研究目的
To analyze the infrared thermal images of diabetic and healthy subjects to identify the temperature distribution patterns capable of detecting diabetic foot complications.
研究成果
The surface temperature distribution pattern is symmetrical in both feet of healthy subjects, with higher correlation between corresponding regions compared to diabetic subjects. The study establishes that thermal imaging can reliably detect abnormalities or infections in diabetic subjects, supporting the development of a computer-aided diagnosis system.
研究不足
The study was limited by the sample size and the need for initial segmentation stage when automatic segmentation is not accurate. Registration is approximate when the big toe is amputated, affecting the segmentation of regions.
1：Experimental Design and Method Selection:
The study involved analyzing infrared thermal images of the plantar foot region of diabetic and healthy subjects to identify temperature distribution patterns indicative of diabetic foot complications.
2：Sample Selection and Data Sources:
62 diabetic patients and 20 non-diabetic subjects were included in the study.
3：List of Experimental Equipment and Materials:
Fluke TiX560 thermal imager was used for image acquisition.
4：Experimental Procedures and Operational Workflow:
Thermal images were acquired under controlled conditions, segmented, and analyzed using MATLAB.
5：Data Analysis Methods:
Statistical features such as mean temperature difference and Pearson’s correlation between corresponding regions of the left and right foot were calculated.
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