Delete app.py
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app.py
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import gradio as gr
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from PIL import Image
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import torch
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import numpy as np
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import faiss
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from transformers import (
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BlipProcessor,
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BlipForConditionalGeneration,
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CLIPProcessor,
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CLIPModel
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)
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from datasets import load_dataset
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wikiart_dataset = load_dataset("huggan/wikiart", split="train", streaming=True)
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def get_item_streaming(dataset, idx):
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for i, item in enumerate(dataset):
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if i == idx:
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return item
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raise IndexError("Index out of range")
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device = torch.device("cuda" if torch.cuda.is_available() else "mps" if torch.backends.mps.is_available() else "cpu")
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blip_processor = BlipProcessor.from_pretrained("Salesforce/blip-image-captioning-base")
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blip_model = BlipForConditionalGeneration.from_pretrained("Salesforce/blip-image-captioning-base").to(device).eval()
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clip_model = CLIPModel.from_pretrained("openai/clip-vit-base-patch32").to(device).eval()
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clip_processor = CLIPProcessor.from_pretrained("openai/clip-vit-base-patch32")
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image_index = faiss.read_index("image_index.faiss")
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text_index = faiss.read_index("text_index.faiss")
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def generate_caption(image: Image.Image):
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inputs = blip_processor(image, return_tensors="pt").to(device)
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with torch.no_grad():
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caption_ids = blip_model.generate(**inputs)
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caption = blip_processor.decode(caption_ids[0], skip_special_tokens=True)
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return caption
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def get_clip_text_embedding(text):
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inputs = clip_processor(text=[text], return_tensors="pt", padding=True).to(device)
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with torch.no_grad():
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features = clip_model.get_text_features(**inputs)
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features = features.cpu().numpy().astype("float32")
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faiss.normalize_L2(features)
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return features
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def get_clip_image_embedding(image):
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inputs = clip_processor(images=image, return_tensors="pt").to(device)
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with torch.no_grad():
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features = clip_model.get_image_features(**inputs)
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features = features.cpu().numpy().astype("float32")
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faiss.normalize_L2(features)
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return features
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def get_results_with_images(embedding, index, top_k=2):
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D, I = index.search(embedding, top_k)
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results = []
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for idx in I[0]:
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try:
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item = get_item_streaming(wikiart_dataset, int(idx))
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img = item["image"]
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title = item.get("title", "Untitled")
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artist = item.get("artist", "Unknown")
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caption = f"ID: {idx}\n{title} — {artist}"
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results.append((img, caption))
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except IndexError:
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continue
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return results
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# Основная функция поиска
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def search_similar_images(image: Image.Image):
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caption = generate_caption(image)
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text_emb = get_clip_text_embedding(caption)
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image_emb = get_clip_image_embedding(image)
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text_results = get_results_with_images(text_emb, text_index)
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image_results = get_results_with_images(image_emb, image_index)
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return caption, text_results, image_results
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demo = gr.Interface(
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fn=search_similar_images,
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inputs=gr.Image(label="Загрузите изображение", type="pil"),
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outputs=[
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gr.Textbox(label="📜 Сгенерированное описание"),
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gr.Gallery(label="🔍 Похожие по описанию (CLIP)", height="auto", columns=2),
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gr.Gallery(label="🎨 Похожие по изображению (CLIP)", height="auto", columns=2)
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],
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title="🎨 Semantic WikiArt Search (BLIP + CLIP)",
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description="Загрузите изображение. Модель BLIP сгенерирует описание, а CLIP найдёт похожие картины по тексту и изображению."
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)
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demo.launch()
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