FR2778039B1 - CODING AND DECODING OF DIGITAL SIGNALS - Google Patents
CODING AND DECODING OF DIGITAL SIGNALSInfo
- Publication number
- FR2778039B1 FR2778039B1 FR9805247A FR9805247A FR2778039B1 FR 2778039 B1 FR2778039 B1 FR 2778039B1 FR 9805247 A FR9805247 A FR 9805247A FR 9805247 A FR9805247 A FR 9805247A FR 2778039 B1 FR2778039 B1 FR 2778039B1
- Authority
- FR
- France
- Prior art keywords
- decoding
- coding
- digital signals
- digital
- signals
- 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
-
- 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
- H03M7/3053—Block-companding PCM systems
-
- 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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- 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
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
-
- 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
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
- H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
- H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform
-
- 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
-
- 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
- H04N19/115—Selection of the code volume for a coding unit prior to 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
- H04N19/146—Data rate or code amount at the encoder output
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805247A FR2778039B1 (en) | 1998-04-27 | 1998-04-27 | CODING AND DECODING OF DIGITAL SIGNALS |
US09/232,215 US6501860B1 (en) | 1998-01-19 | 1999-01-19 | Digital signal coding and decoding based on subbands |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805247A FR2778039B1 (en) | 1998-04-27 | 1998-04-27 | CODING AND DECODING OF DIGITAL SIGNALS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2778039A1 FR2778039A1 (en) | 1999-10-29 |
FR2778039B1 true FR2778039B1 (en) | 2000-07-21 |
Family
ID=9525708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9805247A Expired - Fee Related FR2778039B1 (en) | 1998-01-19 | 1998-04-27 | CODING AND DECODING OF DIGITAL SIGNALS |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2778039B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6909746B2 (en) * | 2001-03-30 | 2005-06-21 | Koninklijke Philips Electronics N.V. | Fast robust data compression method and system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0768008B1 (en) * | 1995-04-25 | 2000-07-05 | Koninklijke Philips Electronics N.V. | Device and method for coding video pictures |
US6084908A (en) * | 1995-10-25 | 2000-07-04 | Sarnoff Corporation | Apparatus and method for quadtree based variable block size motion estimation |
-
1998
- 1998-04-27 FR FR9805247A patent/FR2778039B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2778039A1 (en) | 1999-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69331428D1 (en) | Coding and decoding of digital signals | |
DE69724126D1 (en) | AUDIO SIGNAL ENCODING AND DECODING METHOD AND AUDIO SIGNAL ENCODER AND DECODER | |
DE69905565D1 (en) | CIRCUIT ARRANGEMENT FOR DECODING VARIABLE LENGTH CODES OF DIGITAL VIDEO SIGNALS | |
DE69325312D1 (en) | Compression encoding and decoding of digital audio signals | |
DE69940068D1 (en) | CODING AND DECODING MULTI-CHANNEL SIGNALS | |
SG74538A1 (en) | Digital audio signal coding and/or decoding method | |
HUP0101386A3 (en) | Device for efficient coding and decoding of digital information signal | |
DE69622611D1 (en) | Coding and decoding of image signals | |
DE69425769D1 (en) | Coding of digital signals | |
HK1122639A1 (en) | Voice signal encoder and voice signal decoder | |
GB2286740B (en) | Coding and decoding of video signals | |
EP0673167A3 (en) | Signal encoding and decoding system allowing adding of signals in a form of frequency sample sequence upon decoding. | |
DE69732874D1 (en) | Coding, storage and transmission of digital signals | |
GB9716579D0 (en) | Signal coding and decoding | |
NO962114D0 (en) | Image signal coding and associated decoding | |
EP0710029A3 (en) | Signal processor for encoding and decoding | |
DE69619560D1 (en) | TRANSITION-CONTROLLED DIGITAL ENCODING AND SIGNAL TRANSMISSION SYSTEM | |
IL133046A0 (en) | Arithmetic encoding and decoding of an information signal | |
EP1087378A4 (en) | Voice/music signal encoder and decoder | |
DE69837173D1 (en) | Encoding of digital signals | |
ATE342612T1 (en) | ARITHMETIC CODING/DECODING OF AN INFORMATION SIGNAL | |
FR2775789B1 (en) | DIGITAL TEST OF PERIODIC SIGNAL | |
AU2002218009A1 (en) | Encoding and decoding of video signals | |
FR2835665B1 (en) | CODING AND DECODING OF DIGITAL SIGNALS | |
DE69614762D1 (en) | Digital signal recorder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20131231 |