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SE9703233D0 - Image signal processing method and apparatus - Google Patents

Image signal processing method and apparatus

Info

Publication number
SE9703233D0
SE9703233D0 SE9703233A SE9703233A SE9703233D0 SE 9703233 D0 SE9703233 D0 SE 9703233D0 SE 9703233 A SE9703233 A SE 9703233A SE 9703233 A SE9703233 A SE 9703233A SE 9703233 D0 SE9703233 D0 SE 9703233D0
Authority
SE
Sweden
Prior art keywords
image
image signal
image quality
pixel coefficients
signal
Prior art date
Application number
SE9703233A
Other languages
English (en)
Other versions
SE9703233L (sv
SE512832C2 (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 EP98943163A priority patent/EP1013095A2/en
Priority to AU91015/98A priority patent/AU9101598A/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

    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/176—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
    • 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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/48—Methods 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
    • 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
    • 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
    • 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

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
EP98943163A EP1013095A2 (en) 1997-09-08 1998-09-08 Image signal processing method and apparatus
AU91015/98A AU9101598A (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 true SE9703233D0 (sv) 1997-09-08
SE9703233L 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
BRPI0720420A2 (pt) * 2006-12-28 2014-01-14 Nippon Telegraph & Telephone Método e aparelho de processamento de vídeo, programa de processamento de vídeo e meio de armazenamento que armazena o programa

Family Cites Families (5)

* 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
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
WO1993012613A1 (en) * 1991-12-13 1993-06-24 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
SE9703233L (sv) 1999-03-09
EP1013095A2 (en) 2000-06-28
WO1999013646A2 (en) 1999-03-18
AU9101598A (en) 1999-03-29
SE512832C2 (sv) 2000-05-22
WO1999013646A3 (en) 1999-05-27

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