DE69919641D1 - Adaptive Videokompromierung mit variabler Quantisierung - Google Patents

Adaptive Videokompromierung mit variabler Quantisierung

Info

Publication number
DE69919641D1
DE69919641D1 DE69919641T DE69919641T DE69919641D1 DE 69919641 D1 DE69919641 D1 DE 69919641D1 DE 69919641 T DE69919641 T DE 69919641T DE 69919641 T DE69919641 T DE 69919641T DE 69919641 D1 DE69919641 D1 DE 69919641D1
Authority
DE
Germany
Prior art keywords
compromise
adaptive video
variable quantization
quantization
variable
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
DE69919641T
Other languages
English (en)
Other versions
DE69919641T2 (de
Inventor
Konstantinos Konstantinides
Daniel R Tretter
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69919641D1 publication Critical patent/DE69919641D1/de
Application granted granted Critical
Publication of DE69919641T2 publication Critical patent/DE69919641T2/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
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Analysis (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69919641T 1998-07-21 1999-06-16 Adaptive Videokompromierung mit variabler Quantisierung Expired - Fee Related DE69919641T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/120,072 US6314208B1 (en) 1998-07-21 1998-07-21 System for variable quantization in JPEG for compound documents
US120072 2002-04-10

Publications (2)

Publication Number Publication Date
DE69919641D1 true DE69919641D1 (de) 2004-09-30
DE69919641T2 DE69919641T2 (de) 2005-07-14

Family

ID=22388103

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69919641T Expired - Fee Related DE69919641T2 (de) 1998-07-21 1999-06-16 Adaptive Videokompromierung mit variabler Quantisierung

Country Status (4)

Country Link
US (2) US20020001412A1 (de)
EP (1) EP0974933B1 (de)
JP (1) JP2000059634A (de)
DE (1) DE69919641T2 (de)

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US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US7903873B2 (en) * 2007-09-13 2011-03-08 Microsoft Corporation Textual image coding
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Also Published As

Publication number Publication date
US6314208B1 (en) 2001-11-06
EP0974933A3 (de) 2001-01-03
DE69919641T2 (de) 2005-07-14
EP0974933A2 (de) 2000-01-26
EP0974933B1 (de) 2004-08-25
US20020001412A1 (en) 2002-01-03
JP2000059634A (ja) 2000-02-25

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee