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Calculation of the detecting probability of an infrared point target

XU Jun 1,ZHOU Xiang 2,LIANG Chang hong 3 (1. School of Technical Physics, Xidian Univ., Xi′an 710071, China; 2. School of Science, Xidian Univ., Xi′an 710071, China; 3. School of Elecronic Engineering, Xidian Univ., Xi′an 710071, China)[HJ4”:1  
In the IR imaging system, results of target detection are uncertain because of the affects of noise. Detection Probability is generally used as a criterion to judge an algorithm for detetion. This paper presents a method of calculating the detection probability under contrast threshold detection. The relationship of detection probability with SNR, contrast and threshold is also given.
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