add mv3_small centernet config (#4700)

configs/centernet/README.md

@@ -21,7 +21,7 @@ English | [简体中文](README_cn.md)
 | DLA-34         | 512x512 |  37.6  |     -   | [model](https://bj.bcebos.com/v1/paddledet/models/centernet_dla34_140e_coco.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_dla34_140e_coco.yml) |
 | ResNet50 + DLAUp  | 512x512 |  38.9  |     -   | [model](https://bj.bcebos.com/v1/paddledet/models/centernet_r50_140e_coco.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_r50_140e_coco.yml) |
 | MobileNetV1_1x + DLAUp  | 512x512 |  28.2  |     -   | [model](https://paddledet.bj.bcebos.com/models/centernet_mbv1_x1_0_140e_coco.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_mbv1_1x_140e_coco.yml) |
-| MobileNetV3_small_x1_0 + DLAUp  | 512x512 |  comming soon  |     -   | comming soon | comming soon |
+| MobileNetV3_small_x1_0 + DLAUp  | 512x512 | 17  |     -   | [model](https://paddledet.bj.bcebos.com/models/centernet_mbv3_small_1x_140e_coco.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_mbv3_small_1x_140e_coco.yml) |
 | MobileNetV3_large_x1_0 + DLAUp  | 512x512 |  27.1  |     -   | [model](https://paddledet.bj.bcebos.com/models/centernet_mbv3_large_x1_0_140e_coco.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_mbv3_large_1x_140e_coco.yml) |
 | ShuffleNetV2_x1_0 + DLAUp  | 512x512 | 23.8  |     -   | [model](https://paddledet.bj.bcebos.com/models/centernet_shufflenetv2_1x_140e_coco.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_shufflenetv2_1x_140e_coco.yml) |
 

configs/centernet/README_cn.md

@@ -21,7 +21,7 @@
 | DLA-34         | 512x512 |  37.6  |     -   | [下载链接](https://bj.bcebos.com/v1/paddledet/models/centernet_dla34_140e_coco.pdparams) | [配置文件](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_dla34_140e_coco.yml) |
 | ResNet50 + DLAUp  | 512x512 |  38.9  |     -   | [下载链接](https://bj.bcebos.com/v1/paddledet/models/centernet_r50_140e_coco.pdparams) | [配置文件](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_r50_140e_coco.yml) |
 | MobileNetV1_1x + DLAUp  | 512x512 |  28.2  |     -   | [下载链接](https://paddledet.bj.bcebos.com/models/centernet_mbv1_x1_0_140e_coco.pdparams) | [配置文件](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_mbv1_1x_140e_coco.yml) |
-| MobileNetV3_small_x1_0 + DLAUp  | 512x512 |  comming soon  |     -   | comming soon | comming soon |
+| MobileNetV3_small_x1_0 + DLAUp  | 512x512 | 17  |     -   | [下载链接](https://paddledet.bj.bcebos.com/models/centernet_mbv3_small_1x_140e_coco.pdparams) | [配置文件](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_mbv3_small_1x_140e_coco.yml) |
 | MobileNetV3_large_x1_0 + DLAUp  | 512x512 |  27.1  |     -   | [下载链接](https://paddledet.bj.bcebos.com/models/centernet_mbv3_large_x1_0_140e_coco.pdparams) | [配置文件](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_mbv3_large_1x_140e_coco.yml) |
 | ShuffleNetV2_x1_0 + DLAUp  | 512x512 | 23.8  |     -   | [下载链接](https://paddledet.bj.bcebos.com/models/centernet_shufflenetv2_1x_140e_coco.pdparams) | [配置文件](https://github.com/PaddlePaddle/PaddleDetection/tree/develop/configs/centernet/centernet_shufflenetv2_1x_140e_coco.yml) |
 

configs/centernet/centernet_mbv3_small_1x_140e_coco.yml

+_BASE_: [
+  'centernet_r50_140e_coco.yml'
+]
+
+pretrain_weights: https://paddledet.bj.bcebos.com/models/pretrained/MobileNetV3_small_x1_0_ssld_pretrained.pdparams
+weights: output/centernet_mbv3_small_1x_140e_coco/model_final
+
+CenterNet:
+  backbone: MobileNetV3
+  neck: CenterNetDLAFPN
+  head: CenterNetHead
+  post_process: CenterNetPostProcess
+
+MobileNetV3:
+  model_name: small
+  scale: 1.
+  with_extra_blocks: false
+  extra_block_filters: []
+  feature_maps: [4, 9, 12]
+
+CenterNetDLAFPN:
+  first_level: 0
+  last_level: 3
+  down_ratio: 8
+  dcn_v2: False
+
+
+TrainReader:
+  batch_size: 32