JPS5428248B2 - - Google Patents
Info
- Publication number
- JPS5428248B2 JPS5428248B2 JP12039374A JP12039374A JPS5428248B2 JP S5428248 B2 JPS5428248 B2 JP S5428248B2 JP 12039374 A JP12039374 A JP 12039374A JP 12039374 A JP12039374 A JP 12039374A JP S5428248 B2 JPS5428248 B2 JP S5428248B2
- 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.)
- Expired
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
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Character Input (AREA)
- Image Analysis (AREA)
- Character Discrimination (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12039374A JPS5428248B2 (cg-RX-API-DMAC7.html) | 1974-10-21 | 1974-10-21 | |
| US05/624,339 US4015239A (en) | 1974-10-21 | 1975-10-21 | Character recognition apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12039374A JPS5428248B2 (cg-RX-API-DMAC7.html) | 1974-10-21 | 1974-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5147333A JPS5147333A (cg-RX-API-DMAC7.html) | 1976-04-22 |
| JPS5428248B2 true JPS5428248B2 (cg-RX-API-DMAC7.html) | 1979-09-14 |
Family
ID=14785084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12039374A Expired JPS5428248B2 (cg-RX-API-DMAC7.html) | 1974-10-21 | 1974-10-21 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4015239A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5428248B2 (cg-RX-API-DMAC7.html) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4177448A (en) * | 1978-06-26 | 1979-12-04 | International Business Machines Corporation | Character recognition system and method multi-bit curve vector processing |
| DE3280099D1 (de) * | 1981-09-11 | 1990-03-08 | Burroughs Corp | Geometrische zeichenerkennung mit darstellung des skelettes und der strichbreite. |
| US4520506A (en) * | 1981-10-20 | 1985-05-28 | Harris Corporation | Method and system for compression and reconstruction of cultural data for use in a digital moving map display |
| US4561105A (en) * | 1983-01-19 | 1985-12-24 | Communication Intelligence Corporation | Complex pattern recognition method and system |
| GB2197506A (en) * | 1986-10-27 | 1988-05-18 | Burr Brown Ltd | Providing and handling break points in a software monitor |
| US5031225A (en) * | 1987-12-09 | 1991-07-09 | Ricoh Company, Ltd. | Character recognition method for recognizing character in an arbitrary rotation position |
| JP2542947B2 (ja) * | 1990-05-09 | 1996-10-09 | 大日本スクリーン製造株式会社 | 画像処理装置 |
| US5267332A (en) * | 1991-06-19 | 1993-11-30 | Technibuild Inc. | Image recognition system |
| US6128409A (en) * | 1991-11-12 | 2000-10-03 | Texas Instruments Incorporated | Systems and methods for handprint recognition acceleration |
| US5903668A (en) * | 1992-05-27 | 1999-05-11 | Apple Computer, Inc. | Method and apparatus for recognizing handwritten words |
| EP0585944B1 (en) * | 1992-09-04 | 2002-12-11 | Canon Kabushiki Kaisha | Method and apparatus for displaying characters |
| US6697524B1 (en) | 1992-09-04 | 2004-02-24 | Canon Kabushiki Kaisha | Information processing method and apparatus |
| JP2942454B2 (ja) * | 1993-05-26 | 1999-08-30 | 松下電工株式会社 | 形状認識方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3381274A (en) * | 1959-12-18 | 1968-04-30 | Ibm | Recognition systems |
| US3503043A (en) * | 1960-11-17 | 1970-03-24 | Bell Telephone Labor Inc | Apparatus for interrogating alpha-numeric characters |
| US3292149A (en) * | 1964-06-18 | 1966-12-13 | Ibm | Identification and comparison apparatus for contour patterns such as fingerprints |
| US3863218A (en) * | 1973-01-26 | 1975-01-28 | Hitachi Ltd | Pattern feature detection system |
-
1974
- 1974-10-21 JP JP12039374A patent/JPS5428248B2/ja not_active Expired
-
1975
- 1975-10-21 US US05/624,339 patent/US4015239A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5147333A (cg-RX-API-DMAC7.html) | 1976-04-22 |
| US4015239A (en) | 1977-03-29 |