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xiliu8006 committed Jul 1, 2021
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Expand Up @@ -6,11 +6,11 @@ This document provides detailed descriptions of the BC-breaking changes in MMDet

### Unified parameter initialization

To unify the parameter initialization in OpenMMLab projects, MMCV supports `BaseModule` that accepts `init_cfg` to allow the modules' parameters initialized in a flexible and unified manner. Now the users need to explicitly call `model.init_weights()` in the training script to initialize the model (as in [here](https://github.com/open-mmlab/mmdetection3d/blob/master/tools/train.py#L183), previously this was handled by the detector. Please refer to PR #378 for details.
To unify the parameter initialization in OpenMMLab projects, MMCV supports `BaseModule` that accepts `init_cfg` to allow the modules' parameters initialized in a flexible and unified manner. Now the users need to explicitly call `model.init_weights()` in the training script to initialize the model (as in [here](https://github.com/open-mmlab/mmdetection3d/blob/master/tools/train.py#L183), previously this was handled by the detector. Please refer to PR #622 for details.

### BackgroundPointsFilter

We modified the dataset aumentation function `BackgroundPointsFilter`(in [here](https://github.com/open-mmlab/mmdetection3d/blob/mmdet3d/datasets/pipelines/transforms_3d.py#L1101)). In previous version of MMdetection3D, `BackgroundPointsFilter` changes the gt_bboxes_3d's bottom center to the gravity center. In MMDetection3D 0.14.0,
We modified the dataset aumentation function `BackgroundPointsFilter`(in [here](https://github.com/open-mmlab/mmdetection3d/blob/mmdet3d/datasets/pipelines/transforms_3d.py#L1101)). In previous version of MMdetection3D, `BackgroundPointsFilter` changes the gt_bboxes_3d's bottom center to the gravity center. In MMDetection3D 0.15.0,
`BackgroundPointsFilter` will not change it. Please refer to PR #609 for details.

### Enhance `IndoorPatchPointSample` transform
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