Search Results for author: Tony Xu

Found 4 papers, 2 papers with code

Resource and data efficient self supervised learning

no code implementations3 Sep 2021 Ozan Ciga, Tony Xu, Anne L. Martel

We investigate the utility of pretraining by contrastive self supervised learning on both natural-scene and medical imaging datasets when the unlabeled dataset size is small, or when the diversity within the unlabeled set does not lead to better representations.

Self-Supervised Learning

Overcoming the limitations of patch-based learning to detect cancer in whole slide images

no code implementations1 Dec 2020 Ozan Ciga, Tony Xu, Sharon Nofech-Mozes, Shawna Noy, Fang-I Lu, Anne L. Martel

We apply a binary cancer detection network on post neoadjuvant therapy breast cancer WSIs to find the tumor bed outlining the extent of cancer, a task which requires sensitivity and precision across the whole slide.

whole slide images

Self supervised contrastive learning for digital histopathology

2 code implementations27 Nov 2020 Ozan Ciga, Tony Xu, Anne L. Martel

In this paper, we use a contrastive self-supervised learning method called SimCLR that achieved state-of-the-art results on natural-scene images and apply this method to digital histopathology by collecting and pretraining on 57 histopathology datasets without any labels.

Contrastive Learning Self-Supervised Learning

Meta-Learning for One-Class Classification with Few Examples using Order-Equivariant Network

1 code implementation8 Jul 2020 Ademola Oladosu, Tony Xu, Philip Ekfeldt, Brian A. Kelly, Miles Cranmer, Shirley Ho, Adrian M. Price-Whelan, Gabriella Contardo

This paper presents a meta-learning framework for few-shots One-Class Classification (OCC) at test-time, a setting where labeled examples are only available for the positive class, and no supervision is given for the negative example.

Astronomy General Classification +3

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