从摄影头输入影像，可侦测直线物体，侦测到的直线以红色线条显示出来，以OPENCV的Hough transform实作-The first input from the photographic images, can detect linear objects detected straight lines shown in red to OPENCV the Hough transform implementation

使用開源資源實現圖形處理 紅色球形追蹤(xp)-use qt ide and opencv for image process, use web camera to track red ball on xp system