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InterHand2.6M: A Dataset and Baseline for 3D Interacting Hand Pose Estimation from a Single RGB Image

Our new Re:InterHand dataset has been released, which has much more diverse image appearances with more stable 3D GT. Check it out at here!

Introduction

Above demo videos have low-quality frames because of the compression for the README upload.

News

  • 2021.06.10. Boxs in RootNet results are updated to be correct.
  • 2021.03.22. Finally, InterHand2.6M v1.0, which includes all images of 5 fps and 30 fps version, is released! 🎉 This is the dataset used in InterHand2.6M paper.
  • 2020.11.26. Demo code for a random image is added! Checkout below instructions.
  • 2020.11.26. Fitted MANO parameters are updated to the better ones (fitting error is about 5 mm). Also, reduced to much smaller file size by providing parameters fitted to the world coordinates (independent on the camera view).
  • 2020.10.7. Fitted MANO parameters are available! They are obtained by NeuralAnnot.

InterHand2.6M dataset

  • For the InterHand2.6M dataset download and instructions, go to [HOMEPAGE].
  • Belows are instructions for our baseline model, InterNet, for 3D interacting hand pose estimation from a single RGB image.

Demo on a random image

  1. Download pre-trained InterNet from here
  2. Put the model at demo folder
  3. Go to demo folder and edit bbox in here
  4. run python demo.py --gpu 0 --test_epoch 20
  5. You can see result_2D.jpg and 3D viewer.

MANO mesh rendering demo

  1. Install SMPLX
  2. cd tool/MANO_render
  3. Set smplx_path in render.py
  4. Run python render.py

MANO parameter conversion from the world coordinate to the camera coordinate system

  1. Install SMPLX
  2. cd tool/MANO_world_to_camera/
  3. Set smplx_path in convert.py
  4. Run python convert.py

Camera positions visualization demo

  1. cd tool/camera_visualize
  2. Run python camera_visualize.py
  • As there are many cameras, you'd better set subset and split in line 9 and 10, respectively, by yourself.

Directory

Root

The ${ROOT} is described as below.

${ROOT}
|-- data
|-- common
|-- main
|-- output
  • data contains data loading codes and soft links to images and annotations directories.
  • common contains kernel codes for 3D interacting hand pose estimation.
  • main contains high-level codes for training or testing the network.
  • output contains log, trained models, visualized outputs, and test result.

Data

You need to follow directory structure of the data as below.

${ROOT}
|-- data
|   |-- STB
|   |   |-- data
|   |   |-- rootnet_output
|   |   |   |-- rootnet_stb_output.json
|   |-- RHD
|   |   |-- data
|   |   |-- rootnet_output
|   |   |   |-- rootnet_rhd_output.json
|   |-- InterHand2.6M
|   |   |-- annotations
|   |   |   |-- train
|   |   |   |-- test
|   |   |   |-- val
|   |   |-- images
|   |   |   |-- train
|   |   |   |-- test
|   |   |   |-- val
|   |   |-- rootnet_output
|   |   |   |-- rootnet_interhand2.6m_output_test.json
|   |   |   |-- rootnet_interhand2.6m_output_test_30fps.json
|   |   |   |-- rootnet_interhand2.6m_output_val.json
|   |   |   |-- rootnet_interhand2.6m_output_val_30fps.json

Output

You need to follow the directory structure of the output folder as below.

${ROOT}
|-- output
|   |-- log
|   |-- model_dump
|   |-- result
|   |-- vis
  • log folder contains training log file.
  • model_dump folder contains saved checkpoints for each epoch.
  • result folder contains final estimation files generated in the testing stage.
  • vis folder contains visualized results.

Running InterNet

Start

  • In the main/config.py, you can change settings of the model including dataset to use and which root joint translation vector to use (from gt or from RootNet).

Train

In the main folder, run

python train.py --gpu 0-3

to train the network on the GPU 0,1,2,3. --gpu 0,1,2,3 can be used instead of --gpu 0-3. If you want to continue experiment, run use --continue.

Test

Place trained model at the output/model_dump/.

In the main folder, run

python test.py --gpu 0-3 --test_epoch 20 --test_set $DB_SPLIT

to test the network on the GPU 0,1,2,3 with snapshot_20.pth.tar. --gpu 0,1,2,3 can be used instead of --gpu 0-3.

$DB_SPLIT is one of [val,test].

  • val: The validation set. Val in the paper.
  • test: The test set. Test in the paper.

Results

Here I provide the performance and pre-trained snapshots of InterNet, and output of the RootNet as well.

Pre-trained InterNet

RootNet output

RootNet codes

Reference

@InProceedings{Moon_2020_ECCV_InterHand2.6M,  
author = {Moon, Gyeongsik and Yu, Shoou-I and Wen, He and Shiratori, Takaaki and Lee, Kyoung Mu},  
title = {InterHand2.6M: A Dataset and Baseline for 3D Interacting Hand Pose Estimation from a Single RGB Image},  
booktitle = {European Conference on Computer Vision (ECCV)},  
year = {2020}  
}  

License

InterHand2.6M is CC-BY-NC 4.0 licensed, as found in the LICENSE file.

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Official PyTorch implementation of "InterHand2.6M: A Dataset and Baseline for 3D Interacting Hand Pose Estimation from a Single RGB Image", ECCV 2020

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