图像处理中用到的中值滤波，FPGA实现。verilog语言。-Used in image processing median filter, FPGA implementation. verilog language.

veilog图像处理， 产生一个色条图像，做为测试之用，是FPGA图像处理必备代码。-verilog image processing, produces a color bar image, as the test is necessary FPGA code for image processing