Abstract
3D reconstruction is a technique used in computer vision which has a wide range of applications in areas like object recognition, city modelling, virtual reality, physical simulations, video games and special effects. Previously, to perform a 3D reconstruction, specialized hardwares were required. Such systems were often very expensive and was only available for industrial or research purpose. With the rise of the availability of high-quality low cost 3D sensors, it is now possible to design inexpensive complete 3D scanning systems. The objective of this work was to design an acquisition and processing system that can perform 3D scanning and reconstruction of objects seamlessly. In addition, the goal of this work also included making the 3D scanning process fully automated by building and integrating a turntable alongside the software. This means the user can perform a full 3D scan only by a press of a few buttons from our dedicated graphical user interface. Three main steps were followed to go from acquisition of point clouds to the finished reconstructed 3D model. First, our system acquires point cloud data of a person/object using inexpensive camera sensor. Second, align and convert the acquired point cloud data into a watertight mesh of good quality. Third, export the reconstructed model to a 3D printer to obtain a proper 3D print of the model.
Highlights
Three Dimensional printing technology has made a breakthrough in recent years as many applications are being developed based around it
To remove noise and unwanted data a real time pass through filter is applied in order to delimit the region of scanning, ignoring the background and focusing only on the object to be scanned
The source code for the fully developed software can be found in our GitHub repository, www.github.com/tazleef/Software-EngineeringProject
Summary
Three Dimensional printing technology has made a breakthrough in recent years as many applications are being developed based around it. The ability to design a digital concept and physically print the results of that concept is a promising technology that will only become more commonplace as it continues to be refined [1]. The combination of both technologies, 3D reconstruction and 3D printing, into a general 3D copy machine bears an enormous economical potential for the future [2]. In paper [3], authors proposed that for obtaining a full human body scan with good quality, three camera sensors must be used.
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