Image multi-matching model estimation algorithm based on aggregation of matching points of same model

Wang Weijie1
Wei Ruoyan1
Zhu Xiaoqing2
1. Institute of Information Technology, Hebei University of Economics & Business, Shijiazhuang 050061, China
2. Faculty of Information Technology, Beijing University of Technology, Beijing 100124, China

Abstract

The estimation of multiple matching models between wide baseline or large angle images is a quite challenging task in image processing. The existing algorithms can be used to estimate multiple matching models and their inliers between images well, but their results are prone to matching pairs mis-classification issues. In order to accurately estimate the multiple matching models and allocate matching pairs, this paper proposed a image multi-matching model estimation algorithm based on the aggregation of matching points of the same model (AMPSM) . First, for improve the proportion of correct matching pairs, filter out incorrect matching pairs based on the distribution characteristics of correct matching points in the neighboring region. Furthermore, based on the different matching model degrees to which the matching pairs belong, the suspected intersection matching pairs of multiple models, that is interference matching pairs, are searched for. Meantime, for reduce the impact of interference matching pairs on the accuracy of matching classification, they are removed. Afterwards, for improve the clustering degree of matching points with the co-model, the position is dynamically moved based on the distance between the points within the same model and the center of gravity of the point set during the sampling process. Finally, classifying clustered matching points by MeanShift to obtain a multi matching model. In the experiments, the proposed method is compared with classical framework based algorithms RANSAC, PROSAC, MAGSAC++, GMS, AdaLAM, PEARL, MTC, Sequential RANSAC, and deep learning based algorithms SuperGlue, OANet, CLCNet, CONSAC, etc. Results indicate over 30% increase in the inlier rate, 8.39% reduction in the mis-classification rate of multi model estimation. It is concluded that the new algorithm has significant advantages in incorrect matches filtering and multi-model estimation.

Foundation Support

国家自然科学基金资助项目(62103009)
河北省重点研发计划资助项目(17216108)
河北省自然基金资助项目(F2018207038)
河北省高等教育教学改革研究与实践项目(2022GJJG178)
河北省教育厅科研项目(QN2020186)
河北经贸大学重点研究项目(ZD20230001)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2023.12.0638
Publish at: Application Research of Computers Accepted Paper, Vol. 41, 2024 No. 10

Publish History

[2024-03-28] Accepted Paper

Cite This Article

王伟杰, 魏若岩, 朱晓庆. 基于同模型匹配点聚集的图像多匹配模型估计算法 [J]. 计算机应用研究, 2024, 41 (10). (2024-07-12). https://doi.org/10.19734/j.issn.1001-3695.2023.12.0638. (Wang Weijie, Wei Ruoyan, Zhu Xiaoqing. Image multi-matching model estimation algorithm based on aggregation of matching points of same model [J]. Application Research of Computers, 2024, 41 (10). (2024-07-12). https://doi.org/10.19734/j.issn.1001-3695.2023.12.0638. )

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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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