Development of the computer model of three dimensional surfaces reconstruction system

• Main Authors: Yuliia Lymarenko, Dmitry Tatievskyi
• Format: Article
• Language: English
• Published: PC Technology Center 2017-09-01
• Series: Tehnologìčnij Audit ta Rezervi Virobnictva
• Subjects: binary codification; three-dimensional surface reconstruction; computer vision; computer modeling; structured illumination
• Online Access: http://journals.uran.ua/tarp/article/view/111233
• ISSN: 2226-3780; 2312-8372

The object of research is a system for scanning three-dimensional surfaces using the method of structured illumination. The method of structured illumination is considered one of the most reliable methods for relief reconstruction of objects. Therefore, using this method, it is necessary to build a computer model simulating the operation of both the software and the hardware (projector and camera) of the 3D surface reconstruction system. During the research, modern 3D scanners are used. In many of them, a combined system for obtaining the coordinates of a 3D object using the triangulation method is applied. In addition to the laser emitters or DLP projector, a digital camera is used that provided coordinate and texture information about the object. To test the adequacy of the computer model based on the above principles, the scenario for reconstruction of the ball surface is used. A full-fledged simulation model for structured illumination (binary codification method) within the virtual system «projector-camera» is realized. In the system, there is a functional of the rotary table for fixing the relief over the entire outer area of the object (from all angles). According to the research results of the resulting cloud of points, it can be concluded that the maximum error in the distance of the obtained point of the ball surface from its virtual center is 10 % of the length of the radius, and an average error of 4.5 %. The developed computer model of the reconstruction system of three-dimensional surfaces allows to emulate the whole cycle of operation of a physical 3D scanner, with the possibility of implementing any type of structured illumination, without constructing a real physical model.