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Issue No.11 - November (1992 vol.14)
pp: 1100-1105
ABSTRACT
<p>Model-based pose estimation techniques that match image and model triangles require large numbers of matching operations in real-world applications. The authors show that by using approximations to perspective, 2D lookup tables can be built for each of the triangles of the models. An approximation called 'weak perspective' has been applied previously to this problem; the authors consider two other perspective approximations: paraperspective and orthoperspective. These approximations produce lower errors for off-center image features than weak perspective.</p>
INDEX TERMS
image recognition; model based pose estimation; perspective-three-point problem; model triangles; 2D lookup tables; perspective approximations; function approximation; image recognition; table lookup
CITATION
D. DeMenthon, L.S. Davis, "Exact and Approximate Solutions of the Perspective-Three-Point Problem", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.14, no. 11, pp. 1100-1105, November 1992, doi:10.1109/34.166625
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