A Low Complexity Interest Point Detector Chen, Jie ; Duan, Ling-Yu ; Gao, Feng ; Cai, Jianfei ; Kot, Alex C. ; Huang, Tiejun Abstract Publication: IEEE Signal Processing Letters Pub Date: February 2015 DOI: 10.1109/LSP.2014.2354237 Bibcode: 2015ISPL...22..172C