Abstract
In some hazardous environments, such as in the space environment where there is diffuse reflection, it is difficult for us to establish artificial landmarks. So in this paper, a new camera calibration approach using natural landmarks is presented. The proposed schema consists of two parts. In the first part, three couples of parallel straight lines are used to determine the rotation parameters and the internal parameters of the camera. In the second part, the coordinates of a distinct feature point mapped from 3-D to 2-D, together with the length of a line segment, are used to determine the translation parameters of the camera. The feasibility of the approach is demonstrated by two experiments performed on a conceived and a real image. The results show that the new approach can reach the same precision as Tsai and DLT.
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