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Avtometriya

2009 year, number 1

Algorithm of Detection of Moving Small-Scale Objects in a Sequence of Images

V. S. Kirichuk, V. P. Kosykh, T. Kurmanbek uulu
Keywords: detection of objects, small-scale objects, adaptive filtration, multichannel filtration, accumulation of images
Pages: 14-22

Abstract

An algorithm is proposed for detection, in a sequence of images, of small-scale objects moving with a known velocity vector, the initial positions of the objects being unknown. Random noise is suppressed by four-channel filtration based on estimating subpixel coordinates of the objects in the sequence of images. Results of numerical experiments are presented as a dependence of the detection probability on the false alarm level for different object sizes and input noise levels.