Kaoru Kiyomitsu, Akihiro Kakinuma, Hiroshi Takahashi, Naohiro Kamijo, Keiko Ogawa, Norimichi Tsumura
Bulletin of the Society of Photography and Imaging of Japan 2017(accepted)
Abstract
In this paper, we propose to evaluate the edema of a leg by volume measurement
using Microsoft Kinect. The volume is calculated from a measured point
cloud by our improved voxelization technique. Additionally, the depth camera
of Microsoft Kinect is feasible for use in home care systems due to its
very low cost compared with other depth cameras. In an experiment, we measured
the leg volumes of three healthy subjects in the morning and evening for
three days. For each subject, the mean volume values were obtained from
five measured values. The increase of volume was confirmed in all experiments
from morning to evening. These experimental results meet the physiological
expectation. Because the changes in leg volumes are greater for a patient
with serious edema than for a healthy person, we conclude that the proposed
system can appropriately evaluate leg edema.
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