WO2000049571A3 - Method and system of region-based image coding with dynamic streaming of code blocks - Google Patents

Method and system of region-based image coding with dynamic streaming of code blocks Download PDF

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Publication number
WO2000049571A3
WO2000049571A3 PCT/CA2000/000134 CA0000134W WO0049571A3 WO 2000049571 A3 WO2000049571 A3 WO 2000049571A3 CA 0000134 W CA0000134 W CA 0000134W WO 0049571 A3 WO0049571 A3 WO 0049571A3
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WO
WIPO (PCT)
Prior art keywords
region
image coding
code blocks
based image
coding
Prior art date
Application number
PCT/CA2000/000134
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French (fr)
Other versions
WO2000049571A9 (en
WO2000049571A2 (en
Inventor
Meng Wang
Xue Dong Yang
Brent Simon
Li Qu
Yi Xiong
Michael Wong
Original Assignee
Digital Accelerator Corp
Meng Wang
Xue Dong Yang
Brent Simon
Li Qu
Yi Xiong
Michael Wong
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Publication date
Application filed by Digital Accelerator Corp, Meng Wang, Xue Dong Yang, Brent Simon, Li Qu, Yi Xiong, Michael Wong filed Critical Digital Accelerator Corp
Priority to AU25299/00A priority Critical patent/AU2529900A/en
Priority to CA 2363273 priority patent/CA2363273A1/en
Publication of WO2000049571A2 publication Critical patent/WO2000049571A2/en
Publication of WO2000049571A3 publication Critical patent/WO2000049571A3/en
Publication of WO2000049571A9 publication Critical patent/WO2000049571A9/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/20—Contour coding, e.g. using detection of edges
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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    • H04N19/127—Prioritisation of hardware or computational resources
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    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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    • H04N19/146—Data rate or code amount at the encoder output

Abstract

The invention is a new effective and fast method and apparatus for still image compression, transmission and decompression. The present invention implements optional sorting and encoding methodologies to create object-oriented, shape coding or region coding in still image and video coding that is content accessible, scalable and computationally efficient. The invented, multiplexed transmission regime ensures a robust, scalable and content accessible bit stream and includes a dynamic, bit budget control architecture.
PCT/CA2000/000134 1999-02-15 2000-02-15 Method and system of region-based image coding with dynamic streaming of code blocks WO2000049571A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU25299/00A AU2529900A (en) 1999-02-15 2000-02-15 Method and system of region-based image coding with dynamic streaming of code blocks
CA 2363273 CA2363273A1 (en) 1999-02-15 2000-02-15 Method and system of region-based image coding with dynamic streaming of code blocks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,261,833 1999-02-15
CA002261833A CA2261833A1 (en) 1999-02-15 1999-02-15 Method and system of region-based image coding with dynamic streaming of code blocks

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WO2000049571A2 WO2000049571A2 (en) 2000-08-24
WO2000049571A3 true WO2000049571A3 (en) 2001-04-05
WO2000049571A9 WO2000049571A9 (en) 2001-06-21

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CA (1) CA2261833A1 (en)
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AU2529900A (en) 2000-09-04
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WO2000049571A2 (en) 2000-08-24

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