BRPI0505190A - operador de superposição reversìvel para compactação eficiente de dados sem perdas - Google Patents

operador de superposição reversìvel para compactação eficiente de dados sem perdas

Info

Publication number
BRPI0505190A
BRPI0505190A BRPI0505190-8A BRPI0505190A BRPI0505190A BR PI0505190 A BRPI0505190 A BR PI0505190A BR PI0505190 A BRPI0505190 A BR PI0505190A BR PI0505190 A BRPI0505190 A BR PI0505190A
Authority
BR
Brazil
Prior art keywords
planar
reversible
operator
reversibly
lossless data
Prior art date
Application number
BRPI0505190-8A
Other languages
English (en)
Inventor
Chengjie Tu
Henrique Sarmento Malvar
Sridhar Srinivasan
Original Assignee
Microsoft 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.)
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Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of BRPI0505190A publication Critical patent/BRPI0505190A/pt
Publication of BRPI0505190A8 publication Critical patent/BRPI0505190A8/pt
Publication of BRPI0505190B1 publication Critical patent/BRPI0505190B1/pt

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    • 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • 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
    • H04N19/60—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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Discrete Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computing Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)

Abstract

"OPERADOR DE SUPERPOSIçãO REVERSìVEL PARA COMPACTAçãO EFICIENTE DE DADOS SEM PERDAS". Uma transformada superposta eficiente é realizada utilizando pré e pós-filtros (ou operadores de superposição reversíveis) que são estruturados de matrizes de componente de determinante de unidade. Os pré e pós filtros são realizados como uma sucessão de transformadas rotacionais planares e transformadas em escala planares determinantes. As transformadas em escala planares podem ser implementadas utilizando cisalhamentos planares ou etapas de levantamento. Ademais, as rotações planares e cisalhamentos planares possuem uma implementação como operações reversíveis/sem perdas, tendo como um resultado, um operador de superposição reversível.
BRPI0505190-8A 2004-12-17 2005-11-28 Método de codificar uma imagem de mídia digital, método de decodificar dados de figuras a partir de um fluxo de bits compactado, dispositivo codificador de figuras e dispositivo decodificador de figuras BRPI0505190B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/015.148 2004-12-17
US11/015,148 US7428342B2 (en) 2004-12-17 2004-12-17 Reversible overlap operator for efficient lossless data compression

Publications (3)

Publication Number Publication Date
BRPI0505190A true BRPI0505190A (pt) 2006-09-12
BRPI0505190A8 BRPI0505190A8 (pt) 2018-08-14
BRPI0505190B1 BRPI0505190B1 (pt) 2019-10-08

Family

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Family Applications (1)

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BRPI0505190-8A BRPI0505190B1 (pt) 2004-12-17 2005-11-28 Método de codificar uma imagem de mídia digital, método de decodificar dados de figuras a partir de um fluxo de bits compactado, dispositivo codificador de figuras e dispositivo decodificador de figuras

Country Status (10)

Country Link
US (2) US7428342B2 (pt)
EP (1) EP1672929B1 (pt)
JP (2) JP4994655B2 (pt)
KR (1) KR101036711B1 (pt)
CN (1) CN1805547B (pt)
AU (2) AU2005237164B2 (pt)
BR (1) BRPI0505190B1 (pt)
CA (1) CA2526366C (pt)
MX (1) MXPA05012402A (pt)
RU (1) RU2377653C2 (pt)

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JP4994655B2 (ja) 2012-08-08
US20060133682A1 (en) 2006-06-22
RU2005135425A (ru) 2007-05-27
AU2005237164B2 (en) 2010-08-26
JP5036900B2 (ja) 2012-09-26
US7428342B2 (en) 2008-09-23
BRPI0505190B1 (pt) 2019-10-08
JP2006174487A (ja) 2006-06-29
CA2526366C (en) 2013-10-08
AU2005237164A1 (en) 2006-07-06
AU2010212245B2 (en) 2012-12-06
BRPI0505190A8 (pt) 2018-08-14
JP2012065328A (ja) 2012-03-29
EP1672929A2 (en) 2006-06-21
CN1805547A (zh) 2006-07-19
KR101036711B1 (ko) 2011-05-24
EP1672929A3 (en) 2012-01-25
RU2377653C2 (ru) 2009-12-27
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MXPA05012402A (es) 2006-06-19
US7551789B2 (en) 2009-06-23
US20080317368A1 (en) 2008-12-25
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AU2010212245A1 (en) 2010-09-02
KR20060069256A (ko) 2006-06-21

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