Automate the calculation of human body height using a matlab-based kinect camera for estimating body size: A pilot study

Body size is one of the important information in radiological examinations. In general, body size measurements are carried out in a conventional way which still relies on direct contact. Size measurements can be remotely performed using a Kinect camera. This study aims to develop a Matlab-based soft...

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Bibliographic Details
Main Authors: Naufal, A., Anam, C., Widodo, C. E., Dougherty, G.
Format: Conference Proceeding
Language:English
Subjects:
Body size
Body weight
Cameras
Human body
Infrared cameras
Infrared reflection
Mathematical analysis
Matlab
Software
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Summary:Body size is one of the important information in radiological examinations. In general, body size measurements are carried out in a conventional way which still relies on direct contact. Size measurements can be remotely performed using a Kinect camera. This study aims to develop a Matlab-based software that can be used to automatically measure the height to estimate the size of the human body without direct contact. The Kinect camera emitted infrared and received its reflection to obtain a depth image of an object. The camera was calibrated for various object-Kinect distances. The system was implemented to measure the heights of 147 participants. The depth image was automatically segmented and normalized into a binary image. The software calculated the height of the participants from the segmented image. The heights of the participants were also measured using a ruler. The Relationship between height and weight was established. It is found that the depth value and size of the image pixel are linearly correlated with the distance of the object. The difference of measured height with the Kinect from height measured using a ruler is about 1.0 %, indicating that the height measurement using the Kinect camera is quite accurate. It is also found that the height of the participants is well correlated with the size of the human with values of R2 of 0.453. The software for automatically measuring the height of the human has been successfully developed. The system is able to accurately measure the height. Due to the linear correlation between size and height, therefore the system is also able to estimate body weight.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0047721