Wei Wei, Xiang Wei, Zhao Yaohong. An narcissus effect correction method based on spatial and time domain estimation[J]. Infrared and Laser Engineering, 2018, 47(6): 626003-0626003(8). doi: 10.3788/IRLA201847.0626003
| Citation:
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Wei Wei, Xiang Wei, Zhao Yaohong. An narcissus effect correction method based on spatial and time domain estimation[J]. Infrared and Laser Engineering, 2018, 47(6): 626003-0626003(8). doi: 10.3788/IRLA201847.0626003
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An narcissus effect correction method based on spatial and time domain estimation
- 1.
Shenyang Institute of Automation,Chinese Academy of Sciences,Shenyang 110016,China;
- 2.
University of Chinese Academy of Sciences,Beijing 100049,China;
- 3.
Key Laboratory of Opto-Electronic Information Processing,Chinese Academy of Sciences,Shenyang 110016,China;
- 4.
The Key Lab of Image Understanding and Computer Vision,Liaoning Province,Shenyang 110016,China
- Received Date: 2018-01-05
- Rev Recd Date:
2018-02-03
- Publish Date:
2018-06-25
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Abstract
Narcissus effect was an important factor that influence the imaging quality of the cooled infrared detector. Although it can be removed by non-uniform correction techniques, narcissus effect will reappear once the operating conditions have changed. Through analyzing the manifestation of narcissus effect, a correction algorithm based on adaptive spatial-temporal filtering was proposed. First, spatial domain estimation of Narcissus effect was captured by wavelet transform. Then, time domain estimation of Narcissus effect was gained by adaptive time domain low-pass filtering. Finally, the correction was applied by subtracting the estimated spatial-temporal noise from the original image. Experimental results on simulated and actual infrared image sequences have verified the effectiveness of the proposed algorithm.
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