基于haar小波的图像增强，与传统的图像增强算子相比较，效果更好。-Haar wavelet-based image enhancement, with the traditional image enhancement operator compared better.

基于拉haar小波的图像增强，与传统直方图均衡化相比较，效果更好。-Pull-based haar wavelet image enhancement, with the traditional histogram equalization compared to better.

基于sym2小波的图像增强，与传统图像增强算子相比，sym2在对比度较低的情况下增强效果更好。-Sym2 wavelet-based image enhancement, and compared with the traditional image enhancement operator, sym2 in the case of low-contrast to enhance better.

二进小波变换的图像增强,matlab代码-Dyadic wavelet transform image enhancement, matlab code