GB2414126B - Communications unit with improved image processing - Google Patents

Communications unit with improved image processing

Info

Publication number
GB2414126B
GB2414126B GB0410525A GB0410525A GB2414126B GB 2414126 B GB2414126 B GB 2414126B GB 0410525 A GB0410525 A GB 0410525A GB 0410525 A GB0410525 A GB 0410525A GB 2414126 B GB2414126 B GB 2414126B
Authority
GB
United Kingdom
Prior art keywords
image processing
communications unit
improved image
improved
communications
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
GB0410525A
Other versions
GB2414126A (en
GB0410525D0 (en
Inventor
Gareth Scott Long
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.)
Sendo International Ltd
Motorola Solutions Inc
Original Assignee
Sendo International Ltd
Motorola Inc
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 Sendo International Ltd, Motorola Inc filed Critical Sendo International Ltd
Priority to GB0410525A priority Critical patent/GB2414126B/en
Publication of GB0410525D0 publication Critical patent/GB0410525D0/en
Priority to PCT/EP2005/052113 priority patent/WO2005109894A1/en
Publication of GB2414126A publication Critical patent/GB2414126A/en
Application granted granted Critical
Publication of GB2414126B publication Critical patent/GB2414126B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
GB0410525A 2004-05-12 2004-05-12 Communications unit with improved image processing Expired - Lifetime GB2414126B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0410525A GB2414126B (en) 2004-05-12 2004-05-12 Communications unit with improved image processing
PCT/EP2005/052113 WO2005109894A1 (en) 2004-05-12 2005-05-10 Image compression method and communication unit provided therewith

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0410525A GB2414126B (en) 2004-05-12 2004-05-12 Communications unit with improved image processing

Publications (3)

Publication Number Publication Date
GB0410525D0 GB0410525D0 (en) 2004-06-16
GB2414126A GB2414126A (en) 2005-11-16
GB2414126B true GB2414126B (en) 2008-10-01

Family

ID=32526854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0410525A Expired - Lifetime GB2414126B (en) 2004-05-12 2004-05-12 Communications unit with improved image processing

Country Status (2)

Country Link
GB (1) GB2414126B (en)
WO (1) WO2005109894A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0574724A2 (en) * 1992-06-18 1993-12-22 General Instrument Corporation Of Delaware Adaptive coding level control for video compression systems
GB2342525A (en) * 1995-10-30 2000-04-12 Sony Uk Ltd Video quantisation based on image activity
US6330369B1 (en) * 1998-07-10 2001-12-11 Avid Technology, Inc. Method and apparatus for limiting data rate and image quality loss in lossy compression of sequences of digital images
US20030103676A1 (en) * 1998-10-06 2003-06-05 Hideyasu Kuniba Data compression method and recording medium with data compression program recorded therein

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0574724A2 (en) * 1992-06-18 1993-12-22 General Instrument Corporation Of Delaware Adaptive coding level control for video compression systems
GB2342525A (en) * 1995-10-30 2000-04-12 Sony Uk Ltd Video quantisation based on image activity
US6330369B1 (en) * 1998-07-10 2001-12-11 Avid Technology, Inc. Method and apparatus for limiting data rate and image quality loss in lossy compression of sequences of digital images
US20030103676A1 (en) * 1998-10-06 2003-06-05 Hideyasu Kuniba Data compression method and recording medium with data compression program recorded therein

Also Published As

Publication number Publication date
GB2414126A (en) 2005-11-16
GB0410525D0 (en) 2004-06-16
WO2005109894A1 (en) 2005-11-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120112 AND 20120118

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20170831 AND 20170906

PE20 Patent expired after termination of 20 years

Expiry date: 20240511