UDP-Pose

This is the pytorch implementation for UDP++, which won the Fisrt place in COCO Keypoint Challenge at ECCV 2020 Workshop.

Top-Down

Results on MPII val dataset

Method---	Head	Sho.	Elb.	Wri.	Hip	Kne.	Ank.	Mean	Mean 0.1
HRNet32	97.1	95.9	90.3	86.5	89.1	87.1	83.3	90.3	37.7
+Dark	97.2	95.9	91.2	86.7	89.7	86.7	84.0	90.6	42.0
+UDP	97.4	96.0	91.0	86.5	89.1	86.6	83.3	90.4	42.1

Results on COCO val2017 with detector having human AP of 65.1 on COCO val2017 dataset

Arch	Input size	#Params	GFLOPs	AP	Ap .5	AP .75	AP (M)	AP (L)	AR
pose_resnet_50	256x192	34.0M	8.90	71.3	89.9	78.9	68.3	77.4	76.9
+UDP	256x192	34.2M	8.96	72.9	90.0	80.2	69.7	79.3	78.2
pose_resnet_50	384x288	34.0M	20.0	73.2	90.7	79.9	69.4	80.1	78.2
+UDP	384x288	34.2M	20.1	74.0	90.3	80.0	70.2	81.0	79.0
pose_resnet_152	256x192	68.6M	15.7	72.9	90.6	80.8	69.9	79.0	78.3
+UDP	256x192	68.8M	15.8	74.3	90.9	81.6	71.2	80.6	79.6
pose_resnet_152	384x288	68.6M	35.6	75.3	91.0	82.3	71.9	82.0	80.4
+UDP	384x288	68.8M	35.7	76.2	90.8	83.0	72.8	82.9	81.2
pose_hrnet_w32	256x192	28.5M	7.10	75.6	91.9	83.0	72.2	81.6	80.5
+UDP	256x192	28.7M	7.16	76.8	91.9	83.7	73.1	83.3	81.6
+UDPv1	256x192	28.7M	7.16	77.2	91.6	84.2	73.7	83.7	82.5
+UDPv1+AID	256x192	28.7M	7.16	77.9	92.1	84.5	74.1	84.1	82.8
RSN18+UDP	256x192	-	2.5	74.7	-	-	-	-	-
pose_hrnet_w32	384x288	28.5M	16.0	76.7	91.9	83.6	73.2	83.2	81.6
+UDP	384x288	28.7M	16.1	77.8	91.7	84.5	74.2	84.3	82.4
pose_hrnet_w48	256x192	63.6M	14.6	75.9	91.9	83.5	72.6	82.1	80.9
+UDP	256x192	63.8M	14.7	77.2	91.8	83.7	73.8	83.7	82.0
pose_hrnet_w48	384x288	63.6M	32.9	77.1	91.8	83.8	73.5	83.5	81.8
+UDP	384x288	63.8M	33.0	77.8	92.0	84.3	74.2	84.5	82.5

Note:

• Flip test is used.
• Person detector has person AP of 65.1 on COCO val2017 dataset.
• GFLOPs is for convolution and linear layers only.
• UDPv1: v0:LOSS.KPD=4.0, v1:LOSS.KPD=3.5

Results on COCO test-dev with detector having human AP of 65.1 on COCO val2017 dataset

Arch	Input size	#Params	GFLOPs	AP	Ap .5	AP .75	AP (M)	AP (L)	AR
pose_resnet_50	256x192	34.0M	8.90	70.2	90.9	78.3	67.1	75.9	75.8
+UDP	256x192	34.2M	8.96	71.7	91.1	79.6	68.6	77.5	77.2
pose_resnet_50	384x288	34.0M	20.0	71.3	91.0	78.5	67.3	77.9	76.6
+UDP	384x288	34.2M	20.1	72.5	91.1	79.7	68.8	79.1	77.9
pose_resnet_152	256x192	68.6M	15.7	71.9	91.4	80.1	68.9	77.4	77.5
+UDP	256x192	68.8M	15.8	72.9	91.6	80.9	70.0	78.5	78.4
pose_resnet_152	384x288	68.6M	35.6	73.8	91.7	81.2	70.3	80.0	79.1
+UDP	384x288	68.8M	35.7	74.7	91.8	82.1	71.5	80.8	80.0
pose_hrnet_w32	256x192	28.5M	7.10	73.5	92.2	82.0	70.4	79.0	79.0
+UDP	256x192	28.7M	7.16	75.2	92.4	82.9	72.0	80.8	80.4
pose_hrnet_w32	384x288	28.5M	16.0	74.9	92.5	82.8	71.3	80.9	80.1
+UDP	384x288	28.7M	16.1	76.1	92.5	83.5	72.8	82.0	81.3
pose_hrnet_w48	256x192	63.6M	14.6	74.3	92.4	82.6	71.2	79.6	79.7
+UDP	256x192	63.8M	14.7	75.7	92.4	83.3	72.5	81.4	80.9
pose_hrnet_w48	384x288	63.6M	32.9	75.5	92.5	83.3	71.9	81.5	80.5
+UDP	384x288	63.8M	33.0	76.5	92.7	84.0	73.0	82.4	81.6

Note:

• Flip test is used.
• Person detector has person AP of 65.1 on COCO val2017 dataset.
• GFLOPs is for convolution and linear layers only.

Bottom-Up

HRNet

Arch	P2I	Input size	Speed(task/s)	AP	Ap .5	AP .75	AP (M)	AP (L)	AR
HRNet(ori)	T	512x512	-	64.4	-	-	57.1	75.6	-
HRNet(mmpose)	F	512x512	39.5	65.8	86.3	71.8	59.2	76.0	70.7
HRNet(mmpose)	T	512x512	6.8	65.3	86.2	71.5	58.6	75.7	70.9
HRNet+UDP	T	512x512	5.8	65.9	86.2	71.8	59.4	76.0	71.4
HRNet+UDP	F	512x512	37.2	67.0	86.2	72.0	60.7	76.7	71.6
HRNet+UDP+AID	F	512x512	37.2	68.4	88.1	74.9	62.7	77.1	73.0

HigherHRNet

Arch	P2I	Input size	Speed(task/s)	AP	Ap .5	AP .75	AP (M)	AP (L)	AR
HigherHRNet(ori)	T	512x512	-	67.1	-	-	61.5	76.1	-
HigherHRNet	T	512x512	9.4	67.2	86.1	72.9	61.8	76.1	72.2
HigherHRNet+UDP	T	512x512	9.0	67.6	86.1	73.7	62.2	76.2	72.4
HigherHRNet	F	512x512	24.1	67.1	86.1	73.6	61.7	75.9	72.0
HigherHRNet+UDP	F	512x512	23.0	67.6	86.2	73.8	62.2	76.2	72.4
HigherHRNet+UDP+AID	F	512x512	23.0	69.0	88.0	74.9	64.0	76.9	73.8

Note:

• ori : Result from original HigherHrnet
• mmpose : Pretrained models from mmpose
• P2I : PROJECT2IMAGE
• we use mmpose for codebase
• the configurations of the baseline are HRNet-W32-512x512-batch16-lr0.001
• Speed is tested with dist_test in mmpose codebase and 8 Gpus + 16 batchsize

Quick Start

(Recommend) For mmpose, please refer to MMPose

For hrnet, please refer to Hrnet

For RSN, please refer to RSN

Data preparation For coco, we provide the human detection result and pretrained model at BaiduDisk(dsa9)

Citation

If you use our code or models in your research, please cite with:

@inproceedings{cai2020learning,
  title={Learning Delicate Local Representations for Multi-Person Pose Estimation},
  author={Yuanhao Cai and Zhicheng Wang and Zhengxiong Luo and Binyi Yin and Angang Du and Haoqian Wang and Xinyu Zhou and Erjin Zhou and Xiangyu Zhang and Jian Sun},
  booktitle={ECCV},
  year={2020}
}
@article{huang2020joint,
  title={Joint coco and lvis workshop at eccv 2020: Coco keypoint challenge track technical report: Udp+},
  author={Huang, Junjie and Shan, Zengguang and Cai, Yuanhao and Guo, Feng and Ye, Yun and Chen, Xinze and Zhu, Zheng and Huang, Guan and Lu, Jiwen and Du, Dalong},
  year={2020}
}