Simultaneous Localization and Mapping (SLAM) is considered to be a
fundamental capability for intelligent mobile robots. Over the past decades,
many impressed SLAM systems have been developed and achieved good performance
under certain circumstances. However, some problems are still not well solved,
for example, how to tackle the moving objects in the dynamic environments, how
to make the robots truly understand the surroundings and accomplish advanced
tasks. In this paper, a robust semantic visual SLAM towards dynamic
environments named DS-SLAM is proposed. Five threads run in parallel in
DS-SLAM: tracking, semantic segmentation, local mapping, loop closing, and
dense semantic map creation. DS-SLAM combines semantic segmentation network
with moving consistency check method to reduce the impact of dynamic objects,
and thus the localization accuracy is highly improved in dynamic environments.
Meanwhile, a dense semantic octo-tree map is produced, which could be employed
for high-level tasks. We conduct experiments both on TUM RGB-D dataset and in
the real-world environment. The results demonstrate the absolute trajectory
accuracy in DS-SLAM can be improved by one order of magnitude compared with
ORB-SLAM2. It is one of the state-of-the-art SLAM systems in high-dynamic
environments. Now the code is available at our github:
this https URL

本文提出一种名为 DS-SLAM 的鲁棒的语义视觉 SLAM 方法，旨在解决动态环境下的 SLAM 问题，通过将语义分割网络与运动一致性检查方法相结合，提高了在动态环境下的本地化精度，同时生成了一个稠密的语义八叉树地图，可用于高级任务中。经过多组测试，DS-SLAM 的绝对轨迹精度比 ORB-SLAM2 提高了一个数量级，是当前高动态环境下最先进的 SLAM 系统之一。