Embedded Image Enhancement System Based on Dark Channel Prior
尹传历 Yin Chuan-li, 孙丽娜 Sun Li-na, 韩松伟 HAN Song-wei, 刘仲宇 LIU Zhong-yu, 李志强 Li Zhi-qiang · Chinese Journal of Liquid Crystals and Displays · 2011
According to the disadvantage of color distortion of color histogram equalization algorithm,a new image enhancement algorithm based on dark channel prior is presented.First,the dark channel image is done.Then the transmission map and the atmospheric optical components map are estimated.Finally the bright values of the pixels of the image are calculated according to the atmospheric model.An embedded high speed image enhancement processing system on high performance DSP TMS320DM6437 and FPGA was designed.Experimental results with real images shown that the system can improve the contrast and color of the image,restore the real color of the image,and effectively enhance the image,the running time of the program is shorter,so it can meet the requirements in the project.