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Bootstrapping human optical flow and pose

This repository contains the code for our paper:

Bootstrapping human optical flow and pose

BMVC 2022

Required libraries

conda create --name metro_raft
conda activate metro_raft
conda install pytorch=1.6.0 torchvision=0.7.0 cudatoolkit=10.1 matplotlib tensorboard scipy opencv -c pytorch

Required data

To evaluate/run our optimization pipeline, you will need to download the required dataset.

The directory should look like this -

├── data
    ├── h36m
        ├── S9
            ├── Videos
        ├── S11
            ├── Videos

Preprocess Human3.6M dataset and get the 2D and 3D annotation files

The preprocessed 2D and 3D annotation files data_2d_h36m_gt.npz and data_3d_h36m.npz are generated by using the data preparation code in 3D human pose estimation in video with temporal convolutions and semi-supervised training. The generated files should be copied to "data/h36m/". It can be done manually or you can simply run:

cp /path/to/file/data_2d_h36m_gt.npz data/h36m/
cp /path/to/file/data_3d_h36m.npz data/h36m/

Required models can be downloaded by running

cd RAFT/
./download_models.sh

Pre-computed Mesh Transformer (METRO) and Deep Dual Consecutive Network for Human Pose Estimation (DCPose) estimates

Our pre-computed METRO and DCPose estimates on the Human3.6M must be downloaded in order to run the framework. This can be done by simply downloading the folders metro_estimates_h36m and dcpose_estimates_h36m.

Finetuning human optical flow and pose using our framework

The code for finetuning human optical flow and pose on the Human3.6M can be found in optimization_h36m.py file. We show optimization on top of Mesh Transformer (METRO) and Recurrent All Pairs Field Transforms for Optical Flow (RAFT).