Abstract
Three-dimensional registration technology is the foundation, key and difficult point of constructing augmented reality system. This paper first reviews the three-dimensional registration technology in augmented reality, and compares the advantages and disadvantages of each method. Then, from the improvement of feature descriptor, the combination of registration technology and tracking technology, online learning-based registration technology and deep learning-based registration technology, the improvement strategy of registration method is analysed and summarized, which is the three-dimensional registration technology. In-depth research provides ideas. Finally, the problems existing in the research of 3D registration technology are pointed out, and the future research directions are prospected.
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