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# SlimDet模型库
在PaddleDetection, 提供了基于PaddleSlim进行模型压缩的完整教程和实验结果。详细教程请参考:
- [量化](https://github.com/PaddlePaddle/PaddleDetection/tree/release/0.4/slim/quantization)
- [裁剪](https://github.com/PaddlePaddle/PaddleDetection/tree/release/0.4/slim/prune)
- [蒸馏](https://github.com/PaddlePaddle/PaddleDetection/tree/release/0.4/slim/distillation)
- [搜索](https://github.com/PaddlePaddle/PaddleDetection/tree/release/0.4/slim/nas)
下面给出压缩的benchmark实验结果。
## 测试环境
- Python 2.7.1
- PaddlePaddle >=1.6
- CUDA 9.0
- cuDNN >=7.4
- NCCL 2.1.2
## 剪裁模型库
### 训练策略
- 剪裁模型训练时使用[PaddleDetection模型库](https://paddledetection.readthedocs.io/MODEL_ZOO_cn.html)发布的模型权重作为预训练权重。
- 剪裁训练使用模型默认配置,即除`pretrained_weights`外配置不变。
- 剪裁模型全部为基于敏感度的卷积通道剪裁。
- YOLOv3模型主要剪裁`yolo_head`部分,即剪裁参数如下。
```
--pruned_params="yolo_block.0.0.0.conv.weights,yolo_block.0.0.1.conv.weights,yolo_block.0.1.0.conv.weights,yolo_block.0.1.1.conv.weights,yolo_block.0.2.conv.weights,yolo_block.0.tip.conv.weights,yolo_block.1.0.0.conv.weights,yolo_block.1.0.1.conv.weights,yolo_block.1.1.0.conv.weights,yolo_block.1.1.1.conv.weights,yolo_block.1.2.conv.weights,yolo_block.1.tip.conv.weights,yolo_block.2.0.0.conv.weights,yolo_block.2.0.1.conv.weights,yolo_block.2.1.0.conv.weights,yolo_block.2.1.1.conv.weights,yolo_block.2.2.conv.weights,yolo_block.2.tip.conv.weights"
```
- YOLOv3模型剪裁中剪裁策略`r578`表示`yolo_head`中三个输出分支一次使用`0.5, 0.7, 0.8`的剪裁率剪裁,即剪裁率如下。
```
--pruned_ratios="0.5,0.5,0.5,0.5,0.5,0.5,0.7,0.7,0.7,0.7,0.7,0.7,0.8,0.8,0.8,0.8,0.8,0.8"
```
- YOLOv3模型剪裁中剪裁策略`sensity`表示`yolo_head`中各参数剪裁率如下,该剪裁率为使用`yolov3_mobilnet_v1`模型在COCO数据集上敏感度实验分析得出。
```
--pruned_ratios="0.1,0.2,0.2,0.2,0.2,0.1,0.2,0.3,0.3,0.3,0.2,0.1,0.3,0.4,0.4,0.4,0.4,0.3"
```
### YOLOv3 on COCO
| 骨架网络 | 剪裁策略 | GFLOPs | 模型体积(MB) | 输入尺寸 | Box AP | 下载 |
| :----------------| :-------: | :------------: | :-------------: | :------: | :--------: | :-----------------------------------------------------: |
| ResNet50-vd-dcn | baseline | 44.71 | 176.82 | 608 | 39.1 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_r50vd_dcn.tar) |
| ResNet50-vd-dcn | sensity | 37.53(-16.06%) | 149.49(-15.46%) | 608 | 39.8(+0.7) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_r50vd_dcn_prune1x.tar) |
| ResNet50-vd-dcn | r578 | 29.98(-32.94%) | 112.08(-36.61%) | 608 | 38.3(-0.8) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_r50vd_dcn_prune578.tar) |
| MobileNetV1 | baseline | 20.64 | 94.60 | 608 | 29.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | baseline | 9.66 | 94.60 | 416 | 29.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | baseline | 5.72 | 94.60 | 320 | 27.1 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | sensity | 13.57(-34.27%) | 67.60(-28.54%) | 608 | 30.2(+0.9) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune1x.tar) |
| MobileNetV1 | sensity | 6.35(-34.27%) | 67.60(-28.54%) | 416 | 29.7(+0.4) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune1x.tar) |
| MobileNetV1 | sensity | 3.76(-34.27%) | 67.60(-28.54%) | 320 | 27.2(+0.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune1x.tar) |
| MobileNetV1 | r578 | 6.27(-69.64%) | 31.30(-66.90%) | 608 | 27.8(-1.5) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune578.tar) |
| MobileNetV1 | r578 | 2.93(-69.64%) | 31.30(-66.90%) | 416 | 26.8(-2.5) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune578.tar) |
| MobileNetV1 | r578 | 1.74(-69.64%) | 31.30(-66.90%) | 320 | 24.0(-3.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune578.tar) |
| MobileNetV3 | r578 | - | 17.0(-81.11%) | 320 | 24.6(-2.5) | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/mobile_models/yolov3_mobilenet_v3_prune75875_FPGM_distillby_r34.pdparams) |
- YOLO v3在训练阶段对minibatch采用随机reshape,可以采用相同的模型权重不同尺寸图片,表中`YOLOv3-MobileNetV1`提供了在`608/416/320`三种不同尺寸下的精度结果
- 在使用`sensity`剪裁策略下,`YOLOv3-ResNet50-vd-dcn``YOLOv3-MobileNetV1`分别减少了`16.06%``34.27%`的FLOPs,输入图像尺寸为608时精度分别提高`0.7``0.9`
- 在使用`r578`剪裁策略下,`YOLOv3-ResNet50-vd-dcn``YOLOv3-MobileNetV1`分别减少了`32.98%``69.64%`的FLOPs,输入图像尺寸为608时精度分别降低`0.8``1.5`
- MobileNetV3-YOLOv3剪裁策略请参考: [MV3-YOLOv3剪裁说明](https://github.com/PaddlePaddle/PaddleDetection/tree/release/0.4/configs/mobile#yolov3%E5%89%AA%E8%A3%81%E8%AF%B4%E6%98%8E)
### YOLOv3 on Pascal VOC
| 骨架网络 | 剪裁策略 | GFLOPs | 模型体积(MB) | 输入尺寸 | Box AP | 下载 |
| :----------------| :-------: | :------------: | :-------------: | :------: | :--------: | :-----------------------------------------------------: |
| MobileNetV1 | baseline | 20.20 | 93.37 | 608 | 76.2 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | baseline | 9.46 | 93.37 | 416 | 76.7 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | baseline | 5.60 | 93.37 | 320 | 75.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | sensity | 13.22(-34.55%) | 66.53(-28.74%) | 608 | 78.4(+2.2) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune1x.tar) |
| MobileNetV1 | sensity | 6.19(-34.55%) | 66.53(-28.74%) | 416 | 78.7(+2.0) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune1x.tar) |
| MobileNetV1 | sensity | 3.66(-34.55%) | 66.53(-28.74%) | 320 | 76.1(+0.8) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune1x.tar) |
| MobileNetV1 | r578 | 6.15(-69.57%) | 30.81(-67.00%) | 608 | 77.6(+1.4) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune578.tar) |
| MobileNetV1 | r578 | 2.88(-69.57%) | 30.81(-67.00%) | 416 | 77.7(+1.0) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune578.tar) |
| MobileNetV1 | 剪裁+蒸馏 | 1.70(-69.57%) | 30.81(-67.00%) | 320 | 75.5(+0.2) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune578.tar) |
- YOLO v3在训练阶段对minibatch采用随机reshape,可以采用相同的模型权重不同尺寸图片,表中`YOLOv3-MobileNetV1`提供了在`608/416/320`三种不同尺寸下的精度结果
- 在使用`sensity``r578`剪裁策略下,`YOLOv3-MobileNetV1`分别减少了`34.55%``69.57%`的FLOPs,输入图像尺寸为608时精度分别提高`2.2``1.4`
### 蒸馏通道剪裁模型
可通过高精度模型蒸馏通道剪裁后模型的方式,训练方法及相关示例见[蒸馏通道剪裁模型](https://github.com/PaddlePaddle/PaddleDetection/blob/master/slim/extensions/distill_pruned_model/distill_pruned_model_demo.ipynb)
COCO数据集上蒸馏通道剪裁模型库如下。
| 骨架网络 | 剪裁策略 | GFLOPs | 模型体积(MB) | 输入尺寸 | teacher模型 | Box AP | 下载 |
| :----------------| :-------: | :------------: | :-------------: | :------: | :--------------------------: | :--------: | :-----------------------------------------------------: |
| ResNet50-vd-dcn | baseline | 44.71 | 176.82 | 608 | - | 39.1 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_r50vd_dcn.tar) |
| ResNet50-vd-dcn | r578 | 29.98(-32.94%) | 112.08(-36.61%) | 608 | YOLOv3-ResNet50-vd-dcn(39.1) | 39.7(+0.6) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_r50vd_dcn_prune578_distill.tar) |
| MobileNetV1 | baseline | 20.64 | 94.60 | 608 | - | 29.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | baseline | 9.66 | 94.60 | 416 | - | 29.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | baseline | 5.72 | 94.60 | 320 | - | 27.1 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | r578 | 6.27(-69.64%) | 31.30(-66.90%) | 608 | YOLOv3-ResNet34(36.2) | 29.0(-0.3) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune578_distillby_r34.tar) |
| MobileNetV1 | r578 | 2.93(-69.64%) | 31.30(-66.90%) | 416 | YOLOv3-ResNet34(34.3) | 28.0(-1.3) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune578_distillby_r34.tar) |
| MobileNetV1 | r578 | 1.74(-69.64%) | 31.30(-66.90%) | 320 | YOLOv3-ResNet34(31.4) | 25.1(-2.0) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_prune578_distillby_r34.tar) |
- YOLO v3在训练阶段对minibatch采用随机reshape,可以采用相同的模型权重不同尺寸图片,表中`YOLOv3-MobileNetV1`提供了在`608/416/320`三种不同尺寸下的精度结果
- 在使用`r578`剪裁策略并使用`YOLOv3-ResNet50-vd-dcn`作为teacher模型蒸馏,`YOLOv3-ResNet50-vd-dcn`模型减少了`32.94%`的FLOPs,输入图像尺寸为608时精度提高`0.6`
- 在使用`r578`剪裁策略并使用`YOLOv3-ResNet34`作为teacher模型蒸馏下,`YOLOv3-MobileNetV1`模型减少了`69.64%`的FLOPs,输入图像尺寸为608时精度降低`0.3`
Pascal VOC数据集上蒸馏通道剪裁模型库如下。
| 骨架网络 | 剪裁策略 | GFLOPs | 模型体积(MB) | 输入尺寸 | teacher模型 | Box AP | 下载 |
| :----------------| :-------: | :------------: | :-------------: | :------: | :--------------------: | :--------: | :-----------------------------------------------------: |
| MobileNetV1 | baseline | 20.20 | 93.37 | 608 | - | 76.2 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | baseline | 9.46 | 93.37 | 416 | - | 76.7 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | baseline | 5.60 | 93.37 | 320 | - | 75.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | r578 | 6.15(-69.57%) | 30.81(-67.00%) | 608 | YOLOv3-ResNet34(82.6) | 78.8(+2.6) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune578_distillby_r34.tar) |
| MobileNetV1 | r578 | 2.88(-69.57%) | 30.81(-67.00%) | 416 | YOLOv3-ResNet34(81.9) | 78.7(+2.0) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune578_distillby_r34.tar) |
| MobileNetV1 | r578 | 1.70(-69.57%) | 30.81(-67.00%) | 320 | YOLOv3-ResNet34(80.1) | 76.3(+2.0) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/prune/yolov3_mobilenet_v1_voc_prune578_distillby_r34.tar) |
- YOLO v3在训练阶段对minibatch采用随机reshape,可以采用相同的模型权重不同尺寸图片,表中`YOLOv3-MobileNetV1`提供了在`608/416/320`三种不同尺寸下的精度结果
- 在使用`r578`剪裁策略并使用`YOLOv3-ResNet34`作为teacher模型蒸馏下,`YOLOv3-MobileNetV1`模型减少了`69.57%`的FLOPs,输入图像尺寸为608时精度提高`2.6`
### YOLOv3通道剪裁模型推理时延
- 时延单位均为`ms/images`
- Tesla P4时延为单卡并开启TensorRT推理时延
- 高通835/高通855/麒麟970时延为使用PaddleLite部署,使用`arm8`架构并使用4线程(4 Threads)推理时延
| 骨架网络 | 数据集 | 剪裁策略 | GFLOPs | 模型体积(MB) | 输入尺寸 | Tesla P4 | 麒麟970 | 高通835 | 高通855 |
| :--------------- | :----: | :------: | :------------: | :-------------: | :------: | :-------------: | :--------------: | :--------------: | :--------------: |
| MobileNetV1 | VOC | baseline | 20.20 | 93.37 | 608 | 16.556 | 748.404 | 734.970 | 289.878 |
| MobileNetV1 | VOC | baseline | 9.46 | 93.37 | 416 | 9.031 | 371.214 | 349.065 | 140.877 |
| MobileNetV1 | VOC | baseline | 5.60 | 93.37 | 320 | 6.235 | 221.705 | 200.498 | 80.515 |
| MobileNetV1 | VOC | r578 | 6.15(-69.57%) | 30.81(-67.00%) | 608 | 10.064(-39.21%) | 314.531(-57.97%) | 323.537(-55.98%) | 123.414(-57.43%) |
| MobileNetV1 | VOC | r578 | 2.88(-69.57%) | 30.81(-67.00%) | 416 | 5.478(-39.34%) | 151.562(-59.17%) | 146.014(-58.17%) | 56.420(-59.95%) |
| MobileNetV1 | VOC | r578 | 1.70(-69.57%) | 30.81(-67.00%) | 320 | 3.880(-37.77%) | 91.132(-58.90%) | 87.440(-56.39%) | 31.470(-60.91%) |
| MobileNetV3 | COCO | 剪裁+蒸馏 | - | 17.0(-81.11%) | 320 | - | - | - | 高通845:91(-71.47%) |
| ResNet50-vd-dcn | COCO | baseline | 44.71 | 176.82 | 608 | 36.127 | - | - | - |
| ResNet50-vd-dcn | COCO | sensity | 37.53(-16.06%) | 149.49(-15.46%) | 608 | 33.245(-7.98%) | - | - | - |
| ResNet50-vd-dcn | COCO | r578 | 29.98(-32.94%) | 112.08(-36.61%) | 608 | 29.138(-19.35%) | - | - | - |
- 在使用`r578`剪裁策略下,`YOLOv3-MobileNetV1`模型减少了`69.57%`的FLOPs,输入图像尺寸为608时在单卡Tesla P4(TensorRT)推理时间减少`39.21%`,在麒麟970/高通835/高通855上推理时延分别减少`57.97%`, `55.98%``57.43%`
- 在使用`sensity``r578`剪裁策略下,`YOLOv3-ResNet50-vd-dcn`模型分别减少了`16.06%``32.94%`的FLOPs,输入图像尺寸为608时在单卡Tesla P4(TensorRT)推理时间分别减少`7.98%``19.35%`
## 蒸馏模型库
### 训练策略
- 蒸馏模型训练时teacher模型使用[PaddleDetection模型库](https://paddledetection.readthedocs.io/zh/latest/MODEL_ZOO_cn.html)发布的模型权重作为预训练权重。
- 蒸馏模型训练时student模型使用backbone的预训练权重
- 蒸馏策略`l2_distiil`为使用teacher模型和student模型特征图的L2损失作为蒸馏损失进行蒸馏,为`slim/distillation/distill.py`的默认策略
- 蒸馏策略`split_distiil`为使用YOLOv3细粒度损失进行蒸馏,通过`-o use_fine_grained_loss=true`指定
### YOLOv3 on COCO
| 骨架网络 | 蒸馏策略 | 输入尺寸 | teacher模型 | Box AP | 下载 |
| :----------------| :-----------: | :------: | :--------------------: | :----------: | :-----------------------------------------------------: |
| MobileNetV1 | baseline | 608 | - | 29.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | baseline | 416 | - | 29.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | baseline | 320 | - | 27.1 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | split_distiil | 608 | YOLOv3-ResNet34(36.2) | 31.4(+2.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_coco_distilled.tar) |
| MobileNetV1 | split_distiil | 416 | YOLOv3-ResNet34(34.3) | 30.0(+0.7) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_coco_distilled.tar) |
| MobileNetV1 | split_distiil | 320 | YOLOv3-ResNet34(31.4) | 27.1(+0.0) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_coco_distilled.tar) |
- YOLO v3在训练阶段对minibatch采用随机reshape,可以采用相同的模型权重不同尺寸图片,表中`YOLOv3-MobileNetV1`提供了在`608/416/320`三种不同尺寸下的精度结果
- 在使用`YOLOv3-ResNet34`模型通过`split_distiil`策略蒸馏下,输入图像尺寸为608时`YOLOv3-MobileNetV1`模型精度提高`2.1`
### YOLOv3 on Pascal VOC
| 骨架网络 | 蒸馏策略 | 输入尺寸 | teacher模型 | Box AP | 下载 |
| :----------------| :-----------: | :------: | :--------------------: | :--------: | :-----------------------------------------------------: |
| MobileNetV1 | baseline | 608 | - | 76.2 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | baseline | 416 | - | 76.7 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | baseline | 320 | - | 75.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1_voc.tar) |
| MobileNetV1 | l2_distiil | 608 | YOLOv3-ResNet34(82.6) | 79.0(+2.8) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_voc_distilled.tar) |
| MobileNetV1 | l2_distiil | 416 | YOLOv3-ResNet34(81.9) | 78.2(+1.5) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_voc_distilled.tar) |
| MobileNetV1 | l2_distiil | 320 | YOLOv3-ResNet34(80.1) | 75.5(+0.2) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_voc_distilled.tar) |
- YOLO v3在训练阶段对minibatch采用随机reshape,可以采用相同的模型权重不同尺寸图片,表中`YOLOv3-MobileNetV1`提供了在`608/416/320`三种不同尺寸下的精度结果
- 在使用`YOLOv3-ResNet34`模型通过`l2_distiil`策略蒸馏下,输入图像尺寸为608时`YOLOv3-MobileNetV1`模型精度提高`2.8`
## 量化模型库
### 训练策略
- 量化策略`post`为使用离线量化得到的模型,`aware`为在线量化训练得到的模型。
### YOLOv3 on COCO
| 骨架网络 | 预训练权重 | 量化策略 | 输入尺寸 | Box AP | 下载 |
| :----------------| :--------: | :------: | :------: | :--------: | :-----------------------------------------------------: |
| MobileNetV1 | ImageNet | baseline | 608 | 29.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | ImageNet | baseline | 416 | 29.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | ImageNet | baseline | 320 | 27.1 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_mobilenet_v1.tar) |
| MobileNetV1 | ImageNet | post | 608 | 27.9(-1.4) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_coco_quant_post.tar) |
| MobileNetV1 | ImageNet | post | 416 | 28.0(-1.3) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_coco_quant_post.tar) |
| MobileNetV1 | ImageNet | post | 320 | 26.0(-1.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenetv1_coco_quant_post.tar) |
| MobileNetV1 | ImageNet | aware | 608 | 28.1(-1.2) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenet_coco_quant_aware.tar) |
| MobileNetV1 | ImageNet | aware | 416 | 28.2(-1.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenet_coco_quant_aware.tar) |
| MobileNetV1 | ImageNet | aware | 320 | 25.8(-1.3) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_mobilenet_coco_quant_aware.tar) |
| ResNet34 | ImageNet | baseline | 608 | 36.2 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_r34.tar) |
| ResNet34 | ImageNet | baseline | 416 | 34.3 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_r34.tar) |
| ResNet34 | ImageNet | baseline | 320 | 31.4 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_r34.tar) |
| ResNet34 | ImageNet | post | 608 | 35.7(-0.5) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_r34_coco_quant_post.tar) |
| ResNet34 | ImageNet | aware | 608 | 35.2(-1.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_r34_coco_quant_aware.tar) |
| ResNet34 | ImageNet | aware | 416 | 33.3(-1.0) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_r34_coco_quant_aware.tar) |
| ResNet34 | ImageNet | aware | 320 | 30.3(-1.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_r34_coco_quant_aware.tar) |
| R50vd-dcn | object365 | baseline | 608 | 41.4 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/yolov3_r50vd_dcn_obj365_pretrained_coco.tar) |
| R50vd-dcn | object365 | aware | 608 | 40.6(-0.8) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_r50vd_dcn_obj365_pretrained_coco_quant_aware.tar) |
| R50vd-dcn | object365 | aware | 416 | 37.5(-) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_r50vd_dcn_obj365_pretrained_coco_quant_aware.tar) |
| R50vd-dcn | object365 | aware | 320 | 34.1(-) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/yolov3_r50vd_dcn_obj365_pretrained_coco_quant_aware.tar) |
- YOLO v3在训练阶段对minibatch采用随机reshape,可以采用相同的模型权重不同尺寸图片,表中部分模型提供了在`608/416/320`三种不同尺寸下的精度结果
- `YOLOv3-MobileNetV1`使用离线(post)和在线(aware)两种量化方式,输入图像尺寸为608时精度分别降低`1.4``1.2`
- `YOLOv3-ResNet34`使用离线(post)和在线(aware)两种量化方式,输入图像尺寸为608时精度分别降低`0.5``1.1`
- `YOLOv3-R50vd-dcn`使用在线(aware)量化方式,输入图像尺寸为608时精度降低`0.8`
### BlazeFace on WIDER FACE
| 模型 | 量化策略 | 输入尺寸 | Easy Set | Medium Set | Hard Set | 下载 |
| :--------------- | :------: | :------: | :--------: | :--------: | :--------: | :-----------------------------------------------------: |
| BlazeFace | baseline | 640 | 91.5 | 89.2 | 79.7 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/blazeface_original.tar) |
| BlazeFace | post | 640 | 87.8(-3.7) | 85.1(-3.9) | 74.9(-4.8) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/blazeface_origin_quant_post.tar) |
| BlazeFace | aware | 640 | 90.5(-1.0) | 87.9(-1.3) | 77.6(-2.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/blazeface_origin_quant_aware.tar) |
| BlazeFace-Lite | baseline | 640 | 90.9 | 88.5 | 78.1 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/blazeface_lite.tar) |
| BlazeFace-Lite | post | 640 | 89.4(-1.5) | 86.7(-1.8) | 75.7(-2.4) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/blazeface_lite_quant_post.tar) |
| BlazeFace-Lite | aware | 640 | 89.7(-1.2) | 87.3(-1.2) | 77.0(-1.1) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/blazeface_lite_quant_aware.tar) |
| BlazeFace-NAS | baseline | 640 | 83.7 | 80.7 | 65.8 | [下载链接](https://paddlemodels.bj.bcebos.com/object_detection/blazeface_nas.tar) |
| BlazeFace-NAS | post | 640 | 81.6(-2.1) | 78.3(-2.4) | 63.6(-2.2) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/blazeface_nas_quant_post.tar) |
| BlazeFace-NAS | aware | 640 | 83.1(-0.6) | 79.7(-1.0) | 64.2(-1.6) | [下载链接](https://paddlemodels.bj.bcebos.com/PaddleSlim/blazeface_nas_quant_aware.tar) |
- `BlazeFace`系列模型中在线(aware)量化性能明显优于离线(post)量化
- `BlazeFace`模型使用在线(aware)量化方式,在`Easy/Medium/Hard`数据集上精度分别降低`1.0`, `1.3``2.1`
- `BlazeFace-Lite`模型使用在线(aware)量化方式,在`Easy/Medium/Hard`数据集上精度分别降低`1.2`, `1.2``1.1`
- `BlazeFace-NAS`模型使用在线(aware)量化方式,在`Easy/Medium/Hard`数据集上精度分别降低`0.6`, `1.0``1.6`
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