DE69612053D1 - Verfahren zur Kodierung von durch Vektoren dargestellten digitalen Dateien und geeignete Dekodierungsverfahren - Google Patents
Verfahren zur Kodierung von durch Vektoren dargestellten digitalen Dateien und geeignete DekodierungsverfahrenInfo
- Publication number
- DE69612053D1 DE69612053D1 DE69612053T DE69612053T DE69612053D1 DE 69612053 D1 DE69612053 D1 DE 69612053D1 DE 69612053 T DE69612053 T DE 69612053T DE 69612053 T DE69612053 T DE 69612053T DE 69612053 D1 DE69612053 D1 DE 69612053D1
- Authority
- DE
- Germany
- Prior art keywords
- methods
- vectors
- digital files
- encoding digital
- suitable decoding
- 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
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/008—Vector quantisation
-
- 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
- H03M7/3082—Vector coding
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9509902A FR2737823B1 (fr) | 1995-08-11 | 1995-08-11 | Procede de codage de donnees numeriques representees par des vecteurs et procede de decodage des donnees codees selon ledit procede de codage |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69612053D1 true DE69612053D1 (de) | 2001-04-19 |
DE69612053T2 DE69612053T2 (de) | 2001-08-02 |
Family
ID=9481983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1996612053 Expired - Fee Related DE69612053T2 (de) | 1995-08-11 | 1996-08-09 | Verfahren zur Kodierung von durch Vektoren dargestellten digitalen Dateien und geeignete Dekodierungsverfahren |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0762658B1 (de) |
DE (1) | DE69612053T2 (de) |
FR (1) | FR2737823B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2773928B1 (fr) * | 1998-01-19 | 2001-10-26 | Canon Kk | Codage et decodage de signal numerique |
US6728413B2 (en) * | 1998-01-19 | 2004-04-27 | Canon Kabushiki Kaisha | Lattice vector quantization in image compression and decompression |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3709094A1 (de) * | 1987-03-23 | 1988-10-06 | Ant Nachrichtentech | Verfahren zur codierung von bildsignalen |
US5136374A (en) * | 1990-04-03 | 1992-08-04 | At&T Bell Laboratories | Geometric vector quantization |
US5473376A (en) * | 1994-12-01 | 1995-12-05 | Motorola, Inc. | Method and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression system |
-
1995
- 1995-08-11 FR FR9509902A patent/FR2737823B1/fr not_active Expired - Fee Related
-
1996
- 1996-08-09 EP EP19960460028 patent/EP0762658B1/de not_active Expired - Lifetime
- 1996-08-09 DE DE1996612053 patent/DE69612053T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2737823B1 (fr) | 1997-09-12 |
EP0762658A3 (de) | 1997-03-19 |
EP0762658B1 (de) | 2001-03-14 |
EP0762658A2 (de) | 1997-03-12 |
FR2737823A1 (fr) | 1997-02-14 |
DE69612053T2 (de) | 2001-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |