FR2673739B1 - METHOD AND DEVICE FOR PROCESSING AN ANALOGUE ELECTRICAL SIGNAL FROM AN ELECTRONICALLY SCANNED IMAGE SENSOR. - Google Patents
METHOD AND DEVICE FOR PROCESSING AN ANALOGUE ELECTRICAL SIGNAL FROM AN ELECTRONICALLY SCANNED IMAGE SENSOR.Info
- Publication number
- FR2673739B1 FR2673739B1 FR9102706A FR9102706A FR2673739B1 FR 2673739 B1 FR2673739 B1 FR 2673739B1 FR 9102706 A FR9102706 A FR 9102706A FR 9102706 A FR9102706 A FR 9102706A FR 2673739 B1 FR2673739 B1 FR 2673739B1
- Authority
- FR
- France
- Prior art keywords
- processing
- image sensor
- electrical signal
- scanned image
- electronically scanned
- Prior art date
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9102706A FR2673739B1 (en) | 1991-03-05 | 1991-03-05 | METHOD AND DEVICE FOR PROCESSING AN ANALOGUE ELECTRICAL SIGNAL FROM AN ELECTRONICALLY SCANNED IMAGE SENSOR. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9102706A FR2673739B1 (en) | 1991-03-05 | 1991-03-05 | METHOD AND DEVICE FOR PROCESSING AN ANALOGUE ELECTRICAL SIGNAL FROM AN ELECTRONICALLY SCANNED IMAGE SENSOR. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2673739A1 FR2673739A1 (en) | 1992-09-11 |
FR2673739B1 true FR2673739B1 (en) | 1994-04-08 |
Family
ID=9410425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9102706A Expired - Fee Related FR2673739B1 (en) | 1991-03-05 | 1991-03-05 | METHOD AND DEVICE FOR PROCESSING AN ANALOGUE ELECTRICAL SIGNAL FROM AN ELECTRONICALLY SCANNED IMAGE SENSOR. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2673739B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3240750B2 (en) * | 1993-06-03 | 2001-12-25 | ソニー株式会社 | Binarization circuit and solid-state imaging device |
EP0851378B1 (en) * | 1996-12-30 | 2004-03-10 | DATALOGIC S.p.A. | Method and device for measuring and regulating a time constant of an electronic circuit forming part of an optical code reader |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5927543B2 (en) * | 1978-12-22 | 1984-07-06 | 富士通株式会社 | Image signal processing circuit |
JPS5856185A (en) * | 1981-09-30 | 1983-04-02 | Fujitsu Ltd | Signal processor |
SU1061161A1 (en) * | 1982-07-01 | 1983-12-15 | Gorshkov Aleksandr A | Device for two-level information readout |
JPS61199180A (en) * | 1985-03-01 | 1986-09-03 | Nissan Motor Co Ltd | Binary-coding circuit |
SU1283815A1 (en) * | 1985-07-23 | 1987-01-15 | Устиновский механический институт | Device for determining the end of transient process in diagnostic systems |
-
1991
- 1991-03-05 FR FR9102706A patent/FR2673739B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2673739A1 (en) | 1992-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |