FR1472434A - Système de quantification de signaux vidéo - Google Patents
Système de quantification de signaux vidéoInfo
- Publication number
- FR1472434A FR1472434A FR53810A FR53810A FR1472434A FR 1472434 A FR1472434 A FR 1472434A FR 53810 A FR53810 A FR 53810A FR 53810 A FR53810 A FR 53810A FR 1472434 A FR1472434 A FR 1472434A
- Authority
- FR
- France
- Prior art keywords
- video signal
- signal quantization
- quantization system
- video
- signal
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
- H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
-
- 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
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Nonlinear Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR53810A FR1472434A (fr) | 1965-03-29 | 1966-03-17 | Système de quantification de signaux vidéo |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US443227A US3415950A (en) | 1965-03-29 | 1965-03-29 | Video quantizing system |
FR53810A FR1472434A (fr) | 1965-03-29 | 1966-03-17 | Système de quantification de signaux vidéo |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1472434A true FR1472434A (fr) | 1967-03-10 |
Family
ID=26169269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR53810A Expired FR1472434A (fr) | 1965-03-29 | 1966-03-17 | Système de quantification de signaux vidéo |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1472434A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2234704A1 (fr) * | 1973-06-22 | 1975-01-17 | Ibm | |
FR2469073A1 (fr) * | 1979-10-26 | 1981-05-08 | Sony Corp | Circuit extracteur de donnees notamment pour bande magnetique |
-
1966
- 1966-03-17 FR FR53810A patent/FR1472434A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2234704A1 (fr) * | 1973-06-22 | 1975-01-17 | Ibm | |
FR2469073A1 (fr) * | 1979-10-26 | 1981-05-08 | Sony Corp | Circuit extracteur de donnees notamment pour bande magnetique |
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