JPS5961278A - 画像信号の適応形量子化方式 - Google Patents
画像信号の適応形量子化方式Info
- Publication number
- JPS5961278A JPS5961278A JP57170747A JP17074782A JPS5961278A JP S5961278 A JPS5961278 A JP S5961278A JP 57170747 A JP57170747 A JP 57170747A JP 17074782 A JP17074782 A JP 17074782A JP S5961278 A JPS5961278 A JP S5961278A
- Authority
- JP
- Japan
- Prior art keywords
- block line
- sequence
- value
- quantized
- register
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 10
- 230000003044 adaptive effect Effects 0.000 title claims description 3
- 238000013139 quantization Methods 0.000 claims abstract description 22
- 230000009466 transformation Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57170747A JPS5961278A (ja) | 1982-09-29 | 1982-09-29 | 画像信号の適応形量子化方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57170747A JPS5961278A (ja) | 1982-09-29 | 1982-09-29 | 画像信号の適応形量子化方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5961278A true JPS5961278A (ja) | 1984-04-07 |
| JPH0352267B2 JPH0352267B2 (enrdf_load_stackoverflow) | 1991-08-09 |
Family
ID=15910636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57170747A Granted JPS5961278A (ja) | 1982-09-29 | 1982-09-29 | 画像信号の適応形量子化方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5961278A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4920426A (en) * | 1986-11-10 | 1990-04-24 | Kokusai Denshin Denwa Co., Ltd. | Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information |
| FR2709393A1 (fr) * | 1993-08-27 | 1995-03-03 | Thomson Csf | Procédé et dispositif de codage intra avec régulation de débit pour l'enregistrement d'images sur magnétoscope. |
| WO1995011571A1 (fr) * | 1993-10-22 | 1995-04-27 | Thomson-Csf | Procede et dispositif de codage inter-trame avec regulation de debit pour l'enregistrement d'images sur magnetoscope |
-
1982
- 1982-09-29 JP JP57170747A patent/JPS5961278A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4920426A (en) * | 1986-11-10 | 1990-04-24 | Kokusai Denshin Denwa Co., Ltd. | Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information |
| FR2709393A1 (fr) * | 1993-08-27 | 1995-03-03 | Thomson Csf | Procédé et dispositif de codage intra avec régulation de débit pour l'enregistrement d'images sur magnétoscope. |
| WO1995011571A1 (fr) * | 1993-10-22 | 1995-04-27 | Thomson-Csf | Procede et dispositif de codage inter-trame avec regulation de debit pour l'enregistrement d'images sur magnetoscope |
| FR2711879A1 (fr) * | 1993-10-22 | 1995-05-05 | Thomson Csf | Procédé et dispositif de codage inter-trame avec régulation de débit pour l'enregistrement d'images sur magnétoscope. |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352267B2 (enrdf_load_stackoverflow) | 1991-08-09 |
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