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"""
Demo built with gradio
"""
import pickle as pkl
import sys, os
import os.path as osp
from typing import Iterable, Optional
from functools import partial
import trimesh
from torch.utils.data import DataLoader
import cv2
from accelerate import Accelerator
from tqdm import tqdm
from glob import glob
sys.path.append(os.getcwd())
import hydra
import torch
import numpy as np
import imageio
import gradio as gr
import plotly.graph_objs as go
import training_utils
import traceback
from configs.structured import ProjectConfig
from demo import DemoRunner
from dataset.demo_dataset import DemoDataset
md_description="""
# HDM Interaction Reconstruction Demo
### Official Implementation of the paper \"Template Free Reconstruction of Human Object Interaction\", CVPR'24.
[Project Page](https://virtualhumans.mpi-inf.mpg.de/procigen-hdm/)|[Code](https://github.com/xiexh20/HDM)|[Dataset](https://edmond.mpg.de/dataset.xhtml?persistentId=doi:10.17617/3.2VUEUS )|[Paper](https://virtualhumans.mpi-inf.mpg.de/procigen-hdm/paper-lowreso.pdf)
Upload your own human object interaction image and get full 3D reconstruction!
## Citation
```
@inproceedings{xie2023template_free,
title = {Template Free Reconstruction of Human-object Interaction with Procedural Interaction Generation},
author = {Xie, Xianghui and Bhatnagar, Bharat Lal and Lenssen, Jan Eric and Pons-Moll, Gerard},
booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
month = {June},
year = {2024},
}
```
"""
def plot_points(colors, coords):
"""
use plotly to visualize 3D point with colors
"""
trace = go.Scatter3d(x=coords[:, 0], y=coords[:, 1], z=coords[:, 2], mode='markers',
marker=dict(
size=2,
color=colors
))
layout = go.Layout(
scene=dict(
xaxis=dict(
title="",
showgrid=False,
zeroline=False,
showline=False,
ticks='',
showticklabels=False
),
yaxis=dict(
title="",
showgrid=False,
zeroline=False,
showline=False,
ticks='',
showticklabels=False
),
zaxis=dict(
title="",
showgrid=False,
zeroline=False,
showline=False,
ticks='',
showticklabels=False
),
),
margin=dict(l=0, r=0, b=0, t=0),
showlegend=False
)
fig = go.Figure(data=[trace], layout=layout)
return fig
def inference(runner: DemoRunner, cfg: ProjectConfig, rgb, mask_hum, mask_obj, std_coverage, input_seed, input_cls):
"""
given user input, run inference
:param runner:
:param cfg:
:param rgb: (h, w, 3), np array
:param mask_hum: (h, w, 3), np array
:param mask_obj: (h, w, 3), np array
:param std_coverage: float value, used to estimate camera translation
:param input_seed: random seed
:param input_cls: the object category of the input image
:return: path to the 3D reconstruction, and an interactive 3D figure for visualizing the point cloud
"""
log = ""
try:
# Set random seed
training_utils.set_seed(int(input_seed))
data = DemoDataset([], (cfg.dataset.image_size, cfg.dataset.image_size),
std_coverage)
batch = data.image2batch(rgb, mask_hum, mask_obj)
if input_cls != 'general':
log += f"Reloading fine-tuned checkpoint of category {input_cls}\n"
runner.reload_checkpoint(input_cls)
out_stage1, out_stage2 = runner.forward_batch(batch, cfg)
points = out_stage2.points_packed().cpu().numpy()
colors = out_stage2.features_packed().cpu().numpy()
fig = plot_points(colors, points)
# save tmp point cloud
outdir = './results'
os.makedirs(outdir, exist_ok=True)
trimesh.PointCloud(points, colors).export(outdir + f"/pred_std{std_coverage}_seed{input_seed}_stage2_{input_cls}.ply")
trimesh.PointCloud(out_stage1.points_packed().cpu().numpy(),
out_stage1.features_packed().cpu().numpy()).export(
outdir + f"/pred_std{std_coverage}_seed{input_seed}_stage1_{input_cls}.ply")
log += 'Successfully reconstructed the image.'
outfile = outdir + f"/pred_std{std_coverage}_seed{input_seed}_stage2_{input_cls}.ply"
except Exception as e:
log = traceback.format_exc()
fig, outfile = None, None
return fig, outfile, log
@hydra.main(config_path='configs', config_name='configs', version_base='1.1')
def main(cfg: ProjectConfig):
# Setup model
runner = DemoRunner(cfg)
# runner = None # without model initialization, it shows one line of thumbnail
# TODO: add instructions on how to get masks
# TODO: add instructions on how to use the demo, input output, example outputs etc.
# Setup interface
demo = gr.Blocks(title="HDM Interaction Reconstruction Demo")
with demo:
gr.Markdown(md_description)
gr.HTML("""<h1 style="text-align:center; color:#10768c">HDM Demo</h1>""")
gr.HTML("""<h3 style="text-align:center; color:#10768c">Instruction: Upload RGB, human, object masks and then click reconstruct.</h1>""")
# Input data
with gr.Row():
input_rgb = gr.Image(label='Input RGB', type='numpy')
input_mask_hum = gr.Image(label='Human mask', type='numpy')
with gr.Row():
input_mask_obj = gr.Image(label='Object mask', type='numpy')
with gr.Column():
# TODO: add hint for this value here
input_std = gr.Number(label='Gaussian std coverage', value=3.5)
input_seed = gr.Number(label='Random seed', value=42)
# TODO: add description outside label
input_cls = gr.Dropdown(label='Object category (we have fine tuned the model for specific categories, '
'reconstructing with these model should lead to better result '
'for specific categories.) ',
choices=['general', 'backpack', 'ball', 'bottle', 'box',
'chair', 'skateboard', 'suitcase', 'table'],
value='general')
# Output visualization
with gr.Row():
pc_plot = gr.Plot(label="Reconstructed point cloud")
out_pc_download = gr.File(label="3D reconstruction for download") # this allows downloading
with gr.Row():
out_log = gr.TextArea(label='Output log')
gr.HTML("""<br/>""")
# Control
with gr.Row():
button_recon = gr.Button("Start Reconstruction", interactive=True, variant='secondary')
button_recon.click(fn=partial(inference, runner, cfg),
inputs=[input_rgb, input_mask_hum, input_mask_obj, input_std, input_seed, input_cls],
outputs=[pc_plot, out_pc_download, out_log])
gr.HTML("""<br/>""")
# Example input
example_dir = cfg.run.code_dir_abs+"/examples"
rgb, ps, obj = 'k1.color.jpg', 'k1.person_mask.png', 'k1.obj_rend_mask.png'
example_images = gr.Examples([
[f"{example_dir}/017450/{rgb}", f"{example_dir}/017450/{ps}", f"{example_dir}/017450/{obj}", 3.0, 42, 'skateboard'],
[f"{example_dir}/002446/{rgb}", f"{example_dir}/002446/{ps}", f"{example_dir}/002446/{obj}", 3.0, 42, 'ball'],
[f"{example_dir}/053431/{rgb}", f"{example_dir}/053431/{ps}", f"{example_dir}/053431/{obj}", 3.8, 42, 'chair'],
[f"{example_dir}/158107/{rgb}", f"{example_dir}/158107/{ps}", f"{example_dir}/158107/{obj}", 3.8, 42, 'chair'],
], inputs=[input_rgb, input_mask_hum, input_mask_obj, input_std, input_seed, input_cls],)
# demo.launch(share=True)
# Enabling queue for runtime>60s, see: https://github.com/tloen/alpaca-lora/issues/60#issuecomment-1510006062
demo.queue().launch(share=True)
if __name__ == '__main__':
main()