Temporal high-pass filter nonuniformity correction algorithm based on guided filter for IRFPA

Kuanhong Cheng; Huixin Zhou; Shenghui Rong; Hanlin Qin; Rui Lai; Dong Zhao; Qingjie Zeng

doi:10.1117/12.2202781

8 October 2015 Temporal high-pass filter nonuniformity correction algorithm based on guided filter for IRFPA

Kuanhong Cheng, Huixin Zhou, Shenghui Rong, Hanlin Qin, Rui Lai, Dong Zhao, Qingjie Zeng

Proceedings Volume 9675, AOPC 2015: Image Processing and Analysis; 96752S (2015) https://doi.org/10.1117/12.2202781
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

In this paper, a new temporal high-pass filter nonuniformity correction algorithm based on guided filter is proposed, which address the ghosting artifacts and preserve image details of original image. In this algorithm, the original input image is separated into two parts, which are the high spatial-frequency part that contains most of the nonuniformity and the low spatial-frequency part with well preserved details. Then the fixed pattern noise is estimated from the high spatial-frequency part and subtracted from the original image, which achieves the nonuniformity correction. The performance of this presented algorithm is tested with two infrared image sequences, and the experimental results show that the proposed algorithm can significantly reduce the ghosting artifacts and achieve a better nonuniformity correction performance.

Citation Download Citation

Kuanhong Cheng, Huixin Zhou, Shenghui Rong, Hanlin Qin, Rui Lai, Dong Zhao, and Qingjie Zeng "Temporal high-pass filter nonuniformity correction algorithm based on guided filter for IRFPA", Proc. SPIE 9675, AOPC 2015: Image Processing and Analysis, 96752S (8 October 2015); https://doi.org/10.1117/12.2202781

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