Underwater Image Enhancement Using Laplace Decomposition
Mehwish Iqbal, Muhammad Mohsin Riaz, Syed Sohaib Ali, Abdul Ghafoor, Attiq Ahmad · IEEE Geoscience and Remote Sensing Letters · 2020
This letter presents underwater image enhancement using Laplace decomposition. Underwater image undergoes Laplace decomposition resulting in low- and high-frequency bands. Haze is removed from the low-frequency band, and then it is normalized for white balancing. The high-frequency band is amplified for edge preservation. Adding the two frequency images results in an enhanced image. It has improved, in contrast, color, object prominence, edge preservation, reduced artifacts, and naturalness as compared to other methods related to underwater image enhancement.