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Detecting point thermal objects on the earth's spreading surface

Keywords:

A.S. Nabatchikov – Post-graduate Student, Department of Electronics and Microprocessor Engineering, Smolensk branch of «National Research University «MPEI»
E-mail: nabatchicov@rambler.ru


A method for processing background-target images recovery to identify the goals of the computer vision systems. The purpose of the study is prove the performance of the algorithm based on a method that will allow to automate the process of target detection.
Computer vision systems are increasingly used in various fields of human activity. The most widespread they received in such tasks as navigation, Earth monitoring, control, security, various facilities, transmission and storage of video, the use in rescue and military purposes. Currently, the number of known ways of processing background-target images: noise smoothing; underline limits; algorithms for digital correction of irregularities; improvement of contrasts; high frequency correction; correction of defective pixels, etc., implemented the software in the video processor optical-electronic systems. But these methods generally don’t take into account the immediate impact of a radiation background of the spreading surface in the form of interference on the detection process and is aimed only at the improvement of the visual perception of the image the end user information.
The paper proposes a new approach of the image conversion, which consists in the so-called principle of background information. Background the principle of detection is that the desired object is detected by analyzing the properties of radiation of the earth spreading surface on which it is located. Background principle allows a completely new approach to the problem of discovery and to supplement the traditional threshold detection method in the cases when it doesn’t work effectively, namely, when there is low contrast radiation of point heat target relative to the earth's surface, and the size of its image does not exceed the element size of the image array.
The essence of the proposed detection method of point heat target on the earth's surface is that it is proposed to use differences of the spatial spectra of the thermal radiation of objects and the extended radiating background of the earth's surface. This method will allow you to automate the process of target detection.

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