Hough-Lines-Circles-detect-Qt Based on Opencv. The hough lines detect is can works but the hough circles detect has some problems. 简单的霍夫线检测和霍夫圆检测，头一次用Qt加了那么多控件，但是一开始框架没设计好，写的很混乱，而且opencv霍夫圆好像运算量挺大的，拖动滑条（改变参数）的时候明显感到卡顿，改成release信号应该会好很多，写太乱，改不动了