method and device for improving the u0440u0430u0441u043fu043eu0437u043du0430u0432u0430u0435u043cu043eu0441u0442u0438 various structures on the images obtained in the

摘要

the application describes a way to improve the u0440u0430u0441u043fu043eu0437u043du0430u0432u0430u0435u043cu043eu0441u0442u0438 various structures (18) on the images (10) received in the receiving the using device (20) processing imagescomprising the following steps: (a) an image (10) received in the receiving rays and available in electronic form.remain in the memory in the form of the distribution of the spatial field intensity; b) performing a fourier transform to determine the distribution of intensity in the frequency domain;) distribution andu043du0442u0435u043du0441u0438u0432u043du043eu0441u0442u0438 filtered in frequency area by changing the ratio of high-frequency and low-frequency components of the weighting signal u0438u0437u043eu0431u0440u0430u0436u0435u043du0438 iwith a stronger signal u0432u0437u0432u0435u0448u0438u0432u0430u0435u043cu044bu0435 components determine the average size of the structures.identification of relief which should be improved; (d) for the filtered intensity distribution in the frequency area are opposite u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u043du0438 e fourierwhich receive the modified distribution of intensity in spatial field, in which these structures are better recognized.because the structure that the images in which the recognized with difficulty, for example, the structure of soft tissueusually have different size and different u043cu0438u043au0440u043eu0441u0442u0440u0443u043au0442u0443u0440u043du044bu0435 characteristics compared with u0440u0430u0441u043fu043eu0437u043du0430u0432u0430u0435u043cu044bu043cu0438 structures such as bones or implants.for u0442u0440u0443u0434u043du043eu0440u0430u0437u043bu0438u0447u0438u043cu044bu0445 structures to increase the image contrast by changing the ratio of high-frequency and u043du0438u0437u043au043eu0447u0430 weighting u0441u0442u043eu0442u043du044bu0445 components of image signalcompared with the u043du0438u0437u043au043eu0447u0430u0441u0442u043eu0442u043du044bu043cu0438 harmonics in the spectrum of fourier transform.