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Element-Wise Feature Relation Learning Network for Cross-Spectral Image Patch Matching
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DOI：10.1109/TNNLS.2021.3052756.png)
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Abstract
En 中文
Recently, the majority of successful matching approaches are based on convolutional neural networks, which focus on learning the invariant and discriminative features for individual image patches based on image content. However, the image patch matching task is essentially to predict the matching relationship of patch pairs, that is, matching (similar) or non-matching (dissimilar). Therefore, we consider that the feature relation (FR) learning is more important than individual feature learning for image patch matching problem. Motivated by this, we propose an element-wise FR learning network for image patch matching, which transforms the image patch matching task into an image relationship-based pattern classification problem and dramatically improves generalization performances on image matching. Meanwhile, the proposed element-wise learning methods encourage full interaction between feature information and can naturally learn FR. Moreover, we propose to aggregate FR from multilevels, which integrates the multiscale FR for more precise matching. Experimental results demonstrate that our proposal achieves superior performances on cross-spectral image patch matching and single spectral image patch matching, and good generalization on image patch retrieval.
Keywords:
Feature extraction
Learning systems
Measurement
Task analysis
Training
Aggregates
Image matching
Aggregated features
element-wise
feature learning
image matching
patch matching
relation learning
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