Experimental Verification Of Image Perturbation Theory As Applied To The Accuracy Of Area Measurement

photosensitive array, with inter-element spacing of & = 3cmrnis described. A mathematical formulation of perturbationrnapplied to length & area measurement and contour detection isrnreviewed and presented. A description of the proposedrnexperimental system is given. An area measurement error isrndefined and applied to the projected object images. It isrnfound that static images (no perturbation) producesrnconsiderable error. It is then found that the applJlcation ofrna one dimensional sinusoidal image perturbation greatlyrnreduces the area measurement error, while triangular imagernperturbation is optimum and theoretically results in zerornerror. Some practical applications of tbe system arernsuggested.

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