Title :
Simultaneous motion estimation and resolution enhancement of compressed low resolution video
Author :
Mateos, Javier ; Katsaggelos, Aggelos K. ; Molina, Rafael
Author_Institution :
Dept. de Ciencias de la Comput. e Inteligencia Artificial, Granada Univ., Spain
Abstract :
We propose an iterative algorithm for simultaneously estimating the motion field and high resolution frames from a compressed low resolution video sequence. The algorithm exploits the existing correlation between high and low resolution frames and information provided by the encoder, such as coding modes and motion vectors (when available), to obtain a higher resolution frame. The performance of the algorithm is demonstrated experimentally.
Keywords :
correlation methods; data compression; image enhancement; image resolution; image sequences; iterative methods; motion estimation; video coding; algorithm; algorithm performance; coding modes; compressed low resolution video; compressed low resolution video sequence; correlation; encoder; high resolution frames; iterative algorithm; low resolution frames; motion estimation; motion field estimation; motion vectors; video resolution enhancement; Biomedical imaging; Cameras; Image coding; Image resolution; Iterative algorithms; Motion estimation; Quantization; Remote sensing; Video compression; Video sequences;
Conference_Titel :
Image Processing, 2000. Proceedings. 2000 International Conference on
Conference_Location :
Vancouver, BC, Canada
Print_ISBN :
0-7803-6297-7
DOI :
10.1109/ICIP.2000.899793