JP4571190B2 - 赤目現象を検出して補正するための方法及び装置 - Google Patents
赤目現象を検出して補正するための方法及び装置 Download PDFInfo
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Description
しかしながら、単純な変換処理では、画像を整合するのに不十分となる。したがって、奥行きの変化を補正するために、軸方向に関して被写体の点を対称的にシフトさせるX−Yせん断、軸方向に向かって座標をシフトし、座標の大きさが増加するほどシフトすることにより、被写体を縮ませるX−Y漸減又は、任意の位置周りでの回転を行う必要がある。
ここで、Aは、線形変換であり、qは変換である。
Claims (9)
- 写真用フィルムを用いないデジタル画像取得システムであって、
デジタル画像を取得するための携帯可能な装置と、
画像の取得時に照明光を照射するフラッシュユニットと、
取得画像と、該取得画像と実質的に同一の風景であって、フラッシュを用いずに得られた基準画像との比較に基づいて、前記取得画像のうち赤目現象を示す領域を検出するための赤目フィルタとを有し、
前記基準画像は、前記取得画像よりも画素解像度が低いプレビュー画像であり、複数の前記プレビュー画像のうち、前記取得画像に対応した1つの前記プレビュー画像であり、
前記フィルタは、前記プレビュー画像のアップサンプリングおよび前記取得画像のサブサンプリングのうち少なくとも一方によって、前記取得画像および前記基準画像の画素解像度を一致させるとともに、前記取得画像及び前記基準画像の少なくとも一部に対して画像の整合を行った状態で、前記比較を行うことを特徴とするデジタル画像取得システム。 - 前記フィルタは、
前記取得画像のうち赤目現象を示す色を少なくとも有する領域を識別するとともに、この識別した領域と前記基準画像における対応する領域とを比較することにより、赤目現象を示す領域を検出し、
前記対応する領域が赤目現象を示す色を有していない場合には、前記領域を、赤目現象を示す領域として特定することを特徴とする請求項1に記載のデジタル画像取得システム。 - 領域が赤目現象を示す色を有しているか否かの判別は、すべての領域に対する大域処理としての統計的基礎に基づいて行うことを特徴とする請求項2に記載のデジタル画像取得システム。
- 前記フィルタは、前記基準画像における対応する領域との比較のために、前記取得画像のうち赤目現象を示す形状および色を有する領域を識別するための形状分析部を有することを特徴とする請求項2又は3に記載のデジタル画像取得システム。
- 前記フィルタは、前記比較を行った後に、赤目現象を示すとして識別された領域が、赤目現象を示す形状を有しているか否かを判別する形状分析部を有することを特徴とする請求項2又は3に記載のデジタル画像取得システム。
- 該デジタル画像取得システムは、デジタルカメラであることを特徴とする請求項1から5のいずれか1つに記載のデジタル画像取得システム。
- 該デジタル画像取得システムは、デジタルカメラおよび外部処理装置を有するカメラであることを特徴とする請求項1から5のいずれか1つに記載のデジタル画像取得システム。
- 前記赤目フィルタは、前記外部処理装置内に設けられていることを特徴とする請求項7に記載のデジタル画像取得システム。
- 赤目現象を示す領域内において、画素の色を修正するための画素修正部を有することを特徴とする請求項1から8のいずれか1つに記載のデジタル画像取得システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US10/919,226 US7738015B2 (en) | 1997-10-09 | 2004-08-16 | Red-eye filter method and apparatus |
PCT/EP2005/005907 WO2006018056A1 (en) | 2004-08-16 | 2005-06-01 | Method and apparatus for detecting and correcting red-eye effect |
Publications (3)
Publication Number | Publication Date |
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JP2008510399A JP2008510399A (ja) | 2008-04-03 |
JP2008510399A5 JP2008510399A5 (ja) | 2008-06-19 |
JP4571190B2 true JP4571190B2 (ja) | 2010-10-27 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007526252A Active JP4571190B2 (ja) | 2004-08-16 | 2005-06-01 | 赤目現象を検出して補正するための方法及び装置 |
Country Status (5)
Country | Link |
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US (9) | US7738015B2 (ja) |
EP (1) | EP1782618A1 (ja) |
JP (1) | JP4571190B2 (ja) |
IE (1) | IES20050040A2 (ja) |
WO (1) | WO2006018056A1 (ja) |
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US7973828B2 (en) | 2011-07-05 |
US20110134287A1 (en) | 2011-06-09 |
WO2006018056A1 (en) | 2006-02-23 |
US20080211937A1 (en) | 2008-09-04 |
US7746385B2 (en) | 2010-06-29 |
EP1782618A1 (en) | 2007-05-09 |
JP2008510399A (ja) | 2008-04-03 |
US20100295959A1 (en) | 2010-11-25 |
US7787022B2 (en) | 2010-08-31 |
IES20050040A2 (en) | 2006-02-22 |
US20050041121A1 (en) | 2005-02-24 |
US8203621B2 (en) | 2012-06-19 |
US20130033624A1 (en) | 2013-02-07 |
US8279301B2 (en) | 2012-10-02 |
US20110080499A1 (en) | 2011-04-07 |
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