JP2004199695A - 視覚的特性を自動的に選択して背景に対して目標を強調表示する方法 - Google Patents
視覚的特性を自動的に選択して背景に対して目標を強調表示する方法 Download PDFInfo
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- JP2004199695A JP2004199695A JP2003420197A JP2003420197A JP2004199695A JP 2004199695 A JP2004199695 A JP 2004199695A JP 2003420197 A JP2003420197 A JP 2003420197A JP 2003420197 A JP2003420197 A JP 2003420197A JP 2004199695 A JP2004199695 A JP 2004199695A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—Two-dimensional [2D] image generation
- G06T11/60—Creating or editing images; Combining images with text
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/1444—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/18—Extraction of features or characteristics of the image
- G06V30/18105—Extraction of features or characteristics of the image related to colour
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30176—Document
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
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Abstract
【解決手段】 領域100の平均特性を算出し、この領域100の共分散を決定し、この共分散を逆にして逆共分散を生成し、目標特性を評価し、平均特性と目標特性との差を決定し、この差を転置して、差の転置行列を生成し、差を乗じた逆共分散を差の転置行列に乗じた積から顕著性を決定する。一つの受入れ基準に対してこの顕著性を比較して、この顕著性が受入れ基準を満足しない場合に、目標特性を調節し、差の決定ステップ、差の転置ステップ、顕著性の決定ステップ及び顕著性の比較ステップを繰り返す。受入れ基準を満足する場合、目標特性を出力する。これにより、目的物130がその他の注意拡散物120から視覚的に強調される。
【選択図】図1
Description
Claims (5)
- 一領域内の特性空間の視覚的特性を選択するための方法であって、
該領域の逆共分散と、目標特性と該領域の平均特性との差とに基づいて顕著性を決定するステップと、
少なくとも一つの受入れ基準に対して該顕著性を比較するステップと、
前記顕著性が前記少なくとも一つの受入れ基準を満足しない場合に、前記目標特性を調節し、前記顕著性の決定ステップと、該顕著性の比較ステップとを繰り返すステップと、
前記顕著性が前記少なくとも一つの受入れ基準を満足する場合に、前記目標特性を出力するステップと
を備えたことを特徴とする方法。 - 請求項1に記載の方法であって、
顕著性を決定するステップは、
前記領域の平均特性を決定するステップと、
前記領域の共分散を決定するステップと、
該共分散を逆にして、逆共分散を生成するステップと、
目標特性を評価するステップと、
前記平均特性と前記評価された目標特性との差を決定するステップと、
該差を転置し、差の転置行列を生成するステップと、
該差を乗じた前記逆共分散を、前記差の転置行列に乗じて得られる積を決定して前記顕著性を生成するステップと
を備えたことを特徴とする方法。 - 請求項1に記載の方法であって、
顕著性を決定するステップは、マハラノビス距離を決定するステップを含むことを特徴とする方法。 - 請求項3に記載の方法であって、
マハラノビス距離を決定するステップは、次式の数列を決定するステップを含むことを特徴とする方法。
Δ2=(T−μ)’Σ-1(T−μ)
ここで、
Δはマハラノビス距離、
Tは目標特性、
μは平均特性、
Σ-1は逆共分散
である。 - 一領域内の特性空間の特性を選択するための方法であって、
該領域の平均特性を決定するステップと、
該領域の共分散を決定するステップと、
該共分散を逆にして、逆共分散を生成するステップと、
目標特性を評価するステップと、
前記平均特性と前記目標特性との差を決定するステップと、
該差を転置して、差の転置行列を生成するステップと、
該差を乗じた前記逆共分散を、前記差の転置行列に乗じて得られる積から顕著性を決定するステップと、
少なくとも一つの受入れ基準に対して該顕著性を比較するステップと、
該顕著性が前記少なくとも一つの受入れ基準を満足しない場合に、前記目標特性を調節し、前記顕著性の決定ステップと、該顕著性の比較ステップとを繰り返すステップと、
前記顕著性が前記少なくとも一つの受入れ基準を満足する場合に、前記目標特性を出力するステップと
を備えたことを特徴とする方法。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/321,662 US7130461B2 (en) | 2002-12-18 | 2002-12-18 | Systems and method for automatically choosing visual characteristics to highlight a target against a background |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004199695A true JP2004199695A (ja) | 2004-07-15 |
| JP4579529B2 JP4579529B2 (ja) | 2010-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2003420197A Expired - Fee Related JP4579529B2 (ja) | 2002-12-18 | 2003-12-17 | 視覚的特性を自動的に選択して背景に対して目標を強調表示する方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7130461B2 (ja) |
| JP (1) | JP4579529B2 (ja) |
| BR (1) | BRPI0306042B1 (ja) |
| CA (1) | CA2452961C (ja) |
| MX (1) | MXPA03011504A (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010140291A1 (ja) * | 2009-06-02 | 2010-12-09 | 日本電気株式会社 | 情報処理装置 |
| WO2011074198A1 (ja) * | 2009-12-14 | 2011-06-23 | パナソニック株式会社 | ユーザインタフェース装置および入力方法 |
| JP2013183180A (ja) * | 2012-02-29 | 2013-09-12 | Ricoh Co Ltd | 画像処理装置、及び無色トナー画像の表示方法 |
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| CN100545865C (zh) * | 2007-01-24 | 2009-09-30 | 中国科学院自动化研究所 | 一种对图像初始分割边界进行优化的自动分割方法 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010140291A1 (ja) * | 2009-06-02 | 2010-12-09 | 日本電気株式会社 | 情報処理装置 |
| WO2011074198A1 (ja) * | 2009-12-14 | 2011-06-23 | パナソニック株式会社 | ユーザインタフェース装置および入力方法 |
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| JP2013183180A (ja) * | 2012-02-29 | 2013-09-12 | Ricoh Co Ltd | 画像処理装置、及び無色トナー画像の表示方法 |
Also Published As
| Publication number | Publication date |
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| MXPA03011504A (es) | 2004-09-10 |
| BR0306042A (pt) | 2004-08-31 |
| BRPI0306042B1 (pt) | 2016-04-12 |
| US7130461B2 (en) | 2006-10-31 |
| JP4579529B2 (ja) | 2010-11-10 |
| CA2452961C (en) | 2008-04-08 |
| US20040120574A1 (en) | 2004-06-24 |
| CA2452961A1 (en) | 2004-06-18 |
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