(1)ICCV1999ObjectRecognitionfromLocalScale-InvariantFeatures.pdf提出(作者:DavidG.Lowe)(2)IJCV2004Distinctiveimagefeaturesfromscaleinvariantkeypoints.pdf总结(作者:DavidG.Lowe)(3)CVPR2004PCA-SIFT:AMoreDistinctiveRepresentationforLocalImageDescriptors.pdf加PCA降维