Pii: S1464-1909(00)00095-2
نویسنده
چکیده
The surface velocity of natural debris flows is one of the main physical parameters for developing effective disaster prevention techniques. The authors already presented the result of velocity vector field measurement of debris flow by the spatio temporal derivative space method. In this paper, we propose a multi resolution spatio temporal derivative space method, and apply the method to some real debris flow video images.
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