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Figure 10 | BioMedical Engineering OnLine

Figure 10

From: Image analysis and processing methods in verifying the correctness of performing low-invasive esthetic medical procedures

Figure 10

The result of applying the algorithm. It automatically recognizes areas subjected to forcing and marks them in red. This makes possible to calculate errors due to the presence of irradiation-overlapping, as well as irradiation-free areas. The evaluation of these areas is critical from a clinical point of view; stacking or overlapping of pulses, and/or excessive number of laser passes all may result in excessive tissue damage. Repeated CO2 laser passes will dehydrate and coagulate dermis, which subsequently limits the penetration of laser energy. Because a large part of the heat in subsequent passes or overlapping pulses is not actually used to ablate the skin, the thermal loading of tissue increases.

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