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app.py
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|
| 1 |
+
#!/usr/bin/env python3
|
| 2 |
+
"""
|
| 3 |
+
Interface Streamlit pour la classification de déchets - Version Hugging Face Spaces
|
| 4 |
+
Déployé sur Hugging Face Spaces avec téléchargement automatique des modèles
|
| 5 |
+
"""
|
| 6 |
+
|
| 7 |
+
import streamlit as st
|
| 8 |
+
import numpy as np
|
| 9 |
+
import pandas as pd
|
| 10 |
+
import matplotlib.pyplot as plt
|
| 11 |
+
import seaborn as sns
|
| 12 |
+
from PIL import Image
|
| 13 |
+
import tensorflow as tf
|
| 14 |
+
from tensorflow.keras.models import load_model
|
| 15 |
+
from tensorflow.keras.preprocessing import image
|
| 16 |
+
import os
|
| 17 |
+
from pathlib import Path
|
| 18 |
+
import logging
|
| 19 |
+
import requests
|
| 20 |
+
import zipfile
|
| 21 |
+
import tempfile
|
| 22 |
+
|
| 23 |
+
# Configuration de la page
|
| 24 |
+
st.set_page_config(
|
| 25 |
+
page_title="Classificateur de Déchets IA",
|
| 26 |
+
page_icon="♻️",
|
| 27 |
+
layout="wide",
|
| 28 |
+
initial_sidebar_state="expanded"
|
| 29 |
+
)
|
| 30 |
+
|
| 31 |
+
# Configuration du logging
|
| 32 |
+
logging.basicConfig(level=logging.INFO)
|
| 33 |
+
logger = logging.getLogger(__name__)
|
| 34 |
+
|
| 35 |
+
class WasteClassifierUI:
|
| 36 |
+
"""Classe principale pour l'interface de classification de déchets."""
|
| 37 |
+
|
| 38 |
+
def __init__(self):
|
| 39 |
+
self.model_v1 = None
|
| 40 |
+
self.model_v2 = None
|
| 41 |
+
self.class_names = ["Papier", "Plastique"]
|
| 42 |
+
self.target_size = (96, 96)
|
| 43 |
+
|
| 44 |
+
# Chemins des modèles pour Hugging Face Spaces
|
| 45 |
+
self.models_dir = Path("models")
|
| 46 |
+
self.models_dir.mkdir(exist_ok=True)
|
| 47 |
+
|
| 48 |
+
self.model_v1_path = self.models_dir / "waste_classifier_v1.h5"
|
| 49 |
+
self.model_v2_path = self.models_dir / "waste_classifier_v2.h5"
|
| 50 |
+
|
| 51 |
+
# URLs des modèles (à remplacer par vos URLs Hugging Face)
|
| 52 |
+
# Pour Docker, vous pouvez aussi utiliser des modèles locaux
|
| 53 |
+
self.model_v1_url = os.getenv('MODEL_V1_URL', "https://huggingface.co/your-username/waste-classifier/resolve/main/models/waste_classifier_v1.h5")
|
| 54 |
+
self.model_v2_url = os.getenv('MODEL_V2_URL', "https://huggingface.co/your-username/waste-classifier/resolve/main/models/waste_classifier_v2.h5")
|
| 55 |
+
|
| 56 |
+
# Vérifier si des modèles locaux existent (pour Docker)
|
| 57 |
+
local_v1 = Path("models/waste_classifier_v1.h5")
|
| 58 |
+
local_v2 = Path("models/waste_classifier_v2.h5")
|
| 59 |
+
|
| 60 |
+
if local_v1.exists():
|
| 61 |
+
self.model_v1_path = local_v1
|
| 62 |
+
if local_v2.exists():
|
| 63 |
+
self.model_v2_path = local_v2
|
| 64 |
+
|
| 65 |
+
def download_model(self, url, local_path):
|
| 66 |
+
"""Télécharge un modèle depuis une URL."""
|
| 67 |
+
try:
|
| 68 |
+
if local_path.exists():
|
| 69 |
+
logger.info(f"Modèle déjà présent: {local_path}")
|
| 70 |
+
return True
|
| 71 |
+
|
| 72 |
+
logger.info(f"Téléchargement du modèle depuis: {url}")
|
| 73 |
+
response = requests.get(url, stream=True)
|
| 74 |
+
response.raise_for_status()
|
| 75 |
+
|
| 76 |
+
with open(local_path, 'wb') as f:
|
| 77 |
+
for chunk in response.iter_content(chunk_size=8192):
|
| 78 |
+
f.write(chunk)
|
| 79 |
+
|
| 80 |
+
logger.info(f"Modèle téléchargé avec succès: {local_path}")
|
| 81 |
+
return True
|
| 82 |
+
|
| 83 |
+
except Exception as e:
|
| 84 |
+
logger.error(f"Erreur lors du téléchargement: {e}")
|
| 85 |
+
return False
|
| 86 |
+
|
| 87 |
+
def load_models(self):
|
| 88 |
+
"""Charge les modèles v1 et v2."""
|
| 89 |
+
try:
|
| 90 |
+
# Télécharger le modèle v1 si nécessaire
|
| 91 |
+
if not self.model_v1_path.exists():
|
| 92 |
+
st.info("Téléchargement du modèle v1...")
|
| 93 |
+
if not self.download_model(self.model_v1_url, self.model_v1_path):
|
| 94 |
+
st.warning("Impossible de télécharger le modèle v1")
|
| 95 |
+
else:
|
| 96 |
+
st.success("Modèle v1 téléchargé avec succès!")
|
| 97 |
+
|
| 98 |
+
# Charger le modèle v1
|
| 99 |
+
if self.model_v1_path.exists():
|
| 100 |
+
self.model_v1 = load_model(self.model_v1_path)
|
| 101 |
+
logger.info("Modèle v1 chargé avec succès")
|
| 102 |
+
else:
|
| 103 |
+
logger.warning("Modèle v1 non disponible")
|
| 104 |
+
|
| 105 |
+
# Télécharger le modèle v2 si nécessaire
|
| 106 |
+
if not self.model_v2_path.exists():
|
| 107 |
+
st.info("Téléchargement du modèle v2...")
|
| 108 |
+
if not self.download_model(self.model_v2_url, self.model_v2_path):
|
| 109 |
+
st.warning("Impossible de télécharger le modèle v2")
|
| 110 |
+
else:
|
| 111 |
+
st.success("Modèle v2 téléchargé avec succès!")
|
| 112 |
+
|
| 113 |
+
# Charger le modèle v2
|
| 114 |
+
if self.model_v2_path.exists():
|
| 115 |
+
self.model_v2 = load_model(self.model_v2_path)
|
| 116 |
+
logger.info("Modèle v2 chargé avec succès")
|
| 117 |
+
else:
|
| 118 |
+
logger.warning("Modèle v2 non disponible")
|
| 119 |
+
|
| 120 |
+
except Exception as e:
|
| 121 |
+
logger.error(f"Erreur lors du chargement des modèles: {e}")
|
| 122 |
+
st.error(f"Erreur lors du chargement des modèles: {e}")
|
| 123 |
+
|
| 124 |
+
def preprocess_image(self, img, target_size=(96, 96)):
|
| 125 |
+
"""Préprocesse une image pour la prédiction."""
|
| 126 |
+
try:
|
| 127 |
+
# Redimensionner l'image
|
| 128 |
+
img_resized = img.resize(target_size)
|
| 129 |
+
|
| 130 |
+
# Convertir en array numpy
|
| 131 |
+
img_array = image.img_to_array(img_resized)
|
| 132 |
+
|
| 133 |
+
# Normaliser les pixels (0-255 -> 0-1)
|
| 134 |
+
img_array = img_array / 255.0
|
| 135 |
+
|
| 136 |
+
# Ajouter une dimension de batch
|
| 137 |
+
img_array = np.expand_dims(img_array, axis=0)
|
| 138 |
+
|
| 139 |
+
return img_array
|
| 140 |
+
|
| 141 |
+
except Exception as e:
|
| 142 |
+
logger.error(f"Erreur lors du preprocessing: {e}")
|
| 143 |
+
st.error(f"Erreur lors du preprocessing: {e}")
|
| 144 |
+
return None
|
| 145 |
+
|
| 146 |
+
def predict_image(self, img_array, model, model_name):
|
| 147 |
+
"""Prédit la classe d'une image avec un modèle donné."""
|
| 148 |
+
try:
|
| 149 |
+
if model is None:
|
| 150 |
+
return None
|
| 151 |
+
|
| 152 |
+
# Faire la prédiction
|
| 153 |
+
predictions = model.predict(img_array, verbose=0)
|
| 154 |
+
|
| 155 |
+
# Obtenir la classe prédite et la confiance
|
| 156 |
+
predicted_class_idx = np.argmax(predictions[0])
|
| 157 |
+
confidence = predictions[0][predicted_class_idx]
|
| 158 |
+
predicted_class = self.class_names[predicted_class_idx]
|
| 159 |
+
|
| 160 |
+
# Obtenir les probabilités pour toutes les classes
|
| 161 |
+
class_probabilities = {}
|
| 162 |
+
for i, class_name in enumerate(self.class_names):
|
| 163 |
+
class_probabilities[class_name] = float(predictions[0][i])
|
| 164 |
+
|
| 165 |
+
result = {
|
| 166 |
+
'model_name': model_name,
|
| 167 |
+
'predicted_class': predicted_class,
|
| 168 |
+
'confidence': float(confidence),
|
| 169 |
+
'class_probabilities': class_probabilities
|
| 170 |
+
}
|
| 171 |
+
|
| 172 |
+
return result
|
| 173 |
+
|
| 174 |
+
except Exception as e:
|
| 175 |
+
logger.error(f"Erreur lors de la prédiction avec {model_name}: {e}")
|
| 176 |
+
st.error(f"Erreur lors de la prédiction avec {model_name}: {e}")
|
| 177 |
+
return None
|
| 178 |
+
|
| 179 |
+
def create_confidence_chart(self, results):
|
| 180 |
+
"""Crée un graphique en barres des probabilités de confiance."""
|
| 181 |
+
if not results:
|
| 182 |
+
return None
|
| 183 |
+
|
| 184 |
+
fig, axes = plt.subplots(1, len(results), figsize=(6 * len(results), 5))
|
| 185 |
+
if len(results) == 1:
|
| 186 |
+
axes = [axes]
|
| 187 |
+
|
| 188 |
+
for i, result in enumerate(results):
|
| 189 |
+
if result is None:
|
| 190 |
+
continue
|
| 191 |
+
|
| 192 |
+
classes = list(result['class_probabilities'].keys())
|
| 193 |
+
probabilities = list(result['class_probabilities'].values())
|
| 194 |
+
|
| 195 |
+
# Créer le graphique en barres
|
| 196 |
+
bars = axes[i].bar(classes, probabilities,
|
| 197 |
+
color=['#2E8B57' if c == result['predicted_class'] else '#4682B4'
|
| 198 |
+
for c in classes])
|
| 199 |
+
|
| 200 |
+
axes[i].set_title(f"{result['model_name']}\nPrédiction: {result['predicted_class']}\nConfiance: {result['confidence']:.3f}")
|
| 201 |
+
axes[i].set_ylabel("Probabilité")
|
| 202 |
+
axes[i].set_ylim(0, 1)
|
| 203 |
+
|
| 204 |
+
# Ajouter les valeurs sur les barres
|
| 205 |
+
for bar, prob in zip(bars, probabilities):
|
| 206 |
+
height = bar.get_height()
|
| 207 |
+
axes[i].text(bar.get_x() + bar.get_width()/2., height + 0.01,
|
| 208 |
+
f'{prob:.3f}', ha='center', va='bottom', fontweight='bold')
|
| 209 |
+
|
| 210 |
+
plt.tight_layout()
|
| 211 |
+
return fig
|
| 212 |
+
|
| 213 |
+
def run(self):
|
| 214 |
+
"""Lance l'interface Streamlit."""
|
| 215 |
+
# Titre principal
|
| 216 |
+
st.title("♻️ Classificateur de Déchets IA")
|
| 217 |
+
st.markdown("---")
|
| 218 |
+
|
| 219 |
+
# Charger les modèles
|
| 220 |
+
if self.model_v1 is None or self.model_v2 is None:
|
| 221 |
+
with st.spinner("Chargement des modèles..."):
|
| 222 |
+
self.load_models()
|
| 223 |
+
|
| 224 |
+
# Sidebar pour la configuration
|
| 225 |
+
st.sidebar.header("Configuration")
|
| 226 |
+
|
| 227 |
+
# Sélection du modèle
|
| 228 |
+
available_models = []
|
| 229 |
+
if self.model_v1 is not None:
|
| 230 |
+
available_models.append("Modèle v1")
|
| 231 |
+
if self.model_v2 is not None:
|
| 232 |
+
available_models.append("Modèle v2")
|
| 233 |
+
|
| 234 |
+
if not available_models:
|
| 235 |
+
st.error("Aucun modèle disponible. Vérifiez la connexion internet et réessayez.")
|
| 236 |
+
return
|
| 237 |
+
|
| 238 |
+
selected_models = st.sidebar.multiselect(
|
| 239 |
+
"Sélectionnez les modèles à utiliser:",
|
| 240 |
+
available_models,
|
| 241 |
+
default=available_models
|
| 242 |
+
)
|
| 243 |
+
|
| 244 |
+
# Upload d'image
|
| 245 |
+
st.sidebar.header("Upload d'image")
|
| 246 |
+
uploaded_file = st.sidebar.file_uploader(
|
| 247 |
+
"Choisissez une image de déchet:",
|
| 248 |
+
type=['jpg', 'jpeg', 'png', 'bmp', 'tiff'],
|
| 249 |
+
help="Formats supportés: JPG, JPEG, PNG, BMP, TIFF"
|
| 250 |
+
)
|
| 251 |
+
|
| 252 |
+
# Zone principale
|
| 253 |
+
col1, col2 = st.columns([1, 1])
|
| 254 |
+
|
| 255 |
+
with col1:
|
| 256 |
+
st.header("Image d'entrée")
|
| 257 |
+
if uploaded_file is not None:
|
| 258 |
+
# Afficher l'image uploadée
|
| 259 |
+
image_pil = Image.open(uploaded_file)
|
| 260 |
+
st.image(image_pil, caption="Image uploadée", use_column_width=True)
|
| 261 |
+
|
| 262 |
+
# Informations sur l'image
|
| 263 |
+
st.info(f"**Dimensions originales:** {image_pil.size[0]} x {image_pil.size[1]} pixels")
|
| 264 |
+
|
| 265 |
+
# Bouton de prédiction
|
| 266 |
+
if st.button("🔍 Classifier l'image", type="primary"):
|
| 267 |
+
if not selected_models:
|
| 268 |
+
st.warning("Veuillez sélectionner au moins un modèle.")
|
| 269 |
+
else:
|
| 270 |
+
with st.spinner("Classification en cours..."):
|
| 271 |
+
# Préprocesser l'image
|
| 272 |
+
img_array = self.preprocess_image(image_pil, self.target_size)
|
| 273 |
+
|
| 274 |
+
if img_array is not None:
|
| 275 |
+
# Faire les prédictions
|
| 276 |
+
results = []
|
| 277 |
+
for model_name in selected_models:
|
| 278 |
+
if model_name == "Modèle v1" and self.model_v1 is not None:
|
| 279 |
+
result = self.predict_image(img_array, self.model_v1, "Modèle v1")
|
| 280 |
+
results.append(result)
|
| 281 |
+
elif model_name == "Modèle v2" and self.model_v2 is not None:
|
| 282 |
+
result = self.predict_image(img_array, self.model_v2, "Modèle v2")
|
| 283 |
+
results.append(result)
|
| 284 |
+
|
| 285 |
+
# Stocker les résultats dans la session
|
| 286 |
+
st.session_state['prediction_results'] = results
|
| 287 |
+
st.session_state['uploaded_image'] = image_pil
|
| 288 |
+
else:
|
| 289 |
+
st.info("Veuillez uploader une image pour commencer la classification.")
|
| 290 |
+
|
| 291 |
+
with col2:
|
| 292 |
+
st.header("Résultats de classification")
|
| 293 |
+
|
| 294 |
+
# Afficher les résultats
|
| 295 |
+
if 'prediction_results' in st.session_state and st.session_state['prediction_results']:
|
| 296 |
+
results = st.session_state['prediction_results']
|
| 297 |
+
|
| 298 |
+
# Résumé des prédictions
|
| 299 |
+
st.subheader("📊 Résumé des prédictions")
|
| 300 |
+
|
| 301 |
+
for result in results:
|
| 302 |
+
if result is not None:
|
| 303 |
+
col_pred, col_conf = st.columns([2, 1])
|
| 304 |
+
with col_pred:
|
| 305 |
+
st.write(f"**{result['model_name']}:**")
|
| 306 |
+
with col_conf:
|
| 307 |
+
confidence_pct = result['confidence'] * 100
|
| 308 |
+
st.metric("Confiance", f"{confidence_pct:.1f}%")
|
| 309 |
+
|
| 310 |
+
# Barre de progression pour la confiance
|
| 311 |
+
st.progress(result['confidence'])
|
| 312 |
+
|
| 313 |
+
# Détails des probabilités
|
| 314 |
+
with st.expander(f"Détails - {result['model_name']}"):
|
| 315 |
+
for class_name, prob in result['class_probabilities'].items():
|
| 316 |
+
prob_pct = prob * 100
|
| 317 |
+
st.write(f"**{class_name}:** {prob_pct:.2f}%")
|
| 318 |
+
|
| 319 |
+
# Graphique de comparaison
|
| 320 |
+
if len(results) > 1:
|
| 321 |
+
st.subheader("📈 Comparaison des modèles")
|
| 322 |
+
fig = self.create_confidence_chart(results)
|
| 323 |
+
if fig is not None:
|
| 324 |
+
st.pyplot(fig)
|
| 325 |
+
|
| 326 |
+
# Recommandation
|
| 327 |
+
st.subheader("💡 Recommandation")
|
| 328 |
+
if len(results) == 1:
|
| 329 |
+
result = results[0]
|
| 330 |
+
if result is not None:
|
| 331 |
+
confidence_pct = result['confidence'] * 100
|
| 332 |
+
if confidence_pct >= 80:
|
| 333 |
+
st.success(f"Classification très fiable: {result['predicted_class']} ({confidence_pct:.1f}%)")
|
| 334 |
+
elif confidence_pct >= 60:
|
| 335 |
+
st.warning(f"Classification modérée: {result['predicted_class']} ({confidence_pct:.1f}%)")
|
| 336 |
+
else:
|
| 337 |
+
st.error(f"Classification incertaine: {result['predicted_class']} ({confidence_pct:.1f}%)")
|
| 338 |
+
else:
|
| 339 |
+
# Comparer les résultats des différents modèles
|
| 340 |
+
predictions = [r['predicted_class'] for r in results if r is not None]
|
| 341 |
+
confidences = [r['confidence'] for r in results if r is not None]
|
| 342 |
+
|
| 343 |
+
if len(set(predictions)) == 1:
|
| 344 |
+
st.success(f"✅ Consensus: Tous les modèles prédisent '{predictions[0]}'")
|
| 345 |
+
else:
|
| 346 |
+
st.warning("⚠️ Divergence: Les modèles donnent des prédictions différentes")
|
| 347 |
+
for i, (pred, conf) in enumerate(zip(predictions, confidences)):
|
| 348 |
+
st.write(f"- {results[i]['model_name']}: {pred} ({conf*100:.1f}%)")
|
| 349 |
+
else:
|
| 350 |
+
st.info("Les résultats de classification apparaîtront ici après l'analyse.")
|
| 351 |
+
|
| 352 |
+
# Footer
|
| 353 |
+
st.markdown("---")
|
| 354 |
+
st.markdown(
|
| 355 |
+
"""
|
| 356 |
+
<div style='text-align: center; color: #666;'>
|
| 357 |
+
<p>Classificateur de Déchets IA - Modèles v1 et v2</p>
|
| 358 |
+
<p>Déployé sur Hugging Face Spaces</p>
|
| 359 |
+
</div>
|
| 360 |
+
""",
|
| 361 |
+
unsafe_allow_html=True
|
| 362 |
+
)
|
| 363 |
+
|
| 364 |
+
def main():
|
| 365 |
+
"""Fonction principale."""
|
| 366 |
+
classifier_ui = WasteClassifierUI()
|
| 367 |
+
classifier_ui.run()
|
| 368 |
+
|
| 369 |
+
if __name__ == "__main__":
|
| 370 |
+
main()
|