A novel enhancement method for fog-degraded images based on DBLA

Ming Gao; Yaobin Zou; Bangjun Lei; Guangzhu Xu

doi:10.1117/12.2244884

29 August 2016 A novel enhancement method for fog-degraded images based on DBLA

Ming Gao, Yaobin Zou, Bangjun Lei, Guangzhu Xu

Proceedings Volume 10033, Eighth International Conference on Digital Image Processing (ICDIP 2016); 1003326 (2016) https://doi.org/10.1117/12.2244884
Event: Eighth International Conference on Digital Image Processing (ICDIP 2016), 2016, Chengu, China

Abstract

This letter presents a novel enhancement method for fog-degraded images based on dominant brightness level analysis in analyzing the characteristics of the images captured by daylight sensor on photoelectric radar surveillance system. We first perform discrete wavelet transform(DWT) on the input images and perform contrast limited adaptive histogram equalization(CLAHE) operation on LL sub-band, and then decompose the LL sub-band into low-,middle-,and high-intensity layers using Gaussian filter. After the intensity transformation and inverse DWT, the resulting enhanced image is obtained by using the guided filter.

Citation Download Citation

Ming Gao, Yaobin Zou, Bangjun Lei, and Guangzhu Xu "A novel enhancement method for fog-degraded images based on DBLA", Proc. SPIE 10033, Eighth International Conference on Digital Image Processing (ICDIP 2016), 1003326 (29 August 2016); https://doi.org/10.1117/12.2244884

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