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Proceedings Paper

Efficient small-target detection algorithm
Author(s): Guoyou Wang; Tianxu Zhang; Luogang Wei; Nong Sang
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Paper Abstract

According to the principle of human discrimination of a small object from a natural scene in which there is the signature of discontinuity between the object and its neighbor regions, we develop an efficient algorithm for small object detection based on template matching by using a dissimilarity measure that is called average gray absolute difference maximum map (AGADMM), infer the criterion of recognizing a small object from the properties of the AGADMM of a natural scene that is a spatially independent and stable Gaussian random field, explain how the AGADMM improves the detectable probability and keeps the false alarm probability very low, analyze the complexity of computing AGADMM, and justify the validity and efficiency. Experiments with visual images of a natural scene such as sky and sea surface have shown the great potentials of the proposed method for distinguishing a small man-made object from natural scenes.

Paper Details

Date Published: 5 July 1995
PDF: 9 pages
Proc. SPIE 2484, Signal Processing, Sensor Fusion, and Target Recognition IV, (5 July 1995); doi: 10.1117/12.213028
Show Author Affiliations
Guoyou Wang, Huazhong Univ. of Science & Technology (China)
Tianxu Zhang, Huazhong Univ. of Science & Technology (China)
Luogang Wei, Huazhong Univ. of Science & Technology (China)
Nong Sang, Huazhong Univ. of Science & Technology (China)

Published in SPIE Proceedings Vol. 2484:
Signal Processing, Sensor Fusion, and Target Recognition IV
Ivan Kadar; Vibeke Libby, Editor(s)

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