Abstract: In unmanned vehicles, it is important to know the accurate position and attitude of a CCD camera so as to analysis the target region using the 3D modeling data. In general, a tracker like GPS and gyroscope is attached to the CCD camera in order to track the position and attitude of it. However, it is hard to know the accurate position and attitude of the CCD camera, because of the various error factors. Especially, mechanical misalignments can cause changes in the position and attitude of the projected virtual images that are difficult to compensate. !7
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