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+<!-- ## **HunyuanDiT** -->
+<!-- [[Technical Report]()] &emsp; [[Project Page]()] &emsp; [[Model Card]()] <br>
+
+[[🤗 Demo (Realistic)]()] &emsp;  -->
+<p align="center">
+  <img src="./asset/logo.png"  height=100>
+</p>
+
+<div align="center" style="font-size: 30px;font-weight: bold;">Hunyuan-DiT : A Powerful Multi-Resolution Diffusion Transformer with Fine-Grained Chinese Understanding</div>
+
+<div align="center">
+  <a href="https://github.com/Tencent/HunyuanDiT"><img src="https://img.shields.io/static/v1?label=Hunyuan-DiT Code&message=Github&color=blue&logo=github-pages"></a> &ensp;
+  <a href="https://dit.hunyuan.tencent.com"><img src="https://img.shields.io/static/v1?label=Project%20Page&message=Github&color=blue&logo=github-pages"></a> &ensp;
+  <a href="https://arxiv.org/abs/"><img src="https://img.shields.io/static/v1?label=Paper&message=Arxiv:HunYuan-DiT&color=red&logo=arxiv"></a> &ensp;
+  <a href="https://arxiv.org/abs/2403.08857"><img src="https://img.shields.io/static/v1?label=Paper&message=Arxiv:DialogGen&color=red&logo=arxiv"></a> &ensp;
+  <a href="https://huggingface.co/Tencent-Hunyuan/Hunyuan-DiT"><img src="https://img.shields.io/static/v1?label=Hunyuan-DiT&message=HuggingFace&color=yellow"></a> &ensp;
+
+</div>
+
+
+<!-- ## Contents
+* [Dependencies and Installation](#-Dependencies-and-Installation)
+* [Inference](#-Inference)
+* [Download Models](#-download-models)
+
+* [Acknowledgement](#acknowledgements)
+* [Citation](#bibtex) -->
+
+# **Abstract**
+
+We present Hunyuan-DiT, a text-to-image diffusion transformer with fine-grained understanding of both English and Chinese. To construct Hunyuan-DiT, we carefully designed the transformer structure, text encoder, and positional encoding. We also build from scratch a whole data pipeline to update and evaluate data for iterative model optimization. For fine-grained language understanding, we train a Multimodal Large Language Model to refine the captions of the images. Finally, Hunyuan-DiT can perform multi-round multi-modal dialogue with users, generating and refining images according to the context.
+Through our carefully designed holistic human evaluation protocol with more than 50 professional human evaluators, Hunyuan-DiT sets a new state-of-the-art in Chinese-to-image generation compared with other open-source models.
+
+
+# **Hunyuan-DiT Key Features**
+## **Chinese-English Bilingual DiT Architecture**
+We propose HunyuanDiT, a text-to-image generation model based on Diffusion transformer with fine-grained understanding of Chinese and English. In order to build Hunyuan DiT, we carefully designed the Transformer structure, text encoder and positional encoding. We also built a complete data pipeline from scratch to update and evaluate data to help model optimization iterations. To achieve fine-grained text understanding, we train a multi-modal large language model to optimize text descriptions of images. Ultimately, Hunyuan DiT is able to conduct multiple rounds of dialogue with users, generating and improving images based on context.
+<p align="center">
+  <img src="./asset/framework.png"  height=500>
+</p>
+
+## **Multi-turn Text2Image Generation**
+Understanding natural language instructions and performing multi-turn interaction with users are important for a
+text-to-image system. It can help build a dynamic and iterative creation process that bring the user’s idea into reality
+step by step. In this section, we will detail how we empower Hunyuan-DiT with the ability to perform multi-round
+conversations and image generation. We train MLLM to understand the multi-round user dialogue
+and output the new text prompt for image generation.
+<p align="center">
+  <img src="./asset/mllm.png"  height=300>
+</p>
+
+## **Comparisons**
+In order to comprehensively compare the generation capabilities of HunyuanDiT and other models, we constructed a 4-dimensional test set, including Text-Image Consistency, Excluding AI Artifacts, Subject Clarity, Aesthetic. More than 50 professional evaluators performs the evaluation.
+
+<p align="center">
+<table> 
+<thead> 
+<tr> 
+    <th rowspan="2">Type</th> <th rowspan="2">Model</th> <th>Text-Image Consistency (%)</th> <th>Excluding AI Artifacts (%)</th> <th>Subject Clarity (%)</th> <th rowspan="2">Aesthetics (%)</th> <th rowspan="2">Overall (%)</th> 
+</tr> 
+</thead> 
+<tbody> 
+<tr> 
+    <td rowspan="3">Open Source</td> 
+    <td>SDXL</td> <td>64.3</td> <td>60.6</td> <td>91.1</td> <td>76.3</td> <td>42.7</td> 
+</tr> 
+<tr> 
+    <td>Playground 2.5</td> <td>71.9</td> <td>70.8</td> <td>94.9</td> <td>83.3</td> <td>54.3</td> 
+</tr> 
+<tr style="font-weight: bold; background-color: #f2f2f2;"> <td>Hunyuan-DiT</td> <td>74.2</td> <td>74.3</td> <td>95.4</td> <td>86.6</td> <td>59.0</td> </tr>
+<tr> 
+    <td rowspan="3">Closed Source</td> 
+    <td>SD 3</td> <td>77.1</td> <td>69.3</td> <td>94.6</td> <td>82.5</td> <td>56.7</td> 
+    
+</tr> 
+<tr> 
+    <td>MidJourney v6</td> <td>73.5</td> <td>80.2</td> <td>93.5</td> <td>87.2</td> <td>63.3</td> 
+</tr> 
+<tr> 
+    <td>DALL-E 3</td> <td>83.9</td> <td>80.3</td> <td>96.5</td> <td>89.4</td> <td>71.0</td> 
+</tr> 
+</table> 
+</p>
+
+## **Visualization**
+
+* **Chinese Elements**
+<p align="center">
+  <img src="./asset/chinese elements understanding.png"  height=280>
+</p>
+
+* **Long Text Input**
+
+
+<p align="center">
+  <img src="./asset/long text understanding.png"  height=900>
+  <figcaption>Comparison between Hunyuan-DiT and other text-to-image models. The image with the highest resolution on the far left is the result of Hunyuan-Dit. The others, from top left to bottom right, are as follows: Dalle3, Midjourney v6, SD3, Playground 2.5, PixArt, SDXL, Baidu Yige, WanXiang.
+</p>
+
+* **Multi-turn Text2Image Generation**
+<p align="center">
+  <a href="https://prc-videoframe-pub-1258344703.cos.ap-guangzhou.myqcloud.com/ad_creative_engine/projectpage/1deab38689342431e63606e01e16961c.mov">
+      <img src="./asset/cover.png" alt="Watch the video" height="800">
+  </a>
+</p>
+
+# **Dependencies and Installation**
+Ensure your machine is equipped with a GPU having over 20GB of memory.
+
+Begin by cloning the repository:
+```bash
+git clone https://github.com/tencent/HunyuanDiT
+cd HunyuanDiT
+```
+We provide an `environment.yml` file for setting up a Conda environment.
+
+
+Installation instructions for Conda are available [here](https://docs.anaconda.com/free/miniconda/index.html).
+
+```shell
+# Prepare conda environment
+conda env create -f environment.yml
+
+# Activate the environment
+conda activate HunyuanDiT
+
+# Install pip dependencies
+python -m pip install -r requirements.txt
+
+# Install flash attention v2 (for acceleration, requires CUDA 11.6 or above)
+python -m pip install git+https://github.com/Dao-AILab/[email protected]
+```
+
+# **Download Models**
+To download the model, first install the huggingface-cli. Installation instructions are available [here](https://huggingface.co/docs/huggingface_hub/guides/cli):
+
+```sh
+# Create a directory named 'ckpts' where the model will be saved, fulfilling the prerequisites for running the demo.
+mkdir ckpts
+# Use the huggingface-cli tool to download the model.
+# The download time may vary from 10 minutes to 1 hour depending on network conditions.
+huggingface-cli download Tencent-Hunyuan/HunyuanDiT --local-dir ./ckpts
+```
+<!-- For more information about the model, visit the Hugging Face repository [here](https://huggingface.co/Tencent-Hunyuan/HunyuanDiT). -->
+
+
+All models will be automatically downloaded. For more information about the model, visit the Hugging Face repository [here](https://huggingface.co/Tencent-Hunyuan/HunyuanDiT).
+
+| Model                       | #Params | url|
+|:-----------------|:--------|:--------------|
+|mT5 | xxB | [mT5](https://huggingface.co/Tencent-Hunyuan/HunyuanDiT/tree/main/t2i/mt5)|
+| CLIP | xxB    | [CLIP](https://huggingface.co/Tencent-Hunyuan/HunyuanDiT/tree/main/t2i/clip_text_encoder)|
+| DialogGen | 7B    | [DialogGen](https://huggingface.co/Tencent-Hunyuan/HunyuanDiT/tree/main/dialoggen)|
+| sdxl-vae-fp16-fix | xxB  | [sdxl-vae-fp16-fix](https://huggingface.co/Tencent-Hunyuan/HunyuanDiT/tree/main/t2i/sdxl-vae-fp16-fix)|
+| Hunyuan-DiT | xxB | [Hunyuan-DiT](https://huggingface.co/Tencent-Hunyuan/HunyuanDiT/tree/main/t2i/model)|
+
+
+
+# **Inference**
+```bash
+# prompt-enhancement + text2image, torch mode
+python sample_t2i.py --prompt "渔舟唱晚"
+
+# close prompt enhancement, torch mode
+python sample_t2i.py --prompt "渔舟唱晚" --no-enhance
+
+# close prompt enhancement, flash attention mode
+python sample_t2i.py --infer-mode fa --prompt "渔舟唱晚"
+```
+more example prompts can be found in [example_prompts.txt](example_prompts.txt)
+
+Note: 20G GPU memory is used for sampling in single GPU
+
+
+<!-- # **To-Do List**
+
+- [x] Inference code
+- [ ] Provide Tensorrt engine -->
+
+
+
+
+
+# **BibTeX**
+If you find Hunyuan-DiT useful for your research and applications, please cite using this BibTeX:
+
+```BibTeX
+@inproceedings{,
+  title={},
+  author={},
+  booktitle={},
+  year={2024}
+}
+```