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# Text-driven Motion Generation
<!-- TOC -->
- [Installation](#installation)
- [Training](#prepare-environment)
- [Acknowledgement](#acknowledgement)
<!-- TOC -->
## Installation
Please refer to [install.md](install.md) for detailed installation.
## Training
Due to the requirement of a large batchsize, we highly recommend you to use DDP training. A slurm-based script is as below:
```shell
PYTHONPATH="$(dirname $0)/..":$PYTHONPATH \
srun -p ${PARTITION} -n8 --gres=gpu:8 -u \
python -u tools/train.py \
--name kit_baseline_ddp_8gpu_8layers_1000 \
--batch_size 128 \
--times 200 \
--num_epochs 50 \
--dataset_name kit \
--distributed
```
Besides, you can train the model on multi-GPUs with DataParallel:
```shell
PYTHONPATH="$(dirname $0)/..":$PYTHONPATH \
python -u tools/train.py \
--name kit_baseline_dp_2gpu_8layers_1000 \
--batch_size 128 \
--times 50 \
--num_epochs 50 \
--dataset_name kit \
--num_layers 8 \
--diffusion_steps 1000 \
--data_parallel \
--gpu_id 0 1
```
Otherwise, you can run the training code on a single GPU like:
```shell
PYTHONPATH="$(dirname $0)/..":$PYTHONPATH \
python -u tools/train.py \
--name kit_baseline_1gpu_8layers_1000 \
--batch_size 128 \
--times 25 \
--num_epochs 50 \
--dataset_name kit
```
Here, `times` means the duplication times of the original dataset. To retain the number of iterations, you can set `times` to 25 for 1 GPU, 50 for 2 GPUs, 100 for 4 GPUs, and 200 for 8 GPUs.
## Evaluation
```shell
# GPU_ID indicates which gpu you want to use
python -u tools/evaluation.py checkpoints/kit/kit_motiondiffuse/opt.txt GPU_ID
# Or you can omit this option and use cpu for evaluation
python -u tools/evaluation.py checkpoints/kit/kit_motiondiffuse/opt.txt
```
## Visualization
You can visualize human motion with the given language description and the expected motion length. We also provide a [Colab Demo](https://colab.research.google.com/drive/1Dp6VsZp2ozKuu9ccMmsDjyij_vXfCYb3?usp=sharing) and a [Hugging Face Demo](https://huggingface.co/spaces/mingyuan/MotionDiffuse) for your convenience.
```shell
# Currently we only support visualization of models trained on the HumanML3D dataset.
# Motion length can not be larger than 196, which is the maximum length during training
# You can omit `gpu_id` to run visualization on your CPU
# Optionally, you can store the xyz coordinates of each joint to `npy_path`. The shape of motion data is (T, 22, 3), where T denotes the motion length, 22 is the number of joints.
python -u tools/visualization.py \
--opt_path checkpoints/t2m/t2m_motiondiffuse/opt.txt \
--text "a person is jumping" \
--motion_length 60 \
--result_path "test_sample.gif" \
--npy_path "test_sample.npy" \
--gpu_id 0
```
Here are some visualization examples. The motion lengths are shown in the title of animations.
<table>
<tr>
<td><img src="../figures/gallery_t2m/gen_00.gif" width="100%"/></td>
<td><img src="../figures/gallery_t2m/gen_01.gif" width="100%"/></td>
<td><img src="../figures/gallery_t2m/gen_02.gif" width="100%"/></td>
<td><img src="../figures/gallery_t2m/gen_03.gif" width="100%"/></td>
</tr>
<tr>
<td><img src="../figures/gallery_t2m/gen_04.gif" width="100%"/></td>
<td><img src="../figures/gallery_t2m/gen_05.gif" width="100%"/></td>
<td><img src="../figures/gallery_t2m/gen_06.gif" width="100%"/></td>
<td><img src="../figures/gallery_t2m/gen_07.gif" width="100%"/></td>
</tr>
</table>
**Note:** You may install `matplotlib==3.3.1` to support visualization here.
## Acknowledgement
This code is developed on top of [Generating Diverse and Natural 3D Human Motions from Text](https://github.com/EricGuo5513/text-to-motion) |