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High Accuracy Silhouette Based Reconstruction with Conventional Optics

Koteswara R. Gadde, Priya Singh, and K.S. Venkatesh
Indian Institute of Technology Kanpur, India
Abstract—Silhouette based techniques have been used for 3D object reconstruction due to the simplicity of object segmentation they require. They are however prone to certain kinds of errors. In this paper, we present two major novelties, First, we describe a simplified method of camera calibration using a mesh-grid pattern that greatly simplifies subsequent computation in reconstruction. Our second contribution is a novel analytical iterative algorithm to correct the systematic error caused by perspective effects arising out of the finite focal length of the optical system. The algorithm allows us to achieve high dimensional accuracy without the use of expensive telecentric optics. 

Index Terms—silhouette, reconstruction, high accuracy, conventional optics.

Cite: Koteswara R. Gadde, Priya Singh, and K.S. Venkatesh, "High Accuracy Silhouette Based Reconstruction with Conventional Optics," Journal of Image and Graphics, Vol. 1, No. 3, pp. 109-113, September 2013. doi: 10.12720/joig.1.3.109-113
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