DE69418441T2 - Reversibles Videokompressionsverfahren - Google Patents
Reversibles VideokompressionsverfahrenInfo
- Publication number
- DE69418441T2 DE69418441T2 DE1994618441 DE69418441T DE69418441T2 DE 69418441 T2 DE69418441 T2 DE 69418441T2 DE 1994618441 DE1994618441 DE 1994618441 DE 69418441 T DE69418441 T DE 69418441T DE 69418441 T2 DE69418441 T2 DE 69418441T2
- Authority
- DE
- Germany
- Prior art keywords
- compression process
- video compression
- reversible video
- reversible
- video
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
- H03M7/3088—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing the use of a dictionary, e.g. LZ78
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
- H03M7/48—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind alternating with other codes during the code conversion process, e.g. run-length coding being performed only as long as sufficientlylong runs of digits of the same kind are present
-
- 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
- H04N1/41—Bandwidth or redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17131593A | 1993-12-20 | 1993-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69418441D1 DE69418441D1 (de) | 1999-06-17 |
DE69418441T2 true DE69418441T2 (de) | 1999-11-25 |
Family
ID=22623298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1994618441 Expired - Fee Related DE69418441T2 (de) | 1993-12-20 | 1994-07-19 | Reversibles Videokompressionsverfahren |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0660587B1 (de) |
JP (1) | JP3283150B2 (de) |
DE (1) | DE69418441T2 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568983A (en) * | 1983-12-07 | 1986-02-04 | The Mead Corporation | Image data compression/decompression |
JPS62298280A (ja) * | 1986-06-18 | 1987-12-25 | Ricoh Co Ltd | 画像符号化方法 |
JPH02198266A (ja) * | 1989-01-27 | 1990-08-06 | Toshiba Corp | 画像形成装置 |
JPH03227179A (ja) * | 1990-01-31 | 1991-10-08 | Sony Corp | 画像データ処理装置 |
JP3134424B2 (ja) * | 1991-10-31 | 2001-02-13 | ソニー株式会社 | 可変長符号化方法及び装置 |
-
1994
- 1994-07-19 EP EP94111246A patent/EP0660587B1/de not_active Expired - Lifetime
- 1994-07-19 DE DE1994618441 patent/DE69418441T2/de not_active Expired - Fee Related
- 1994-12-19 JP JP31500894A patent/JP3283150B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0660587B1 (de) | 1999-05-12 |
DE69418441D1 (de) | 1999-06-17 |
JPH07202712A (ja) | 1995-08-04 |
EP0660587A3 (de) | 1996-11-13 |
EP0660587A2 (de) | 1995-06-28 |
JP3283150B2 (ja) | 2002-05-20 |
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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: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE), |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |
|
8339 | Ceased/non-payment of the annual fee |