He Ming, Zhang Tianyi, Wang Yadi, Lu Jianfang, Kou Guang. Non-uniformity correction algorithm based on wavelet transform histogram normalization[J]. Infrared and Laser Engineering, 2013, 42(12): 3481-3485.
| Citation:
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He Ming, Zhang Tianyi, Wang Yadi, Lu Jianfang, Kou Guang. Non-uniformity correction algorithm based on wavelet transform histogram normalization[J]. Infrared and Laser Engineering, 2013, 42(12): 3481-3485.
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Non-uniformity correction algorithm based on wavelet transform histogram normalization
- 1.
Institute of Information Science & Technology,Information Engineering University of the PLA,Zhengzhou 450052,China;
- 2.
Lab. for Infrared and Imaging Navigation Technologies,Air Defense Forces Academy,Zhengzhou 450052,China
- Received Date: 2013-04-07
- Rev Recd Date:
2013-05-08
- Publish Date:
2013-12-25
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Abstract
In order to realize infrared image adaptive correction, a method to adaptive correct the non-uniformity(NU) based on wavelet transform histogram normalization was introduced. The new algorithm used the orthogonal wavelet transform to analyze image, calculated the decomposition image histogram of the neighborhood elements of a single pixel, got median histogram by sorting pixels neighborhood histogram and completed decomposition image non-uniformity correction using the mean histogram normalization. Finally, a final result in all scales after the correction by using the inverse wavelet transform was obtained. According to the practical application, this algorithm has the advantage of fast convergence speed and high precision.
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