We present a regularized self-labeling approach to improve the generalization and robustness properties of fine-tuning.

Last update: Sep 08, 2022

Related tags

Overview

This repository provides the implementation for the paper "Improved Regularization and Robustness for Fine-tuning in Neural Networks", which will be presented as a poster paper in NeurIPS'21.

In this work, we propose a regularized self-labeling approach that combines regularization and self-training methods for improving the generalization and robustness properties of fine-tuning. Our approach includes two components:

First, we encode layer-wise regularization to penalize the model weights at different layers of the neural net.
Second, we add self-labeling that relabels data points based on current neural net's belief and reweights data points whose confidence is low.

Requirements

To install requirements:

pip install -r requirements.txt

Data Preparation

We use seven image datasets in our paper. We list the link for downloading these datasets and describe how to prepare data to run our code below.

Aircrafts: download and extract into ./data/aircrafts
- remove the class 257.clutter out of the data directory
CUB-200-2011: download and extract into ./data/CUB_200_2011/
Caltech-256: download and extract into ./data/caltech256/
Stanford-Cars: download and extract into ./data/StanfordCars/
Stanford-Dogs: download and extract into ./data/StanfordDogs/
Flowers: download and extract into ./data/flowers/
MIT-Indoor: download and extract into ./data/Indoor/

Our code automatically handles the split of the datasets.

Usage

Our algorithm (RegSL) interpolates between layer-wise regularization and self-labeling. Run the following commands for conducting experiments in this paper.

Fine-tuning ResNet-101 on image classification tasks.

python train_constraint.py --model ResNet101 \
    --config configs/config_constraint_indoor.json \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 0.136809975858091 --reg_predictor 6.40780158171339 --scale_factor 2.52883770643206\
    --device 1

python train_constraint.py --model ResNet101 \
    --config configs/config_constraint_aircrafts.json \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 1.18330556653284 --reg_predictor 5.27713618808711 --scale_factor 1.27679969876201\
    --device 1

python train_constraint.py --model ResNet101 \
    --config configs/config_constraint_birds.json \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 0.204403908747731 --reg_predictor 23.7850606577679 --scale_factor 4.73803591794678\
    --device 1

python train_constraint.py --model ResNet101 \
    --config configs/config_constraint_caltech.json \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 0.0867998872549272 --reg_predictor 9.4552942790218 --scale_factor 1.1785989596144\
    --device 1

python train_constraint.py --model ResNet101 \
    --config configs/config_constraint_cars.json \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 1.3340347414257 --reg_predictor 8.26940794089601 --scale_factor 3.47676759842434\
    --device 1

python train_constraint.py --model ResNet101 \
    --config configs/config_constraint_dogs.json \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 0.0561320847651626 --reg_predictor 4.46281825974388 --scale_factor 1.58722606909531\
    --device 1

python train_constraint.py --model ResNet101 \
    --config configs/config_constraint_flower.json \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 0.131991042311165 --reg_predictor 10.7674132173309 --scale_factor 4.98010215976503\
    --device 1

Fine-tuning ResNet-18 under label noise.

python train_label_noise.py --config configs/config_constraint_indoor.json --model ResNet18 \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 7.80246991703043 --reg_predictor 14.077402847906 \
    --noise_rate 0.2 --train_correct_label --reweight_epoch 5 --reweight_temp 2.0 --correct_epoch 10 --correct_thres 0.9 

python train_label_noise.py --config configs/config_constraint_indoor.json --model ResNet18 \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 8.47139398080791 --reg_predictor 19.0191127114923 \
    --noise_rate 0.4 --train_correct_label --reweight_epoch 5 --reweight_temp 2.0 --correct_epoch 10 --correct_thres 0.9 

python train_label_noise.py --config configs/config_constraint_indoor.json --model ResNet18 \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 10.7576018531961 --reg_predictor 19.8157649727473 \
    --noise_rate 0.6 --train_correct_label --reweight_epoch 5 --reweight_temp 2.0 --correct_epoch 10 --correct_thres 0.9 
    
python train_label_noise.py --config configs/config_constraint_indoor.json --model ResNet18 \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 9.2031662757248 --reg_predictor 6.41568500472423 \
    --noise_rate 0.8 --train_correct_label --reweight_epoch 5 --reweight_temp 1.5 --correct_epoch 10 --correct_thres 0.9

Fine-tuning Vision Transformer on noisy labels.

python train_label_noise.py --config configs/config_constraint_indoor.json \
    --model VisionTransformer --is_vit --img_size 224 --vit_type ViT-B_16 --vit_pretrained_dir pretrained/imagenet21k_ViT-B_16.npz \
    --reg_method none --reg_norm none \
    --lr 0.0001 --device 1 --noise_rate 0.4

python train_label_noise.py --config configs/config_constraint_indoor.json \
    --model VisionTransformer --is_vit --img_size 224 --vit_type ViT-B_16 --vit_pretrained_dir pretrained/imagenet21k_ViT-B_16.npz \
    --reg_method none --reg_norm none \
    --lr 0.0001 --device 1 --noise_rate 0.8

python train_label_noise.py --config configs/config_constraint_indoor.json \
    --model VisionTransformer --is_vit --img_size 224 --vit_type ViT-B_16 --vit_pretrained_dir pretrained/imagenet21k_ViT-B_16.npz \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 0.7488074175044196 --reg_predictor 9.842955837419588 \
    --train_correct_label --reweight_epoch 24 --correct_epoch 18\
    --lr 0.0001 --device 1 --noise_rate 0.4

python train_label_noise.py --config configs/config_constraint_indoor.json \
    --model VisionTransformer --is_vit --img_size 224 --vit_type ViT-B_16 --vit_pretrained_dir pretrained/imagenet21k_ViT-B_16.npz \
    --reg_method constraint --reg_norm frob \
    --reg_extractor 0.1568903647089986 --reg_predictor 1.407080880079702 \
    --train_correct_label --reweight_epoch 18 --correct_epoch 2\
    --lr 0.0001 --device 1 --noise_rate 0.8

Please follow the instructions in ViT-pytorch to download the pre-trained models.

Fine-tuning ResNet-18 on ChestX-ray14 data set.

Run experiments on ChestX-ray14 in reproduce-chexnet path:

cd reproduce-chexnet

python retrain.py --reg_method None --reg_norm None --device 0

python retrain.py --reg_method constraint --reg_norm frob \
    --reg_extractor 5.728564437344309 --reg_predictor 2.5669480884876905 --scale_factor 1.0340072757925474 \
    --device 0

Citation

If you find this repository useful, consider citing our work titled above.

Acknowledgment

Thanks to the authors of the following repositories for providing their implementation publicly available.

We present a regularized self-labeling approach to improve the generalization and robustness properties of fine-tuning.

Related tags

Overview

Overview

Requirements

Data Preparation

Usage

Citation

Acknowledgment

Owner

NEU-StatsML-Research

PyGAD, a Python 3 library for building the genetic algorithm and training machine learning algorithms (Keras & PyTorch).

Differentiable simulation for system identification and visuomotor control

🤗 Transformers: State-of-the-art Natural Language Processing for Pytorch, TensorFlow, and JAX.

Hub is a dataset format with a simple API for creating, storing, and collaborating on AI datasets of any size.

Gender Classification Machine Learning Model using Sk-learn in Python with 97%+ accuracy and deployment

A Simplied Framework of GAN Inversion

Novel and high-performance medical image classification pipelines are heavily utilizing ensemble learning strategies

Readings for "A Unified View of Relational Deep Learning for Polypharmacy Side Effect, Combination Therapy, and Drug-Drug Interaction Prediction."

Graph-Refined Convolutional Network for Multimedia Recommendation with Implicit Feedback

Official Pytorch implementation of "Learning to Estimate Robust 3D Human Mesh from In-the-Wild Crowded Scenes", CVPR 2022

Python package provinding tools for artistic interactive applications using AI

Source code for PairNorm (ICLR 2020)

Exploiting Robust Unsupervised Video Person Re-identification

Naszilla is a Python library for neural architecture search (NAS)

Capsule endoscopy detection DACON challenge

Unsupervised Feature Ranking via Attribute Networks.

ALFRED - A Benchmark for Interpreting Grounded Instructions for Everyday Tasks

Bald-to-Hairy Translation Using CycleGAN

Investigating Attention Mechanism in 3D Point Cloud Object Detection (arXiv 2021)

This is a Pytorch implementation of paper: DropEdge: Towards Deep Graph Convolutional Networks on Node Classification