将其转为一维,方便运行算法拟合foriinrange(20):forjinrange(20):returanVec[i*20+j]=pixel[i][j]returnreturanVecimageVec=image_to_vector(r'D:\搜狗高速下载\基于K-近邻的车牌号识别\data\train\47\217-0-5.jpg')print(imageVec)print