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# Academic Project Page Template
This is an academic paper project page template.


Example project pages built using this template are:
- https://horwitz.ai/probex
- https://vision.huji.ac.il/probegen
- https://horwitz.ai/mother
- https://horwitz.ai/spectral_detuning
- https://vision.huji.ac.il/ladeda
- https://vision.huji.ac.il/dsire
- https://horwitz.ai/podd
- https://dreamix-video-editing.github.io
- https://horwitz.ai/conffusion
- https://horwitz.ai/3d_ads/
- https://vision.huji.ac.il/ssrl_ad
- https://vision.huji.ac.il/deepsim



## Start using the template
To start using the template click on `Use this Template`.

The template uses html for controlling the content and css for controlling the style.
To edit the websites contents edit the `index.html` file. It contains different HTML "building blocks", use whichever ones you need and comment out the rest.

**IMPORTANT!** Make sure to replace the `favicon.ico` under `static/images/` with one of your own, otherwise your favicon is going to be a dreambooth image of me.

## Components
- Teaser video
- Images Carousel
- Youtube embedding
- Video Carousel
- PDF Poster
- Bibtex citation

## Tips:
- The `index.html` file contains comments instructing you what to replace, you should follow these comments.
- The `meta` tags in the `index.html` file are used to provide metadata about your paper
(e.g. helping search engine index the website, showing a preview image when sharing the website, etc.)
- The resolution of images and videos can usually be around 1920-2048, there rarely a need for better resolution that take longer to load.
- All the images and videos you use should be compressed to allow for fast loading of the website (and thus better indexing by search engines). For images, you can use [TinyPNG](https://tinypng.com), for videos you can need to find the tradeoff between size and quality.
- When using large video files (larger than 10MB), it's better to use youtube for hosting the video as serving the video from the website can take time.
- Using a tracker can help you analyze the traffic and see where users came from. [statcounter](https://statcounter.com) is a free, easy to use tracker that takes under 5 minutes to set up.
- This project page can also be made into a github pages website.
- Replace the favicon to one of your choosing (the default one is of the Hebrew University).
- Suggestions, improvements and comments are welcome, simply open an issue or contact me. You can find my contact information at [https://horwitz.ai](https://horwitz.ai)
# CHUG: Crowdsourced User-Generated HDR Video Quality Dataset

![Dataset Banner](images/banner.png)

[![License: CC BY-NC 4.0](https://img.shields.io/badge/License-CC%20BY--NC%204.0-green)](https://creativecommons.org/licenses/by-nc/4.0/)
[![Download Dataset](https://img.shields.io/badge/Download-CHUG-blue)](https://utexas.box.com/v/chug-dataset)

## 📌 Overview
CHUG is the **first large-scale User-Generated HDR (UGC-HDR) video quality dataset**, filling a crucial gap in perceptual quality assessment. It features:

**5,992 videos** sourced from **856 UGC-HDR reference videos**
**Crowdsourced HDR videos**, ensuring real-world distortions
**Compression artifacts simulated** via a **bitrate ladder**
**211,848 subjective ratings** collected via **Amazon Mechanical Turk (AMT)**
**Balanced mix of portrait and landscape videos**

This dataset is a benchmark for **No-Reference (NR) HDR-VQA models** and **HDR quality assessment research**.

---

## 📂 Dataset Structure

CHUG_Dataset/
│── metadata/
│ ├── chug_videos.csv # Metadata file with video details (MOS, SI, TI, bitrate, resolution)
│ ├── subjective_scores.csv # Raw human ratings from AMT study
│── videos/
│ ├── 1080p_ref/ # Reference HDR videos
│ ├── 1080p_3Mbps/
│ ├── 720p_2Mbps/
│ ├── 360p_0.2Mbps/
│── example_videos/ # Sample videos from dataset
│── figures/
│ ├── si_ti_distribution.png
│ ├── mos_vs_resolution.png
│ ├── bitrate_vs_mos.png
│── README.md




---

## 🖥️ Sample Videos

🔗 [Example 1 (1080p Reference)](example_video_1.mp4)
🔗 [Example 2 (720p @ 2Mbps)](example_video_2.mp4)
🔗 [Example 3 (360p @ 0.2Mbps)](example_video_3.mp4)

---

## 📊 Key Findings from the Dataset

- **Higher resolutions & bitrates improve perceptual quality** 📈
- **UGC-HDR videos exhibit unique distortions, including banding and overexposure** 🌈
- **Landscape vs. Portrait orientation has minimal impact on MOS, though portrait is slightly favored** 📱
- **Compression artifacts degrade MOS significantly at low bitrates** ⚠️

For full analysis, check our **[paper](paper_link_here.pdf)**.

---

## 📝 How to Use the Dataset?

1. **Download the dataset** [here](https://utexas.box.com/v/chug-dataset).
2. **Extract the dataset** and explore metadata in `chug_videos.csv`.
4. **Benchmark your NR-HDR-VQA models** using CHUG.

---

## 📜 Citation

If you use CHUG in your research, please cite:

***COMING SOON***


## 📜 License
CHUG is released under a Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) License.


## 📬 Contact
For questions, reach out to:\
📧 ***NONE***

## Acknowledgments
Parts of this project page were adopted from the [Nerfies](https://nerfies.github.io/) page.
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