JP2006146919A - 画質欠陥を検出するためのシステム及び方法 - Google Patents
画質欠陥を検出するためのシステム及び方法 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
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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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
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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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
- H04N1/00015—Reproducing apparatus
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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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
- H04N1/00023—Colour systems
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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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00026—Methods therefor
- H04N1/00029—Diagnosis, i.e. identifying a problem by comparison with a normal state
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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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00026—Methods therefor
- H04N1/00039—Analysis, i.e. separating and studying components of a greater whole
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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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00026—Methods therefor
- H04N1/00047—Methods therefor using an image not specifically designed for the purpose
-
- 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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00026—Methods therefor
- H04N1/00063—Methods therefor using at least a part of the apparatus itself, e.g. self-testing
-
- 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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00071—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for characterised by the action taken
- H04N1/00082—Adjusting or controlling
- H04N1/00084—Recovery or repair, e.g. self-repair
-
- 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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00071—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for characterised by the action taken
- H04N1/00082—Adjusting or controlling
- H04N1/00087—Setting or calibrating
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06T2207/30108—Industrial image inspection
- G06T2207/30144—Printing quality
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Quality & Reliability (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Facsimiles In General (AREA)
- Color Image Communication Systems (AREA)
- Image Analysis (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
【解決手段】オリジナル画像データが画像レンダリング・デバイスによってレンダリングされ、画像取り込みデバイスによって取り込まれる。レンダリング・デバイスの画質欠陥が特定される位置を示す情報を与えるために、関心領域が特定される。各関心領域において、オリジナル画像データを対応する関心領域の取り込まれた画像データと比較して、関心領域における取り込まれた画像の色差を求めることができる。その後、色差はデバイスに関係しないカラースペースからデバイスに依存するカラースペースに変換することができる。変換された色差と関心領域におけるオリジナル画像データの入力強度に基づいて、関心領域及び/又は関心領域を含む走査線及び行のラインに関する着色剤誤差を求める。
【選択図】図1
Description
添付の図面を参照しながら、種々の例示的な詳細がここで説明される。
P0(x)=1
P1(x)=1
nPn(x)=(2n−1)×Pn-1(x)−(n−1)Pn-2(x) (1)
それにより式(1)は次の形になる。
A0P0(x)+A1P1(x)+...AnPn(x)
8100:画像データソース
8200:画像レンダリング・デバイス
8300:画像取り込みデバイス
8400:画像処理デバイス
8500:コントローラ
8600:メモリ
Claims (2)
- 画質欠陥を検出する方法であって、
電子画像データを含む電子画像を取得し、
前記電子画像データに基づいて画像をレンダリングし、
前記レンダリングされた画像を、取り込まれた画像データを含む状態で取り込み、
前記電子画像を前記取り込まれた画像に重ね合わせ、
前記電子画像における少なくとも1つの関心領域を特定し、
前記電子画像における少なくとも1つの関心領域の電子画像データを、対応する領域の取り込まれた画像データと比較して、着色剤誤差を求める、
ことを含む方法。 - 画質欠陥を検出するシステムであって、
オリジナル画像の画像データを与える画像データソースと、
前記オリジナル画像のレンダリングされた画像を与える画像レンダリング・デバイスと、
前記レンダリングされた画像を取り込む画像取り込みデバイスと、
前記オリジナル画像データと前記取り込まれた画像データを処理して、少なくとも1つの関心領域を検出し、前記少なくとも1つの関心領域の画像データを前記取り込まれた画像と比較し、前記関心領域における前記レンダリングされた画像の着色剤誤差を求める処理デバイスと、
を含むシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/992726 | 2004-11-22 | ||
US10/992,726 US7376269B2 (en) | 2004-11-22 | 2004-11-22 | Systems and methods for detecting image quality defects |
Publications (2)
Publication Number | Publication Date |
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JP2006146919A true JP2006146919A (ja) | 2006-06-08 |
JP4860243B2 JP4860243B2 (ja) | 2012-01-25 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2005329939A Expired - Fee Related JP4860243B2 (ja) | 2004-11-22 | 2005-11-15 | 画質欠陥を検出するためのシステム及び方法 |
Country Status (2)
Country | Link |
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US (1) | US7376269B2 (ja) |
JP (1) | JP4860243B2 (ja) |
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JPH0792103A (ja) * | 1993-09-22 | 1995-04-07 | Toshiba Corp | 印刷物検査装置 |
JPH07198626A (ja) * | 1993-12-28 | 1995-08-01 | Toshiba Corp | 印刷装置 |
JPH08118596A (ja) * | 1994-10-18 | 1996-05-14 | Sony Corp | スクリーン印刷装置 |
JPH0981735A (ja) * | 1995-09-08 | 1997-03-28 | Toshiba Corp | 印刷物の目視検査補助装置 |
JPH09136411A (ja) * | 1995-09-11 | 1997-05-27 | N O Ke G & G Opt Electron Kk | プリンタ装置 |
JPH09131951A (ja) * | 1995-11-08 | 1997-05-20 | Dainippon Printing Co Ltd | 印刷品質判定装置 |
JPH1139482A (ja) * | 1997-07-15 | 1999-02-12 | Toshiba Corp | 印刷物の検査装置 |
JPH1178183A (ja) * | 1997-09-08 | 1999-03-23 | N O Ke G & G Opt Electron Kk | 印刷物検査装置およびプリンタ装置 |
JPH11298646A (ja) * | 1998-04-13 | 1999-10-29 | Asahi Optical Co Ltd | プリンタ装置 |
JP2000335062A (ja) * | 1999-05-28 | 2000-12-05 | Minolta Co Ltd | 印刷検査方法 |
JP2002063566A (ja) * | 2000-08-17 | 2002-02-28 | Rengo Co Ltd | 枚葉紙の印刷検査装置 |
JP2003054096A (ja) * | 2001-08-17 | 2003-02-26 | Chescom International Co Ltd | 印刷物検査装置およびプリンタシステム |
Also Published As
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JP4860243B2 (ja) | 2012-01-25 |
US7376269B2 (en) | 2008-05-20 |
US20060110009A1 (en) | 2006-05-25 |
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