HUE048765T2 - Szorzatok gyors kiszámítása diádikus töredékek útján elõjelszimmetrikus kerekítési hibákkal - Google Patents

Szorzatok gyors kiszámítása diádikus töredékek útján elõjelszimmetrikus kerekítési hibákkal

Info

Publication number
HUE048765T2
HUE048765T2 HUE08829843A HUE08829843A HUE048765T2 HU E048765 T2 HUE048765 T2 HU E048765T2 HU E08829843 A HUE08829843 A HU E08829843A HU E08829843 A HUE08829843 A HU E08829843A HU E048765 T2 HUE048765 T2 HU E048765T2
Authority
HU
Hungary
Prior art keywords
sign
products
rounding errors
fast computation
symmetric rounding
Prior art date
Application number
HUE08829843A
Other languages
English (en)
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40409178&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HUE048765(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of HUE048765T2 publication Critical patent/HUE048765T2/hu

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Data Mining & Analysis (AREA)
  • Discrete Mathematics (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Algebra (AREA)
  • Nonlinear Science (AREA)
  • Complex Calculations (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HUE08829843A 2007-08-28 2008-08-28 Szorzatok gyors kiszámítása diádikus töredékek útján elõjelszimmetrikus kerekítési hibákkal HUE048765T2 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96838107P 2007-08-28 2007-08-28
US12/139,957 US8819095B2 (en) 2007-08-28 2008-06-16 Fast computation of products by dyadic fractions with sign-symmetric rounding errors

Publications (1)

Publication Number Publication Date
HUE048765T2 true HUE048765T2 (hu) 2020-08-28

Family

ID=40409178

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE08829843A HUE048765T2 (hu) 2007-08-28 2008-08-28 Szorzatok gyors kiszámítása diádikus töredékek útján elõjelszimmetrikus kerekítési hibákkal

Country Status (12)

Country Link
US (2) US8819095B2 (hu)
EP (1) EP2195750B1 (hu)
JP (1) JP4965711B2 (hu)
KR (1) KR101107923B1 (hu)
CN (2) CN102067108B (hu)
BR (1) BRPI0815791B1 (hu)
CA (1) CA2698269C (hu)
ES (1) ES2791420T3 (hu)
HU (1) HUE048765T2 (hu)
RU (1) RU2468422C2 (hu)
TW (1) TWI474194B (hu)
WO (1) WO2009032740A2 (hu)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI343021B (en) * 2006-10-24 2011-06-01 Princeton Technology Corp Data transformation method and data transformation circuit capable of saving numeral operations
US8819095B2 (en) 2007-08-28 2014-08-26 Qualcomm Incorporated Fast computation of products by dyadic fractions with sign-symmetric rounding errors
EP2916549B1 (en) 2011-06-24 2018-07-18 NTT DoCoMo, Inc. Method and apparatus for motion compensation
US9111059B2 (en) 2012-11-01 2015-08-18 Stc.Unm System and methods for dynamic management of hardware resources

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285402A (en) 1991-11-22 1994-02-08 Intel Corporation Multiplyless discrete cosine transform
US5561424A (en) * 1993-04-30 1996-10-01 Lucent Technologies Inc. Data converter with minimum phase fir filter and method for calculating filter coefficients
US6195674B1 (en) 1997-04-30 2001-02-27 Canon Kabushiki Kaisha Fast DCT apparatus
JP3975629B2 (ja) * 1999-12-16 2007-09-12 ソニー株式会社 画像復号装置及び画像復号方法
KR100422443B1 (ko) * 2001-02-13 2004-03-11 삼성전자주식회사 버츄얼 공통패턴을 사용한 저전력 ｃｓｄ 선형위상 ｆｉｒ필터 구조 및 그에 따른 필터구현방법
US6882685B2 (en) 2001-09-18 2005-04-19 Microsoft Corporation Block transform and quantization for image and video coding
KR100422449B1 (ko) * 2001-11-12 2004-03-11 삼성전자주식회사 수직 공통패턴을 사용한 저전력 ｃｓｄ 선형위상 디지털필터 구조 및 그에 따른 필터구현방법
US6963613B2 (en) * 2002-04-01 2005-11-08 Broadcom Corporation Method of communicating between modules in a decoding system
JP2004334212A (ja) 2003-05-09 2004-11-25 Samsung Electronics Co Ltd モンゴメリ掛け算器及び掛け算方法
US7689641B2 (en) * 2003-06-30 2010-03-30 Intel Corporation SIMD integer multiply high with round and shift
US8335811B2 (en) 2004-03-04 2012-12-18 Broadcom Corporation Method and system for high fidelity IDCT and DCT algorithms
US7587093B2 (en) 2004-07-07 2009-09-08 Mediatek Inc. Method and apparatus for implementing DCT/IDCT based video/image processing
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US20070200738A1 (en) 2005-10-12 2007-08-30 Yuriy Reznik Efficient multiplication-free computation for signal and data processing
KR100667595B1 (ko) * 2005-12-29 2007-01-11 삼성전자주식회사 가변 길이 디코더
US20070180010A1 (en) * 2006-01-13 2007-08-02 Fujitsu Limited System and method for iteratively eliminating common subexpressions in an arithmetic system
US8849884B2 (en) * 2006-03-29 2014-09-30 Qualcom Incorporate Transform design with scaled and non-scaled interfaces
US8385424B2 (en) 2006-06-26 2013-02-26 Qualcomm Incorporated Reduction of errors during computation of inverse discrete cosine transform
DE102006038629A1 (de) 2006-08-17 2008-02-21 Dr. Suwelack Skin & Health Care Ag Stabilisierte Wirkstoffzusammensetzung
TWI343021B (en) 2006-10-24 2011-06-01 Princeton Technology Corp Data transformation method and data transformation circuit capable of saving numeral operations
US8819095B2 (en) * 2007-08-28 2014-08-26 Qualcomm Incorporated Fast computation of products by dyadic fractions with sign-symmetric rounding errors

Also Published As

Publication number Publication date
JP2011507313A (ja) 2011-03-03
US20090063599A1 (en) 2009-03-05
CN102982007B (zh) 2016-04-06
KR20100066521A (ko) 2010-06-17
JP4965711B2 (ja) 2012-07-04
TW200925897A (en) 2009-06-16
BRPI0815791A2 (pt) 2015-02-24
TWI474194B (zh) 2015-02-21
EP2195750A2 (en) 2010-06-16
ES2791420T3 (es) 2020-11-04
CA2698269A1 (en) 2009-03-12
EP2195750B1 (en) 2020-03-11
WO2009032740A3 (en) 2011-02-10
CN102982007A (zh) 2013-03-20
US8819095B2 (en) 2014-08-26
US20140330878A1 (en) 2014-11-06
RU2468422C2 (ru) 2012-11-27
RU2010111763A (ru) 2011-10-10
CN102067108B (zh) 2016-03-09
CN102067108A (zh) 2011-05-18
US9459831B2 (en) 2016-10-04
KR101107923B1 (ko) 2012-01-25
WO2009032740A2 (en) 2009-03-12
CA2698269C (en) 2016-05-17
BRPI0815791B1 (pt) 2020-02-11

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