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NOVEL USE OF THE INTEL REALSENSE SR300 CAMERA FOR FOOT 3D RECONSTRUCTION ABSTRACT. Foot three-dimensional (3D) reconstruction is increasingly used in real life at present; however, current 3D measuring devices are usually expensive and have a large volume. So they are limited used in a specific domain and feasible method for accurate, fast and low-cost foot 3D reconstruction are required. Since the Intel RealSense SR300 camera has advantages on 3D scanning, such as high efficiency, portable, low-cost and simple operation, this camera has been widely applied in multi-scenario, such as gaming. But its performance on foot scanning is still unknown. Thereby this study first aimed to design and develop a foot 3D scanning protocol based on the Intel RealSense SR300 camera and then to contrast this new method with a traditional one in terms of accuracy. Fifteen healthy adults without any foot deformity or foot disease participated and their feet were measured by our simulated measurements (SM) and manual measurements (MM). 13 variables were calculated and contrasted and their significant differences were assessed by Single-Sample T Test with significant level of 0.05 and confident interval of 95%. The results show that the SR300 presented a precise foot 3D reconstruction on the mean differences ranged from -1.3 mm to 5.2 mm; meanwhile eight of the thirteen foot parameters exhibited no significant differences between the two methods. Overall, these findings above demonstrate that the SR300 is a valid tool for foot 3D scanning and it can be widely applied in the both medical and commercial fields.

Novel Use of the Intel RealSense SR300 Camera for Foot 3D Reconstruction