Direct least-squares fitting of algebraic surfaces
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
Active, optical range imaging sensors
Machine Vision and Applications
IEEE Transactions on Pattern Analysis and Machine Intelligence
Direct Least Square Fitting of Ellipses
IEEE Transactions on Pattern Analysis and Machine Intelligence
Reducing movement artifacts in whole body scanning
NRC '97 Proceedings of the International Conference on Recent Advances in 3-D Digital Imaging and Modeling
Locating landmarks on human body scan data
NRC '97 Proceedings of the International Conference on Recent Advances in 3-D Digital Imaging and Modeling
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We sketch the design of a simple lower body scanner with two scan heads, positioned in front of and behind the body. The scan heads are very simple, and we believe that the scanner could be built for less than $10K. We then describe a simple model for the lower body consisting of two stacks of ellipses, and an algorithm for fitting this model to the points and silhouettes produced by the scanner We outline a way of extracting body dimensions from this model and discuss in detail our method to determine a subject's crotch level, a rather difficult problem. Finally, we present simulation results on the expected accuracy of the hody dimensions, obtained hy means of a scanner simulator.