Abstract
A motion vision system is developed in which a moving object can be detected and image displacement can be estimated based on human visual characteristics and use of a multiresolution image. The system consists of four parts: (1) Temporal gradient, logic AND, and dynamic thresholding operations are used to obtain the primary mask. (2) A region growing algorithm is applied. (3) A hierarchical object detection algorithm is used to identify image patterns. (4) Displacement of the image is estimated by breaking each frame of the motion sequence into local regions (edges). A search is undertaken to discover how the image pattern within a given region appears displaced. This search takes the form of motion channels, the output of which are used to obtain the estimation of displacement. A correlative measure is proposed to match the patterns.
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Song, S., Liao, M. & Qin, J. Multiresolution image motion detection and displacement estimation. Machine Vis. Apps. 3, 17–20 (1990). https://doi.org/10.1007/BF01211449
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DOI: https://doi.org/10.1007/BF01211449