SE9703233L - Anordning och förfarande för bearbetning av en bildsignal - Google Patents

Anordning och förfarande för bearbetning av en bildsignal

Info

Publication number
SE9703233L
SE9703233L SE9703233A SE9703233A SE9703233L SE 9703233 L SE9703233 L SE 9703233L SE 9703233 A SE9703233 A SE 9703233A SE 9703233 A SE9703233 A SE 9703233A SE 9703233 L SE9703233 L SE 9703233L
Authority
SE
Sweden
Prior art keywords
image
image signal
signal
image quality
pixel coefficients
Prior art date
Application number
SE9703233A
Other languages
English (en)
Other versions
SE512832C2 (sv
SE9703233D0 (sv
Inventor
Lars Farm
Original Assignee
Limt Technology Ab
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 Limt Technology Ab filed Critical Limt Technology Ab
Priority to SE9703233A priority Critical patent/SE512832C2/sv
Publication of SE9703233D0 publication Critical patent/SE9703233D0/sv
Priority to AU91015/98A priority patent/AU9101598A/en
Priority to EP98943163A priority patent/EP1013095A2/en
Priority to PCT/SE1998/001597 priority patent/WO1999013646A2/en
Publication of SE9703233L publication Critical patent/SE9703233L/sv
Publication of SE512832C2 publication Critical patent/SE512832C2/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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 a set of transform coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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 a colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/48Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
SE9703233A 1997-09-08 1997-09-08 Anordning och förfarande för bearbetning av en bildsignal SE512832C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9703233A SE512832C2 (sv) 1997-09-08 1997-09-08 Anordning och förfarande för bearbetning av en bildsignal
AU91015/98A AU9101598A (en) 1997-09-08 1998-09-08 Image signal processing method and apparatus
EP98943163A EP1013095A2 (en) 1997-09-08 1998-09-08 Image signal processing method and apparatus
PCT/SE1998/001597 WO1999013646A2 (en) 1997-09-08 1998-09-08 Image signal processing method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703233A SE512832C2 (sv) 1997-09-08 1997-09-08 Anordning och förfarande för bearbetning av en bildsignal

Publications (3)

Publication Number Publication Date
SE9703233D0 SE9703233D0 (sv) 1997-09-08
SE9703233L true SE9703233L (sv) 1999-03-09
SE512832C2 SE512832C2 (sv) 2000-05-22

Family

ID=20408177

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703233A SE512832C2 (sv) 1997-09-08 1997-09-08 Anordning och förfarande för bearbetning av en bildsignal

Country Status (4)

Country Link
EP (1) EP1013095A2 (sv)
AU (1) AU9101598A (sv)
SE (1) SE512832C2 (sv)
WO (1) WO1999013646A2 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI367457B (en) 2006-07-03 2012-07-01 Nippon Telegraph & Telephone Image processing method and apparatus, image processing program, and storage medium for storing the program
JP4999865B2 (ja) * 2006-12-28 2012-08-15 日本電信電話株式会社 映像処理方法および装置、映像処理プログラム並びにプログラムを記録した記憶媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079621A (en) * 1990-06-29 1992-01-07 Eastman Kodak Company Dct transform compression, transmission and recovery of digital color using virtual filtering mechanism
JPH04356886A (ja) * 1991-05-20 1992-12-10 Seiko Epson Corp 画像データ圧縮装置
EP0514663A3 (en) * 1991-05-24 1993-07-14 International Business Machines Corporation An apparatus and method for motion video encoding employing an adaptive quantizer
JPH04368088A (ja) * 1991-06-14 1992-12-21 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像直交変換方式における交流成分の適応符号化方式
AU3274593A (en) * 1991-12-13 1993-07-19 Avid Technology, Inc. Quantization table adjustment
US5706216A (en) * 1995-07-28 1998-01-06 Reisch; Michael L. System for data compression of an image using a JPEG compression circuit modified for filtering in the frequency domain

Also Published As

Publication number Publication date
AU9101598A (en) 1999-03-29
EP1013095A2 (en) 2000-06-28
WO1999013646A2 (en) 1999-03-18
SE512832C2 (sv) 2000-05-22
WO1999013646A3 (en) 1999-05-27
SE9703233D0 (sv) 1997-09-08

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