Abstract
This work achieves an efficient acquisition of scenes and their depths along long streets. A camera is mounted on a vehicle moving along a path and a sampling line properly set in the camera frame scans the 1D scene continuously to form a 2D route panorama. This paper extends a method to estimate depth from the camera path by analyzing the stationary blur in the route panorama. The temporal stationary blur is a perspective effect in parallel projection yielded from the sampling slit with a physical width. The degree of blur is related to the scene depth from the camera path. This paper analyzes the behavior of the stationary blur with respect to camera parameters and uses adaptive filtering to improve the depth estimation. It avoids feature matching or tracking for complex street scenes and facilitates real time sensing. The method also stores much less data than a structure from motion approach does so that it can extend the sensing area significantly.
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Zheng, J.Y., Shi, M. (2007). Depth from Stationary Blur with Adaptive Filtering. In: Yagi, Y., Kang, S.B., Kweon, I.S., Zha, H. (eds) Computer Vision – ACCV 2007. ACCV 2007. Lecture Notes in Computer Science, vol 4844. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-76390-1_5
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DOI: https://doi.org/10.1007/978-3-540-76390-1_5
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