Arbitrary-Scale Video Super-Resolution with Structural and Textural Priors (ECCV2024)

[arXiv]

This repository is the official PyTorch implementation of ST-AVSR: Arbitrary-Scale Video Super-Resolution with Structural and Textural Priors.

Introduction

Our method can achieve video SR with an arbitrary scale. If global SR is required, simply input the size of the target, which corresponds to hr_coord in the code. And the SR scale is related to cell in the code. If local super-resolution is required, hr_coord needs to be cropped.

Examples of the Demo

x4_calendar_07_30_.mp4

x4_city_07_30_.mp4

x6_029.mp4

Prerequisites

Python >= 3.8, PyTorch == 1.13.0 (Perhaps >=1.8.0 is also OK), CUDA 11.7
Requirements: opencv-python, numpy, matplotlib, imageio, scikit-image, thop, tqdm, cupy(cupy-cuda117), mmcv-full=1.6.2

Datasets

Please download the RS-GOPRO datasets from REDS (Type: Sharp) and Vid4.

Dataset Organization Form

|--REDS
    |--train
        |--train_sharp  
            |--video 1
                |--frame 1
                |--frame 2
                    ：
            |--video 2
                :
            |--video n
    |--val
        |--val_sharp
            |--video 1
                |--frame 1
                |--frame 2
                    ：
            |--video 2
             :
            |--video n

|--Vid4
    |--video 1
        |--frame 1
        |--frame 2
            ：
    |--video 2
        :
    |--video n

Download Pre-trained Model

Please download the pre-trained model from BaiduDisk(password:47q3) or GoogleDrive. Please put the models to ./. Our results on REDS and Vid4 can also be downloaded from BaiduDisk(password:rkf7) and BaiduDisk(password:6gv9).

Getting Started

1) Testing

Processing the entire video frames:

bash test_sequence.sh

Please change --data_path according to yours.

Processing frame by frame :

bash test.sh

Please change --data_path according to yours.

Processing other datasets without GT:

python test_seq_yours.py --data_path  /your/data/path/  --model_path   /your/model/path/  --result_path  /your/result/path/   --space_scale "4,4"  --max_patch  256

space_scale currently only supports integers, and there may be some issues with non-integers. max_patch represents the size of the crop patch, which can be reduced if GPU memory is still insufficient.

2) Training

Training ST-AVSR from scratch.

We use an NVIDIA RTX A6000 (48GB) for training. Please adjust the batch_size and test{'n_seq'} in options based on your GPU memory.

python -m torch.distributed.launch --nproc_per_node=1 --master_port=1234 train.py --opt options/train_refsrrnn_cuf_siren_adists_only_future_t2.json --dist True

Please change gpu_ids, path{'root', 'images'}, and data_root in options according to yours.

Train B-AVSR first, then fine-tune ST-AVSR based on B-AVSR.

We use an NVIDIA RTX A6000 (48GB) for training. Please adjust the batch_size and test{'n_seq'} in options based on your GPU memory.

python -m torch.distributed.launch --nproc_per_node=1 --master_port=1234 train.py --opt options/train_refsrrnn_cuf_siren.json --dist True

Please change gpu_ids, path{'root', 'images'}, and data_root in options according to yours.

python -m torch.distributed.launch --nproc_per_node=1 --master_port=1234 train.py --opt options/train_refsrrnn_cuf_siren_adists_only_future_t2.json --dist True

Please change gpu_ids, path{'root', 'images', 'pretrained_netG'}, and data_root in options according to yours.

Note: If ‘out of memory’ occurs during the validation, please adjust the appropriate sequence length test{'n_seq'}. The code of validation is implemented by processing the entire video sequence.

Cite

If you use any part of our code, or ST-AVSR is useful for your research, please consider citing:

@inproceedings{shang2024arbitrary,
  title={Arbitrary-Scale Video Super-Resolution with Structural and Textural Priors},
  author={Shang, Wei and Ren, Dongwei and Zhang, Wanying and Fang, Yuming and Zuo, Wangmeng and Ma, Kede},
  booktitle={European Conference on Computer Vision},
  pages={73--90},
  year={2024},
  organization={Springer}
}

Contact

If you have any questions, please contact csweishang@gmail.com.

License

shangwei5/ST-AVSR

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