DIAGNOSTIC OF MELANOMAS VIA IMAGE PROCESSING O. Hochmuth, Beate Meffert Department of Electrical Engineering, Humboldt University Berlin ABSTRACT: Non-contact measuring of skin temperature is used in dermatology äs diagnostic method for malignant melanomas and other skin deseases [1,2,3]. The method helps to examine pathological processes under the skin and is useful for a decision on minimal-surgical or non-surgical therapy. In a first step of investigation it is necessary to get knowledge about the required resolution in temperature and space. METHOD: After a visual inspection of the skin regions of interest the temperature map were measured by a 2D infrared thermography equipment INFRAMETRICS 760. The infrared images were further processed by a Computer (see Fig. 1). Thermography Systems with radiation sensors fulfil in addition to the requirement of non-contact measurement the conditions of the spectral sensitivity in the ränge Fig. 1: Thermography image of a right thigh with a pathological process in the centre Biomedizinische Technik Band 38 · Ergänzungsband · 1993 -251 - of 8 to 12 and of the resolution of 0,1 °C. The measurement gives about 200 samples per line, dependent of the size of the region. The procedure for determination of the required local resolution
Biomedizinische Technik / Biomedical Engineering – de Gruyter
Published: Jan 1, 1993
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