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In material sciences crystals' features are deduced from Kikuchi bands (lines) that are present in electron microscopy images. In the paper a new algorithm for detection of the Kikuchi bands is proposed and its subsequent stages are described. A performance test of the algorithm is carried out.
In the paper the Tonal Index (TI) as a feature to wheezes detection in lung auscultation is presented. The lungs auscultation is a non invasive test in asthma diagnose. On the basis of such tests, the medical doctors can precise evaluate the stage of the disease. The TI is compared with the other features taken from literature: Kurtosis, Frequency Ratio, Spectral Peaks Entropy and Spectral Flatness...
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