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	# VGen


	![figure1](source/VGen.jpg "figure1")

	VGen is an open-source video synthesis codebase developed by the Tongyi Lab of Alibaba Group, featuring state-of-the-art video generative models. This repository includes implementations of the following methods:


	- [I2VGen-xl: High-quality image-to-video synthesis via cascaded diffusion models](https://i2vgen-xl.github.io/)
	- [VideoComposer: Compositional Video Synthesis with Motion Controllability](https://videocomposer.github.io/)
	- [Hierarchical Spatio-temporal Decoupling for Text-to-Video Generation](https://higen-t2v.github.io/)
	- [A Recipe for Scaling up Text-to-Video Generation with Text-free Videos]()
	- [InstructVideo: Instructing Video Diffusion Models with Human Feedback]()
	- [DreamVideo: Composing Your Dream Videos with Customized Subject and Motion](https://dreamvideo-t2v.github.io/)
	- [VideoLCM: Video Latent Consistency Model](https://arxiv.org/abs/2312.09109)
	- [Modelscope text-to-video technical report](https://arxiv.org/abs/2308.06571)


	VGen can produce high-quality videos from the input text, images, desired motion, desired subjects, and even the feedback signals provided. It also offers a variety of commonly used video generation tools such as visualization, sampling, training, inference, join training using images and videos, acceleration, and more.


	<a href='https://i2vgen-xl.github.io/'><img src='https://img.shields.io/badge/Project-Page-Green'></a> <a href='https://arxiv.org/abs/2311.04145'><img src='https://img.shields.io/badge/Paper-Arxiv-red'></a> [![YouTube](https://badges.aleen42.com/src/youtube.svg)](https://youtu.be/XUi0y7dxqEQ) <a href='https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/441039979087.mp4'><img src='source/logo.png'></a>


	## 🔥News!!!
	- __[2023.12]__ We release the high-efficiency video generation method [VideoLCM](https://arxiv.org/abs/2312.09109)
	- __[2023.12]__ We release the code and model of I2VGen-XL and the ModelScope T2V
	- __[2023.12]__ We release the T2V method [HiGen](https://higen-t2v.github.io) and customizing T2V method [DreamVideo](https://dreamvideo-t2v.github.io).
	- __[2023.12]__ We write an [introduction docment](doc/introduction.pdf) for VGen and compare I2VGen-XL with SVD.
	- __[2023.11]__ We release a high-quality I2VGen-XL model, please refer to the [Webpage](https://i2vgen-xl.github.io)


	## TODO
	- [x] Release the technical papers and webpage of [I2VGen-XL](doc/i2vgen-xl.md)
	- [x] Release the code and pretrained models that can generate 1280x720 videos
	- [ ] Release models optimized specifically for the human body and faces
	- [ ] Updated version can fully maintain the ID and capture large and accurate motions simultaneously
	- [ ] Release other methods and the corresponding models


	## Preparation

	The main features of VGen are as follows:
	- Expandability, allowing for easy management of your own experiments.
	- Completeness, encompassing all common components for video generation.
	- Excellent performance, featuring powerful pre-trained models in multiple tasks.


	### Installation

	```
	conda create -n vgen python=3.8
	conda activate vgen
	pip install torch==1.12.0+cu113 torchvision==0.13.0+cu113 torchaudio==0.12.0 --extra-index-url https://download.pytorch.org/whl/cu113
	pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
	```

	### Datasets

	We have provided a demo dataset that includes images and videos, along with their lists in ``data``.

	Please note that the demo images used here are for testing purposes and were not included in the training.


	### Clone codeb

	```
	git clone https://github.com/damo-vilab/i2vgen-xl.git
	cd i2vgen-xl
	```


	## Getting Started with VGen

	### (1) Train your text-to-video model


	Executing the following command to enable distributed training is as easy as that.
	```
	python train_net.py --cfg configs/t2v_train.yaml
	```

	In the `t2v_train.yaml` configuration file, you can specify the data, adjust the video-to-image ratio using `frame_lens`, and validate your ideas with different Diffusion settings, and so on.

	- Before the training, you can download any of our open-source models for initialization. Our codebase supports custom initialization and `grad_scale` settings, all of which are included in the `Pretrain` item in yaml file.
	- During the training, you can view the saved models and intermediate inference results in the `workspace/experiments/t2v_train`directory.

	After the training is completed, you can perform inference on the model using the following command.
	```
	python inference.py --cfg configs/t2v_infer.yaml
	```
	Then you can find the videos you generated in the `workspace/experiments/test_img_01` directory. For specific configurations such as data, models, seed, etc., please refer to the `t2v_infer.yaml` file.

	<!-- <table>
	<center>
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	<td ><center>
	<video muted="true" autoplay="true" loop="true" height="260" src="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/441754174077.mp4"></video>
	</center></td>
	<td ><center>
	<video muted="true" autoplay="true" loop="true" height="260" src="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/441138824052.mp4"></video>
	</center></td>
	</tr>
	</center>
	</table>
	</center> -->

	<table>
	<center>
	<tr>
	<td ><center>
	<image height="260" src="https://img.alicdn.com/imgextra/i4/O1CN01Ya2I5I25utrJwJ9Jf_!!6000000007587-2-tps-1280-720.png"></image>
	</center></td>
	<td ><center>
	<image height="260" src="https://img.alicdn.com/imgextra/i3/O1CN01CrmYaz1zXBetmg3dd_!!6000000006723-2-tps-1280-720.png"></image>
	</center></td>
	</tr>
	<tr>
	<td ><center>
	<p>Clike <a href="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/441754174077.mp4">HRER</a> to view the generated video.</p>
	</center></td>
	<td ><center>
	<p>Clike <a href="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/441138824052.mp4">HRER</a> to view the generated video.</p>
	</center></td>
	</tr>
	</center>
	</table>
	</center>


	### (2) Run the I2VGen-XL model

	(i) Download model and test data:
	```
	!pip install modelscope
	from modelscope.hub.snapshot_download import snapshot_download
	model_dir = snapshot_download('damo/I2VGen-XL', cache_dir='models/', revision='v1.0.0')
	```

	(ii) Run the following command:
	```
	python inference.py --cfg configs/i2vgen_xl_infer.yaml
	```
	In a few minutes, you can retrieve the high-definition video you wish to create from the `workspace/experiments/test_img_01` directory. At present, we find that the current model performs inadequately on anime images and images with a black background due to the lack of relevant training data. We are consistently working to optimize it.


	<span style="color:red">Due to the compression of our video quality in GIF format, please click 'HRER' below to view the original video.</span>

	<center>
	<table>
	<center>
	<tr>
	<td ><center>
	<image height="260" src="https://img.alicdn.com/imgextra/i1/O1CN01CCEq7K1ZeLpNQqrWu_!!6000000003219-0-tps-1280-720.jpg"></image>
	</center></td>
	<td ><center>
	<!-- <video muted="true" autoplay="true" loop="true" height="260" src="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/442125067544.mp4"></video> -->
	<image height="260" src="https://img.alicdn.com/imgextra/i4/O1CN01hIQcvG1spmQMLqBo0_!!6000000005816-1-tps-1280-704.gif"></image>
	</center></td>
	</tr>
	<tr>
	<td ><center>
	<p>Input Image</p>
	</center></td>
	<td ><center>
	<p>Clike <a href="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/442125067544.mp4">HRER</a> to view the generated video.</p>
	</center></td>
	</tr>
	<tr>
	<td ><center>
	<image height="260" src="https://img.alicdn.com/imgextra/i4/O1CN01ZXY7UN23K8q4oQ3uG_!!6000000007236-2-tps-1280-720.png"></image>
	</center></td>
	<td ><center>
	<!-- <video muted="true" autoplay="true" loop="true" height="260" src="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/441385957074.mp4"></video> -->
	<image height="260" src="https://img.alicdn.com/imgextra/i1/O1CN01iaSiiv1aJZURUEY53_!!6000000003309-1-tps-1280-704.gif"></image>
	</center></td>
	</tr>
	<tr>
	<td ><center>
	<p>Input Image</p>
	</center></td>
	<td ><center>
	<p>Clike <a href="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/441385957074.mp4">HRER</a> to view the generated video.</p>
	</center></td>
	</tr>
	<tr>
	<td ><center>
	<image height="260" src="https://img.alicdn.com/imgextra/i3/O1CN01NHpVGl1oat4H54Hjf_!!6000000005242-2-tps-1280-720.png"></image>
	</center></td>
	<td ><center>
	<!-- <video muted="true" autoplay="true" loop="true" height="260" src="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/442102706767.mp4"></video> -->
	<!-- <image muted="true" height="260" src="https://img.alicdn.com/imgextra/i4/O1CN01DgLj1T240jfpzKoaQ_!!6000000007329-1-tps-1280-704.gif"></image>
	-->
	<image height="260" src="https://img.alicdn.com/imgextra/i4/O1CN01DgLj1T240jfpzKoaQ_!!6000000007329-1-tps-1280-704.gif"></image>
	</center></td>
	</tr>
	<tr>
	<td ><center>
	<p>Input Image</p>
	</center></td>
	<td ><center>
	<p>Clike <a href="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/442102706767.mp4">HRER</a> to view the generated video.</p>
	</center></td>
	</tr>
	<tr>
	<td ><center>
	<image height="260" src="https://img.alicdn.com/imgextra/i1/O1CN01odS61s1WW9tXen21S_!!6000000002795-0-tps-1280-720.jpg"></image>
	</center></td>
	<td ><center>
	<!-- <video muted="true" autoplay="true" loop="true" height="260" src="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/442163934688.mp4"></video> -->
	<image height="260" src="https://img.alicdn.com/imgextra/i3/O1CN01Jyk1HT28JkZtpAtY6_!!6000000007912-1-tps-1280-704.gif"></image>
	</center></td>
	</tr>
	<tr>
	<td ><center>
	<p>Input Image</p>
	</center></td>
	<td ><center>
	<p>Clike <a href="https://cloud.video.taobao.com/play/u/null/p/1/e/6/t/1/442163934688.mp4">HRER</a> to view the generated video.</p>
	</center></td>
	</tr>
	</center>
	</table>
	</center>

	### (3) Other methods

	In preparation.


	## Customize your own approach

	Our codebase essentially supports all the commonly used components in video generation. You can manage your experiments flexibly by adding corresponding registration classes, including `ENGINE, MODEL, DATASETS, EMBEDDER, AUTO_ENCODER, DISTRIBUTION, VISUAL, DIFFUSION, PRETRAIN`, and can be compatible with all our open-source algorithms according to your own needs. If you have any questions, feel free to give us your feedback at any time.



	## BibTeX

	If this repo is useful to you, please cite our corresponding technical paper.


	```bibtex
	@article{2023i2vgenxl,
	title={I2VGen-XL: High-Quality Image-to-Video Synthesis via Cascaded Diffusion Models},
	author={Zhang, Shiwei and Wang, Jiayu and Zhang, Yingya and Zhao, Kang and Yuan, Hangjie and Qing, Zhiwu and Wang, Xiang and Zhao, Deli and Zhou, Jingren},
	booktitle={arXiv preprint arXiv:2311.04145},
	year={2023}
	}
	@article{2023videocomposer,
	title={VideoComposer: Compositional Video Synthesis with Motion Controllability},
	author={Wang, Xiang and Yuan, Hangjie and Zhang, Shiwei and Chen, Dayou and Wang, Jiuniu, and Zhang, Yingya, and Shen, Yujun, and Zhao, Deli and Zhou, Jingren},
	booktitle={arXiv preprint arXiv:2306.02018},
	year={2023}
	}
	@article{wang2023modelscope,
	title={Modelscope text-to-video technical report},
	author={Wang, Jiuniu and Yuan, Hangjie and Chen, Dayou and Zhang, Yingya and Wang, Xiang and Zhang, Shiwei},
	journal={arXiv preprint arXiv:2308.06571},
	year={2023}
	}
	@article{dreamvideo,
	title={DreamVideo: Composing Your Dream Videos with Customized Subject and Motion},
	author={Wei, Yujie and Zhang, Shiwei and Qing, Zhiwu and Yuan, Hangjie and Liu, Zhiheng and Liu, Yu and Zhang, Yingya and Zhou, Jingren and Shan, Hongming},
	journal={arXiv preprint arXiv:2312.04433},
	year={2023}
	}
	@article{qing2023higen,
	title={Hierarchical Spatio-temporal Decoupling for Text-to-Video Generation},
	author={Qing, Zhiwu and Zhang, Shiwei and Wang, Jiayu and Wang, Xiang and Wei, Yujie and Zhang, Yingya and Gao, Changxin and Sang, Nong },
	journal={arXiv preprint arXiv:2312.04483},
	year={2023}
	}
	@article{wang2023videolcm,
	title={VideoLCM: Video Latent Consistency Model},
	author={Wang, Xiang and Zhang, Shiwei and Zhang, Han and Liu, Yu and Zhang, Yingya and Gao, Changxin and Sang, Nong },
	journal={arXiv preprint arXiv:2312.09109},
	year={2023}
	}
	```

	## Disclaimer

	This open-source model is trained with using [WebVid-10M](https://m-bain.github.io/webvid-dataset/) and [LAION-400M](https://laion.ai/blog/laion-400-open-dataset/) datasets and is intended for <strong>RESEARCH/NON-COMMERCIAL USE ONLY</strong>.