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## Highlight
-- We formulate unsupervised embedding learning with data augmentation invariant and instance spread-out feature.
-- We propose to optimize the embedding directly on the real-time instance features with softmax function.
-- Achieves much faster learning speed and better accuracy.
-- The learned embedding performs well on both seen and unseen testing categories.
+The goal of this work is to learn a feature extraction DNN, such that features of the same instance under different data augmentations should be invariant, while features of different image instances should be separated.
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+We propose to optimize the embedding directly on the real-time instance features with softmax function.
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+The proposed feature achieves much faster learning speed and better accuracy.
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+The learned embedding performs well on both seen and unseen testing categories.
## Usage
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