MXPA03011334A - Metodo de calculo de un vector de movimiento. - Google Patents
Metodo de calculo de un vector de movimiento.Info
- Publication number
- MXPA03011334A MXPA03011334A MXPA03011334A MXPA03011334A MXPA03011334A MX PA03011334 A MXPA03011334 A MX PA03011334A MX PA03011334 A MXPA03011334 A MX PA03011334A MX PA03011334 A MXPA03011334 A MX PA03011334A MX PA03011334 A MXPA03011334 A MX PA03011334A
- Authority
- MX
- Mexico
- Prior art keywords
- coded
- motion vector
- mbp
- frame
- referencing
- Prior art date
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- 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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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- H04N19/103—Selection of coding mode or of prediction mode
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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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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Cuando un par de macrobloques actuales (de aqui en adelante MBP) a ser codificados se descodifica en una estructura de cuadro que se refiere al cuadro que precede en orden de despliegue, en una unidad de seleccion de modo (1109), en cuanto al MBP vecino codificado en la estructura de campo, cuando ambos de los 2 macrobloques (de aqui en adelante MB) se refieren a un cuadro con el primer indice de referencia mas pequeno, el vector de movimiento de un macrobloque a ser codificado se calcula al relacionar un MBP a un valor promedio de un vector en movimiento de un MB como un campo superior de un MBP y un vector en movimiento de un MB como campo inferior. Cuando hay un MB que se refiere a un cuadro que contiene el primer indice de referencia que no es el mas pequeno, se calcula un vector de movimiento de un MB actual a codificarse, al substituir "0" en el MB.
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002118598 | 2002-04-19 | ||
JP2002121053 | 2002-04-23 | ||
US37864302P | 2002-05-09 | 2002-05-09 | |
US37895402P | 2002-05-10 | 2002-05-10 | |
JP2002156266 | 2002-05-29 | ||
JP2002177889 | 2002-06-19 | ||
JP2002193027 | 2002-07-02 | ||
JP2002204713 | 2002-07-12 | ||
JP2002262151 | 2002-09-06 | ||
JP2002290542 | 2002-10-02 | ||
JP2002323096 | 2002-11-06 | ||
PCT/JP2003/004809 WO2003090475A1 (fr) | 2002-04-19 | 2003-04-16 | Procede pour calculer un vecteur de mouvement |
Publications (1)
Publication Number | Publication Date |
---|---|
MXPA03011334A true MXPA03011334A (es) | 2004-04-20 |
Family
ID=29255790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MXPA03011334A MXPA03011334A (es) | 2002-04-19 | 2003-04-16 | Metodo de calculo de un vector de movimiento. |
Country Status (12)
Country | Link |
---|---|
US (24) | US7940845B2 (es) |
EP (3) | EP1441537A4 (es) |
KR (4) | KR100931750B1 (es) |
CN (2) | CN1277419C (es) |
AU (2) | AU2003231356B2 (es) |
CA (2) | CA2451571A1 (es) |
ES (5) | ES2742799T3 (es) |
HU (8) | HUE053955T2 (es) |
MX (1) | MXPA03011334A (es) |
MY (1) | MY155930A (es) |
PT (3) | PT3525467T (es) |
WO (2) | WO2003090475A1 (es) |
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