UDC 621.396
ALGORITHMS OF TWO-STAGE RECOVERY OF RADIO THERMAL IMAGES
V. K. Klochko, PhD, head of EMM department, RSREU; This email address is being protected from spambots. You need JavaScript enabled to view it.
S. M. Gudkov, postgraduate student, RSREU, RTS department; This email address is being protected from spambots. You need JavaScript enabled to view it.
In case of the decision of tasks of radio thermal imagesrecovery received by means ofscanning radiometer of wavelengthsmillimeter range there is a need to increase restoration speed. There are two ways speed increase: due to the increase ofscanning step in a place angle and more rational organization of computing process. We offerto realize these two directions simultaneously in case ofrestorationalgorithms creation. The aim of the work – to elaborate the algorithms of two-stage recovery of radio thermal images allowing to solve problems of restoration in the conditions of raised scanning step in a place angle with the smallest number of computing operations. The algorithms offered in operation are based on optimum and suboptimum methods ofimages recovery and presented in the form of two-stage procedures allowing to reduce the number of computing operations. Algorithms are expected to operate in the conditions of increasedscanning step in a place angle. Comparing of algorithms is carried out by method of computermodeling. The largest accuracy of restoration in the conditions ofmodelingwas shown by the algorithm based on the optimum matrix approach. The results of full-scale test of operation of the algorithm based on Wiener's filter are given.
Key words: scanning radiometer, radio thermal image,restoration algorithms, two-stage restoration, matrix methods, Wiener's filter,modeling.
DOI: 10.21667/1995-4565-2017-59-1-3-9