Search Results for author: Jose Costa Pereira

Found 4 papers, 0 papers with code

Content-Diverse Comparisons improve IQA

no code implementations9 Nov 2022 William Thong, Jose Costa Pereira, Sarah Parisot, Ales Leonardis, Steven McDonagh

This restricts the diversity and number of image pairs that the model is exposed to during training.

Image Quality Assessment SSIM

Deep Hashing with Hash-Consistent Large Margin Proxy Embeddings

no code implementations27 Jul 2020 Pedro Morgado, Yunsheng Li, Jose Costa Pereira, Mohammad Saberian, Nuno Vasconcelos

The use of a fixed set of proxies (weights of the CNN classification layer) is proposed to eliminate this ambiguity, and a procedure to design proxy sets that are nearly optimal for both classification and hashing is introduced.

Binarization Classification +2

Large Margin Discriminant Dimensionality Reduction in Prediction Space

no code implementations NeurIPS 2016 Mohammad Saberian, Jose Costa Pereira, Can Xu, Jian Yang, Nuno Nvasconcelos

We argue that the intermediate mapping, e. g. boosting predictor, is preserving the discriminant aspects of the data and by controlling the dimension of this mapping it is possible to achieve discriminant low dimensional representations for the data.

Dimensionality Reduction General Classification +1

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