For the incomplete methods, we kept the representation of the queens by a table and the method of calculation to determine if two queens are in conflict, which is much faster for this kind of problems than the representa

For the incomplete methods, we kept the representation of the queens by a table and the method of calculation to determine if two queens are in conflict, which is much faster for this kind of problems than the representa

open charechter stics recognization in matlab/simulink

为了能有效解决H ough 变换的计算量大的问题，文中提出了一种基于直线局部结构特征的H ough 变换改进的直 线检测算法。该算法根据F reem an 准则分析了直线上基元的特征信息，通过图像上邻近的同类基元的倾斜角约束基元上 像素点的极角范围，减少每个点的计算次数，在保持精度的同时，提高直线检测的速度，在有噪声的情况下，该算法相对标 准H ough 变换算法可以提高到6 到7 倍。 -In o rder to ef