Using this system and a test image set composed by 1000 images selected randomly from corol gallery to validate the above methods. The experimental results show that: these methods can improve the retrieval rate and accuracy of image matching. 从corel图库中任意抽取1000幅图像组成测试图像集,利用该系统,对上述方法进行了验证,实验表明:算法能够提高检索速率以及图像匹配的准确度。