Reconstruction of three-dimensional surface structure of hard-to-reach objects using prism-based stereoscopic systems

Abstract

Video endoscopes with stereoscopic prism-based optical systems are widely used for non-destructive testing and geometric measurements of hard-to-reach elements inside complex technical objects. The functionality of the existing devices of this type is limited to a great extent by the capabilities of the embedded software. In this paper, we present our software for the calibration of such systems and the processing of obtained stereoscopic images. It allows to reconstruct and process the whole array of three-dimensional coordinates of the observable object points, to compare it with the reference surfaces and to export the data to other mathematical software.