Feature extraction method based on point pair hierarchical clustering - Qian, Jiang; Zhao, Ruixin; Wei, Jingkang; Luo, Xiaohui; Xue, Yilan (Connection science, 2020)
Keywords: Algorithms; Cluster analysis; Clustering; Corners; Feature detection method; Feature extraction; Gray scale; hierarchical clustering; local extrema; point pair algorithm; Point pairs; point-symmetric structural features