Title :
MINMAX optimal video summarization
Author :
Li, Zhu ; Schuster, Guido M. ; Katsaggelos, Aggelos K.
Author_Institution :
Multimedia Res. Lab., Motorola Labs., Schaumburg, IL, USA
Abstract :
The need for video summarization originates primarily from a viewing time constraint. A shorter version of the original video sequence is desirable in a number of applications. Clearly, a shorter version is also necessary in applications where storage, communication bandwidth and/or power are limited. In this paper, our work is based on a MINMAX optimization formulation with viewing time, frame skip and bit rate constraints. New metrics for missing frame and video summary distortions are introduced. Optimal algorithm based on dynamic programming is presented along with experimental results.
Keywords :
dynamic programming; minimax techniques; video signal processing; dynamic programming; minmax optimisation formulation; video sequence; video summarization; video summary distortions; Bandwidth; Bit rate; Constraint optimization; Data security; Electronic mail; Laboratories; Military communication; Minimax techniques; Time factors; Video sequences; Dynamic programming; rate-distortion optimization; video analysis; video summarization;
Journal_Title :
Circuits and Systems for Video Technology, IEEE Transactions on
DOI :
10.1109/TCSVT.2005.854230