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BRPI0820703A2 - Algoritimos rápidos para computação de dct-ii de 5-pontos, dct-iv, e dst-iv, e arquiteturas - Google Patents

Algoritimos rápidos para computação de dct-ii de 5-pontos, dct-iv, e dst-iv, e arquiteturas

Info

Publication number
BRPI0820703A2
BRPI0820703A2 BRPI0820703-8A BRPI0820703A BRPI0820703A2 BR PI0820703 A2 BRPI0820703 A2 BR PI0820703A2 BR PI0820703 A BRPI0820703 A BR PI0820703A BR PI0820703 A2 BRPI0820703 A2 BR PI0820703A2
Authority
BR
Brazil
Prior art keywords
dct
dst
architectures
computing
fast algorithms
Prior art date
Application number
BRPI0820703-8A
Other languages
English (en)
Inventor
Yuriy Reznik
Ravi Kiran Chivukula
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 BRPI0820703A2 publication Critical patent/BRPI0820703A2/pt

Links

Classifications

    • 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
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Linguistics (AREA)
  • Algebra (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0820703-8A 2007-12-13 2008-12-13 Algoritimos rápidos para computação de dct-ii de 5-pontos, dct-iv, e dst-iv, e arquiteturas BRPI0820703A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1357907P 2007-12-13 2007-12-13
US1610607P 2007-12-21 2007-12-21
US3919408P 2008-03-25 2008-03-25
PCT/US2008/086739 WO2009076666A1 (en) 2007-12-13 2008-12-13 Fast algorithms for computation of 5-point dct-ii, dct-iv, and dst-iv, and architectures

Publications (1)

Publication Number Publication Date
BRPI0820703A2 true BRPI0820703A2 (pt) 2015-06-16

Family

ID=40754681

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0820703-8A BRPI0820703A2 (pt) 2007-12-13 2008-12-13 Algoritimos rápidos para computação de dct-ii de 5-pontos, dct-iv, e dst-iv, e arquiteturas

Country Status (12)

Country Link
US (1) US8631060B2 (pt)
EP (1) EP2225755A1 (pt)
JP (1) JP5269908B2 (pt)
KR (1) KR101226094B1 (pt)
CN (1) CN101896966B (pt)
AU (1) AU2008334935A1 (pt)
BR (1) BRPI0820703A2 (pt)
CA (1) CA2706283A1 (pt)
IL (1) IL205835A0 (pt)
MX (1) MX2010006471A (pt)
TW (1) TWI405185B (pt)
WO (1) WO2009076666A1 (pt)

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US20100172409A1 (en) * 2009-01-06 2010-07-08 Qualcom Incorporated Low-complexity transforms for data compression and decompression
US9110849B2 (en) * 2009-04-15 2015-08-18 Qualcomm Incorporated Computing even-sized discrete cosine transforms
US9069713B2 (en) * 2009-06-05 2015-06-30 Qualcomm Incorporated 4X4 transform for media coding
US8762441B2 (en) * 2009-06-05 2014-06-24 Qualcomm Incorporated 4X4 transform for media coding
US9081733B2 (en) * 2009-06-24 2015-07-14 Qualcomm Incorporated 16-point transform for media data coding
US9118898B2 (en) 2009-06-24 2015-08-25 Qualcomm Incorporated 8-point transform for media data coding
US8451904B2 (en) 2009-06-24 2013-05-28 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
KR101419151B1 (ko) 2009-10-20 2014-07-11 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 영역-의존 산술 코딩 매핑 규칙을 이용하는 오디오 인코더, 오디오 디코더, 오디오 정보를 인코딩하기 위한 방법, 오디오 정보를 디코딩하기 위한 방법 및 컴퓨터 프로그램
CN102104776A (zh) * 2009-12-21 2011-06-22 康佳集团股份有限公司 一种网络电视平台mpeg音频多相合成滤波方法
PT2524371T (pt) 2010-01-12 2017-03-15 Fraunhofer Ges Forschung Codificador de áudio, descodificador de áudio, método de codificação de uma informação de áudio, método de descodificação de uma informação de áudio e programa de computador que utiliza uma tabela hash que descreve tanto valores de estado significativos como limites de intervalo
CN101894557B (zh) * 2010-06-12 2011-12-07 北京航空航天大学 一种用于aac编码的窗型判别方法
US8417045B2 (en) 2010-07-29 2013-04-09 Infoprint Solutions Company Llc Mechanism for processing order-16 discrete cosine transforms
US9824066B2 (en) * 2011-01-10 2017-11-21 Qualcomm Incorporated 32-point transform for media data coding
KR101362696B1 (ko) * 2011-10-19 2014-02-17 전북대학교산학협력단 하이브리드 아키텍쳐가 적용된 신호 변환 장치, 신호 변환 방법 및 기록매체
CN102568485B (zh) * 2011-12-30 2013-12-11 展讯通信（上海）有限公司 音频信号的频时转换方法及装置
TWI443527B (zh) * 2012-01-02 2014-07-01 Univ Nat Cheng Kung 遞迴式第四型離散餘弦之系統
CN103257953B (zh) * 2013-05-06 2016-04-13 福州瑞芯微电子股份有限公司 Imdct36运算模块及方法
WO2015172337A1 (en) 2014-05-14 2015-11-19 Mediatek Singapore Pte. Ltd. Alternative transforms for data compression
CN107005695B (zh) 2014-11-28 2020-01-07 联发科技股份有限公司 用于视频编码的替代变换的方法及装置
JP6868785B2 (ja) * 2016-05-13 2021-05-12 ソニーグループ株式会社 画像処理装置および方法
KR20240104228A (ko) * 2016-07-14 2024-07-04 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 변환 기반 잔차 코딩을 이용한 예측 화상 코딩
US10536720B2 (en) * 2018-05-07 2020-01-14 Tencent America LLC Method, apparatus and medium for decoding or encoding

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US20020040299A1 (en) 2000-07-31 2002-04-04 Kenichi Makino Apparatus and method for performing orthogonal transform, apparatus and method for performing inverse orthogonal transform, apparatus and method for performing transform encoding, and apparatus and method for encoding data
US7216140B1 (en) * 2000-09-30 2007-05-08 Intel Corporation Efficient implementation of n-point DCT, n-point IDCT, SA-DCT and SA-IDCT algorithms
US6636830B1 (en) 2000-11-22 2003-10-21 Vialta Inc. System and method for noise reduction using bi-orthogonal modified discrete cosine transform
RU2216791C1 (ru) 2002-04-29 2003-11-20 Военный университет связи Способ сжатия и восстановления речевых сообщений
KR100462611B1 (ko) 2002-06-27 2004-12-20 삼성전자주식회사 하모닉 성분을 이용한 오디오 코딩방법 및 장치
CN100517298C (zh) 2003-09-29 2009-07-22 新加坡科技研究局 将数字信号从时域变换到频域及其反向变换的方法
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US8233727B2 (en) * 2007-10-19 2012-07-31 Research In Motion Limited Arbitrary ratio image resizing in the DCT domain

Also Published As

Publication number Publication date
US8631060B2 (en) 2014-01-14
KR20100103580A (ko) 2010-09-27
IL205835A0 (en) 2010-11-30
TW200947419A (en) 2009-11-16
MX2010006471A (es) 2010-09-28
CN101896966B (zh) 2012-11-21
JP2011507037A (ja) 2011-03-03
US20090157785A1 (en) 2009-06-18
CA2706283A1 (en) 2009-06-18
EP2225755A1 (en) 2010-09-08
WO2009076666A1 (en) 2009-06-18
KR101226094B1 (ko) 2013-01-24
JP5269908B2 (ja) 2013-08-21
TWI405185B (zh) 2013-08-11
AU2008334935A1 (en) 2009-06-18
CN101896966A (zh) 2010-11-24

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 8A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]