TODO: Prepare model zoo and some model introduction.

References below are really meant for reference when writing the doc.
Please remove the references once ready.

References:

* https://github.com/tensorflow/models/blob/master/research/deeplab/g3doc/model_zoo.md
* https://github.com/tensorflow/models/blob/master/research/object_detection/g3doc/tf2_detection_zoo.md

## Citing ViP-DeepLab

If you find this code helpful in your research or wish to refer to the baseline
results, please use the following BibTeX entry.

* ViP-DeepLab:

```
@inproceedings{vip_deeplab_2021,
  author={Siyuan Qiao and Yukun Zhu and Hartwig Adam and Alan Yuille and Liang-Chieh Chen},
  title={{ViP-DeepLab}: Learning Visual Perception with Depth-aware Video Panoptic Segmentation},
  booktitle={CVPR},
  year={2021}
}

```

* Panoptic-DeepLab:

```
@inproceedings{panoptic_deeplab_2020,
  author={Bowen Cheng and Maxwell D Collins and Yukun Zhu and Ting Liu and Thomas S Huang and Hartwig Adam and Liang-Chieh Chen},
  title={{Panoptic-DeepLab}: A Simple, Strong, and Fast Baseline for Bottom-Up Panoptic Segmentation},
  booktitle={CVPR},
  year={2020}
}

```

### References
Add some related works if any