BR112013007024A2 - método para transformação de imagem, método para transformação inversa de imagem e aparelho para transformação inversa de imagem - Google Patents

método para transformação de imagem, método para transformação inversa de imagem e aparelho para transformação inversa de imagem

Info

Publication number
BR112013007024A2
BR112013007024A2 BR112013007024A BR112013007024A BR112013007024A2 BR 112013007024 A2 BR112013007024 A2 BR 112013007024A2 BR 112013007024 A BR112013007024 A BR 112013007024A BR 112013007024 A BR112013007024 A BR 112013007024A BR 112013007024 A2 BR112013007024 A2 BR 112013007024A2
Authority
BR
Brazil
Prior art keywords
transformation
image transformation
mxn
frequency
image processing
Prior art date
Application number
BR112013007024A
Other languages
English (en)
Inventor
Cheon Min-Su
Lee Tammy
Seregin Vadim
Han Woo-Jin
Hong Yoon-Mi
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of BR112013007024A2 publication Critical patent/BR112013007024A2/pt

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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
    • H04N19/60—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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • 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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Discrete Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Signal Processing (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Multimedia (AREA)
  • Algebra (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Peptides Or Proteins (AREA)
  • Image Processing (AREA)
  • Magnetic Record Carriers (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Prostheses (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Steroid Compounds (AREA)

Abstract

método para transformação de imagem, método para transformação inversa de imagem e aparelho para transformação inversa de imagem. um método para transformação de imagem, um aparelho para transformação de imagem, um método para transformação inversa de imagem, e um aparelho para transformação inversa de imagem, o método para transformação de imagem incluindo as operações de selecionar uma área de frequência predeterminada para transformação de frequência em relação a um bloco de entrada mxn (onde m e n são números inteiros positivos), obtenção de uma matriz de transformação truncada, selecionado elementos para geração de coeficientes de transformação correspondentes à área de frequência selecionada dentre elementos de uma matriz de transformação mxn para uso na transformação de frequência em relação ao bloco de entrada mxn para uso na transformação de frequência em relação ao bloco de entrada mxn, e produzir coeficientes de transformação correspondentes à área de frequência selecionada, através da realização de transformações de frequência, mediante aplicação da matriz de transformação truncada ao bloco de entrada mxn.
BR112013007024A 2010-09-28 2011-09-28 método para transformação de imagem, método para transformação inversa de imagem e aparelho para transformação inversa de imagem BR112013007024A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38711210P 2010-09-28 2010-09-28
PCT/KR2011/007164 WO2012044075A2 (ko) 2010-09-28 2011-09-28 영상의 변환 방법 및 장치, 역변환 방법 및 장치

Publications (1)

Publication Number Publication Date
BR112013007024A2 true BR112013007024A2 (pt) 2019-09-24

Family

ID=45893662

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013007024A BR112013007024A2 (pt) 2010-09-28 2011-09-28 método para transformação de imagem, método para transformação inversa de imagem e aparelho para transformação inversa de imagem

Country Status (9)

Country Link
US (1) US20130195177A1 (pt)
EP (1) EP2624561A2 (pt)
JP (1) JP2013542664A (pt)
KR (1) KR20120032457A (pt)
CN (1) CN103250415A (pt)
AU (1) AU2011308203A1 (pt)
BR (1) BR112013007024A2 (pt)
MX (1) MX2013003017A (pt)
WO (1) WO2012044075A2 (pt)

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US8902988B2 (en) 2010-10-01 2014-12-02 Qualcomm Incorporated Zero-out of high frequency coefficients and entropy coding retained coefficients using a joint context model
US8891627B1 (en) 2011-04-18 2014-11-18 Google Inc. System and method for coding video using color segmentation
JP2013051522A (ja) * 2011-08-30 2013-03-14 Honda Elesys Co Ltd 画像圧縮装置、画像圧縮方法および画像圧縮プログラム
US9432696B2 (en) 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
US9516345B2 (en) 2014-03-17 2016-12-06 Qualcomm Incorporated Systems and methods for low complexity forward transforms using mesh-based calculations
US9392272B1 (en) 2014-06-02 2016-07-12 Google Inc. Video coding using adaptive source variance based partitioning
US9578324B1 (en) 2014-06-27 2017-02-21 Google Inc. Video coding using statistical-based spatially differentiated partitioning
US9998746B2 (en) * 2016-02-10 2018-06-12 Amazon Technologies, Inc. Video decoder memory optimization
US10305717B2 (en) * 2016-02-26 2019-05-28 VertoCOMM, Inc. Devices and methods using the hermetic transform for transmitting and receiving signals using multi-channel signaling
FR3050598B1 (fr) * 2016-04-26 2020-11-06 Bcom Procede de decodage d'une image numerique, procede de codage, dispositifs, et programmes d'ordinateurs associes
US11218731B2 (en) * 2017-12-15 2022-01-04 Lg Electronics Inc. Image coding method on basis of transformation and device therefor
KR102489150B1 (ko) * 2017-12-15 2023-01-17 엘지전자 주식회사 비분리 2차 변환에 기반한 영상 코딩 방법 및 그 장치
CN115776572A (zh) 2017-12-21 2023-03-10 Lg电子株式会社 图像解码和编码方法、存储比特流的介质和数据发送方法
JP2021517795A (ja) * 2018-04-01 2021-07-26 エルジー エレクトロニクス インコーポレイティド 分割されたブロックに２次変換を適用して、ビデオ信号を処理する方法及び装置
PL3764649T3 (pl) * 2018-04-01 2024-01-22 Lg Electronics Inc. Przetwarzanie sygnału wideo z wykorzystaniem skróconego przekształcenia wtórnego
EP3852374A4 (en) * 2018-09-23 2021-12-08 Lg Electronics Inc. PROCESS FOR ENCODING / DECODING VIDEO SIGNALS AND ASSOCIATED EQUIPMENT
CN116962678A (zh) 2019-01-12 2023-10-27 Lg电子株式会社 图像解码/编码方法、存储介质和图像数据发送方法
KR20220147731A (ko) 2019-03-11 2022-11-03 엘지전자 주식회사 Ibc 모드를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
US11343495B2 (en) * 2020-06-03 2022-05-24 Tencent America LLC Methods of simplification of temporal filtering

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Also Published As

Publication number Publication date
MX2013003017A (es) 2013-06-28
EP2624561A2 (en) 2013-08-07
CN103250415A (zh) 2013-08-14
KR20120032457A (ko) 2012-04-05
US20130195177A1 (en) 2013-08-01
WO2012044075A3 (ko) 2012-05-31
AU2011308203A1 (en) 2013-04-11
JP2013542664A (ja) 2013-11-21
WO2012044075A2 (ko) 2012-04-05

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2543 DE 01-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.