JP5619825B2 - 照明に基づくピクセル分配および平均化 - Google Patents
照明に基づくピクセル分配および平均化 Download PDFInfo
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- JP5619825B2 JP5619825B2 JP2012152843A JP2012152843A JP5619825B2 JP 5619825 B2 JP5619825 B2 JP 5619825B2 JP 2012152843 A JP2012152843 A JP 2012152843A JP 2012152843 A JP2012152843 A JP 2012152843A JP 5619825 B2 JP5619825 B2 JP 5619825B2
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- 238000005286 illumination Methods 0.000 title description 3
- 238000012935 Averaging Methods 0.000 title 1
- 239000003086 colorant Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 24
- 230000035945 sensitivity Effects 0.000 description 15
- 238000005070 sampling Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/44—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array
- H04N25/445—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array by skipping some contiguous pixels within the read portion of the array
-
- 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
- H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/44—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array
- H04N25/447—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array by preserving the colour pattern with or without loss of information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/46—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by combining or binning pixels
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Color Television Image Signal Generators (AREA)
- Image Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
Description
本発明のこれらのことを含むさまざまな側面、目的、特徴および利点は、好ましい実施形態の以下の詳細な記述および付属の請求項を付属の図面を参照して吟味することからより明確に理解され、認識されるであろう。
〔態様1〕
二次元アレイについてのピクセル値を読み出す方法であって:
(a)前記二次元アレイの第一の次元方向で同じ第一の色の少なくとも二つのピクセル値を周期的に組み合わせる段階と;
(b)前記第一の色の組み合わされたピクセル値を読み出す段階と;
(c)前記二次元アレイの第一の次元方向に第二の色のピクセルを読み出す段階とを有する方法。
〔態様2〕
前記第二の色の少なくとも一つのピクセルを周期的にスキップすることをさらに有する、態様1記載の方法。
〔態様3〕
段階(a)、(b)および(c)が、一様な間隔の、組み合わされた第一の色のピクセルおよび第二の色のピクセルを有するサブサンプリングされたアレイを生じる、態様2記載の方法。
〔態様4〕
前記の組み合わせることが、シーンの照明体に基づいて選択的である、態様1記載の方法。
〔態様5〕
(d)前記二次元アレイの第二の次元方向に、前記第一の色の少なくとも二つのピクセル値を周期的に組み合わせる段階をさらに有する、態様1記載の方法。
〔態様6〕
前記二次元アレイの前記第二の次元方向に、前記第二の色の少なくとも一つのピクセルを周期的にスキップすることをさらに有する、態様5記載の方法。
〔態様7〕
段階(a)、(b)、(c)および(d)が、一様な間隔の、組み合わされた第一の色のピクセルおよび第二の色のピクセルを有するサブサンプリングされたアレイを生じる、態様5記載の方法。
〔態様8〕
前記の組み合わせることが、シーンの照明体に基づいて選択的である、態様5記載の方法。
〔態様9〕
段階(a)、(b)および(c)が拡大されたダイナミックレンジを生じる、態様1記載の方法。
〔態様10〕
前記の組み合わせることが、シーンの照明体に基づいて選択的である、態様9記載の方法。
〔態様11〕
第一および第二の次元方向の両方において周期的に組み合わせることが、拡大されたダイナミックレンジを生じる、態様5記載の方法。
〔態様12〕
前記の組み合わせることが、シーンの照明体に基づいて選択的である、態様11記載の方法。
〔態様13〕
前記の組み合わせることが、シーンのダイナミックレンジに基づいて選択的である、態様11記載の方法。
〔態様14〕
前記二次元アレイの第一の次元方向に同じ第三の色のピクセルを組み合わせることをさらに含む、態様1記載の方法。
〔態様15〕
前記第一、第二および第三の色を生じるためにベイヤー・カラー・パターンを提供することをさらに含む、態様14記載の方法。
〔態様16〕
前記第一および第二の色を生じるためにベイヤー・カラー・パターンを提供することをさらに含む、態様1記載の方法。
Claims (1)
- 二次元アレイの画像のピクセル値を読み出す方法であって:
前記二次元アレイの第一の次元方向のピクセルの第一の複数のラインを選択する段階であって、該第一の複数のラインが前記画像の高さ又は前記画像の幅に等しい、段階と、
前記二次元アレイの第一の次元方向の第一の複数のラインの各ラインにおいて、同じ第一の色のピクセル値のうち相続くちょうど二つのピクセル値ずつをすべての対について周期的に組み合わせつつ、他の色のいかなるピクセル値も他のいかなるピクセル値とも組み合わせない、段階と;
前記第一の色の組み合わされたピクセル値を読み出す段階と;
前記他の色の組み合わされていないピクセル値の少なくとも一部を読み出す段階と、
読み出された前記第一の色の組み合わされたピクセル値と、読み出された前記他の色の組み合わされていないピクセル値の両方からサブサンプリングされた画像を生成する段階と、
を有する方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/185,393 US8306362B2 (en) | 2005-07-20 | 2005-07-20 | Selective pixel binning and averaging based on scene illuminant |
US11/185,393 | 2005-07-20 |
Related Parent Applications (1)
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JP2008522882A Division JP5114400B2 (ja) | 2005-07-20 | 2006-07-18 | 照明に基づくピクセル分配および平均化 |
Publications (2)
Publication Number | Publication Date |
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JP2012231521A JP2012231521A (ja) | 2012-11-22 |
JP5619825B2 true JP5619825B2 (ja) | 2014-11-05 |
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JP2008522882A Active JP5114400B2 (ja) | 2005-07-20 | 2006-07-18 | 照明に基づくピクセル分配および平均化 |
JP2012152843A Active JP5619825B2 (ja) | 2005-07-20 | 2012-07-06 | 照明に基づくピクセル分配および平均化 |
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JP2008522882A Active JP5114400B2 (ja) | 2005-07-20 | 2006-07-18 | 照明に基づくピクセル分配および平均化 |
Country Status (7)
Country | Link |
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US (1) | US8306362B2 (ja) |
EP (1) | EP1908273B1 (ja) |
JP (2) | JP5114400B2 (ja) |
KR (1) | KR101246410B1 (ja) |
CN (1) | CN101223772B (ja) |
TW (1) | TWI394445B (ja) |
WO (1) | WO2007015835A1 (ja) |
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2005
- 2005-07-20 US US11/185,393 patent/US8306362B2/en active Active
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2006
- 2006-06-23 TW TW095122752A patent/TWI394445B/zh active
- 2006-07-18 JP JP2008522882A patent/JP5114400B2/ja active Active
- 2006-07-18 EP EP06787654.0A patent/EP1908273B1/en active Active
- 2006-07-18 WO PCT/US2006/027776 patent/WO2007015835A1/en active Application Filing
- 2006-07-18 KR KR1020087001467A patent/KR101246410B1/ko active IP Right Grant
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Publication number | Publication date |
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EP1908273A1 (en) | 2008-04-09 |
JP2009503939A (ja) | 2009-01-29 |
EP1908273B1 (en) | 2018-05-09 |
WO2007015835A1 (en) | 2007-02-08 |
JP5114400B2 (ja) | 2013-01-09 |
JP2012231521A (ja) | 2012-11-22 |
KR20080030028A (ko) | 2008-04-03 |
TWI394445B (zh) | 2013-04-21 |
CN101223772A (zh) | 2008-07-16 |
TW200729929A (en) | 2007-08-01 |
US20070030366A1 (en) | 2007-02-08 |
CN101223772B (zh) | 2012-12-12 |
US8306362B2 (en) | 2012-11-06 |
KR101246410B1 (ko) | 2013-03-21 |
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