Abstract
The robust detection and tracking of small infrared targets is one of the key techniques in space activities. In this paper, the infrared patch-image model for small target detection is used to recognize re-entry capsule, as an advance study of the computer-assisted control of the present manual photoelectric theodolite. Firstly, the small infrared target characteristics of the re-entry capsule are introduced. Next, in order to evaluate the effectiveness of the infrared patch-image model different patch size and sliding steps are checked with a sequence of synthesized images. The results show that infrared patch-image model with appropriate patch size and sliding step is a completely valid approach for re-entry capsule identification and tracking. Two identification videos are completed by identifying small targets in two sets of single frame images. Finally, prospects of using the infrared patch-image model for other space activities are put forward.
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