space object detection in video satellite images using motion information
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ID: 220570
2017
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Abstract
Compared to ground-based observation, space-based observation is an effective approach to catalog and monitor increasing space objects. In this paper, space object detection in a video satellite image with star image background is studied. A new detection algorithm using motion information is proposed, which includes not only the known satellite attitude motion information but also the unknown object motion information. The effect of satellite attitude motion on an image is analyzed quantitatively, which can be decomposed into translation and rotation. Considering the continuity of object motion and brightness change, variable thresholding based on local image properties and detection of the previous frame is used to segment a single-frame image. Then, the algorithm uses the correlation of object motion in multiframe and satellite attitude motion information to detect the object. Experimental results with a video image from the Tiantuo-2 satellite show that this algorithm provides a good way for space object detection.
| Reference Key |
zhang2017internationalspace
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|---|---|
| Authors | ;Xueyang Zhang;Junhua Xiang;Yulin Zhang |
| Journal | shanghai kou qiang yi xue = shanghai journal of stomatology |
| Year | 2017 |
| DOI |
10.1155/2017/1024529
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| URL | |
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