93 대전엑스포 꿈돌이 조각가로보트의 인물형상 측정시스템

Abstract

This paper presents the 3-D profile measurement system of live human faces, which was developed specially for KUMDORI sculptor robot of the 93 Taejon Exposition. 93 Taejon EXPO. The basic principle for measurement adopts the slit beam projection which is a method of measuring 3-D surface profiles using geometric optics between the slit beam and the CCD camera. Since the slit beam projection consumes long measuring time, it is unfit to measure the 3-D profiles of living objects as human. Therefore, the projection type slit beam method which consumes short measuring time is newly suggested. And an algorithm to reconstruct the 3-D profile from the deformed images using finite approximated calibration is suggested and practically implemented. The projection type slit beam method was applied to spectators in a period of 93 Taejon EXPO. The measurement results show that the technique is suitable for 3-D face profile measurement on a living body.