BE847800A - Systeme electronique pour la lecture de symboles, - Google Patents
Systeme electronique pour la lecture de symboles,Info
- Publication number
- BE847800A BE847800A BE171926A BE171926A BE847800A BE 847800 A BE847800 A BE 847800A BE 171926 A BE171926 A BE 171926A BE 171926 A BE171926 A BE 171926A BE 847800 A BE847800 A BE 847800A
- Authority
- BE
- Belgium
- Prior art keywords
- electronic system
- reading symbols
- reading
- symbols
- electronic
- Prior art date
Links
Classifications
-
- 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
- G06V30/16—Image preprocessing
- G06V30/162—Quantising the image signal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Analysis (AREA)
- Character Input (AREA)
- Image Processing (AREA)
- Image Input (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT69715/75A IT1055651B (it) | 1975-11-03 | 1975-11-03 | Sistema elettronico per la lettura di simboli |
Publications (1)
Publication Number | Publication Date |
---|---|
BE847800A true BE847800A (fr) | 1977-02-14 |
Family
ID=11312685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE171926A BE847800A (fr) | 1975-11-03 | 1976-10-29 | Systeme electronique pour la lecture de symboles, |
Country Status (14)
Country | Link |
---|---|
US (1) | US4047152A (nl) |
JP (1) | JPS5286734A (nl) |
AU (1) | AU498123B2 (nl) |
BE (1) | BE847800A (nl) |
CA (1) | CA1066806A (nl) |
DE (1) | DE2648641C3 (nl) |
DK (1) | DK147837C (nl) |
FR (1) | FR2330084A1 (nl) |
GB (1) | GB1520368A (nl) |
IT (1) | IT1055651B (nl) |
NL (1) | NL166564C (nl) |
NO (1) | NO149903C (nl) |
SE (1) | SE434441B (nl) |
ZA (1) | ZA766388B (nl) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4433380A (en) * | 1975-11-25 | 1984-02-21 | Philips Medical Systems, Inc. | Tomographic scanner |
JPS5375735A (en) * | 1976-12-16 | 1978-07-05 | Hajime Sangyo | Information processor |
US4162481A (en) * | 1976-12-22 | 1979-07-24 | Recognition Equipment Incorporated | Adaptive correlator for video processing |
US4124870A (en) * | 1977-03-31 | 1978-11-07 | International Business Machines Corporation | Method for improving print quality of coarse-scan/fine-print character reproduction |
US4193096A (en) * | 1977-04-04 | 1980-03-11 | Xerox Corporation | Half tone encoder/decoder |
US4119947A (en) * | 1977-07-20 | 1978-10-10 | Howard Noyes Leighton | Optical signal processor |
JPS5537092A (en) * | 1978-09-05 | 1980-03-14 | Ibm | Mode switch for setting threshold value |
SE422714B (sv) * | 1979-01-16 | 1982-03-22 | Ibm Svenska Ab | Anordning med styrdator for optisk teckenlosning, vilken styrdator bl a bereknar startpunkter for identifiering av ett tecken |
US4290049A (en) * | 1979-09-10 | 1981-09-15 | Environmental Research Institute Of Michigan | Dynamic data correction generator for an image analyzer system |
US4464788A (en) * | 1979-09-10 | 1984-08-07 | Environmental Research Institute Of Michigan | Dynamic data correction generator for an image analyzer system |
FR2466153A1 (fr) * | 1979-09-21 | 1981-03-27 | Thomson Csf | Dispositif de decision noir ou blanc a seuil autoadaptatif pour systeme d'analyse de document et emetteur de telecopie comportant un tel dispositif |
US4298858A (en) * | 1980-03-27 | 1981-11-03 | The United States Of America As Represented By The Secretary Of The Air Force | Method and apparatus for augmenting binary patterns |
FR2484111B1 (fr) * | 1980-06-06 | 1986-05-09 | Thomson Csf | Dispositif d'analyse optique d'un document et circuit de filtrage destine a un tel dispositif |
US4408343A (en) * | 1981-02-27 | 1983-10-04 | Burroughs Corporation | Image enhancement for optical character readers |
US4516263A (en) * | 1982-04-30 | 1985-05-07 | The Charles Stark Draper Laboratory, Inc. | Spatially integral, video signal processor |
US4685145A (en) * | 1984-12-07 | 1987-08-04 | Fingermatrix, Inc. | Conversion of an image represented by a field of pixels in a gray scale to a field of pixels in binary scale |
US4723298A (en) * | 1985-03-27 | 1988-02-02 | Fingermatrix, Inc. | Image compression technique |
US4969198A (en) * | 1986-04-17 | 1990-11-06 | International Business Machines Corporation | System for automatic inspection of periodic patterns |
US4771468A (en) * | 1986-04-17 | 1988-09-13 | International Business Machines Corporation | System for automatic inspection of periodic patterns |
US4806741A (en) * | 1986-07-16 | 1989-02-21 | Telesis Controls Corporation | Electronic code enhancement for code readers |
KR940003702B1 (ko) * | 1986-11-25 | 1994-04-27 | 존 테크날리지 프러프라이어터리 리밋티드 | 디지탈 영상 포착 시스템 |
US4811414A (en) * | 1987-02-27 | 1989-03-07 | C.F.A. Technologies, Inc. | Methods for digitally noise averaging and illumination equalizing fingerprint images |
US4933976A (en) * | 1988-01-25 | 1990-06-12 | C.F.A. Technologies, Inc. | System for generating rolled fingerprint images |
US5647026A (en) * | 1991-10-29 | 1997-07-08 | Eastman Kodak Company | Uniformity correction and threshold or halftoning conversion unit and method |
US5474827A (en) * | 1994-03-23 | 1995-12-12 | Minnesota Mining And Manufacturing Company | Retroreflective article and method of making the same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3778768A (en) * | 1971-08-27 | 1973-12-11 | Little Inc A | Character detection system |
US3737855A (en) * | 1971-09-30 | 1973-06-05 | Ibm | Character video enhancement system |
US4003024A (en) * | 1975-10-14 | 1977-01-11 | Rockwell International Corporation | Two-dimensional binary data enhancement system |
-
1975
- 1975-11-03 IT IT69715/75A patent/IT1055651B/it active
-
1976
- 1976-09-29 SE SE7610785A patent/SE434441B/xx unknown
- 1976-10-21 JP JP12555976A patent/JPS5286734A/ja active Pending
- 1976-10-21 AU AU18879/76A patent/AU498123B2/en not_active Expired
- 1976-10-22 DK DK478476A patent/DK147837C/da not_active IP Right Cessation
- 1976-10-22 FR FR7631863A patent/FR2330084A1/fr active Granted
- 1976-10-25 NO NO763635A patent/NO149903C/no unknown
- 1976-10-26 ZA ZA766388A patent/ZA766388B/xx unknown
- 1976-10-27 DE DE2648641A patent/DE2648641C3/de not_active Expired
- 1976-10-29 BE BE171926A patent/BE847800A/xx not_active IP Right Cessation
- 1976-11-01 CA CA264,576A patent/CA1066806A/en not_active Expired
- 1976-11-03 GB GB45796/76A patent/GB1520368A/en not_active Expired
- 1976-11-03 US US05/738,456 patent/US4047152A/en not_active Expired - Lifetime
- 1976-11-03 NL NL7612165.A patent/NL166564C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK147837B (da) | 1984-12-17 |
NL166564C (nl) | 1981-08-17 |
DE2648641B2 (de) | 1979-09-20 |
CA1066806A (en) | 1979-11-20 |
NO149903C (no) | 1984-07-11 |
FR2330084A1 (fr) | 1977-05-27 |
SE7610785L (sv) | 1977-05-04 |
DE2648641C3 (de) | 1980-07-03 |
NL166564B (nl) | 1981-03-16 |
JPS5286734A (en) | 1977-07-19 |
NL7612165A (nl) | 1977-05-05 |
AU498123B2 (en) | 1979-02-08 |
FR2330084B1 (nl) | 1979-07-20 |
US4047152A (en) | 1977-09-06 |
IT1055651B (it) | 1982-01-11 |
NO763635L (nl) | 1977-05-04 |
ZA766388B (en) | 1977-10-26 |
GB1520368A (en) | 1978-08-09 |
AU1887976A (en) | 1978-04-27 |
DE2648641A1 (de) | 1977-05-26 |
DK147837C (da) | 1985-06-24 |
DK478476A (da) | 1977-05-04 |
NO149903B (no) | 1984-04-02 |
SE434441B (sv) | 1984-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: ELETTRONICA SAN GIORGIO ELSAG S.P.A. Effective date: 19861031 |