added table entry for resnet50 model results

official/vision/beta/projects/panoptic_maskrcnn/README.md

@@ -83,6 +83,11 @@ ResNet-50    | 3x           | `panoptic_fpn_coco`         | 40.64   |   36.29
 
 **Note**: Here 1x schedule refers to ~12 epochs
 
+### Panoptic Deeplab
+Backbone             | Experiment name                 | Overall PQ | Things PQ | Stuff PQ | Checkpoints
+:--------------------| :-------------------------------| ---------- | --------- | -------- | ------------:
+Dilated ResNet-50    | `panoptic_deeplab_resnet_coco`  |   36.80    |  37.51    |  35.73   | [ckpt](gs://tf_model_garden/vision/panoptic/panoptic_deeplab_resnet50)
+
 ___
 ## Citation
 ```
@@ -94,4 +99,12 @@ ___
       archivePrefix={arXiv},
       primaryClass={cs.CV}
 }
+
+@article{Cheng2020PanopticDeepLabAS,
+  title={Panoptic-DeepLab: A Simple, Strong, and Fast Baseline for Bottom-Up Panoptic Segmentation},
+  author={Bowen Cheng and Maxwell D. Collins and Yukun Zhu and Ting Liu and Thomas S. Huang and Hartwig Adam and Liang-Chieh Chen},
+  journal={2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
+  year={2020},
+  pages={12472-12482}
+}
 ```