Technical Report CS0016

TR#:CS0016
Class:CS
Title: CAMERA MODELS AND MACHINE PERCEPTION
Authors: Irwin Sobel
PDFCS0016.pdf
Abstract: We have developed a parametric model for a computer-controlled moveable camera on pan-tilt head. The.model expresses the transform relating object space to image space as a function of the control variables of the camera. We constructed a calibration system for measuring the model parameters which has a demonstrated accuracy more than adequate for our present needs. We have also shown how to generalize the.model to handle small systematic errors due to aspects of pan-tilt head geometry not presently accounted for.

Applications of the model are given to the tasks of (a) binocular stereo range-finding, and (b) locating objects of interest and centering them in an image .

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