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A high-precision camera operation parameter measurement system and its application to image motion inferring

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4 Author(s)
Wentao Zheng ; NHK Sci. & Tech. Res. Labs., Tokyo, Japan ; Shishikui, Y. ; Konatsugu, Y. ; Tanaka, Y.

In this paper we describe a high-precision camera operation parameter measurement system and apply it to image motion inferring. First, we outline the implemented system which is designed to provide camera operation parameters with a high precision required for image coding applications. Second, we calibrate the camera lens to determine its exact optical properties. A new technique is employed to improve the accuracy of internal camera parameters obtained from a commonly used algorithm. Last, we apply the pan, tilt and zoom operation parameters measured by the system to infer image motion. The experimental results show that the inferred motion coincides with the actual motion very closely, with an error of less than 0.5 pixel even for large motion up to 80 pixels

Published in:

Image Processing, 1999. ICIP 99. Proceedings. 1999 International Conference on  (Volume:3 )

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