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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 595-598 |
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alikhani F, mohajerani E, hosseinzadegan A. Evaluating the depth and position of the absorber based on the diffused reflected light. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :595-598
URL: http://opsi.ir/article-1-2581-en.html
URL: http://opsi.ir/article-1-2581-en.html
Abstract: (609 Views)
In many skin lesions, including melanoma, having information about the depth and location of the lesion can be effective in treating it. Among diagnostic methods, light-based methods are more popular. If light enters a diffusing medium such as body tissue, while an absorbing lesion is in the path of light scattering in the tissue, based on its size, depth and color, we will see a decrease in reflected light due to absorption. This reduces the intensity, depends on the distance between the transmitter and the receiver of light. In this study, using a tissue-like phantom and an absorber as a lesion, laser and LED light was used along with the detector to evaluate the position of the absorber.The intensity calibration curves in terms of depth are obtained exponentially from the curve fitting method, and according to the obtained graph equation, For the range 0 to 20 mm, the absorber depth can be easily estimated.
Type of Study: Experimental |
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