共创在线考试测试系统源码2.1.0版利用HOUGH变换提取边界特征,还有SOBEL算子的算法 -Create online exam testing system version 2.1.0 source code using HOUGH transform boundary feature extraction, as well as Sobel Operator Algorithm

用java使用了Sobel算子以及Laplace算子实现的图像边缘提取，时钟时间识别-With java using Sobel operator and the Laplace operator to achieve image edge detection, recognition time clock

简单的图像的梯度值计算函数，java语言，利用的是sobel算子(Simple image gradient value calculation function, Java language, using the Sobel operator)