采用偏最小二乘法，采用热核构造权重，添加噪声处理，最终的权值矩阵就是滤波器的系数，结合PCA的尺度不变特征变换(SIFT)算法，是本科毕设的题目，对于初学者具有参考意义。- Partial least squares method, Thermonuclear using weighting factors Add noise processing, The final weight matrix is ??the filter coefficient, Combined with PCA scale invariant feature transform (SIFT) algorithm, The title of the commercial is undergraduate course you For beginners with a reference value.