基于直方图均衡的低照度图像增强, 首先将图像由RGB空间转换到HSI空间，然后对HSI空间亮度分量（I分量）的灰度直方图进行均衡化处理，提高图像的亮度，然后转换回RGB空间显示-Illumination image enhancement based on histogram equalization, First, convert the image from RGB space to HSI space, and then the luminance component of th