JPS529344B1 - - Google Patents
Info
- Publication number
- JPS529344B1 JPS529344B1 JP47040487A JP4048772A JPS529344B1 JP S529344 B1 JPS529344 B1 JP S529344B1 JP 47040487 A JP47040487 A JP 47040487A JP 4048772 A JP4048772 A JP 4048772A JP S529344 B1 JPS529344 B1 JP S529344B1
- 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
- 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
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/41—Analysis of document content
- G06V30/413—Classification of content, e.g. text, photographs or tables
-
- 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
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/42—Document-oriented image-based pattern recognition based on the type of document
- G06V30/422—Technical drawings; Geographical maps
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Character Input (AREA)
- Digital Computer Display Output (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00139113A US3805237A (en) | 1971-04-30 | 1971-04-30 | Technique for the conversion to digital form of interspersed symbolic and graphic data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS529344B1 true JPS529344B1 (https=) | 1977-03-15 |
Family
ID=22485190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47040487A Pending JPS529344B1 (https=) | 1971-04-30 | 1972-04-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3805237A (https=) |
| JP (1) | JPS529344B1 (https=) |
| DE (1) | DE2220693C3 (https=) |
| FR (1) | FR2151805A5 (https=) |
| GB (1) | GB1338867A (https=) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4083034A (en) * | 1976-10-04 | 1978-04-04 | Recognition Equipment Incorporated | Plural tracker character detection and boundary location system |
| US4379282A (en) * | 1979-06-01 | 1983-04-05 | Dest Corporation | Apparatus and method for separation of optical character recognition data |
| US4428077A (en) | 1979-09-03 | 1984-01-24 | Hitachi, Ltd. | Line recognition method |
| DE3049369A1 (de) * | 1979-12-29 | 1981-09-17 | Canon K.K., Tokyo | Bildreproduktionsgeraet |
| DE3019836A1 (de) * | 1980-05-23 | 1982-01-21 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum automatischen erkennen von bild- und text- oder graphikbereichen auf druckvorlagen |
| DE3034099A1 (de) * | 1980-09-10 | 1982-05-19 | Computer Gesellschaft Konstanz Mbh, 7750 Konstanz | Verfahren und schaltungsanordnung zur segmentierung von zeichen aus einer seriell gelesenen zeichenfolge |
| DE3107521A1 (de) * | 1981-02-27 | 1982-09-16 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum automatischen erkennen von bild- und text- oder graphikbereichen auf druckvorlagen |
| DE3107655A1 (de) * | 1981-02-27 | 1982-09-16 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum auffinden und abgrenzen von textbereichen auf einer vorlage, die text-, graphik- und/oder bildbereiche enthalten kann |
| DE3113555A1 (de) * | 1981-04-03 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum automatischen erkennen von weissbloecken sowie text-, graphik- und/oder graubildbereichen auf druckvorlagen |
| ATE48196T1 (de) * | 1981-04-25 | 1989-12-15 | Image Processing Tech | Geraet fuer die automatische trennung eines aufgenommenen bildes in einem visuellen formerkennungssystem. |
| FR2599205B1 (fr) * | 1981-11-27 | 1990-08-24 | Thomson Csf | Procede recursif de caracterisation de zones isotropes dans une image video; dispositif detecteur de mouvement et detecteur de bruit dans une sequence d'images |
| CA1191955A (en) * | 1983-01-07 | 1985-08-13 | Michael A. Goolsbey | Locating individual images in a field for recognition or the like |
| US4700401A (en) * | 1983-02-28 | 1987-10-13 | Dest Corporation | Method and apparatus for character recognition employing a dead-band correlator |
| CA1268547A (en) * | 1986-03-31 | 1990-05-01 | Ahmed Mostafa El-Sherbini | Thresholding algorithm selection apparatus |
| JPH06101049B2 (ja) * | 1988-03-25 | 1994-12-12 | インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン | 文字列検出方法 |
| US5038381A (en) * | 1988-07-11 | 1991-08-06 | New Dest Corporation | Image/text filtering system and method |
| US5050222A (en) * | 1990-05-21 | 1991-09-17 | Eastman Kodak Company | Polygon-based technique for the automatic classification of text and graphics components from digitized paper-based forms |
| JPH0772861B2 (ja) * | 1990-08-24 | 1995-08-02 | 富士ゼロックス株式会社 | プログラム作成装置 |
| US5689342A (en) * | 1994-11-17 | 1997-11-18 | Canon Kabushiki Kaisha | Image processing method and apparatus which orders text areas which have been extracted from an image |
| DE10110208A1 (de) * | 2001-03-02 | 2002-09-19 | Siemens Production & Logistics | Verfahren zum Spezifizieren, Ausführen und Analysieren von Verfahrensabläufen beim Erkennen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL248121A (https=) * | 1957-05-17 | |||
| US3196398A (en) * | 1962-05-21 | 1965-07-20 | Ibm | Pattern recognition preprocessing techniques |
| US3297993A (en) * | 1963-12-19 | 1967-01-10 | Ibm | Apparatus for generating information regarding the spatial distribution of a function |
| US3496542A (en) * | 1966-10-27 | 1970-02-17 | Control Data Corp | Multifont character reading machine |
| US3496543A (en) * | 1967-01-27 | 1970-02-17 | Singer General Precision | On-line read/copy data processing system accepting printed and graphic material |
| US3588822A (en) * | 1967-03-06 | 1971-06-28 | Hitachi Ltd | Character recognition apparatus for identifying characters by detecting stroke features of the characters |
| US3564498A (en) * | 1969-10-31 | 1971-02-16 | Burroughs Corp | Character recognition system |
-
1971
- 1971-04-30 US US00139113A patent/US3805237A/en not_active Expired - Lifetime
-
1972
- 1972-03-28 FR FR7211402A patent/FR2151805A5/fr not_active Expired
- 1972-03-30 GB GB1524472A patent/GB1338867A/en not_active Expired
- 1972-04-24 JP JP47040487A patent/JPS529344B1/ja active Pending
- 1972-04-27 DE DE2220693A patent/DE2220693C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3805237A (en) | 1974-04-16 |
| GB1338867A (en) | 1973-11-28 |
| DE2220693A1 (de) | 1972-11-09 |
| DE2220693B2 (de) | 1980-06-04 |
| FR2151805A5 (https=) | 1973-04-20 |
| DE2220693C3 (de) | 1981-02-19 |