DE69223699D1 - Bildkompressionsvorrichtung - Google Patents
BildkompressionsvorrichtungInfo
- Publication number
- DE69223699D1 DE69223699D1 DE69223699T DE69223699T DE69223699D1 DE 69223699 D1 DE69223699 D1 DE 69223699D1 DE 69223699 T DE69223699 T DE 69223699T DE 69223699 T DE69223699 T DE 69223699T DE 69223699 D1 DE69223699 D1 DE 69223699D1
- Authority
- DE
- Germany
- Prior art keywords
- image compression
- compression device
- image
- compression
- 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
- 230000006835 compression Effects 0.000 title 1
- 238000007906 compression Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/403—Edge-driven scaling; Edge-based scaling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Television Signal Processing For Recording (AREA)
- Image Processing (AREA)
- Digital Computer Display Output (AREA)
- Studio Circuits (AREA)
- Editing Of Facsimile Originals (AREA)
- Controls And Circuits For Display Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03195164A JP3123134B2 (ja) | 1991-08-05 | 1991-08-05 | 画像縮小装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69223699D1 true DE69223699D1 (de) | 1998-02-05 |
DE69223699T2 DE69223699T2 (de) | 1998-07-16 |
Family
ID=16336497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69223699T Expired - Fee Related DE69223699T2 (de) | 1991-08-05 | 1992-08-03 | Bildkompressionsvorrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5285281A (de) |
EP (1) | EP0527023B1 (de) |
JP (1) | JP3123134B2 (de) |
DE (1) | DE69223699T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2732772B2 (ja) * | 1992-05-19 | 1998-03-30 | 松下電器産業株式会社 | デジタル信号処理回路 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2172167B (en) * | 1985-03-07 | 1988-06-15 | Sony Corp | Video signal processing |
US4729012A (en) * | 1985-08-30 | 1988-03-01 | Rca Corporation | Dual mode television receiver for displaying wide screen and standard aspect ratio video signals |
US4694337A (en) * | 1986-01-23 | 1987-09-15 | Princeton Electronics Products, Inc. | Video line rate converter |
US5029017A (en) * | 1986-10-08 | 1991-07-02 | Konishiroku Photo Industry Co., Ltd. | Image processing apparatus capable of enlarging/reducing apparatus |
JP2767933B2 (ja) * | 1989-11-14 | 1998-06-25 | ソニー株式会社 | 画素数変換回路 |
-
1991
- 1991-08-05 JP JP03195164A patent/JP3123134B2/ja not_active Expired - Fee Related
-
1992
- 1992-07-28 US US07/920,681 patent/US5285281A/en not_active Expired - Lifetime
- 1992-08-03 DE DE69223699T patent/DE69223699T2/de not_active Expired - Fee Related
- 1992-08-03 EP EP92307046A patent/EP0527023B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0527023A2 (de) | 1993-02-10 |
EP0527023A3 (de) | 1994-04-13 |
EP0527023B1 (de) | 1997-12-29 |
JP3123134B2 (ja) | 2001-01-09 |
US5285281A (en) | 1994-02-08 |
DE69223699T2 (de) | 1998-07-16 |
JPH0541794A (ja) | 1993-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |
|
8339 | Ceased/non-payment of the annual fee |