NO20083465L - Transformasjoner med felles faktorer - Google Patents

Transformasjoner med felles faktorer

Info

Publication number
NO20083465L
NO20083465L NO20083465A NO20083465A NO20083465L NO 20083465 L NO20083465 L NO 20083465L NO 20083465 A NO20083465 A NO 20083465A NO 20083465 A NO20083465 A NO 20083465A NO 20083465 L NO20083465 L NO 20083465L
Authority
NO
Norway
Prior art keywords
group
constant
rational
data value
transformations
Prior art date
Application number
NO20083465A
Other languages
English (en)
Norwegian (no)
Inventor
Yuriy Reznik
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of NO20083465L publication Critical patent/NO20083465L/no

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G06F7/4836—Computations with rational numbers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • 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
    • 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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Discrete Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Nonlinear Science (AREA)
  • Complex Calculations (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
NO20083465A 2006-01-11 2008-08-08 Transformasjoner med felles faktorer NO20083465L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US75846406P 2006-01-11 2006-01-11
US11/621,945 US8595281B2 (en) 2006-01-11 2007-01-10 Transforms with common factors
PCT/US2007/060405 WO2007082272A2 (fr) 2006-01-11 2007-01-11 Transformées a facteurs communs

Publications (1)

Publication Number Publication Date
NO20083465L true NO20083465L (no) 2008-10-10

Family

ID=38257126

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20083465A NO20083465L (no) 2006-01-11 2008-08-08 Transformasjoner med felles faktorer

Country Status (15)

Country Link
US (1) US8595281B2 (fr)
EP (2) EP2477121A3 (fr)
JP (1) JP5086274B2 (fr)
KR (1) KR101028676B1 (fr)
CN (2) CN101375274B (fr)
AU (1) AU2007204645B2 (fr)
BR (1) BRPI0706474A2 (fr)
CA (1) CA2633897C (fr)
IL (1) IL192075A0 (fr)
MX (1) MX2008008987A (fr)
NO (1) NO20083465L (fr)
NZ (1) NZ568993A (fr)
RU (1) RU2429531C2 (fr)
TW (1) TWI359364B (fr)
WO (1) WO2007082272A2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070200738A1 (en) * 2005-10-12 2007-08-30 Yuriy Reznik Efficient multiplication-free computation for signal and data processing
US8595281B2 (en) * 2006-01-11 2013-11-26 Qualcomm Incorporated Transforms with common factors
US20070271321A1 (en) * 2006-01-11 2007-11-22 Qualcomm, Inc. Transforms with reduce complexity and/or improve precision by means of common factors
US8849884B2 (en) 2006-03-29 2014-09-30 Qualcom Incorporate Transform design with scaled and non-scaled interfaces
US8654833B2 (en) * 2007-09-26 2014-02-18 Qualcomm Incorporated Efficient transformation techniques for video coding
US8248660B2 (en) * 2007-12-14 2012-08-21 Qualcomm Incorporated Efficient diffusion dithering using dyadic rationals
US9110849B2 (en) * 2009-04-15 2015-08-18 Qualcomm Incorporated Computing even-sized discrete cosine transforms
US8762441B2 (en) * 2009-06-05 2014-06-24 Qualcomm Incorporated 4X4 transform for media coding
US9069713B2 (en) * 2009-06-05 2015-06-30 Qualcomm Incorporated 4X4 transform for media coding
US9081733B2 (en) * 2009-06-24 2015-07-14 Qualcomm Incorporated 16-point transform for media data coding
US8451904B2 (en) 2009-06-24 2013-05-28 Qualcomm Incorporated 8-point transform for media data coding
US9118898B2 (en) 2009-06-24 2015-08-25 Qualcomm Incorporated 8-point transform for media data coding
US9075757B2 (en) 2009-06-24 2015-07-07 Qualcomm Incorporated 16-point transform for media data coding
US9185422B2 (en) * 2010-07-15 2015-11-10 Qualcomm Incorporated Variable localized bit-depth increase for fixed-point transforms in video coding
US9824066B2 (en) 2011-01-10 2017-11-21 Qualcomm Incorporated 32-point transform for media data coding
US11030777B2 (en) * 2018-09-14 2021-06-08 Sony Group Corporation Adaptive subband coding for lifting transform

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JP2711176B2 (ja) 1990-10-02 1998-02-10 アロカ株式会社 超音波画像処理装置
CA2060407C (fr) 1991-03-22 1998-10-27 Jack M. Sacks Processeur a difference minimale
US5233551A (en) * 1991-10-21 1993-08-03 Rockwell International Corporation Radix-12 DFT/FFT building block
US5285402A (en) * 1991-11-22 1994-02-08 Intel Corporation Multiplyless discrete cosine transform
US5539836A (en) * 1991-12-20 1996-07-23 Alaris Inc. Method and apparatus for the realization of two-dimensional discrete cosine transform for an 8*8 image fragment
TW284869B (fr) * 1994-05-27 1996-09-01 Hitachi Ltd
US5712809A (en) 1994-10-31 1998-01-27 Vivo Software, Inc. Method and apparatus for performing fast reduced coefficient discrete cosine transforms
US5701263A (en) * 1995-08-28 1997-12-23 Hyundai Electronics America Inverse discrete cosine transform processor for VLSI implementation
US5930160A (en) * 1996-06-22 1999-07-27 Texas Instruments Incorporated Multiply accumulate unit for processing a signal and method of operation
JP3263807B2 (ja) 1996-09-09 2002-03-11 ソニー株式会社 画像符号化装置および画像符号化方法
US6058215A (en) 1997-04-30 2000-05-02 Ricoh Company, Ltd. Reversible DCT for lossless-lossy compression
JP3957829B2 (ja) * 1997-08-29 2007-08-15 株式会社オフィスノア 動画像情報の圧縮方法およびそのシステム
KR100270799B1 (ko) * 1998-01-30 2000-11-01 김영환 이산코사인변환/역이산코사인변환 프로세서
US6189021B1 (en) 1998-09-15 2001-02-13 Winbond Electronics Corp. Method for forming two-dimensional discrete cosine transform and its inverse involving a reduced number of multiplication operations
US6757326B1 (en) * 1998-12-28 2004-06-29 Motorola, Inc. Method and apparatus for implementing wavelet filters in a digital system
US6473534B1 (en) * 1999-01-06 2002-10-29 Hewlett-Packard Company Multiplier-free implementation of DCT used in image and video processing and compression
WO2000055757A1 (fr) 1999-03-17 2000-09-21 The Johns Hopkins University Transformation rapide sans multiplicateur
US6529634B1 (en) 1999-11-08 2003-03-04 Qualcomm, Inc. Contrast sensitive variance based adaptive block size DCT image compression
US6760486B1 (en) 2000-03-28 2004-07-06 General Electric Company Flash artifact suppression in two-dimensional ultrasound imaging
AU2001268309A1 (en) * 2000-06-09 2001-12-17 Walter E Pelton Methods for reducing the number of computations in a discrete fourier transform
JP4266512B2 (ja) 2000-12-27 2009-05-20 キヤノン株式会社 データ処理装置
US7007054B1 (en) * 2000-10-23 2006-02-28 International Business Machines Corporation Faster discrete cosine transforms using scaled terms
US6766341B1 (en) * 2000-10-23 2004-07-20 International Business Machines Corporation Faster transforms using scaled terms
ATE375571T1 (de) * 2001-06-12 2007-10-15 Silicon Optix Inc Verfahen und vorrichtung zur verarbeitung einer nichtlinearen zweidimensionalen räumlichen transformation
US6870963B2 (en) 2001-06-15 2005-03-22 Qualcomm, Inc. Configurable pattern optimizer
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US7395210B2 (en) * 2002-11-21 2008-07-01 Microsoft Corporation Progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform
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TWI220716B (en) * 2003-05-19 2004-09-01 Ind Tech Res Inst Method and apparatus of constructing a hardware architecture for transfer functions
RU2305377C2 (ru) 2003-05-20 2007-08-27 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ уменьшения искажения сжатого видеоизображения и устройство для его реализации
US7487193B2 (en) * 2004-05-14 2009-02-03 Microsoft Corporation Fast video codec transform implementations
US7587093B2 (en) * 2004-07-07 2009-09-08 Mediatek Inc. Method and apparatus for implementing DCT/IDCT based video/image processing
US7489826B2 (en) * 2004-10-07 2009-02-10 Infoprint Solutions Company, Llc Compensating for errors in performance sensitive transformations
US7421139B2 (en) * 2004-10-07 2008-09-02 Infoprint Solutions Company, Llc Reducing errors in performance sensitive transformations
CN100388316C (zh) * 2005-04-19 2008-05-14 展讯通信（上海）有限公司 高精度的无乘法器的数字余弦变换电路及其变换方法
US20070200738A1 (en) * 2005-10-12 2007-08-30 Yuriy Reznik Efficient multiplication-free computation for signal and data processing
US20070271321A1 (en) * 2006-01-11 2007-11-22 Qualcomm, Inc. Transforms with reduce complexity and/or improve precision by means of common factors
US8595281B2 (en) * 2006-01-11 2013-11-26 Qualcomm Incorporated Transforms with common factors
US8849884B2 (en) * 2006-03-29 2014-09-30 Qualcom Incorporate Transform design with scaled and non-scaled interfaces

Also Published As

Publication number Publication date
CN101375274A (zh) 2009-02-25
NZ568993A (en) 2010-09-30
EP2477121A3 (fr) 2015-01-21
KR101028676B1 (ko) 2011-04-12
US8595281B2 (en) 2013-11-26
TW200809537A (en) 2008-02-16
RU2008132827A (ru) 2010-02-20
CN103096077B (zh) 2016-03-16
TWI359364B (en) 2012-03-01
WO2007082272A3 (fr) 2008-10-02
CN103096077A (zh) 2013-05-08
AU2007204645B2 (en) 2010-08-12
RU2429531C2 (ru) 2011-09-20
CN101375274B (zh) 2013-02-13
IL192075A0 (en) 2009-08-03
CA2633897C (fr) 2013-04-02
US20070168410A1 (en) 2007-07-19
MX2008008987A (es) 2008-11-18
AU2007204645A1 (en) 2007-07-19
JP2009534721A (ja) 2009-09-24
BRPI0706474A2 (pt) 2011-03-29
CA2633897A1 (fr) 2007-07-19
EP2477121A2 (fr) 2012-07-18
WO2007082272A2 (fr) 2007-07-19
EP1999641A2 (fr) 2008-12-10
KR20090007279A (ko) 2009-01-16
JP5086274B2 (ja) 2012-11-28

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