Conformer: Local Features Coupling Global Representations for Visual Recognition

Overview

Conformer: Local Features Coupling Global Representations for Visual Recognition (arxiv)

This repository is built upon DeiT and timm

Usage

First, install PyTorch 1.7.0+ and torchvision 0.8.1+ and pytorch-image-models 0.3.2:

conda install -c pytorch pytorch torchvision
pip install timm==0.3.2

Data preparation

Download and extract ImageNet train and val images from http://image-net.org/. The directory structure is the standard layout for the torchvision datasets.ImageFolder, and the training and validation data is expected to be in the train/ folder and val folder respectively:

/path/to/imagenet/
  train/
    class1/
      img1.jpeg
    class2/
      img2.jpeg
  val/
    class1/
      img3.jpeg
    class/2
      img4.jpeg

Training

To train Conformer-S on ImageNet on a single node with 8 gpus for 300 epochs run:

Conformer-S

export CUDA_VISIBLE_DEVICES=0,1,2,3,4,5,6,7
OUTPUT='./output/Conformer_small_patch16_batch_1024_lr1e-3_300epochs'

python -m torch.distributed.launch --master_port 50130 --nproc_per_node=8 --use_env main.py \
                                   --model Conformer_small_patch16 \
                                   --data-set IMNET \
                                   --batch-size 128 \
                                   --lr 0.001 \
                                   --num_workers 4 \
                                   --data-path /data/user/Dataset/ImageNet_ILSVRC2012/ \
                                   --output_dir ${OUTPUT} \
                                   --epochs 300

Model Zoo

Model Parameters MACs Top-1 Acc Link
Conformer-Ti 23.5 M 5.2 G 81.3 % baidu(code: hzhm) google
Conformer-S 37.7 M 10.6 G 83.4 % baidu(code: qvu8) google
Conformer-B 83.3 M 23.3 G 84.1 % baidu(code: b4z9) google

Citation

@article{peng2021conformer,
      title={Conformer: Local Features Coupling Global Representations for Visual Recognition}, 
      author={Zhiliang Peng and Wei Huang and Shanzhi Gu and Lingxi Xie and Yaowei Wang and Jianbin Jiao and Qixiang Ye},
      journal={arXiv preprint arXiv:2105.03889},
      year={2021},
}
Owner
Zhiliang Peng
Zhiliang Peng
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