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import logging
import os
import tempfile
import time
import gradio as gr
import numpy as np
import rembg
import torch
from PIL import Image
from functools import partial
from tsr.system import TSR
from tsr.utils import remove_background, resize_foreground, to_gradio_3d_orientation
#HF_TOKEN = os.getenv("HF_TOKEN")
HEADER = """
**TripoSR** is a state-of-the-art open-source model for **fast** feedforward 3D reconstruction from a single image, developed in collaboration between [Tripo AI](https://www.tripo3d.ai/) and [Stability AI](https://stability.ai/).
**Tips:**
1. If you find the result is unsatisfied, please try to change the foreground ratio. It might improve the results.
2. Please disable "Remove Background" option only if your input image is RGBA with transparent background, image contents are centered and occupy more than 70% of image width or height.
"""
if torch.cuda.is_available():
device = "cuda:0"
else:
device = "cpu"
model = TSR.from_pretrained(
"stabilityai/TripoSR",
config_name="config.yaml",
weight_name="model.ckpt",
# token=HF_TOKEN
)
model.renderer.set_chunk_size(131072)
model.to(device)
rembg_session = rembg.new_session()
def check_input_image(input_image):
if input_image is None:
raise gr.Error("No image uploaded!")
def preprocess(input_image, do_remove_background, foreground_ratio):
def fill_background(image):
image = np.array(image).astype(np.float32) / 255.0
image = image[:, :, :3] * image[:, :, 3:4] + (1 - image[:, :, 3:4]) * 0.5
image = Image.fromarray((image * 255.0).astype(np.uint8))
return image
if do_remove_background:
image = input_image.convert("RGB")
image = remove_background(image, rembg_session)
image = resize_foreground(image, foreground_ratio)
image = fill_background(image)
else:
image = input_image
if image.mode == "RGBA":
image = fill_background(image)
return image
def generate(image):
scene_codes = model(image, device=device)
mesh = model.extract_mesh(scene_codes)[0]
mesh = to_gradio_3d_orientation(mesh)
mesh_path = tempfile.NamedTemporaryFile(suffix=".obj", delete=False)
mesh.export(mesh_path.name)
return mesh_path.name
def run_example(image_pil):
preprocessed = preprocess(image_pil, False, 0.9)
mesh_name = generate(preprocessed)
return preprocessed, mesh_name
with gr.Blocks() as demo:
gr.Markdown(HEADER)
with gr.Row(variant="panel"):
with gr.Column():
with gr.Row():
input_image = gr.Image(
label="Input Image",
image_mode="RGBA",
sources="upload",
type="pil",
elem_id="content_image",
)
processed_image = gr.Image(label="Processed Image", interactive=False)
with gr.Row():
with gr.Group():
do_remove_background = gr.Checkbox(
label="Remove Background", value=True
)
foreground_ratio = gr.Slider(
label="Foreground Ratio",
minimum=0.5,
maximum=1.0,
value=0.85,
step=0.05,
)
with gr.Row():
submit = gr.Button("Generate", elem_id="generate", variant="primary")
with gr.Column():
with gr.Tab("Model"):
output_model = gr.Model3D(
label="Output Model",
interactive=False,
)
with gr.Row(variant="panel"):
gr.Examples(
examples=[
os.path.join("examples", img_name) for img_name in sorted(os.listdir("examples"))
],
inputs=[input_image],
outputs=[processed_image, output_model],
#cache_examples=True,
fn=partial(run_example),
label="Examples",
examples_per_page=20
)
submit.click(fn=check_input_image, inputs=[input_image]).success(
fn=preprocess,
inputs=[input_image, do_remove_background, foreground_ratio],
outputs=[processed_image],
).success(
fn=generate,
inputs=[processed_image],
outputs=[output_model],
)
demo.queue(max_size=10)
demo.launch()
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