Abstract
Stereoscopic video endoscopic systems are widely used for the control of hard-to-reach objects at the stages of production, assembly and testing of various devices. Using a stereoscopic endoscope as a measuring tool requires its geometrical calibration. The effectiveness of such systems is largely determined by the quality of an image, based on modulation transfer function (MTF) of the optical system. In this paper, we describe and test an algorithm for automatic calculating the MTF for images of a plane test object with chessboard pattern. Experimental data was obtained using two self-developed prism-based endoscopic stereoscopic systems. Coincidence of computer simulation results and results of applying the proposed algorithm shows its effectiveness for estimating the image quality provided by stereoscopic endoscopic systems.
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