Proceedings PaperFusion of scanned imagery
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Issues relating to the fusion of dynamically distorted scanned imagery are discussed. In particular the problem of resampling imagery for simulation of orthographic projection is addressed. Using a suitable parameterization of the scanner trajectory enables a ray tracing supersampling technique to be used which is highly efficient compared to conventional rendering approaches. It is seen that the problem of sampling rays within distorted pixel can be solved by sampling platform motion during the scanline integration period. Difficulties are encountered when using conventional parameterizations of motion. These are avoided by using the screw representation.