IL88542A - Apparatus and method for optical thresholding - Google Patents
Apparatus and method for optical thresholdingInfo
- Publication number
- IL88542A IL88542A IL88542A IL8854288A IL88542A IL 88542 A IL88542 A IL 88542A IL 88542 A IL88542 A IL 88542A IL 8854288 A IL8854288 A IL 8854288A IL 88542 A IL88542 A IL 88542A
- Authority
- IL
- Israel
- Prior art keywords
- optical thresholding
- thresholding
- optical
- Prior art date
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
- 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)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Image Input (AREA)
- Image Analysis (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14533488A | 1988-01-19 | 1988-01-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL88542A0 IL88542A0 (en) | 1989-06-30 |
IL88542A true IL88542A (en) | 1992-01-15 |
Family
ID=22512619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL88542A IL88542A (en) | 1988-01-19 | 1988-11-30 | Apparatus and method for optical thresholding |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0357713B1 (fr) |
JP (1) | JPH0612298B2 (fr) |
DE (1) | DE3888178T2 (fr) |
IL (1) | IL88542A (fr) |
WO (1) | WO1989006819A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5939706A (en) * | 1997-12-03 | 1999-08-17 | Trw Inc. | Adaptive focal plane for high contrast imaging |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4522466A (en) * | 1983-05-26 | 1985-06-11 | Grumman Aerospace Corporation | Recursive optical filter system |
GB2154331B (en) * | 1984-02-16 | 1987-07-01 | Standard Telephones Cables Ltd | Coherent light optical processor |
US4645300A (en) * | 1984-07-30 | 1987-02-24 | Grumman Aerospace Corporation | Fourier plane recursive optical filter |
-
1988
- 1988-11-28 DE DE3888178T patent/DE3888178T2/de not_active Expired - Fee Related
- 1988-11-28 WO PCT/US1988/004239 patent/WO1989006819A1/fr active IP Right Grant
- 1988-11-28 JP JP1501938A patent/JPH0612298B2/ja not_active Expired - Lifetime
- 1988-11-30 IL IL88542A patent/IL88542A/xx not_active IP Right Cessation
-
1989
- 1989-08-01 EP EP89901976A patent/EP0357713B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03501650A (ja) | 1991-04-11 |
WO1989006819A1 (fr) | 1989-07-27 |
IL88542A0 (en) | 1989-06-30 |
EP0357713A1 (fr) | 1990-03-14 |
JPH0612298B2 (ja) | 1994-02-16 |
DE3888178T2 (de) | 1994-06-09 |
DE3888178D1 (de) | 1994-04-07 |
EP0357713B1 (fr) | 1994-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RH | Patent void |