Legendre polynomial as base model of shape defect pattern is used to transfer pattern recognition process into a function optimization problem.And,pattern recognition optimization resu...

• 以勒让德正交多项式作为板形缺陷的基模式,将板形信号模式识别过程转化为函数的优化问题,有效地提高了算法的寻优效果,改进了板形信号模式识别的速度和精度。