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Improvement for Feature Point Extraction Based on Kinect 3D Reconstruction

  

  1. (1. Laboratory of Machine Vision, Minjiang University, Fuzhou 350100, China;
    2. Department of Physics and Electronic Information Engineering, Minjiang University, Fuzhou 350100, China)
  • Received:2018-09-11 Online:2019-11-15 Published:2019-11-15

Abstract: To solve the problem of low performance-price ratio due to low efficiency and high distortion of feature points extraction in the complex indoor environment of robots, an improved SIFT feature points extraction and matching algorithm is proposed, and on this basis, a SLAM system based on Kinect is built.
The SLAM system front end improves the SIFT feature point extraction method, uses the Gaussian separation fuzzy function, improves the speed of SIFT algorithm to extract the feature point, and uses RANSAC to screen unstable feature points. The SLAM system with improved SIFT feature points extraction method can reconstruct the complex and empty indoor environment with high efficiency and low distortion.

Key words: Kinect 3D reconstruction, indoor 3D reconstruction, SIFT feature point extraction

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