The paper presents the research results to increase the probability of mass fractions measuring control of liquefied petroleum gas components, which has various temperatures by defining the density of the liquid phase. The thermooptical method for measuring control of mass fractions of liquefied petroleum gas components is presented in the paper. The measuring conversion function of the refractive index of liquefied petroleum gas was improved based on the proposed method. Based on research conducted it was developed the device of optoelectronic mass fraction measuring of liquefied petroleum gas components. The estimation of static metrological characteristics of control device measuring channel for the liquefied petroleum gas components mass fractions. The control device basic errors are defined as well.
The paper presents a new sharpening method that can be applied for the low-contrast medical images as well as general
edge detection. The method provides more reliable diagnosis of the vascular system based on image processing. The new
contouring method was compared with Sobel, low-frequency filtration and Canny edge detection methods on the
example images with micro-capillaries.
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