Local patch descriptors learned on log-polar sampled patches match keypoints across up to 4x scale mismatch and beat Cartesian-patch baselines on multiple benchmarks.
Learning Local Feature Descriptors with Triplets and Shallow Convolutional Neural Networks
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Beyond Cartesian Representations for Local Descriptors
Local patch descriptors learned on log-polar sampled patches match keypoints across up to 4x scale mismatch and beat Cartesian-patch baselines on multiple benchmarks.