A Novel Affine Covariant Feature Mismatch Removal for Feature Matching
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING(2022)
摘要
Feature matching is a fundamental technique in remote sensing image processing. This article proposes a new formulation of affine covariant feature matching for remote sensing images, where we suggest matching features by matching two sets of triplets. Compared with previous works, the formulation exploits the whole feature frame rather than the 2-D location to reject outliers. Besides, we also develop a new latent variable model to combine the feature frame and the SIFT ratio values, to enhance the convergence speed and success rate in challenging cases. We evaluate our model on three challenging datasets in terms of both qualitative and quantitative experiments. We also study the robustness to outliers since remote sensing images are typically affected by mismatches. The results demonstrate that the proposed method provides excellent matching performance with satisfying runtime and shows good robustness to outliers.
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关键词
Feature extraction, Detectors, Covariance matrices, Robustness, Remote sensing, Transforms, Shape, Affine covariant features, feature matching, mismatch removal, novel fusing model, outlier rejection, remote sensing (RS) images, triplets matching
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