体現像装置 |
JP4500574B2 (ja) | 2004-03-30 | 2010-07-14 | 富士フイルム株式会社 | 広ダイナミックレンジカラー固体撮像装置及びこの固体撮像装置を搭載したデジタルカメラ |
US7508431B2 (en) * | 2004-06-17 | 2009-03-24 | Hoya Corporation | Solid state imaging device |
US7324707B2 (en) * | 2004-10-12 | 2008-01-29 | Altek Corporation | Interpolation method for generating pixel color |
JP4840740B2 (ja) | 2004-12-01 | 2011-12-21 | 株式会社メガチップス | 画素補間方法および画像判定方法 |
-
2006
- 2006-04-14 JP JP2006111633A patent/JP4241754B2/ja not_active Expired - Fee Related
-
2007
- 2007-04-06 KR KR1020070034156A patent/KR101354128B1/ko not_active IP Right Cessation
- 2007-04-09 TW TW096112348A patent/TW200818885A/zh not_active IP Right Cessation
- 2007-04-11 US US11/734,086 patent/US7792356B2/en not_active Expired - Fee Related
- 2007-04-11 EP EP20070007448 patent/EP1845712A1/en not_active Withdrawn
- 2007-04-16 CN CN2007101292026A patent/CN101080023B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW200818885A (en) | 2008-04-16 |
US7792356B2 (en) | 2010-09-07 |
TWI339064B (ja) | 2011-03-11 |
EP1845712A1 (en) | 2007-10-17 |
CN101080023A (zh) | 2007-11-28 |
KR101354128B1 (ko) | 2014-01-22 |
JP2007288394A (ja) | 2007-11-01 |
US20080123943A1 (en) | 2008-05-29 |
CN101080023B (zh) | 2010-12-08 |
KR20070102398A (ko) | 2007-10-18 |
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