NL7108091A - - Google Patents
Info
- Publication number
- NL7108091A NL7108091A NL7108091A NL7108091A NL7108091A NL 7108091 A NL7108091 A NL 7108091A NL 7108091 A NL7108091 A NL 7108091A NL 7108091 A NL7108091 A NL 7108091A NL 7108091 A NL7108091 A NL 7108091A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/46—Systems using spatial filters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
- G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
- G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Nonlinear Science (AREA)
- Image Analysis (AREA)
- Image Processing (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7108091A NL7108091A (de) | 1971-06-12 | 1971-06-12 | |
| DE19722226260 DE2226260A1 (de) | 1971-06-12 | 1972-05-30 | Anordnung zum kontinuierlichen Filtern von raumlichen Frequenzen |
| GB2707672A GB1394744A (en) | 1971-06-12 | 1972-06-09 | Filtering spatial frequencies |
| FR7220895A FR2141815B3 (de) | 1971-06-12 | 1972-06-09 | |
| BE784751A BE784751A (fr) | 1971-06-12 | 1972-06-12 | Dispositif permettant le filtrage continu de frequences d'espace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7108091A NL7108091A (de) | 1971-06-12 | 1971-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7108091A true NL7108091A (de) | 1972-12-14 |
Family
ID=19813371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7108091A NL7108091A (de) | 1971-06-12 | 1971-06-12 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE784751A (de) |
| DE (1) | DE2226260A1 (de) |
| FR (1) | FR2141815B3 (de) |
| GB (1) | GB1394744A (de) |
| NL (1) | NL7108091A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2297432A1 (fr) * | 1975-01-09 | 1976-08-06 | Fleuret Jacques | Perfectionnements aux dispositifs de traitement d'images optiques |
| US4504859A (en) * | 1983-01-13 | 1985-03-12 | John K. Grady | Multiple X-ray image scanners |
| IL98004A (en) * | 1991-04-30 | 1997-02-18 | Scitex Corp Ltd | Apparatus and method for descreening |
-
1971
- 1971-06-12 NL NL7108091A patent/NL7108091A/xx unknown
-
1972
- 1972-05-30 DE DE19722226260 patent/DE2226260A1/de active Pending
- 1972-06-09 FR FR7220895A patent/FR2141815B3/fr not_active Expired
- 1972-06-09 GB GB2707672A patent/GB1394744A/en not_active Expired
- 1972-06-12 BE BE784751A patent/BE784751A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2226260A1 (de) | 1972-12-21 |
| FR2141815B3 (de) | 1975-08-08 |
| FR2141815A1 (de) | 1973-01-26 |
| BE784751A (fr) | 1972-12-12 |
| GB1394744A (en) | 1975-05-21 |