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TagAlign - Official Pytorch Implementation

TagAlign: Improving Vision-Language Alignment with Multi-Tag Classification <br> Qinying Liu, Kecheng Zheng, Wei Wu, Zhan Tong, Yu Liu, Wei Chen, Zilei Wang, Yujun Shen<br>

📜 News

[2023/12/25] The paper and project page are released!

💡 Highlights

• 🔥 3.65% mIOU improvement on a broad suite of semantic segmentation datasets (VOC: PASCAL VOC, Context: PASCAL Context, Object: COCO-Object, IN: ImageNet-S, Stuff: COCO-Stuff, City: Cityscapes, ADE: ADE20K).
• 🔥 A strong CLIP encoder with the help of designed parsing pipeline that is fully automatic and thus enjoys good scalability.

👨‍💻 Todo

• Meta-files of TagAlign
• Checkpoints of TagAlign
• Web demo and local demo of TagAlign
• Training and evaluation code for TagAlign

🛠️ Usage

Installation

• apex==0.1
• clip==1.0
• mmcv-full==1.4.7
• mmsegmentation==0.21.1
• torch==1.11.0

Data Preparation

For the training phase, we utilize the CC12M dataset. Researchers can procure the CC12M dataset either directly from its source or by employing the img2dataset tool. The dataset should adhere to the following file structure:

CC12M
├── 000002a0c848e78c7b9d53584e2d36ab0ac14785.jpg
├── 000002ca5e5eab763d95fa8ac0df7a11f24519e5.jpg
├── 00000440ca9fe337152041e26c37f619ec4c55b2.jpg
...

In addition, we provide the captions of the images in meta_file(TODO).

For evaluation, refer to the GroupVit to properly prepare the datasets. Make sure to update the image directories in 'segmentation/configs/base/datasets/*.py' as necessary.

Train and Evaluate

1. Modify the 'tagalign.yml'. We provide the processed tag_file(TODO) and label_file(TODO).

2. Train the TagAlign model by run

   torchrun --rdzv_endpoint=localhost:6000 --nproc_per_node=auto main.py --cfg configs/tagalign.yml
   

3. You can evaluate the TagAlign model by running the command below.

   torchrun --rdzv_endpoint=localhost:6000 --nproc_per_node=auto main.py --cfg configs/eval.yml --eval --resume $WEIGHT
   

   $WEIGHT is the path of the pre-trained checkpoints. We provide our pre-trained weights in weights(TODO).

✒️ Citation

If you find our work to be useful for your research, please consider citing.

@article{liu2023tagalign,
  title={TagAlign: Improving Vision-Language Alignment with Multi-Tag Classification},
  author={Liu, Qinying and Zheng, Kecheng and Wei, Wu and Tong, Zhan and Liu, Yu and Chen, Wei and Wang, Zilei and Shen, Yujun},
  journal={arXiv preprint arXiv:2312.14149},
  year={2023}
}

❤️ Acknowledgements

• TCL: The codebase we built upon. Thanks for their wonderful work.
• CLIP_Surgery: An effective training-free strategy for enhancing the fine-grained localization capabilities of CLIP.