DE69523703T2 - Videobildkomprimierung unter Verwendung einer hierarchischen Vektorquantisierung von gewichteten Wellenstückchen - Google Patents

Videobildkomprimierung unter Verwendung einer hierarchischen Vektorquantisierung von gewichteten Wellenstückchen

Info

Publication number
DE69523703T2
DE69523703T2 DE69523703T DE69523703T DE69523703T2 DE 69523703 T2 DE69523703 T2 DE 69523703T2 DE 69523703 T DE69523703 T DE 69523703T DE 69523703 T DE69523703 T DE 69523703T DE 69523703 T2 DE69523703 T2 DE 69523703T2
Authority
DE
Germany
Prior art keywords
video image
image compression
vector quantization
hierarchical vector
weighted wave
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
Application number
DE69523703T
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English (en)
Other versions
DE69523703D1 (de
Inventor
Mohan Vishwanath
Philip Chou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
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Xerox Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of DE69523703D1 publication Critical patent/DE69523703D1/de
Application granted granted Critical
Publication of DE69523703T2 publication Critical patent/DE69523703T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/62—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding by frequency transforming in three dimensions
    • 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
    • H04N19/90—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
    • 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
    • H04N19/94—Vector quantisation
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
DE69523703T 1994-08-19 1995-08-17 Videobildkomprimierung unter Verwendung einer hierarchischen Vektorquantisierung von gewichteten Wellenstückchen Expired - Fee Related DE69523703T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/293,612 US5602589A (en) 1994-08-19 1994-08-19 Video image compression using weighted wavelet hierarchical vector quantization

Publications (2)

Publication Number Publication Date
DE69523703D1 DE69523703D1 (de) 2001-12-13
DE69523703T2 true DE69523703T2 (de) 2002-06-13

Family

ID=23129785

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523703T Expired - Fee Related DE69523703T2 (de) 1994-08-19 1995-08-17 Videobildkomprimierung unter Verwendung einer hierarchischen Vektorquantisierung von gewichteten Wellenstückchen

Country Status (4)

Country Link
US (1) US5602589A (de)
EP (1) EP0701375B1 (de)
JP (1) JPH08107556A (de)
DE (1) DE69523703T2 (de)

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JPH08107556A (ja) 1996-04-23
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US5602589A (en) 1997-02-11
EP0701375A2 (de) 1996-03-13
EP0701375B1 (de) 2001-11-07

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