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Proceedings Paper

Real-Time Signal Processing By Markovian Random Walk Approach
Author(s): Yung-Lung Ma; Tsing-Yee Tu; Chialo Ma
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Paper Abstract

A moving object recognition approach is presented in this paper. The motion of an object includes the linear or nonlinear translation and rotation. For a 3-D object, the images taken by a camera are in planar form. They are varied by different distances between camera and the object, variant angles and timing for taking. pictures. However, the change rate among these images taken at different instant are logically related. The brightness level between any two neighbour string cells of machine digital scanning raster varies according to the Markovian random walk process. Thus, the direction and position of a moving object can be found by the variations of the cell random walk. The angles between a machine digital scanning raster and the edges of an object in a planar image are called pseudo-refractional angles. The variations of angles can be used as features for object recognition. Together with the Kolmogorov complexity program, the probability function of the process can be changed into a finite length of string arrays to simplify the recognition procedure. The distance between camera and the object can be measured by a radar or supersonic signal for military or industrial applications.

Paper Details

Date Published: 16 December 1989
PDF: 14 pages
Proc. SPIE 0977, Real-Time Signal Processing XI, (16 December 1989); doi: 10.1117/12.948574
Show Author Affiliations
Yung-Lung Ma, National Taiwan University (Taiwan)
Tsing-Yee Tu, National Taiwan University (Taiwan)
Chialo Ma, National Taiwan University (Taiwan)


Published in SPIE Proceedings Vol. 0977:
Real-Time Signal Processing XI
J. P. Letellier, Editor(s)

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