Search Results for author: Priya Goyal

Found 10 papers, 9 papers with code

CLIP the Bias: How Useful is Balancing Data in Multimodal Learning?

no code implementations7 Mar 2024 Ibrahim Alabdulmohsin, Xiao Wang, Andreas Steiner, Priya Goyal, Alexander D'Amour, Xiaohua Zhai

Interestingly, data and architectural improvements seem to mitigate the negative impact of data balancing on performance; e. g. applying M4 to SigLIP-B/16 with data quality filters improves COCO image-to-text retrieval @5 from 86% (without data balancing) to 87% and ImageNet 0-shot classification from 77% to 77. 5%!

Image-to-Text Retrieval Retrieval +1

A Self-Supervised Descriptor for Image Copy Detection

1 code implementation CVPR 2022 Ed Pizzi, Sreya Dutta Roy, Sugosh Nagavara Ravindra, Priya Goyal, Matthijs Douze

We adapt this method to the copy detection task by changing the architecture and training objective, including a pooling operator from the instance matching literature, and adapting contrastive learning to augmentations that combine images.

Contrastive Learning Copy Detection +1

Vision Models Are More Robust And Fair When Pretrained On Uncurated Images Without Supervision

1 code implementation16 Feb 2022 Priya Goyal, Quentin Duval, Isaac Seessel, Mathilde Caron, Ishan Misra, Levent Sagun, Armand Joulin, Piotr Bojanowski

Discriminative self-supervised learning allows training models on any random group of internet images, and possibly recover salient information that helps differentiate between the images.

 Ranked #1 on Copy Detection on Copydays strong subset (using extra training data)

Action Classification Action Recognition +12

Fairness Indicators for Systematic Assessments of Visual Feature Extractors

1 code implementation15 Feb 2022 Priya Goyal, Adriana Romero Soriano, Caner Hazirbas, Levent Sagun, Nicolas Usunier

Systematic diagnosis of fairness, harms, and biases of computer vision systems is an important step towards building socially responsible systems.

Fairness

Unsupervised Learning of Visual Features by Contrasting Cluster Assignments

16 code implementations NeurIPS 2020 Mathilde Caron, Ishan Misra, Julien Mairal, Priya Goyal, Piotr Bojanowski, Armand Joulin

In addition, we also propose a new data augmentation strategy, multi-crop, that uses a mix of views with different resolutions in place of two full-resolution views, without increasing the memory or compute requirements much.

Contrastive Learning Data Augmentation +2

Tensor Comprehensions: Framework-Agnostic High-Performance Machine Learning Abstractions

4 code implementations13 Feb 2018 Nicolas Vasilache, Oleksandr Zinenko, Theodoros Theodoridis, Priya Goyal, Zachary DeVito, William S. Moses, Sven Verdoolaege, Andrew Adams, Albert Cohen

Deep learning models with convolutional and recurrent networks are now ubiquitous and analyze massive amounts of audio, image, video, text and graph data, with applications in automatic translation, speech-to-text, scene understanding, ranking user preferences, ad placement, etc.

BIG-bench Machine Learning Management +2

Focal Loss for Dense Object Detection

231 code implementations ICCV 2017 Tsung-Yi Lin, Priya Goyal, Ross Girshick, Kaiming He, Piotr Dollár

Our novel Focal Loss focuses training on a sparse set of hard examples and prevents the vast number of easy negatives from overwhelming the detector during training.

Dense Object Detection Knowledge Distillation +5

Accurate, Large Minibatch SGD: Training ImageNet in 1 Hour

70 code implementations8 Jun 2017 Priya Goyal, Piotr Dollár, Ross Girshick, Pieter Noordhuis, Lukasz Wesolowski, Aapo Kyrola, Andrew Tulloch, Yangqing Jia, Kaiming He

To achieve this result, we adopt a hyper-parameter-free linear scaling rule for adjusting learning rates as a function of minibatch size and develop a new warmup scheme that overcomes optimization challenges early in training.

Stochastic Optimization

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