MX343865B - Metodo de codificacion de video con ajuste de profundidad de bits para conversion de punto fijo y aparato para el mismo, y metodo de decodificacion de video y aparato para el mismo. - Google Patents

Metodo de codificacion de video con ajuste de profundidad de bits para conversion de punto fijo y aparato para el mismo, y metodo de decodificacion de video y aparato para el mismo.

Info

Publication number
MX343865B
MX343865B MX2015007102A MX2015007102A MX343865B MX 343865 B MX343865 B MX 343865B MX 2015007102 A MX2015007102 A MX 2015007102A MX 2015007102 A MX2015007102 A MX 2015007102A MX 343865 B MX343865 B MX 343865B
Authority
MX
Mexico
Prior art keywords
bit depth
therefor
decoding
video
aparatus
Prior art date
Application number
MX2015007102A
Other languages
English (en)
Inventor
Alshina Elena
Alshin Alexander
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 MX343865B publication Critical patent/MX343865B/es

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    • 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
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    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
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    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
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    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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    • H04N19/18—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 a set of transform coefficients
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    • H04N19/184—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 bits, e.g. of the compressed video stream
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    • 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
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    • 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
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    • 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
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    • H04N19/182—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 a pixel

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Discrete Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (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)

Abstract

Se describe un método de codificación de vídeo para ajustar un intervalo de datos de salida codificados, para ajustar una profundidad de bits durante la restauración de las muestras codificadas, y un método de decodificación de vídeo para permitir que ocurra el sobre flujo en los datos de salida en las operaciones de un proceso de decodificación. El método de decodificación de vídeo incluye analizar sintácticamente y restaurar los coeficientes de transformación cuantificados en unidades de bloques de una imagen a partir de una corriente de bits recibida, restaurar los coeficientes de transformación de una primera profundidad de bits o menos mediante la realización de la cuantificación inversa sobre los coeficientes de transformación cuantificados, y restaurar las muestras de una segunda profundidad de bits o menos mediante la realización de la transformación inversa unidireccional (1D) y el escalemiento inverso sobre los coeficientes de transformación cuantificados.
MX2015007102A 2011-06-30 2012-07-02 Metodo de codificacion de video con ajuste de profundidad de bits para conversion de punto fijo y aparato para el mismo, y metodo de decodificacion de video y aparato para el mismo. MX343865B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161503017P 2011-06-30 2011-06-30
PCT/KR2012/005244 WO2013002619A2 (ko) 2011-06-30 2012-07-02 고정소수점 변환을 위한 비트뎁스 조절을 수반하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치

Publications (1)

Publication Number Publication Date
MX343865B true MX343865B (es) 2016-11-25

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Family Applications (5)

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MX2015007105A MX354287B (es) 2011-06-30 2012-07-02 Método de codificación de video con ajuste de profundidad de bits para conversión de punto fijo y aparato para el mismo, y método de decodificación de video y aparato para el mismo.
MX2015007104A MX354286B (es) 2011-06-30 2012-07-02 Método de codificación de video con ajuste de profundidad de bits para conversión de punto fijo y aparato para el mismo, y método de decodificación de video y aparato para el mismo.
MX2015007103A MX344091B (es) 2011-06-30 2012-07-02 Metodo de codificacion de video con ajuste de profundidad de bits para conversion de punto fijo y aparato para el mismo, y metodo de decodificacion de video y aparato para el mismo.
MX2014000055A MX2014000055A (es) 2011-06-30 2012-07-02 Método de codificación de video con ajuste de profundidad de bits para conversión de punto fijo y aparato para el mismo, y método de decodificación de video y aparato para el mismo.
MX2015007102A MX343865B (es) 2011-06-30 2012-07-02 Metodo de codificacion de video con ajuste de profundidad de bits para conversion de punto fijo y aparato para el mismo, y metodo de decodificacion de video y aparato para el mismo.

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MX2015007105A MX354287B (es) 2011-06-30 2012-07-02 Método de codificación de video con ajuste de profundidad de bits para conversión de punto fijo y aparato para el mismo, y método de decodificación de video y aparato para el mismo.
MX2015007104A MX354286B (es) 2011-06-30 2012-07-02 Método de codificación de video con ajuste de profundidad de bits para conversión de punto fijo y aparato para el mismo, y método de decodificación de video y aparato para el mismo.
MX2015007103A MX344091B (es) 2011-06-30 2012-07-02 Metodo de codificacion de video con ajuste de profundidad de bits para conversion de punto fijo y aparato para el mismo, y metodo de decodificacion de video y aparato para el mismo.
MX2014000055A MX2014000055A (es) 2011-06-30 2012-07-02 Método de codificación de video con ajuste de profundidad de bits para conversión de punto fijo y aparato para el mismo, y método de decodificación de video y aparato para el mismo.

Country Status (14)

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US (5) US9407917B2 (es)
EP (3) EP2902918A1 (es)
JP (3) JP2014523699A (es)
KR (7) KR101470923B1 (es)
CN (4) CN103765893A (es)
AU (3) AU2012276363B2 (es)
CA (2) CA2840939C (es)
MX (5) MX354287B (es)
MY (3) MY175432A (es)
PH (4) PH12017501638B1 (es)
RU (3) RU2620718C2 (es)
TW (5) TWI519142B (es)
WO (1) WO2013002619A2 (es)
ZA (1) ZA201400703B (es)

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