1. Ke, N.Y., Sukthankar R.: PCA-SIFT: a more distinctive representation for local image descriptors. In: IEEE Computer Society Conference on Computer Vision & Pattern Recognition (2004)
2. Bay H., Ess, A.: Speeded-up robust features (SURF). In: European Conference on Computer Vision (2008)
3. Hang, X.I.: A method for improving matching accuracy of SIFT features. Optical Instruments 38(6), 497–500 (2016)
4. Li, H.Y.: A real-time SIFT feature extraction algorithm. Journal of Astronautics 38(8), 865–871 (2017)
5. Jintao, D.: Improvement of real-time performance of image matching based on SIFT. Electron. Opt. Control. 27(3), 80–88 (2020)