3D Reconstruction of complicated objects by Gray Code Method

JAIME MENESES; DAFNE AMAYA; ZULMA VALDERRAMA

Porlamar

Congreso; 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Laser, and Their Applications; 2004

In this work the Gray code method for numerical 3D reconstruction of complicated objects was implemented. Based on  structured projection, the Gray code method projects n different binary patterns. Grouping this sequence, this sequence of patterns allow to describe 2 different directions of projection, where each direction corresponds to a word in binary code. Thus, each point in the observation field corresponds to a unique binary code that can be identified in the digitized image. The surface object introduces a lateral shift of each binary word in relation to the reference plane. A digital procedure that identifies each code, allows calculating the lateral shift and the corresponding height. The technique of gray code is easy to implement, it is flexible to the size ofthe object and it can resolve discontinuity objects. The system was designed to reconstruct human faces and was evaluated using objects of well-known form. Experimental results are presented and discussed.