Abstract

The bright line noise of the infrared images in middle trajectory of the ballistic missile is similar with the track of the target. This will increase the difficulty in the detection and recognition of the target. So it is very important to eliminate the bright line in the infrared images. Firstly, the paper analyzes the characters of the bright line of the infrared images in the middle trajectory of the ballistic missile in the time domain and the frequency domain respectively. Secondly, the innovative method is put forward to detect the bright line automatically. Finally, the elimination and restoration method of the bright line is proposed in the time domain and the frequency domain. Numerical simulations are given to demonstrate the efficiency of the proposed control schemes and the experimental results show that the proposed method can eliminate the bright line effectively and improve the performance of the infrared images.

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