Abstract
This paper describes a comparative study of reconstruction algorithms from sequences of images, comparing algorithms which make the weak perspective assumption (also called scaled orthography or para perspective) to algorithms assuming perspective projection. The weak perspective assumption is usually employed to simplify the computation. Using three sequences of real images, taken under conditions corresponding to small, medium, and large fields of view, we compare two algorithms that compute invariant shape from motion; one assumes scaled orthography and one assumes perspective projection.
The paper describes also a joint algorithm, which combines the simplicity of weak perspective algorithm with the accuracy of the perspective one.
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© 1994 Springer-Verlag Berlin Heidelberg
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Boufama, B., Weinshall, D., Werman, M. (1994). Shape from motion algorithms: A comparative analysis of scaled orthography and perspective. In: Eklundh, JO. (eds) Computer Vision — ECCV '94. ECCV 1994. Lecture Notes in Computer Science, vol 800. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57956-7_23
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DOI: https://doi.org/10.1007/3-540-57956-7_23
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