School of Computer Science and Technology Nanjing TECH University Nanjing 211816 China;
School of Computer Science and Technology Nanjing TECH University Nanjing 211816 China;
School of Computer Science and Technology Nanjing TECH University Nanjing 211816 China;
School of Engineering Kyushu Institute of Technology Kyushu 804-8550 Japan;
SLAM; thread optimization; scene reconstruction; feature point match;