IMAGE BASED MODELING ON A CONSTRAINED AXIS Abstract: Given a set of multiple calibrated photographs, silhouettes can be extracted to form a coarse approximation of 3D geometry. This image based model can further be refined by using feature based photoconsistency constraints and iterative bundle adjustment to correlate and refine the details found in the data set. Image based modeling has practical applications in visual effects, medical imaging, and prototyping.

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