[1] LIU Shang-ping, CHEN Ji. Enhancement method for retinal images based on Gabor filter and morphology[J]. Journal of Optelectronics·Laser, 2010, 21(2): 328-322.
[3] WU Yi-quan, SHI Jun-peng. Image enhancement in non-subsampled contourlet transform domain based on multi-scale retinex[J]. Acta Optica Sinica, 2015, 35(3): 0310002.
[5] DOU Zhi, HAN Yu-bing, SHENG Wei-xing, et al. Adaptive image enhancement via local processing in double channel[J]. Journal of Computer-Aided Design & Computer Graphics, 2015, 27(10): 1823-1831.
[6] KAREN P, ZHOU Yi-cong. Parameterized logarithmic framework for image enhancement[J]. IEEE Transactions on Systems, 2011, 41(2): 460-473.
[7] SHAHAN C, KAREN A, SOS S. Non-linear direct multi-scale image enhancement based on the luminance and contrast masking characteristics of the human visual system[J]. IEEE Transactions on Image Processing, 2013, 22(9): 3549-3561.
[8] HASAN D, GHOLAMREZA A. Image resolution enhancement by using discrete and stationary wavelet decomposition[J]. IEEE Transactions on Image Processing, 2011, 20(5): 1458-1460.
[9] GHIMIRE D, LEE J. Nonlinear transfer function-based local approach for color image enhancement[J]. IEEE Transactions on Consumer Electronic, 2011, 57(2): 858-865.
[10] HUANG Li-dong, ZHAO Wei, WANG Jun, et al. Combination of contrast limited adaptive histogram equalisation and discrete wavelet transform for image enhancement[J]. IET Image Processing, 2014, 9(10): 908-915.
[11] NIKOLOVA M, STEIDL G. Fast hue and range preserving histogram specification: theory and new algorithms for color image enhancement[J]. IEEE Transactions on Image Processing, 2014, 23(9): 4187-4100.
[12] XU Bei-lei, ZHUANG Yi-qi, TANG Hua-lian, et al. Object-based multilevel contrast stretching method for image enhancement[J]. IEEE Transactions on Consumer Electronic, 2010, 56(3): 1746-1754.