by Marta Pesce, Luigi Maria Galantucci, Gianluca Percoco and Fulvio Lavecchia
Abstract
In medical field, a growing interest is now focused on non-invasive diagnostic 3D image-based methods. The aim of this work is to develop a powerful, easy and low cost scan-system, based on close-range photogrammetry, capable to perform a complete acquisition of a non-static subject over 360°. The proposed scanning system has some advantages compared to the scanning systems traditionally used in medical field for human application, it is a non-invasive systems alternative respect to laser and structured light scanners, and demonstrate to be accurate and reliable for medical diagnostic application on human body.
1-minute pitch
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How do you know that this is “a low cost system”, was it compared to other similar systems? What is the expected cost saving?
In this study, the presented body scanning system has been set up with consumer cameras which cost about 80 euros each and was compared with the laser scanner konica minolta which costs about $ 25,000 – $ 55,000.
furthermore it is important to consider that a body scanning chamber would cost about $ 50,000 – $ 200,000.
Can you give some (practical) examples where this system would improve current methods for medical applications (like orthodontics or orthopedics)?
Yes of course. We used this scanning system in order to perform a post-operative evaluation of plastic surgery. In the presentation I will show you some results. Furthermore the body scanning system could be used in orthopedics to design custom medical devices such as corsets which pefectly fit the body.
In a different configuration, the system could be used in ortodontics to evaluate the results of an orthodontic treatment.
You assert that the camera calibration process is a very important factor, which affects the accuracy of a photogrammetric scanning system, especially when low cost consumer cameras are used. How long does it take to perform the camera calibration process?
Please explain in more details what are the real diagnostics applications of this new system. What can you achieve in medical terms from the digital model?