利用FPGA进行运动检测的论文，思想不错，可以借鉴-Motion Detection using FPGA for the papers, thinking well, can learn from

hough变换的vhdl程序设计，测试没有任何问题，可以执行，开发工具quartus，modelsim-hough transform with fpga and vhdl ，good tested and you can use it happily