HK1079935A1 - Video bit stream decoder - Google Patents

Video bit stream decoder

Info

Publication number
HK1079935A1
HK1079935A1 HK05111748.7A HK05111748A HK1079935A1 HK 1079935 A1 HK1079935 A1 HK 1079935A1 HK 05111748 A HK05111748 A HK 05111748A HK 1079935 A1 HK1079935 A1 HK 1079935A1
Authority
HK
Hong Kong
Prior art keywords
bit stream
video bit
stream decoder
decoder
video
Prior art date
Application number
HK05111748.7A
Inventor
Yoshimi Isu
Shunichi Sekiguchi
Kohtaro Asai
Hirofumi Nishikawa
Shinichi Kuroda
Yuri Hasegawa
Original Assignee
Mitsubishi Electric 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
Priority claimed from EP97909609A external-priority patent/EP1032219B1/en
Priority claimed from EP03090051A external-priority patent/EP1328125B1/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of HK1079935A1 publication Critical patent/HK1079935A1/en

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
    • H04N19/10—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • 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
    • H04N19/12—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
    • 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
    • H04N19/169—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
    • H04N19/17—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234318—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into objects, e.g. MPEG-4 objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44012—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
HK05111748.7A 1997-10-23 2005-12-20 Video bit stream decoder HK1079935A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97909609A EP1032219B1 (en) 1997-10-23 1997-10-23 Image decoding apparatus, image coding apparatus and image communication system
EP03090051A EP1328125B1 (en) 1997-10-23 1997-10-23 Image decoding apparatus

Publications (1)

Publication Number Publication Date
HK1079935A1 true HK1079935A1 (en) 2006-04-13

Family

ID=39917689

Family Applications (12)

Application Number Title Priority Date Filing Date
HK08100418.6A HK1107887A1 (en) 1997-10-23 2005-12-20 Image decoding apparatus
HK07114159.1A HK1109273A1 (en) 1997-10-23 2005-12-20 Image decoding apparatus
HK07114160.8A HK1106904A1 (en) 1997-10-23 2005-12-20 Image decoding apparatus
HK05111747.8A HK1079934A1 (en) 1997-10-23 2005-12-20 Video bit stream decoder
HK05111748.7A HK1079935A1 (en) 1997-10-23 2005-12-20 Video bit stream decoder
HK07114251.8A HK1109275A1 (en) 1997-10-23 2007-12-28 Image decoding apparatus
HK07114250.9A HK1109274A1 (en) 1997-10-23 2007-12-28 Image decoding apparatus
HK07114252.7A HK1109276A1 (en) 1997-10-23 2007-12-28 Image decoding apparatus
HK07114253.6A HK1109277A1 (en) 1997-10-23 2007-12-28 Image decoding apparatus
HK08100201.7A HK1109538A1 (en) 1997-10-23 2008-01-08 Image decoding apparatus
HK09103982.5A HK1126063A1 (en) 1997-10-23 2009-04-29 Image decoding apparatus
HK09104050.0A HK1125770A1 (en) 1997-10-23 2009-04-30 Image decoding apparatus

Family Applications Before (4)

Application Number Title Priority Date Filing Date
HK08100418.6A HK1107887A1 (en) 1997-10-23 2005-12-20 Image decoding apparatus
HK07114159.1A HK1109273A1 (en) 1997-10-23 2005-12-20 Image decoding apparatus
HK07114160.8A HK1106904A1 (en) 1997-10-23 2005-12-20 Image decoding apparatus
HK05111747.8A HK1079934A1 (en) 1997-10-23 2005-12-20 Video bit stream decoder

Family Applications After (7)

Application Number Title Priority Date Filing Date
HK07114251.8A HK1109275A1 (en) 1997-10-23 2007-12-28 Image decoding apparatus
HK07114250.9A HK1109274A1 (en) 1997-10-23 2007-12-28 Image decoding apparatus
HK07114252.7A HK1109276A1 (en) 1997-10-23 2007-12-28 Image decoding apparatus
HK07114253.6A HK1109277A1 (en) 1997-10-23 2007-12-28 Image decoding apparatus
HK08100201.7A HK1109538A1 (en) 1997-10-23 2008-01-08 Image decoding apparatus
HK09103982.5A HK1126063A1 (en) 1997-10-23 2009-04-29 Image decoding apparatus
HK09104050.0A HK1125770A1 (en) 1997-10-23 2009-04-30 Image decoding apparatus

Country Status (2)

Country Link
DE (10) DE69738379T2 (en)
HK (12) HK1107887A1 (en)

Also Published As

Publication number Publication date
HK1079934A1 (en) 2006-04-13
DE69739177D1 (en) 2009-01-29
HK1109273A1 (en) 2008-05-30
HK1109276A1 (en) 2008-05-30
DE69739795D1 (en) 2010-04-15
HK1125770A1 (en) 2009-08-14
HK1109277A1 (en) 2008-05-30
DE69739409D1 (en) 2009-06-25
DE69738381D1 (en) 2008-01-24
DE69738381T2 (en) 2008-12-04
DE69738379D1 (en) 2008-01-24
DE69739794D1 (en) 2010-04-15
HK1109275A1 (en) 2008-05-30
DE69739410D1 (en) 2009-06-25
HK1109274A1 (en) 2008-05-30
HK1106904A1 (en) 2008-03-20
DE69739875D1 (en) 2010-06-17
DE69739411D1 (en) 2009-06-25
DE69738379T2 (en) 2008-12-04
HK1107887A1 (en) 2008-04-18
HK1126063A1 (en) 2009-08-21
HK1109538A1 (en) 2008-06-06
DE69739412D1 (en) 2009-06-25

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20171022