BRPI1010755A2 - transformação 4x4 para codificação de mídia - Google Patents

transformação 4x4 para codificação de mídia

Info

Publication number
BRPI1010755A2
BRPI1010755A2 BRPI1010755A BRPI1010755A BRPI1010755A2 BR PI1010755 A2 BRPI1010755 A2 BR PI1010755A2 BR PI1010755 A BRPI1010755 A BR PI1010755A BR PI1010755 A BRPI1010755 A BR PI1010755A BR PI1010755 A2 BRPI1010755 A2 BR PI1010755A2
Authority
BR
Brazil
Prior art keywords
transformation
media encoding
encoding
media
Prior art date
Application number
BRPI1010755A
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI1010755A2 publication Critical patent/BRPI1010755A2/pt

Links

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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Discrete Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
BRPI1010755A 2009-06-05 2010-06-04 transformação 4x4 para codificação de mídia BRPI1010755A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US18465609P 2009-06-05 2009-06-05
US21988709P 2009-06-24 2009-06-24
US12/788,625 US9069713B2 (en) 2009-06-05 2010-05-27 4X4 transform for media coding
PCT/US2010/037513 WO2010141899A2 (en) 2009-06-05 2010-06-04 4x4 transform for media coding

Publications (1)

Publication Number Publication Date
BRPI1010755A2 true BRPI1010755A2 (pt) 2016-03-22

Family

ID=43298574

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1010755A BRPI1010755A2 (pt) 2009-06-05 2010-06-04 transformação 4x4 para codificação de mídia

Country Status (8)

Country Link
US (3) US9069713B2 (pt)
EP (1) EP2438535A2 (pt)
JP (1) JP5497163B2 (pt)
KR (1) KR101315600B1 (pt)
CN (3) CN105744280A (pt)
BR (1) BRPI1010755A2 (pt)
TW (1) TW201126349A (pt)
WO (1) WO2010141899A2 (pt)

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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
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
US9081733B2 (en) * 2009-06-24 2015-07-14 Qualcomm Incorporated 16-point transform for media data coding
US9075757B2 (en) * 2009-06-24 2015-07-07 Qualcomm Incorporated 16-point transform for media data coding
US9824066B2 (en) 2011-01-10 2017-11-21 Qualcomm Incorporated 32-point transform for media data coding
CN108337521B (zh) * 2011-06-15 2022-07-19 韩国电子通信研究院 存储由可伸缩编码方法生成的比特流的计算机记录介质
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CN103339937B (zh) * 2011-12-21 2017-07-25 太阳专利托管公司 图像编码方法、图像编码装置、图像解码方法、图像解码装置以及图像编解码装置
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WO2016161136A1 (en) * 2015-03-31 2016-10-06 Nxgen Partners Ip, Llc Compression of signals, images and video for multimedia, communications and other applications
CN112703738A (zh) * 2018-08-03 2021-04-23 V-诺瓦国际有限公司 针对信号增强编码的上采样
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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
US8451904B2 (en) 2009-06-24 2013-05-28 Qualcomm Incorporated 8-point transform for media data 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
US9075757B2 (en) 2009-06-24 2015-07-07 Qualcomm Incorporated 16-point transform for media data coding
CN101989253B (zh) 2009-07-31 2012-08-29 鸿富锦精密工业（深圳）有限公司 离散余弦转换电路及使用其的影像处理装置
US9824066B2 (en) 2011-01-10 2017-11-21 Qualcomm Incorporated 32-point transform for media data coding

Also Published As

Publication number Publication date
US20100309974A1 (en) 2010-12-09
KR101315600B1 (ko) 2013-10-10
JP5497163B2 (ja) 2014-05-21
CN102667757B (zh) 2016-03-30
US20150256855A1 (en) 2015-09-10
CN102667757A (zh) 2012-09-12
US20150256854A1 (en) 2015-09-10
WO2010141899A2 (en) 2010-12-09
KR20120052927A (ko) 2012-05-24
CN105744280A (zh) 2016-07-06
EP2438535A2 (en) 2012-04-11
TW201126349A (en) 2011-08-01
US9069713B2 (en) 2015-06-30
CN105491389B (zh) 2018-12-04
JP2012529128A (ja) 2012-11-15
WO2010141899A3 (en) 2012-05-18
CN105491389A (zh) 2016-04-13

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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 2369 DE 31-05-2016 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.

B15K Others concerning applications: alteration of classification

Ipc: H04N 19/625 (2014.01), G06F 17/14 (2006.0