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Running
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Zero
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import huggingface_hub
huggingface_hub.snapshot_download(
repo_id='h94/IP-Adapter',
allow_patterns=[
'models/**',
'sdxl_models/**',
],
local_dir='./',
local_dir_use_symlinks=False,
)
import gradio as gr
from diffusers import StableDiffusionXLControlNetInpaintPipeline, ControlNetModel
from rembg import remove
from PIL import Image
import torch
from ip_adapter import IPAdapterXL
from ip_adapter.utils import register_cross_attention_hook, get_net_attn_map, attnmaps2images
from PIL import Image, ImageChops, ImageEnhance
import numpy as np
import os
import glob
import torch
import cv2
import argparse
import DPT.util.io
from torchvision.transforms import Compose
from DPT.dpt.models import DPTDepthModel
from DPT.dpt.midas_net import MidasNet_large
from DPT.dpt.transforms import Resize, NormalizeImage, PrepareForNet
"""
Get ZeST Ready
"""
base_model_path = "stabilityai/stable-diffusion-xl-base-1.0"
image_encoder_path = "models/image_encoder"
ip_ckpt = "sdxl_models/ip-adapter_sdxl_vit-h.bin"
controlnet_path = "diffusers/controlnet-depth-sdxl-1.0"
device = "cuda"
torch.cuda.empty_cache()
# load SDXL pipeline
controlnet = ControlNetModel.from_pretrained(controlnet_path, variant="fp16", use_safetensors=True, torch_dtype=torch.float16).to(device)
pipe = StableDiffusionXLControlNetInpaintPipeline.from_pretrained(
base_model_path,
controlnet=controlnet,
use_safetensors=True,
torch_dtype=torch.float16,
add_watermarker=False,
).to(device)
pipe.unet = register_cross_attention_hook(pipe.unet)
ip_model = IPAdapterXL(pipe, image_encoder_path, ip_ckpt, device)
"""
Get Depth Model Ready
"""
model_path = "DPT/weights/dpt_hybrid-midas-501f0c75.pt"
net_w = net_h = 384
model = DPTDepthModel(
path=model_path,
backbone="vitb_rn50_384",
non_negative=True,
enable_attention_hooks=False,
)
normalization = NormalizeImage(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5])
transform = Compose(
[
Resize(
net_w,
net_h,
resize_target=None,
keep_aspect_ratio=True,
ensure_multiple_of=32,
resize_method="minimal",
image_interpolation_method=cv2.INTER_CUBIC,
),
normalization,
PrepareForNet(),
]
)
model.eval()
def greet(input_image, material_exemplar):
"""
Compute depth map from input_image
"""
img = np.array(input_image)
img_input = transform({"image": img})["image"]
# compute
with torch.no_grad():
sample = torch.from_numpy(img_input).unsqueeze(0)
# if optimize == True and device == torch.device("cuda"):
# sample = sample.to(memory_format=torch.channels_last)
# sample = sample.half()
prediction = model.forward(sample)
prediction = (
torch.nn.functional.interpolate(
prediction.unsqueeze(1),
size=img.shape[:2],
mode="bicubic",
align_corners=False,
)
.squeeze()
.cpu()
.numpy()
)
depth_min = prediction.min()
depth_max = prediction.max()
bits = 2
max_val = (2 ** (8 * bits)) - 1
if depth_max - depth_min > np.finfo("float").eps:
out = max_val * (prediction - depth_min) / (depth_max - depth_min)
else:
out = np.zeros(prediction.shape, dtype=depth.dtype)
out = (out / 256).astype('uint8')
depth_map = Image.fromarray(out).resize((1024, 1024))
"""
Process foreground decolored image
"""
rm_bg = remove(input_image)
target_mask = rm_bg.convert("RGB").point(lambda x: 0 if x < 1 else 255).convert('L').convert('RGB')
mask_target_img = ImageChops.lighter(input_image, target_mask)
invert_target_mask = ImageChops.invert(target_mask)
gray_target_image = input_image.convert('L').convert('RGB')
gray_target_image = ImageEnhance.Brightness(gray_target_image)
factor = 1.0 # Try adjusting this to get the desired brightness
gray_target_image = gray_target_image.enhance(factor)
grayscale_img = ImageChops.darker(gray_target_image, target_mask)
img_black_mask = ImageChops.darker(input_image, invert_target_mask)
grayscale_init_img = ImageChops.lighter(img_black_mask, grayscale_img)
init_img = grayscale_init_img
"""
Process material exemplar and resize all images
"""
ip_image = material_exemplar.resize((1024, 1024))
init_img = init_img.resize((1024,1024))
mask = target_mask.resize((1024, 1024))
num_samples = 1
images = ip_model.generate(pil_image=ip_image, image=init_img, control_image=depth_map, mask_image=mask, controlnet_conditioning_scale=0.9, num_samples=num_samples, num_inference_steps=30, seed=42)
return images[0]
input_image = gr.Image(type="pil")
input_image2 = gr.Image(type="pil")
demo = gr.Interface(
fn=greet,
inputs=[input_image, input_image2],
title="ZeST: Zero-Shot Material Transfer from a Single Image",
description="Upload two images -- input image and material exemplar. ZeST extracts the material from the exemplar and cast it onto the input image following the original lighting cues.",
outputs=["image"],
allow_flagging='never'
)
demo.launch()
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