PyTorch implementation for Partially View-aligned Representation Learning with Noise-robust Contrastive Loss (CVPR 2021)

Related tags

Deep Learningcontrastive-lossmulti-view-learningnoisy-labels
Overview

2021-CVPR-MvCLN

This repo contains the code and data of the following paper accepted by CVPR 2021

Partially View-aligned Representation Learning with Noise-robust Contrastive Loss

Requirements

pytorch==1.5.0

numpy>=1.18.2

scikit-learn>=0.22.2

munkres>=1.1.2

logging>=0.5.1.2

Configuration

The hyper-parameters, the training options (including the ratiao of positive to negative, aligned proportions and switch time) are defined in the args. part in run.py.

Datasets

The Scene-15 and Reuters-dim10 datasets are placed in "datasets" folder. The NoisyMNIST and Caltech101 datasets could be downloaded from Google cloud or Baidu cloud with password "rqv4".

Usage

After setting the configuration and downloading datasets from the cloud desk, one could run the following code to verify our method on NoisyMNIST-30000 dataset for clustering task.

python run.py --data 3

The expected outputs are as follows:

******** Training begin, use RobustLoss: 1.0*m, use gpu 0, batch_size = 1024, unaligned_prop = 0.5, NetSeed = 64, DivSeed = 249 ********
=======> Train epoch: 0/80
margin = 5
distance: pos. = 2.5, neg. = 2.5, true neg. = 2.5, false neg. = 2.49
loss = 3.41, epoch_time = 12.07 s
******** testing ********
CAR=0.1012, kmeans: acc=0.1791, nmi=0.0435, ari=0.021
******* neg_dist_mean >= 1.0 * margin, start using fine loss at epoch: 3 *******
=======> Train epoch: 10/80
distance: pos. = 0.76, neg. = 5.38, true neg. = 5.83, false neg. = 1.34
loss = 0.09, epoch_time = 15.17 s
******** testing ********
CAR=0.8712, kmeans: acc=0.9462, nmi=0.8705, ari=0.8862
......
=======> Train epoch: 80/80
distance: pos. = 0.25, neg. = 5.34, true neg. = 5.8, false neg. = 1.17
loss = 0.03, epoch_time = 14.18 s
******** testing ********
CAR=0.8753, kmeans: acc=0.9459, nmi=0.8744, ari=0.8859
******** End, training time = 1276.29 s ********

Citation

If you find our work useful in your research, please consider citing:

@inproceedings{yang2021MvCLN,
   title={Partially View-aligned Representation Learning with Noise-robust Contrastive Loss},
   author={Mouxing Yang, Yunfan Li, Zhenyu Huang, Zitao Liu, Peng Hu, Xi Peng},
   booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
   month={June},
   year={2021}
}
Owner
XLearning Group
Xi Peng's XLearning Group
XLearning Group
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