Abstract
Varicose veins also known as venous insufficiency, are dilated veins due to an accumulation of blood that occurs in different parts of the body, the most common are in the legs, in addition to having a higher index in women for clothing style that they use. Varicose veins are classified by grades ranging from I to IV and can cause pain, itching, cramps and even ulcers if they are treated in time. Not all varicose veins can be visible superficially, many of them begin inside of the skin. According to the WHO (World Health Organization) 10% of the world population has varicose veins. That is why the detection of suspicions of varicose veins in the legs was raised in this research work, first a thermal image will be obtained using the FLIR ONE Pro thermal camera following a necessary protocol of distance and temperature range. The thermal image is processed in MATLAB to identify the segments of the histogram of the thermal image, to obtain the area of the highest temperature indicating the presence of varicose vein in the subject's leg. The segmentation of the areas with the highest temperature was obtained as a result to be overlaid on the real image, showing the real image with the varicose vein segment found in the thermal image processing.
Highlights
Varicose veins are inflamed veins that can be seen under the surface of the skin, majority appears in the legs because it is where it exerts more force to charge the weight of the torso, but are not the only places where varices can manifest
Each part of the segmentation of the thermal image is developed for the detection of suspicions of varicose veins, which consist of the acquisition of the image, image processing, segmentation of the areas with higher temperature and the segmented image overlaid on the real image [10]
In the research work [16], using thermal imaging to find varicose validating the use of thermography in the diagnosis of a venous thrombosis, indicating the area where is seen more red because there is a higher temperature variation in those points
Summary
Varicose veins are inflamed veins that can be seen under the surface of the skin, majority appears in the legs because it is where it exerts more force to charge the weight of the torso, but are not the only places where varices can manifest. They can cause mild pain, blood clots, skin sores and itching [1]. According to the WHO (World Health Organization) , varicose veins are superficial, cylindrical or vascular veins and can be caused by many factors such as: sedentary lifestyle, pregnancy, exposure to heat, overweight, wear tight clothes and shoes, etc. Varicose veins are classified by grades from I to IV [4], usually begin as an aesthetic problem showing a thin turquoise blue lines, giving the sensation of itching, heaviness and fatigue, when going up grade, varicose veins can be appreciated in the surface of the skin with small swellings [5] and if they are not treated in time or the damaging factors of varicose veins continue to be applied, they can produce ulcers, internal circulation failures and inflammations of large areas in the leg 2
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