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- W4318706851 abstract "To achieve automatic disc cutter replacement of shield machines, measuring the accurate pose of the disc cutter holder by machine vision is crucial. However, under polluted and restricted illumination conditions, achieving pose estimation by vision is a great challenge. This paper proposes a line-features-based pose estimation method for the disc cutter holder of the shield machine by using a monocular camera. For the blurring effect of rounded corners on the image edge, a rounded edge model is established to obtain edge points that better match the 3D model of the workpiece. To obtain the edge search box corresponding to each edge, a contour separation method based on an adaptive threshold region growing method is proposed. By preprocesses on the edge points of each edge, the efficiency and the accuracy of RANSAC linear fitting are improved. The experimental result shows that the proposed pose estimation method is highly reliable and can meet the measurement accuracy requirements in practical engineering applications." @default.
- W4318706851 created "2023-02-01" @default.
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- W4318706851 date "2023-01-30" @default.
- W4318706851 modified "2023-10-18" @default.
- W4318706851 title "Line-Features-Based Pose Estimation Method for the Disc Cutter Holder of Shield Machine" @default.
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- W4318706851 doi "https://doi.org/10.3390/s23031536" @default.
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