gan-control / app.py
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#!/usr/bin/env python
from __future__ import annotations
import functools
import os
import pathlib
import shlex
import subprocess
import sys
import tarfile
import gradio as gr
import huggingface_hub
import numpy as np
import PIL.Image
import torch
if os.getenv('SYSTEM') == 'spaces':
with open('patch') as f:
subprocess.run(shlex.split('patch -p1'), cwd='gan-control', stdin=f)
sys.path.insert(0, 'gan-control/src')
from gan_control.inference.controller import Controller
TITLE = 'GAN-Control'
DESCRIPTION = 'https://github.com/amazon-research/gan-control'
def download_models() -> None:
model_dir = pathlib.Path('controller_age015id025exp02hai04ori02gam15')
if not model_dir.exists():
path = huggingface_hub.hf_hub_download(
'public-data/gan-control',
'controller_age015id025exp02hai04ori02gam15.tar.gz')
with tarfile.open(path) as f:
f.extractall()
@torch.inference_mode()
def run(
seed: int,
truncation: float,
yaw: int,
pitch: int,
age: int,
hair_color_r: float,
hair_color_g: float,
hair_color_b: float,
nrows: int,
ncols: int,
controller: Controller,
device: torch.device,
) -> PIL.Image.Image:
seed = int(np.clip(seed, 0, np.iinfo(np.uint32).max))
batch_size = nrows * ncols
latent_size = controller.config.model_config['latent_size']
latent = torch.from_numpy(
np.random.RandomState(seed).randn(batch_size,
latent_size)).float().to(device)
initial_image_tensors, initial_latent_z, initial_latent_w = controller.gen_batch(
latent=latent, truncation=truncation)
res0 = controller.make_resized_grid_image(initial_image_tensors,
nrow=ncols)
pose_control = torch.tensor([[yaw, pitch, 0]], dtype=torch.float32)
image_tensors, _, modified_latent_w = controller.gen_batch_by_controls(
latent=initial_latent_w,
input_is_latent=True,
orientation=pose_control)
res1 = controller.make_resized_grid_image(image_tensors, nrow=ncols)
age_control = torch.tensor([[age]], dtype=torch.float32)
image_tensors, _, modified_latent_w = controller.gen_batch_by_controls(
latent=initial_latent_w, input_is_latent=True, age=age_control)
res2 = controller.make_resized_grid_image(image_tensors, nrow=ncols)
hair_color = torch.tensor([[hair_color_r, hair_color_g, hair_color_b]],
dtype=torch.float32) / 255
hair_color = torch.clamp(hair_color, 0, 1)
image_tensors, _, modified_latent_w = controller.gen_batch_by_controls(
latent=initial_latent_w, input_is_latent=True, hair=hair_color)
res3 = controller.make_resized_grid_image(image_tensors, nrow=ncols)
return res0, res1, res2, res3
download_models()
device = torch.device('cuda:0' if torch.cuda.is_available() else 'cpu')
path = 'controller_age015id025exp02hai04ori02gam15/'
controller = Controller(path, device)
fn = functools.partial(run, controller=controller, device=device)
gr.Interface(
fn=fn,
inputs=[
gr.Slider(label='Seed', minimum=0, maximum=1000000, step=1, value=0),
gr.Slider(label='Truncation',
minimum=0,
maximum=1,
step=0.1,
value=0.7),
gr.Slider(label='Yaw', minimum=-90, maximum=90, step=1, value=30),
gr.Slider(label='Pitch', minimum=-90, maximum=90, step=1, value=0),
gr.Slider(label='Age', minimum=15, maximum=75, step=1, value=75),
gr.Slider(label='Hair Color (R)',
minimum=0,
maximum=255,
step=1,
value=186),
gr.Slider(label='Hair Color (G)',
minimum=0,
maximum=255,
step=1,
value=158),
gr.Slider(label='Hair Color (B)',
minimum=0,
maximum=255,
step=1,
value=92),
gr.Slider(label='Number of Rows',
minimum=1,
maximum=3,
step=1,
value=1),
gr.Slider(label='Number of Columns',
minimum=1,
maximum=5,
step=1,
value=5),
],
outputs=[
gr.Image(label='Generated Image', type='pil'),
gr.Image(label='Head Pose Controlled', type='pil'),
gr.Image(label='Age Controlled', type='pil'),
gr.Image(label='Hair Color Controlled', type='pil'),
],
title=TITLE,
description=DESCRIPTION,
).queue(max_size=10).launch()