JPS57500311A - - Google Patents
Info
- Publication number
- JPS57500311A JPS57500311A JP56501229A JP50122981A JPS57500311A JP S57500311 A JPS57500311 A JP S57500311A JP 56501229 A JP56501229 A JP 56501229A JP 50122981 A JP50122981 A JP 50122981A JP S57500311 A JPS57500311 A JP S57500311A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/30—Noise filtering
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/36—Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
- Picture Signal Circuits (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8012514 | 1980-04-16 | ||
| GB8015711 | 1980-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57500311A true JPS57500311A (https=) | 1982-02-18 |
| JPH0128427B2 JPH0128427B2 (https=) | 1989-06-02 |
Family
ID=26275195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56501229A Expired JPH0128427B2 (https=) | 1980-04-16 | 1981-04-16 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0051068B1 (https=) |
| JP (1) | JPH0128427B2 (https=) |
| GB (1) | GB2085262B (https=) |
| IT (1) | IT1135745B (https=) |
| WO (1) | WO1981003097A1 (https=) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0595478A (ja) * | 1991-12-20 | 1993-04-16 | Toshiba Corp | 画像処理装置 |
| US6055340A (en) * | 1997-02-28 | 2000-04-25 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing digital images to suppress their noise and enhancing their sharpness |
| US6373992B1 (en) | 1998-02-27 | 2002-04-16 | Fuji Photo Film Co., Ltd. | Method and apparatus for image processing |
| US6628842B1 (en) | 1999-06-22 | 2003-09-30 | Fuji Photo Film Co., Ltd. | Image processing method and apparatus |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561022A (en) * | 1983-08-11 | 1985-12-24 | Eastman Kodak Company | Image processing method based on processing of interrelated image gradients |
| US4716414A (en) * | 1984-05-10 | 1987-12-29 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Super resolution imaging system |
| GB2159363A (en) * | 1984-05-25 | 1985-11-27 | Electronic Automation Ltd | Method and apparatus for image processing |
| US4839721A (en) * | 1984-08-28 | 1989-06-13 | Polaroid Corporation | Method of and apparatus for transforming color image data on the basis of an isotropic and uniform colorimetric space |
| DE4105517C2 (de) * | 1991-02-22 | 1995-11-16 | Hell Ag Linotype | Verfahren und Vorrichtung zur verbesserten Wiedergabe von Konturen |
| US5677967A (en) * | 1993-03-10 | 1997-10-14 | R. R. Donnelley & Sons Company | Method of and apparatus for converting between a color appearance space and a colorant space |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0143510B2 (https=) * | 1978-09-28 | 1989-09-21 | Eastman Kodak Co | |
| US4463381A (en) * | 1980-04-16 | 1984-07-31 | Eastman Kodak Company | Image processing apparatus including a partitioned low pass channel |
-
1981
- 1981-04-16 WO PCT/GB1981/000074 patent/WO1981003097A1/en not_active Ceased
- 1981-04-16 EP EP81900974A patent/EP0051068B1/en not_active Expired
- 1981-04-16 GB GB8137569A patent/GB2085262B/en not_active Expired
- 1981-04-16 IT IT21230/81A patent/IT1135745B/it active
- 1981-04-16 JP JP56501229A patent/JPH0128427B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0595478A (ja) * | 1991-12-20 | 1993-04-16 | Toshiba Corp | 画像処理装置 |
| US6055340A (en) * | 1997-02-28 | 2000-04-25 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing digital images to suppress their noise and enhancing their sharpness |
| US6373992B1 (en) | 1998-02-27 | 2002-04-16 | Fuji Photo Film Co., Ltd. | Method and apparatus for image processing |
| US6628842B1 (en) | 1999-06-22 | 2003-09-30 | Fuji Photo Film Co., Ltd. | Image processing method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2085262B (en) | 1984-01-11 |
| WO1981003097A1 (en) | 1981-10-29 |
| IT8121230A0 (it) | 1981-04-16 |
| EP0051068B1 (en) | 1985-01-02 |
| GB2085262A (en) | 1982-04-21 |
| IT1135745B (it) | 1986-08-27 |
| EP0051068A1 (en) | 1982-05-12 |
| JPH0128427B2 (https=) | 1989-06-02 |