CA2358857C - Compression de donnees a affectation adaptative des bits et codage hybride a entropie sans perte - Google Patents

Compression de donnees a affectation adaptative des bits et codage hybride a entropie sans perte Download PDF

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Publication number
CA2358857C
CA2358857C CA002358857A CA2358857A CA2358857C CA 2358857 C CA2358857 C CA 2358857C CA 002358857 A CA002358857 A CA 002358857A CA 2358857 A CA2358857 A CA 2358857A CA 2358857 C CA2358857 C CA 2358857C
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Canada
Prior art keywords
quantization
baseband
subbands
size
subband
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
CA002358857A
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English (en)
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CA2358857A1 (fr
Inventor
Zhengrong Wang
Paul Steven Houle
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Historic AOL LLC
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America Online Inc
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Priority claimed from US08/618,368 external-priority patent/US5682152A/en
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Publication of CA2358857A1 publication Critical patent/CA2358857A1/fr
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Publication of CA2358857C publication Critical patent/CA2358857C/fr
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA002358857A 1996-03-19 1997-03-19 Compression de donnees a affectation adaptative des bits et codage hybride a entropie sans perte Expired - Lifetime CA2358857C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/618,368 1996-03-19
US08/618,368 US5682152A (en) 1996-03-19 1996-03-19 Data compression using adaptive bit allocation and hybrid lossless entropy encoding
CA002249259A CA2249259C (fr) 1996-03-19 1997-03-19 Compression de donnees a affectation adaptative des bits et codage hybride a entropie sans perte

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002249259A Division CA2249259C (fr) 1996-03-19 1997-03-19 Compression de donnees a affectation adaptative des bits et codage hybride a entropie sans perte

Publications (2)

Publication Number Publication Date
CA2358857A1 CA2358857A1 (fr) 1997-09-25
CA2358857C true CA2358857C (fr) 2008-07-15

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Family Applications (1)

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CA002358857A Expired - Lifetime CA2358857C (fr) 1996-03-19 1997-03-19 Compression de donnees a affectation adaptative des bits et codage hybride a entropie sans perte

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CA (1) CA2358857C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118715720B (zh) * 2022-03-11 2026-03-20 Oppo广东移动通信有限公司 零游程值编解码方法及视频编解码方法、装置和系统

Also Published As

Publication number Publication date
CA2358857A1 (fr) 1997-09-25

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