缘检测算子进行边缘检测；其次，利用Hu的7个不变矩作为形状特征向量；再次，进行图像的相识度匹配；最后在图像库中检索出最相近的Top10图像序列作为检索结果。-Edge detection operator edge detection Secondly, Hu' s seven moment invariants as the shape feature vector Again, a acquaintance of the image matching and finally in