针对彩色直方图均衡化算法颜色易失真的缺点，提出了一种基于暗原色先验的快速图像增强算法。

According to the disadvantage of color distortion of color histogram equalization algorithm, a new image enhancement algorithm based on dark channel prior is presented.

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该技术在空域将一幅待保密的彩色图像隐藏到另外一幅任意选取的足够大、可以公开的彩色图像之中，由所生成的图像可以无失真地恢复出原保密图像。

This technique is to hide a image into a lager enough 24 bits BMP image that can be public and selected with random, and the hiding image can be resumed without losing from the generated image.

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