Opencv环境中，通过霍夫检测检测图像中的直线，经过了ROI裁剪，形态学处理，canny算子检测等各种预处理。-In the opencv environment,do the line detection using Hough Transform. By cutting the ROI, morphological processing, canny boundary preprocessing.

line draw on display, based opencv

一个基于统计的肤色过滤程序，用基于OpenCV库，命令行模式执行-A color filter based on statistical procedures, with the OpenCV library on the command line mode. .