Software Design For Infrared Imaging System Based On Qt

All objects whose temperature are above absolute zero emit infrared rays due to its molecular thermal motion and the intensity of infrared radiation is related to the temperature of the object.People can see things around them clearly even at night without any light or on battlefield with many clouds and can also get the temperature of the object without touching with the help of infrared rays.Infrared imaging system is using infrared focal plane detector to receive infrared rays in order to generate infrared thermal image of the object,so it has extensive application in social life,thus developing an infrared imaging system software which is convenient to transplant is valuable.This paper analyzes the infrared image processing algorithms which are common used.Because infrared image has low contrast and heterogeneity of Infrared focal plane,algorithms such as nonuniformity correction,linear stretch,histogram equalization and pseudo-color processing are taken in the actual software.A new algorithm made up of calibration algorithm and scenes nonuniformity correction algorithm is used in the engineering application,and we can obtain better effects of infrared imaging through the above algorithm.This project is using infrared devices that laboratory provides,the corresponding driver circuit and a/d conversion circuit,USB module as a platform,and developes a Infrared imaging system software with Qt from the perspective of software engineering under the windows environment.This software provides friendly man-machine interface,displays the infrared heat maps,and provides functions such as taking photos,recording video,choosing colors,viewing the histogram,and so on.This paper also introduces the software test,including frame rate test,nonuniformity correction function test,and other functions test including taking pictures test,the test shows that the software has good stability and perfect function.This project software is simple and easy to understand,and it has convenient operation and good imaging effect.