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TexturePose: Supervising Human Mesh Estimation with Texture Consistency

Georgios Pavlakos*, Nikos Kolotouros*, Kostas Daniilidis

[paper] [project page]

teaser

This is the code repository for the paper TexturePose: Supervising Human Mesh Estimation with Texture Consistency.

Installation instructions

To run our code, we suggest using the docker image we provide that has all the dependencies compiled and preinstalled. Alternatively you can create a virtual environment and install all the relevant dependencies as follows (only compatible with Python 2, because of the MPI-Mesh depndency)

virtualenv texturepose
source texpose/bin/activate
pip install -U pip
pip install -r requirements.txt

After finishing with the installation, you can continue with running the demo/evaluation/training code. In case you want to evaluate our approach on Human3.6M, you also need to manually install the pycdf package of the spacepy library to process some of the original files. If you face difficulties with the installation, you can find more elaborate instructions here.

Fetch data

We provide a script to fetch the necessary data for evaluation. You need to run:

./fetch_data.sh

Besides these files, you also need to download the SMPL model. You will need the neutral model for training and running the demo code, while the male and female models will be necessary for evaluation on the 3DPW dataset. Please go to the websites for the corresponding projects and register to get access to the downloads section. In case you need to convert the models to remove the chumpy dependency, please follow the instructions here.

Run demo code

To run our method, you need a bounding box around the person. The person needs to be centered inside the bounding box and the bounding box should be relatively tight. You can either supply the bounding box directly or provide an OpenPose detection file. In the latter case we infer the bounding box from the detections.

In summary, we provide 3 different ways to use our demo code and models:

  1. Provide only an input image (using --img), in which case it is assumed that it is already cropped with the person centered in the image.
  2. Provide an input image as before, together with the OpenPose detection .json (using --openpose). Our code will use the detections to compute the bounding box and crop the image.
  3. Provide an image and a bounding box (using --bbox). The expected format for the json file can be seen in examples/im1010_bbox.json.

Example with OpenPose detection .json

python demo.py --checkpoint=data/texturepose_checkpoint.pth --img=examples/im1025.jpg --openpose=examples/im1025_openpose.json

Example with predefined Bounding Box

python demo.py --checkpoint=data/texturepose_checkpoint.pth --img=examples/im1025.jpg --bbox=examples/im1025_bbox.json

Example with cropped and centered image

python demo.py --checkpoint=data/texturepose_checkpoint.pth --img=examples/im1025.jpg

Running the previous command will save the results in examples/im1025_{shape,shape_side}.png. The file im1025_shape.png shows the overlayed reconstruction of the model on the image. We also render a side view, saved in im1025_shape_side.png.

Run evaluation code

Besides the demo code, we also provide code to evaluate our models on the datasets we employ for our empirical evaluation. Before continuing, please make sure that you follow the details for data preprocessing.

Example usage:

python eval.py --checkpoint=data/texturepose_checkpoint.pth --dataset=h36m-p1 --log_freq=20

Running the above command will compute the MPJPE and Reconstruction Error on the Human3.6M dataset (Protocol I). The --dataset option can take different values based on the type of evaluation you want to perform:

  1. Human3.6M Protocol 1 --dataset=h36m-p1
  2. Human3.6M Protocol 2 --dataset=h36m-p2
  3. 3DPW --dataset=3dpw
  4. LSP --dataset=lsp

You can also save the results (predicted SMPL parameters, camera and 3D pose) in a .npz file using --result=out.npz.

Citing

If you find this code useful for your research or the use data generated by our method, please consider citing the following paper:

@Inproceedings{pavlakos2019texturepose,
  Title          = {TexturePose: Supervising Human Mesh Estimation with Texture Consistency},
  Author         = {Pavlakos, Georgios and Kolotouros, Nikos and Daniilidis, Kostas},
  Booktitle      = {ICCV},
  Year           = {2019}
}