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22 December 2022 Tracking and matching of track closed loop sequence wide baseline image feature
Shelei Li, Bo Zhou, Boxiong Yang, Faizan Ali, Zhiyong Liang
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Proceedings Volume 12508, International Symposium on Artificial Intelligence and Robotics 2022; 125080R (2022) https://doi.org/10.1117/12.2656314
Event: Seventh International Symposium on Artificial Intelligence and Robotics 2022, 2022, Shanghai, China
Abstract
In the three-dimensional reconstruction of unmanned aerial vehicle (UAV) oblique photography, the variation of illumination and viewing angle will lead to the instability of interest points extraction. The wide-baseline images are invalidated by neighborhood cross-correlation methods. Based on the analysis of continuous closed-loop image data, a feature tracking and matching algorithm of track closed loop sequence wide-baseline image is introduced in this paper. Firstly, Interest points of each image are extracted by SuperPoint algorithm, and the continuous pairwise matching is carried out by SuperGlue algorithm; then, the matching results are used for feature tracking in both positive and negative directions, and the feature tracking results of the two directions are fused; finally, DEGENSAC is used to filter outliers, so as to obtain the optimal matching result. The experimental results show that, t for wide-baseline image data, the matching points obtained by this algorithm are more uniform than those obtained by ASIFT +FLANN algorithm, and more feature points can be matched than those obtained by SuperPoint+SuperGlue algorithm based on machine learning, and this algorithm is more robust in wide-baseline feature matching.
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Shelei Li, Bo Zhou, Boxiong Yang, Faizan Ali, and Zhiyong Liang "Tracking and matching of track closed loop sequence wide baseline image feature", Proc. SPIE 12508, International Symposium on Artificial Intelligence and Robotics 2022, 125080R (22 December 2022); https://doi.org/10.1117/12.2656314
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KEYWORDS
Detection and tracking algorithms
Reconstruction algorithms
Feature extraction
3D image reconstruction
Cameras
Evolutionary algorithms
Image processing
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