MX2010004071A - Implementacion de punto fijo de un filtro de imagen adaptativo con alta eficiencia de codificacion. - Google Patents

Implementacion de punto fijo de un filtro de imagen adaptativo con alta eficiencia de codificacion.

Info

Publication number
MX2010004071A
MX2010004071A MX2010004071A MX2010004071A MX2010004071A MX 2010004071 A MX2010004071 A MX 2010004071A MX 2010004071 A MX2010004071 A MX 2010004071A MX 2010004071 A MX2010004071 A MX 2010004071A MX 2010004071 A MX2010004071 A MX 2010004071A
Authority
MX
Mexico
Prior art keywords
image filter
adaptive image
fixed
coding efficiency
convolution
Prior art date
Application number
MX2010004071A
Other languages
English (en)
Inventor
Jani Lainema
Kemal Ugur
Dmytro Rusanovskyy
Antti Olli Hallapuro
Original Assignee
Nokia 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 US11/872,024 external-priority patent/US20090097545A1/en
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of MX2010004071A publication Critical patent/MX2010004071A/es

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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)

Abstract

De acuerdo con una modalidad de la presente invención, se describe un método, el cual comprende: representar coeficientes de un filtro de imagen adaptivo en palabras binarias en donde los coeficientes están restringidos y las palabras binarias tienen un número máximo de bits definidos por lo menos en parte por un índice de precisión celular por lo menos de una suma de convolusión y múltiples sumas de convolusión parcial tienen un rango de valores restringidos y tiene una representación binaria con un numero de bits máximo fijo; y generar la salida del filtro de imagen adaptivo con base por lo menos en parte en por lo menos una suma de comvolusión y varias sumas de convolusión parcial.
MX2010004071A 2007-10-14 2008-10-13 Implementacion de punto fijo de un filtro de imagen adaptativo con alta eficiencia de codificacion. MX2010004071A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/872,024 US20090097545A1 (en) 2007-10-14 2007-10-14 Fixed-Point Implementation of an Adaptive Image Filter with High Coding Efficiency
US1965908P 2008-01-08 2008-01-08
PCT/IB2008/002709 WO2009050557A2 (en) 2007-10-14 2008-10-13 Fixed-point implementation of an adaptive image filter with high coding efficiency

Publications (1)

Publication Number Publication Date
MX2010004071A true MX2010004071A (es) 2010-06-01

Family

ID=40344364

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2010004071A MX2010004071A (es) 2007-10-14 2008-10-13 Implementacion de punto fijo de un filtro de imagen adaptativo con alta eficiencia de codificacion.

Country Status (6)

Country Link
EP (1) EP2208352A2 (es)
KR (1) KR20100074272A (es)
CN (1) CN101878648A (es)
MX (1) MX2010004071A (es)
RU (1) RU2010119176A (es)
WO (1) WO2009050557A2 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102469310B (zh) * 2010-11-19 2015-02-04 深圳市云宙多媒体技术有限公司 一种亚像素插值方法及系统
AU2012303976B2 (en) * 2011-08-31 2015-08-13 Mediatek Inc. Method and apparatus for adaptive loop filter with constrained filter coefficients
SE538512C2 (sv) * 2014-11-26 2016-08-30 Kelicomp Ab Improved compression and encryption of a file
CN114125444B (zh) * 2018-03-09 2022-10-11 华为技术有限公司 面向图像滤波的编解码方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0474226A3 (en) * 1990-09-06 1993-01-20 Matsushita Electric Industrial Co., Ltd. Digitial filter composing apparatus and digital filter composing method therefor
EP0644684B1 (en) * 1993-09-17 2000-02-02 Eastman Kodak Company Digital resampling integrated circuit for fast image resizing applications
US5729483A (en) * 1995-11-14 1998-03-17 Advanced Micro Devices Implementation of a digital interpolation filter and method
GB2373661B (en) * 2001-03-23 2005-05-11 Advanced Risc Mach Ltd A data processing apparatus and method for performing an adaptive filter operation on an input data sample
TW200501565A (en) * 2003-05-15 2005-01-01 Neuro Solution Corp Digital filter and design method, design apparatus, and digital filter design program thereof

Also Published As

Publication number Publication date
KR20100074272A (ko) 2010-07-01
WO2009050557A2 (en) 2009-04-23
EP2208352A2 (en) 2010-07-21
CN101878648A (zh) 2010-11-03
WO2009050557A3 (en) 2009-06-11
RU2010119176A (ru) 2011-11-20

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