JP4968981B2 - カラー画像の強化法 - Google Patents
カラー画像の強化法 Download PDFInfo
- Publication number
- JP4968981B2 JP4968981B2 JP2000318288A JP2000318288A JP4968981B2 JP 4968981 B2 JP4968981 B2 JP 4968981B2 JP 2000318288 A JP2000318288 A JP 2000318288A JP 2000318288 A JP2000318288 A JP 2000318288A JP 4968981 B2 JP4968981 B2 JP 4968981B2
- Authority
- JP
- Japan
- Prior art keywords
- image
- color
- resolution
- images
- color component
- 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
- 238000000034 method Methods 0.000 title claims description 22
- 238000012937 correction Methods 0.000 claims description 22
- 230000000007 visual effect Effects 0.000 claims description 10
- 238000012986 modification Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000000354 decomposition reaction Methods 0.000 description 11
- 239000003086 colorant Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003706 image smoothing Methods 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Images
Landscapes
- Processing Of Color Television Signals (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99203430.6 | 1999-10-19 | ||
| EP99203430 | 1999-10-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001175850A JP2001175850A (ja) | 2001-06-29 |
| JP2001175850A5 JP2001175850A5 (https=) | 2007-11-29 |
| JP4968981B2 true JP4968981B2 (ja) | 2012-07-04 |
Family
ID=8240757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000318288A Expired - Fee Related JP4968981B2 (ja) | 1999-10-19 | 2000-10-18 | カラー画像の強化法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4968981B2 (https=) |
| DE (1) | DE60041109D1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250131755A1 (en) * | 2021-08-31 | 2025-04-24 | Thales Dis France Sas | Method for detecting a forgery of an identity document |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69326320T2 (de) * | 1993-02-11 | 2000-04-13 | Agfa-Gevaert N.V., Mortsel | Verfahren zur schnellen interaktiven Offline-Verarbeitung von Röntgenbildern |
-
2000
- 2000-10-16 DE DE60041109T patent/DE60041109D1/de not_active Expired - Lifetime
- 2000-10-18 JP JP2000318288A patent/JP4968981B2/ja not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250131755A1 (en) * | 2021-08-31 | 2025-04-24 | Thales Dis France Sas | Method for detecting a forgery of an identity document |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001175850A (ja) | 2001-06-29 |
| DE60041109D1 (de) | 2009-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7181086B2 (en) | Multiresolution method of spatially filtering a digital image | |
| JP4210577B2 (ja) | 選択的空間フィルタを使用するディジタル画像の階調及び空間特性の向上方法 | |
| Mantiuk et al. | A perceptual framework for contrast processing of high dynamic range images | |
| US5982926A (en) | Real-time image enhancement techniques | |
| JP4804660B2 (ja) | デジタルイメージ処理のためのカラー情報を使用したノイズ低減方法 | |
| US7280703B2 (en) | Method of spatially filtering a digital image using chrominance information | |
| US7672528B2 (en) | Method of processing an image to form an image pyramid | |
| JP2004129265A (ja) | 拡張トーンスケール関数及び圧縮トーンスケール関数を用いてデジタル画像の色調特性をエンハンスする方法 | |
| KR20040044556A (ko) | 화상 처리 방법, 장치 및 프로그램 | |
| JP2004158006A (ja) | デジタル画像の色調特性および空間特性を強調する方法 | |
| EP1139284B1 (en) | Method and apparatus for performing local color correction | |
| JP2004517384A (ja) | 動的な画像訂正および画像システム | |
| US6731790B1 (en) | Method of enhancing color images | |
| JP2004129266A (ja) | 拡張トーンスケール関数及び圧縮トーンスケール関数を用いてデジタル画像の色調特性及び色特性をエンハンスする方法 | |
| US7298383B2 (en) | Method and user interface for modifying at least one of contrast and density of pixels of a processed image | |
| EP1789921A2 (en) | Image processing method and computer software for image processing | |
| EP1436980A1 (en) | Reduction of chromatic bleeding artifacts in images | |
| US7133569B1 (en) | Aliasing artifact attenuation system | |
| EP1094419B1 (en) | Method of enhancing colour images | |
| JP4968981B2 (ja) | カラー画像の強化法 | |
| JP4728411B2 (ja) | デジタル画像における色にじみアーティファクトの低減方法 | |
| CN1306829C (zh) | 增加影像清晰度的方法 | |
| Yu | Colour demosaicking method using adaptive cubic convolution interpolation with sequential averaging | |
| Strickland et al. | Luminance, hue, and saturation processing of digital color images | |
| JPH09275496A (ja) | 画像の輪郭強調処理装置および方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071010 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071010 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20080319 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20101201 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101207 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110304 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110309 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110401 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110426 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20110630 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110725 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120327 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120403 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150413 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| LAPS | Cancellation because of no payment of annual fees |