Because optical and radar sensors have their own characteristics and are limited by various external conditions, the target structure and shape information that any one kind of sensors cannot be obtained completely. In this paper, the optical and ISAR imaging methods of space target are analyzed, and the analysis of space target fusion reconstruction is carried out by using optical image and ISAR image of simulation and analog measurement, The research shows that the optical and ISAR imaging have complementary characteristics, and the imaging surfaces of ISAR images are perpendicular to those of optical imaging, The comprehensive recognition results reflect the advantages of optical contour extraction and radar structure judgment.
A novel measuring system, named Theodolite-camera Videometrics System (TVS) based on total station, has been
introduced in this paper, and the concept of theodolite-camera which is the key component of TVS has been proposed, it
consists of non-metric camera and rotation platform generally, and can rotate horizontally and vertically. TVS based on
total station is free of field control points, and the fields of view of its theodolite-cameras are nonfixed, thus TVS is
qualified for targets with wide moving range or big structure. Theodolite-camera model has been analyzed and presented
in detail in this paper. The calibration strategy adopted has been demonstrated to be accurate and feasible by both
simulated and real data, and TVS has also been proved to be a valid, reliable, precise measuring system, and living up to
expectations.
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