GB0128995D0 - A method of processing video into an encoded bitstream - Google Patents

A method of processing video into an encoded bitstream

Info

Publication number
GB0128995D0
GB0128995D0 GB0128995A GB0128995A GB0128995D0 GB 0128995 D0 GB0128995 D0 GB 0128995D0 GB 0128995 A GB0128995 A GB 0128995A GB 0128995 A GB0128995 A GB 0128995A GB 0128995 D0 GB0128995 D0 GB 0128995D0
Authority
GB
United Kingdom
Prior art keywords
video
quality
encoded bitstream
contour
labels
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.)
Withdrawn
Application number
GB0128995A
Other versions
GB2373122A (en
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.)
TELEMEDIA SYSTEMS Ltd
Original Assignee
TELEMEDIA SYSTEMS Ltd
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 TELEMEDIA SYSTEMS Ltd filed Critical TELEMEDIA SYSTEMS Ltd
Publication of GB0128995D0 publication Critical patent/GB0128995D0/en
Priority to EP02700486A priority Critical patent/EP1368972A2/en
Priority to JP2002570538A priority patent/JP2004523178A/en
Priority to AU2002233556A priority patent/AU2002233556A1/en
Priority to US10/471,114 priority patent/US20040101204A1/en
Priority to PCT/GB2002/000881 priority patent/WO2002071757A2/en
Publication of GB2373122A publication Critical patent/GB2373122A/en
Withdrawn legal-status Critical Current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
    • G06T9/20—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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/29—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding involving scalability at the object level, e.g. video object layer [VOL]
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/60—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]
    • 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

Abstract

In a method of processing video into an encoded bitstream in which the encoded bitstream is intended to be sent over a WAN to a device, the processing of the video results in the bitstream (a) representing the video in a vector graphic format with quality labels which are device independent, and also (b) being decodable at the device to display, at a quality determined by the resource constraints of the device, a vector graphics based representation of the video. The quality labels are derived from perceptual significances assigned to contours defining a particular image feature and the labels indicate the position of a given contour in a hierarchy of layers allowing scalable contour coding of an image. This allows a display device to generate a contour representation of the video at a quality level commensurate with the display capabilities of the device by selection of the appropriate hierarchy layers.
GB0128995A 2001-03-07 2001-12-04 Scalable shape coding of video Withdrawn GB2373122A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP02700486A EP1368972A2 (en) 2001-03-07 2002-02-28 Scalable video coding using vector graphics
JP2002570538A JP2004523178A (en) 2001-03-07 2002-02-28 How to process video into encoded bitstream
AU2002233556A AU2002233556A1 (en) 2001-03-07 2002-02-28 Scalable video coding using vector graphics
US10/471,114 US20040101204A1 (en) 2001-03-07 2002-02-28 Method of processing video into an encoded bitstream
PCT/GB2002/000881 WO2002071757A2 (en) 2001-03-07 2002-02-28 Scalable video coding using vector graphics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0105518A GB0105518D0 (en) 2001-03-07 2001-03-07 Scalable video library to a limited resource client device using a vector graphic representation

Publications (2)

Publication Number Publication Date
GB0128995D0 true GB0128995D0 (en) 2002-01-23
GB2373122A GB2373122A (en) 2002-09-11

Family

ID=9910077

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0105518A Ceased GB0105518D0 (en) 2001-03-07 2001-03-07 Scalable video library to a limited resource client device using a vector graphic representation
GB0128995A Withdrawn GB2373122A (en) 2001-03-07 2001-12-04 Scalable shape coding of video

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0105518A Ceased GB0105518D0 (en) 2001-03-07 2001-03-07 Scalable video library to a limited resource client device using a vector graphic representation

Country Status (1)

Country Link
GB (2) GB0105518D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8878851B2 (en) * 2004-11-12 2014-11-04 Synchronica Plc Method and system for streaming documents, e-mail attachments and maps to wireless devices

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838830A (en) * 1996-09-18 1998-11-17 Sharp Laboratories Of America, Inc. Vertex-based hierarchical shape representation and coding method and apparatus
US6011872A (en) * 1996-11-08 2000-01-04 Sharp Laboratories Of America, Inc. Method of generalized content-scalable shape representation and coding
US6002803A (en) * 1997-03-11 1999-12-14 Sharp Laboratories Of America, Inc. Methods of coding the order information for multiple-layer vertices

Also Published As

Publication number Publication date
GB0105518D0 (en) 2001-04-25
GB2373122A (en) 2002-09-11

Similar Documents

Publication Publication Date Title
MY141817A (en) Reduced resolution update mode for advanced video coding
HK1057121A1 (en) Method and system for rendering an image as a display comprising a plurality of lines of pixels
WO2001084846A3 (en) Method and apparatus for transcoding an object-based coded picture signal into a block-based coded picture signal
CN103563347A (en) Scalable systems for controlling color management comprising varying levels of metadata
SG135998A1 (en) Interactive graphics decoder
MY141344A (en) Coding dependency indication in scalable video coding
DE602005014485D1 (en) PROCESS FOR SPATIAL AND SNR IMAGE COMPRESSION
MY154342A (en) Technique for simulating film grain on encoded video
MXPA05004253A (en) System and method for decoding digital encoded images.
MY160489A (en) Method and apparatus for complexity scalable video encoder
HUP0100650A2 (en) Data hiding method and data extracting method
RU2007137805A (en) METHOD, DEVICE AND SYSTEM FOR EFFECTIVE CODING AND DECODING OF VIDEO DATA
TW200620141A (en) Method and apparatus for coding image, and method and apparatus for decoding image
ES2190995T3 (en) VIDEO DECODER WITH MOVEMENT COMPENSATION.
MY163448A (en) Method and apparatus for encoding and decoding coding unit of picture boundary
MY134659A (en) Picture buffering for prediction references and display
MX2022000834A (en) Device and method for coding video data.
ATE326122T1 (en) FGS DECODING UNDER CONTROL OF AN IMAGE QUALITY PARAMETER CALCULATED IN THE DECODER
EP1788817A4 (en) Decoder, encoder, decoding method and encoding method
TW200607360A (en) Animation image decoding method, animation image decoding program, animation image decoder, animation image encoding method, animation image encoding program, and animation image encoder
GB2605029A (en) Use of transformed coefficients to provide embedded signalling for watermarking
TW200633506A (en) Encoding device and method, decoding and method, program, recording medium, and data structure
WO2002071757A3 (en) Scalable video coding using vector graphics
GB2453691A (en) Device and method for simplifying vector graphics
GB0128995D0 (en) A method of processing video into an encoded bitstream

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)