DE69421690D1 - Geraet und verfahren zur datenkompression - Google Patents

Geraet und verfahren zur datenkompression

Info

Publication number
DE69421690D1
DE69421690D1 DE69421690T DE69421690T DE69421690D1 DE 69421690 D1 DE69421690 D1 DE 69421690D1 DE 69421690 T DE69421690 T DE 69421690T DE 69421690 T DE69421690 T DE 69421690T DE 69421690 D1 DE69421690 D1 DE 69421690D1
Authority
DE
Germany
Prior art keywords
data compression
compression
data
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 - Lifetime
Application number
DE69421690T
Other languages
English (en)
Other versions
DE69421690T2 (de
Inventor
Jerome Mark Shapiro
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.)
MediaTek Inc
Original Assignee
Sarnoff 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 Sarnoff Corp filed Critical Sarnoff Corp
Publication of DE69421690D1 publication Critical patent/DE69421690D1/de
Application granted granted Critical
Publication of DE69421690T2 publication Critical patent/DE69421690T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04N19/60—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • 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
    • 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
    • H04N19/647—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 using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]

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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE69421690T 1993-01-22 1994-01-21 Geraet und verfahren zur datenkompression Expired - Lifetime DE69421690T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/007,694 US5412741A (en) 1993-01-22 1993-01-22 Apparatus and method for compressing information
PCT/US1994/000451 WO1994017492A1 (en) 1993-01-22 1994-01-21 Apparatus and method for compressing information

Publications (2)

Publication Number Publication Date
DE69421690D1 true DE69421690D1 (de) 1999-12-23
DE69421690T2 DE69421690T2 (de) 2000-06-21

Family

ID=21727645

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421690T Expired - Lifetime DE69421690T2 (de) 1993-01-22 1994-01-21 Geraet und verfahren zur datenkompression

Country Status (7)

Country Link
US (1) US5412741A (de)
EP (1) EP0680643B1 (de)
JP (1) JP3208487B2 (de)
KR (1) KR100306947B1 (de)
DE (1) DE69421690T2 (de)
ES (1) ES2139067T3 (de)
WO (1) WO1994017492A1 (de)

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EP0680643A1 (de) 1995-11-08
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KR960700487A (ko) 1996-01-20
DE69421690T2 (de) 2000-06-21
US5412741A (en) 1995-05-02
EP0680643A4 (de) 1996-03-27
JPH08506226A (ja) 1996-07-02
WO1994017492A1 (en) 1994-08-04
EP0680643B1 (de) 1999-11-17

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