采用Gabor_Palm函数提取掌纹图像的能量特征，并将得到的结果果分块，分别计算每块的均值和方差作为特征向量。特征向量的长度为160. -Gabor_Palm function using the energy extracted palmprint image features, and will be the result of ssub-blocks, each block were calculated the mean and variance as the feature ve