Code release for "COTR: Correspondence Transformer for Matching Across Images"

Related tags

Deep LearningCOTR
Overview

COTR: Correspondence Transformer for Matching Across Images

This repository contains the inference code for COTR. We plan to release the training code in the future. COTR establishes correspondence in a functional and end-to-end fashion. It solves dense and sparse correspondence problem in the same framework.

Demos

Check out our demo video at here.

1. Install environment

Our implementation is based on PyTorch. Install the conda environment by: conda env create -f environment.yml.

Activate the environment by: conda activate cotr_env.

Notice that we use scipy=1.2.1 .

2. Download the pretrained weights

Down load the pretrained weights at here. Extract in to ./out, such that the weights file is at /out/default/checkpoint.pth.tar.

3. Single image pair demo

python demo_single_pair.py --load_weights="default"

Example sparse output:

Example dense output with triangulation:

Note: This example uses 10K valid sparse correspondences to densify.

4. Facial landmarks demo

python demo_face.py --load_weights="default"

Example:

5. Homography demo

python demo_homography.py --load_weights="default"

Citation

If you use this code in your research, cite the paper:

@article{jiang2021cotr,
  title={{COTR: Correspondence Transformer for Matching Across Images}},
  author={Wei Jiang and Eduard Trulls and Jan Hosang and Andrea Tagliasacchi and Kwang Moo Yi},
  booktitle={arXiv preprint},
  publisher_page={https://arxiv.org/abs/2103.14167},
  year={2021}
}
Owner
UBC Computer Vision Group
University of British Columbia Computer Vision Group
UBC Computer Vision Group
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