School of Mechanical and Electrical Engineering;
Xi’an Technological University;
Xi’an;
710021;
China;
School of Electronic and Information Engineering;
Xi’an Technological University;
Xi’an;
710021;
China;
Key Laboratory of Education Ministry for Modern Design&Rotor-Bearing System;
Xi’an Jiaotong University;
Xi’an;
710049;
China;
Multi-line array infrared detection; Size calculating; Custom threshold de-noising; Fuzzy comprehensive discrimination algorithm;