Merge branch 'open-mmlab:master' into master

README.md

@@ -9,6 +9,7 @@ It is also the official code release of [`[PointRCNN]`](https://arxiv.org/abs/18
 **Highlights**: 
 * `OpenPCDet` has been updated to `v0.6.0` (Sep. 2022).
 * The codes of PV-RCNN++ has been supported.
+* The codes of MPPNet has been supported. 
 
 ## Overview
 - [Changelog](#changelog)
@@ -182,6 +183,11 @@ Here we also provide the performance of several models trained on the full train
 | [PV-RCNN (CenterHead)](tools/cfgs/waymo_models/pv_rcnn_with_centerhead_rpn.yaml) | 78.00/77.50 | 69.43/68.98 | 79.21/73.03 | 70.42/64.72 | 71.46/70.27 | 68.95/67.79 |
 | [PV-RCNN++](tools/cfgs/waymo_models/pv_rcnn_plusplus.yaml) | 79.10/78.63 | 70.34/69.91 | 80.62/74.62 | 71.86/66.30 | 73.49/72.38 | 70.70/69.62 |
 | [PV-RCNN++ (ResNet)](tools/cfgs/waymo_models/pv_rcnn_plusplus_resnet.yaml) | 79.25/78.78 | 70.61/70.18 | 81.83/76.28 | 73.17/68.00 | 73.72/72.66 | 71.21/70.19 |
+| [PV-RCNN++ (ResNet, 2 frames)](tools/cfgs/waymo_models/pv_rcnn_plusplus_resnet_2frames.yaml) | 80.17/79.70 | 72.14/71.70 | 83.48/80.42 | 75.54/72.61 | 74.63/73.75 | 72.35/71.50 |
+| [MPPNet (4 frames)](docs/guidelines_of_approaches/mppnet.md) | 81.54/81.06 | 74.07/73.61 | 84.56/81.94 | 77.20/74.67 | 77.15/76.50 | 75.01/74.38 |
+| [MPPNet (16 frames)](docs/guidelines_of_approaches/mppnet.md) | 82.74/82.28 | 75.41/74.96 | 84.69/82.25 | 77.43/75.06 | 77.28/76.66 | 75.13/74.52 |
+
+