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[P] FB released pre-trained model on Instagram on PyTorch Hub. Gets SOTA on top-1 ImageNet after fine-tuning.

Link to the project page: https://pytorch.org/hub/facebookresearch_WSL-Images_resnext/

GitHub: https://github.com/facebookresearch/WSL-Images/blob/master/hubconf.py

Colab Notebook demo: https://colab.research.google.com/github/pytorch/pytorch.github.io/blob/master/assets/hub/facebookresearch_WSL-Images_resnext.ipynb

The released model is based on their ECCV paper from earlier:

Exploring the Limits of Weakly Supervised Pretraining

Abstract State-of-the-art visual perception models for a wide range of tasks rely on supervised pretraining. ImageNet classification is the de facto pretraining task for these models. Yet, ImageNet is now nearly ten years old and is by modern standards “small”. Even so, relatively little is known about the behavior of pretraining with datasets that are multiple orders of magnitude larger. The reasons are obvious: such datasets are difficult to collect and annotate. In this paper, we present a unique study of transfer learning with large convolutional networks trained to predict hashtags on billions of social media images. Our experiments demonstrate that training for large-scale hashtag prediction leads to excellent results. We show improvements on several image classification and object detection tasks, and report the highest ImageNet-1k single-crop, top-1 accuracy to date: 85.4% (97.6% top-5). We also perform extensive experiments that provide novel empirical data on the relationship between large-scale pretraining and transfer learning performance.

Will our image models will become biased like self-centered millennial influencers!?

submitted by /u/sensetime
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Toronto AI is a social and collaborative hub to unite AI innovators of Toronto and surrounding areas. We explore AI technologies in digital art and music, healthcare, marketing, fintech, vr, robotics and more. Toronto AI was founded by Dave MacDonald and Patrick O'Mara.