 We test FastORB-SLAM with an RGBD camera on \textit{TUM} and \textit{ICL-NUIM}  datasets and compare its accuracy and efficiency to nine existing RGBD SLAM methods.
<meaning-changed>  We test FastORB-SLAM with an RGBD camera on \textit{TUM} and \textit{ICL-NUIM}  datasets and compare its accuracy and efficiency to nine existing RGBD SLAM methods.
 We test FastORB-SLAM with an RGBD camera on \textit{TUM} and \textit{ICL-NUIM} RGB-D datasets and compare its accuracy and efficiency to nine existing RGBD SLAM methods.