MX2014004851A - Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen. - Google Patents

Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen.

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Publication number
MX2014004851A
MX2014004851A MX2014004851A MX2014004851A MX2014004851A MX 2014004851 A MX2014004851 A MX 2014004851A MX 2014004851 A MX2014004851 A MX 2014004851A MX 2014004851 A MX2014004851 A MX 2014004851A MX 2014004851 A MX2014004851 A MX 2014004851A
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MX
Mexico
Prior art keywords
image
encoding
decoding
decoder
encoder
Prior art date
Application number
MX2014004851A
Other languages
English (en)
Inventor
Bae Keun Lee
Jae Cheol Kwon
Joo Young Kim
Original Assignee
Kt Corp
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Publication date
Application filed by Kt Corp filed Critical Kt Corp
Publication of MX2014004851A publication Critical patent/MX2014004851A/es

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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
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    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • 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
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    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
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    • H04N19/146—Data rate or code amount at the encoder output
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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

La presente invención se refiere a una técnica para codificar y decodificar una imagen y a un método para codificar la imagen, de acuerdo con la presente invención, comprende los pasos de: llevar a cabo una predicción con respecto a un bloque actual; y transformar un residuo que se genera por la predicción, en donde en el paso de transformación, una primera transformación se lleva a cabo en el residuo y luego una segunda transformación se lleva a cabo en un área de frecuencia inferior y en donde un modo de la segunda transformación puede decidirse sobre la base de un modo de la primera transformación.
MX2014004851A 2011-10-18 2012-10-18 Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen. MX2014004851A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20110106624 2011-10-18
PCT/KR2012/008563 WO2013058583A1 (ko) 2011-10-18 2012-10-18 영상 부호화 방법, 영상 복호화 방법, 영상 부호화기 및 영상 복호화기

Publications (1)

Publication Number Publication Date
MX2014004851A true MX2014004851A (es) 2014-05-28

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Application Number Title Priority Date Filing Date
MX2014004851A MX2014004851A (es) 2011-10-18 2012-10-18 Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen.
MX2015010293A MX336750B (es) 2011-10-18 2012-10-18 Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen.
MX2016013695A MX369192B (es) 2011-10-18 2012-10-18 Método para codificar imagen, método para decodificar imagen, codificador de imagen y decodificador de imagen.
MX2016001115A MX355346B (es) 2011-10-18 2014-04-21 Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen.

Family Applications After (3)

Application Number Title Priority Date Filing Date
MX2015010293A MX336750B (es) 2011-10-18 2012-10-18 Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen.
MX2016013695A MX369192B (es) 2011-10-18 2012-10-18 Método para codificar imagen, método para decodificar imagen, codificador de imagen y decodificador de imagen.
MX2016001115A MX355346B (es) 2011-10-18 2014-04-21 Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen.

Country Status (11)

Country Link
US (3) US10264283B2 (es)
KR (10) KR101828964B1 (es)
CN (19) CN107959858B (es)
AU (5) AU2012326819B2 (es)
BR (1) BR112014009449B1 (es)
CA (2) CA2946947C (es)
GB (3) GB2554828B (es)
MX (4) MX2014004851A (es)
PL (1) PL231160B1 (es)
RU (10) RU2719375C2 (es)
WO (1) WO2013058583A1 (es)

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