2/2/2023 0 Comments Photometric stereo softwareThe preliminary results on a large number of textiles are very promising for the successful integration of the miniature module to the robot system. For the evaluation of this prototype, the classical photometric stereo methodology has been used. The direction of illumination is recovered by locating the reflection or the brightest point on a mirror sphere, while a flatfielding process compensates for the non-uniform illumination. The ambient light has been addressed by a cylindrical enclosure. The synchronization between image acquisition and lighting direction is controlled by an Arduino Nano board and software triggering. It is composed of a low-cost off-the-shelf camera, operating in macro mode, and eight light emitting diodes. The miniature device has been designed for mounting onto the robot gripper. This is a supportive module to a robot system, attempting to solve the well known “laundry problem”. In this work a miniature photometric stereo system is presented, targeting the three-dimensional structural reconstruction of various fabric types. Gorpas, Dimitris Kampouris, Christos Malassiotis, Sotiris Miniature photometric stereo system for textile surface structure reconstruction Miniature photometric stereo system for textile surface structure reconstruction
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