JPS57500850A - - Google Patents
Info
- Publication number
- JPS57500850A JPS57500850A JP56501983A JP50198381A JPS57500850A JP S57500850 A JPS57500850 A JP S57500850A JP 56501983 A JP56501983 A JP 56501983A JP 50198381 A JP50198381 A JP 50198381A JP S57500850 A JPS57500850 A JP S57500850A
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/146—Aligning or centring of the image pick-up or image-field
- G06V30/1475—Inclination or skew detection or correction of characters or of image to be recognised
- G06V30/1478—Inclination or skew detection or correction of characters or of image to be recognised of characters or characters lines
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15141880A | 1980-05-19 | 1980-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57500850A true JPS57500850A (en) | 1982-05-13 |
Family
ID=22538683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56501983A Pending JPS57500850A (en) | 1980-05-19 | 1981-05-15 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0053159A4 (en) |
| JP (1) | JPS57500850A (en) |
| CA (1) | CA1164551A (en) |
| WO (1) | WO1981003377A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2975671A (en) * | 1955-05-27 | 1961-03-21 | Gen Precision Inc | Means for altering apparent perspective of images |
| US4097750A (en) * | 1977-03-18 | 1978-06-27 | General Motors Corporation | Method of orienting objects using optically smeared images |
| FR2388249A1 (en) * | 1977-04-20 | 1978-11-17 | Thomson Csf | DEVICE FOR POSITIONING AN OBJECT IN AN OPTICAL PROJECTION SYSTEM AND OPTICAL PROJECTION SYSTEM INCLUDING SUCH A DEVICE |
-
1981
- 1981-05-15 EP EP19810901641 patent/EP0053159A4/en not_active Withdrawn
- 1981-05-15 JP JP56501983A patent/JPS57500850A/ja active Pending
- 1981-05-15 WO PCT/US1981/000644 patent/WO1981003377A1/en not_active Application Discontinuation
- 1981-05-19 CA CA000377837A patent/CA1164551A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0053159A4 (en) | 1982-09-03 |
| WO1981003377A1 (en) | 1981-11-26 |
| EP0053159A1 (en) | 1982-06-09 |
| CA1164551A (en) | 1984-03-27 |