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- W4210347174 abstract "For a SLAM system operating in a dynamic indoor environment, its position estimation accuracy and visual odometer stability could be reduced because the system can be easily affected by moving obstacles. In this paper, a visual SLAM algorithm based on the Yolov4-Tiny network is proposed. Meanwhile, a dynamic feature point elimination strategy based on the traditional ORBSLAM is proposed. Besides this, to obtain semantic information, object detection is carried out when the feature points of the image are extracted. In addition, the epipolar geometry algorithm and the LK optical flow method are employed to detect dynamic objects. The dynamic feature points are removed in the tracking thread, and only the static feature points are used to estimate the position of the camera. The proposed method is evaluated on the TUM dataset. The experimental results show that, compared with ORB-SLAM2, our algorithm improves the camera position estimation accuracy by 93.35% in a highly dynamic environment. Additionally, the average time needed by our algorithm to process an image frame in the tracking thread is 21.49 ms, achieving real-time performance." @default.
- W4210347174 created "2022-02-08" @default.
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- W4210347174 date "2022-01-30" @default.
- W4210347174 modified "2023-10-14" @default.
- W4210347174 title "RGB-D Visual SLAM Based on Yolov4-Tiny in Indoor Dynamic Environment" @default.
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- W4210347174 doi "https://doi.org/10.3390/mi13020230" @default.
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