| import torch |
| import numpy as np |
| from PIL import Image, ImageDraw, ImageFont |
| import gradio as gr |
| from diffusers import DiffusionPipeline |
| from huggingface_hub import hf_hub_download |
| import os |
|
|
| |
| use_custom_weights = True |
| custom_weights_path = hf_hub_download( |
| repo_id="focuzz/depth-estimation", |
| filename="unet_weights.pth" |
| ) |
|
|
| device = "cuda" if torch.cuda.is_available() else "cpu" |
| dtype = torch.float16 if device == "cuda" else torch.float32 |
|
|
| |
| pipe = DiffusionPipeline.from_pretrained( |
| "prs-eth/marigold-v1-0", |
| custom_pipeline="marigold_depth_estimation", |
| torch_dtype=dtype |
| ).to(device) |
|
|
| |
| if use_custom_weights: |
| state_dict = torch.load(custom_weights_path, map_location=device) |
| prefix = "unet.conv_in." if any(k.startswith("unet.conv_in.") for k in state_dict) else "conv_in." |
| conv_in_dict = { |
| k.replace(prefix, ""): v |
| for k, v in state_dict.items() |
| if k.startswith(prefix) |
| } |
| pipe.unet.conv_in.load_state_dict(conv_in_dict) |
| print("Загружены дообученные веса conv_in из:", custom_weights_path) |
|
|
| |
| def add_overlay(image: Image.Image, label: str) -> Image.Image: |
| image = image.copy() |
| draw = ImageDraw.Draw(image) |
| try: |
| font = ImageFont.load_default() |
| except: |
| font = None |
| draw.text((10, 10), label, fill="white", font=font) |
| return image |
|
|
| |
| TARGET_SIZE = (768, 768) |
| def normalize_depth(depth_np): |
| d = np.copy(depth_np) |
| d_min = np.percentile(d, 1) |
| d_max = np.percentile(d, 99) |
| d = np.clip((d - d_min) / (d_max - d_min), 0, 1) |
| return (d * 255).astype(np.uint8) |
|
|
| def generate_gallery(): |
| example_files = ["example1.jpg", "example2.jpg", "example3.jpg", "example4.jpg"] |
| rgbs = [] |
| depths_gray = [] |
| depths_color = [] |
|
|
| for path in example_files: |
| if not os.path.exists(path): |
| continue |
|
|
| rgb = Image.open(path).convert("RGB").resize(TARGET_SIZE) |
|
|
| with torch.no_grad(): |
| output = pipe( |
| rgb, |
| denoising_steps=4, |
| ensemble_size=5, |
| processing_res=768, |
| match_input_res=True, |
| batch_size=0, |
| color_map="Spectral", |
| show_progress_bar=False, |
| ) |
|
|
| depth_np = output.depth_np |
| gray_normalized = normalize_depth(depth_np) |
| depth_gray = Image.fromarray(gray_normalized).convert("RGB").resize(TARGET_SIZE, Image.BILINEAR) |
| depth_color = output.depth_colored.resize(TARGET_SIZE, Image.BILINEAR) |
|
|
| rgbs.append(add_overlay(rgb, "RGB")) |
| depths_gray.append(add_overlay(depth_gray, "Глубина (серая)")) |
| depths_color.append(add_overlay(depth_color, "Глубина (цветная)")) |
|
|
| return rgbs + depths_color + depths_gray |
|
|
| |
| with gr.Blocks() as demo: |
| gr.Markdown("## Генерация карт глубины") |
| gr.Markdown( |
| "Модель основана на Marigold (ETH), дообучена на indoor-сценах из NYUv2. " |
| "Сохраняет способность обрабатывать произвольные изображения благодаря наличию оригинальных U-Net весов." |
| ) |
|
|
| with gr.Row(): |
| with gr.Column(scale=1): |
| input_image = gr.Image(label="Загрузите RGB изображение", type="pil") |
| denoise = gr.Slider(1, 50, value=4, step=1, label="Шаги денойзинга") |
| ensemble = gr.Slider(1, 10, value=5, step=1, label="Размер ансамбля (количество запусков для одной картинки)") |
| resolution = gr.Slider(256, 1024, value=768, step=64, label="Разрешение обработки изображений") |
| match_res = gr.Checkbox(value=True, label="Сохранять исходное разрешение") |
| with gr.Column(scale=1): |
| output_image = gr.Image(label="Карта глубины") |
|
|
| def predict_depth(image, denoising_steps, ensemble_size, processing_res, match_input_res): |
| with torch.no_grad(): |
| output = pipe( |
| image, |
| denoising_steps=denoising_steps, |
| ensemble_size=ensemble_size, |
| processing_res=processing_res, |
| match_input_res=match_input_res, |
| batch_size=0, |
| color_map="Spectral", |
| show_progress_bar=False, |
| ) |
| return output.depth_colored |
|
|
| submit_btn = gr.Button("Выполнить предсказание") |
| submit_btn.click( |
| predict_depth, |
| inputs=[input_image, denoise, ensemble, resolution, match_res], |
| outputs=output_image |
| ) |
|
|
| gr.Markdown("### Примеры:") |
| gallery = gr.Gallery(label="Сравнение RGB и Глубины", columns=4) |
| demo.load(fn=generate_gallery, outputs=gallery) |
|
|
| demo.launch(ssr_mode=False) |