Merge branch 'main' of https://github.com/GrgMdmn/OpenClassrooms_AI_Projects

app/main.py

@@ -1,24 +1,27 @@
 import os
 import sys
+import traceback
 import tempfile
 import shutil
 from datetime import datetime
 from typing import Optional, List
 from pathlib import Path
 import mlflow
-from fastapi import FastAPI, HTTPException, File, UploadFile, Form
+from fastapi import FastAPI, HTTPException, File, UploadFile
 from fastapi.responses import FileResponse
 from pydantic import BaseModel
 import numpy as np
 import pickle
 import base64
+import matplotlib.pyplot as plt
+import matplotlib.image as mpimg
+
 
 # Configuration MLflow avec variables d'environnement
 def configure_mlflow():
     """Configure MLflow avec les variables d'environnement"""
     print("=== DEBUG VARIABLES D'ENVIRONNEMENT ===")
     
-    # ✅ NETTOYAGE automatique des variables d'environnement
     mlflow_tracking_uri = os.getenv("MLFLOW_TRACKING_URI", "").strip()
     mlflow_s3_endpoint_url = os.getenv("MLFLOW_S3_ENDPOINT_URL", "").strip()
     aws_access_key_id = os.getenv("AWS_ACCESS_KEY_ID", "").strip()
@@ -33,11 +36,9 @@ def configure_mlflow():
     if not mlflow_tracking_uri:
         raise ValueError("MLFLOW_TRACKING_URI not found in environment variables")
     
-    # Configuration MLflow avec URLs nettoyées
     mlflow.set_tracking_uri(mlflow_tracking_uri)
     print(f"MLflow Tracking URI: {mlflow_tracking_uri}")
     
-    # ✅ CORRECTION: Configuration EXPLICITE des identifiants avec nettoyage
     if not mlflow_s3_endpoint_url or not aws_access_key_id or not aws_secret_access_key:
         raise ValueError("Variables d'environnement MLflow manquantes (S3_ENDPOINT, ACCESS_KEY, SECRET_KEY)")
     
@@ -46,66 +47,111 @@ def configure_mlflow():
     os.environ["AWS_SECRET_ACCESS_KEY"] = aws_secret_access_key
     print(f"MLflow S3 Endpoint: {mlflow_s3_endpoint_url}")
     print("✅ Identifiants AWS configurés")
-    
+    print("✅ Configuration MLflow terminée")
-    # ✅ SKIP set_experiment pour éviter le problème 404
-    # mlflow.set_experiment("OC Projet 8")  # Commenté temporairement
-    print("✅ Configuration MLflow terminée (sans set_experiment)")
 
 # Import des fonctions utils
 sys.path.append('.')
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 from utils.utils import (
     load_cityscapes_config, 
-    load_best_model_from_registry,
+    load_model,
     run_inference_and_visualize,
     colorize_mask
 )
 
-# ✅ AJOUT: Import segmentation_models pour le chargement des modèles
-try:
-    import segmentation_models as sm
-    print("✅ segmentation_models importé - modèles compatibles")
-except ImportError as e:
-    print(f"⚠️ segmentation_models non disponible: {e}")
-    print("💡 Installez avec: pip install git+https://github.com/qubvel/segmentation_models.git")
-
 # Configuration
 MODEL_NAME = "StreetsSegmentation"
 SAMPLE_IMAGES_DIR = "./notebooks/content/data/test_images_sample"
 CITYSCAPES_CONFIG_PATH = "./cityscapes_config.json"
 TEMP_UPLOAD_DIR = "/tmp/uploads"
 
-# Modèles de données
+# Modèles de données mis à jour
+class ModelInfo(BaseModel):
+    name: str
+    run_id: str
+    encoder_name: str
+    input_size: tuple
+    rank: int
+    architecture: Optional[str] = None  # Ajout architecture
+    test_mean_iou: Optional[float] = None   # Ajout mIoU
+    test_accuracy: Optional[float] = None   # Ajout accuracy
+    class_ious: Optional[dict] = None   # Ajout IoU par classe
+
+class ComparisonResult(BaseModel):
+    success: bool
+    message: str
+    model1_info: ModelInfo
+    model2_info: ModelInfo
+    image_path: Optional[str] = None
+    mask_path: Optional[str] = None
+    model1_stats: Optional[dict] = None
+    model2_stats: Optional[dict] = None
+    model1_inference_time: float
+    model2_inference_time: float
+    speed_comparison: dict
+    ground_truth_available: bool = False
+    figure_data: Optional[str] = None
+
 class ImageInfo(BaseModel):
     filename: str
     display_name: str
     has_ground_truth: bool
 
-class PredictionResult(BaseModel):
-    success: bool
-    message: str
-    image_path: Optional[str] = None
-    mask_path: Optional[str] = None
-    prediction_stats: Optional[dict] = None
-    ground_truth_available: bool = False
-    figure_data: Optional[str] = None
-
 class AvailableImagesResponse(BaseModel):
     images: List[ImageInfo]
     total_count: int
 
-# Variables globales pour le modèle
+# Variables globales pour les deux modèles
-model = None
+best_model = None
-encoder_name = None
+second_best_model = None
-script_img_size = None
+best_model_info = {}
+second_best_model_info = {}
 mapping_config = None
-run_id = None
 
-def initialize_model():
+def get_model_detailed_info(run_id, mapping_config):
-    """Initialise le modèle et la configuration au démarrage"""
+    """Récupère les informations détaillées d'un modèle depuis MLflow"""
-    global model, encoder_name, script_img_size, mapping_config, run_id
+    client = mlflow.tracking.MlflowClient()
+    
+    try:
+        run = mlflow.get_run(run_id)
+        params = run.data.params
+        metrics = run.data.metrics
+        
+        # Architecture depuis le paramètre model_architecture
+        architecture = params.get("model_architecture", "Unknown").split('_')[0]
+        
+        # Métriques de performance
+        test_mean_iou = metrics.get("test_mean_iou", None)
+        test_accuracy = metrics.get("test_accuracy", None)
+        
+        # IoU par classe depuis les métriques class_X_iou
+        class_ious = {}
+        if mapping_config and 'group_names' in mapping_config:
+            for i, class_name in enumerate(mapping_config['group_names']):
+                metric_key = f"class_{i}_iou"
+                if metric_key in metrics:
+                    class_ious[class_name] = round(metrics[metric_key], 3)
+        
+        return {
+            "architecture": architecture,
+            "test_mean_iou": test_mean_iou,
+            "test_accuracy": test_accuracy,
+            "class_ious": class_ious
+        }
+    except Exception as e:
+        print(f"⚠️ Erreur lors de la récupération des infos détaillées: {e}")
+        return {
+            "architecture": "Unknown",
+            "test_mean_iou": None,
+            "test_accuracy": None,
+            "class_ious": {}
+        }
+
+def initialize_models():
+    """Initialise les deux meilleurs modèles au démarrage"""
+    global best_model, second_best_model, best_model_info, second_best_model_info, mapping_config
     
     try:
-        # Configuration MLflow
         print("🔄 Configuration de MLflow...")
         configure_mlflow()
         
@@ -113,76 +159,99 @@ def initialize_model():
         mapping_config = load_cityscapes_config(CITYSCAPES_CONFIG_PATH, verbose=False)
         print("✅ Configuration Cityscapes chargée")
         
-        print("🔄 Chargement du modèle depuis MLflow...")
+        print("🔄 Chargement du meilleur modèle...")
-        print(f"🔍 Recherche du modèle: {MODEL_NAME}")
+        best_model, best_run_id, best_encoder_name, best_img_size = load_model(
-        model, run_id, encoder_name, script_img_size = load_best_model_from_registry(MODEL_NAME)
+            experiment_name="OC Projet 9", 
-        print("✅ Modèle téléchargé depuis MLflow")
+            metric="test_mean_iou", 
+            top_n=1
+        )
         
-        print(f"✅ Modèle chargé du run {run_id}")
+        # Récupérer les infos détaillées du meilleur modèle
-        print(f"📐 Encoder: {encoder_name}")
+        best_detailed_info = get_model_detailed_info(best_run_id, mapping_config)
-        print(f"📐 Input shape: {script_img_size}")
+        
-        print(f"🎨 Nombre de classes: {mapping_config['num_classes']}")
+        best_model_info = {
+            "name": "Meilleur modèle",
+            "run_id": best_run_id,
+            "encoder_name": best_encoder_name,
+            "input_size": best_img_size,
+            "rank": 1,
+            "architecture": best_detailed_info["architecture"],
+            "test_mean_iou": best_detailed_info["test_mean_iou"],
+            "test_accuracy": best_detailed_info["test_accuracy"],
+            "class_ious": best_detailed_info["class_ious"]
+        }
+        
+        print("🔄 Chargement du deuxième meilleur modèle...")
+        second_best_model, second_run_id, second_encoder_name, second_img_size = load_model(
+            experiment_name="OC Projet 9", 
+            metric="test_mean_iou", 
+            top_n=2
+        )
+        
+        # Récupérer les infos détaillées du deuxième modèle
+        second_detailed_info = get_model_detailed_info(second_run_id, mapping_config)
+        
+        second_best_model_info = {
+            "name": "Deuxième modèle",
+            "run_id": second_run_id,
+            "encoder_name": second_encoder_name,
+            "input_size": second_img_size,
+            "rank": 2,
+            "architecture": second_detailed_info["architecture"],
+            "test_mean_iou": second_detailed_info["test_mean_iou"],
+            "test_accuracy": second_detailed_info["test_accuracy"],
+            "class_ious": second_detailed_info["class_ious"]
+        }
         
-        # Créer le dossier temporaire
         os.makedirs(TEMP_UPLOAD_DIR, exist_ok=True)
         
     except Exception as e:
         print(f"❌ Erreur lors de l'initialisation: {e}")
-        import traceback
         traceback.print_exc()
         raise e
 
 # Initialisation de l'API
 app = FastAPI(
-    title="Multi-Class Segmentation API",
+    title="Multi-Class Segmentation Comparison API",
-    description="API de segmentation sémantique pour véhicules autonomes",
+    description="API de comparaison de segmentation sémantique avec deux modèles",
-    version="1.0.0"
+    version="2.0.0"
 )
 
-# ✅ AJOUT: Initialiser le modèle de manière plus robuste
 @app.on_event("startup")
 async def startup_event():
-    """Initialise le modèle au démarrage de l'API"""
     try:
-        initialize_model()
+        initialize_models()
-        print("🚀 API démarrée avec succès - Modèle chargé!")
+        print("🚀 API démarrée avec succès - Modèles chargés!")
     except Exception as e:
-        print(f"⚠️ ATTENTION: Impossible de charger le modèle au démarrage: {e}")
+        print(f"⚠️ ATTENTION: Impossible de charger les modèles au démarrage: {e}")
-        print("L'API démarre quand même mais les prédictions ne fonctionneront pas.")
 
 @app.get("/")
 def root():
     return {
-        "message": "Multi-Class Segmentation API - Online",
+        "message": "Multi-Class Segmentation Comparison API - Online",
-        "model_loaded": model is not None,
+        "models_loaded": best_model is not None and second_best_model is not None,
-        "model_run_id": run_id,
+        "best_model": best_model_info if best_model else None,
-        "encoder": encoder_name,
+        "second_best_model": second_best_model_info if second_best_model else None,
         "num_classes": mapping_config['num_classes'] if mapping_config else None
     }
 
 @app.get("/health")
 def health_check():
-    """Health check endpoint pour nginx"""
+    if best_model is None or second_best_model is None or mapping_config is None:
-    if model is None or mapping_config is None:
+        raise HTTPException(status_code=503, detail="Models not loaded")
-        raise HTTPException(status_code=503, detail="Model not loaded")
-    
     return {
         "status": "healthy",
-        "model_loaded": True,
+        "models_loaded": True,
         "timestamp": datetime.utcnow().isoformat()
     }
 
 @app.get("/models", response_model=dict)
-def get_model_info():
+def get_models_info():
-    """Retourne les informations du modèle chargé"""
+    if best_model is None or second_best_model is None:
-    if model is None:
+        raise HTTPException(status_code=503, detail="Models not loaded")
-        raise HTTPException(status_code=503, detail="Model not loaded")
-    
     return {
-        "model_name": MODEL_NAME,
+        "best_model": best_model_info,
-        "run_id": run_id,
+        "second_best_model": second_best_model_info,
-        "encoder": encoder_name,
-        "input_size": script_img_size,
         "num_classes": mapping_config['num_classes'],
         "class_names": mapping_config['group_names'],
         "class_colors": mapping_config['group_colors'].tolist()
@@ -190,238 +259,308 @@ def get_model_info():
 
 @app.get("/sample-images", response_model=AvailableImagesResponse)
 def get_sample_images():
-    """Retourne la liste des images d'exemple disponibles"""
     try:
         original_dir = Path(SAMPLE_IMAGES_DIR) / "original"
         mask_dir = Path(SAMPLE_IMAGES_DIR) / "mask"
-        
         if not original_dir.exists():
             raise HTTPException(status_code=404, detail="Sample images directory not found")
-        
         images = []
         for img_path in original_dir.glob("*leftImg8bit.png"):
-            # Construire le nom du masque correspondant
             base_name = img_path.stem.replace("_leftImg8bit", "")
             mask_name = f"{base_name}_gtFine_labelIds.png"
             mask_path = mask_dir / mask_name
-            
-            # Créer un nom d'affichage plus convivial
             display_name = base_name.replace("_", " ").title()
-            
             images.append(ImageInfo(
                 filename=img_path.name,
                 display_name=display_name,
                 has_ground_truth=mask_path.exists()
             ))
-        
-        # Trier par nom pour un affichage cohérent
         images.sort(key=lambda x: x.filename)
-        
+        return AvailableImagesResponse(images=images, total_count=len(images))
-        return AvailableImagesResponse(
-            images=images,
-            total_count=len(images)
-        )
-        
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"Error listing sample images: {str(e)}")
 
 @app.get("/sample-image/{filename}")
 def get_sample_image(filename: str):
-    """Sert une image d'exemple pour prévisualisation"""
     try:
-        print(f"🔍 DEBUG: Demande d'image: {filename}")
-        
         original_dir = Path(SAMPLE_IMAGES_DIR) / "original"
         image_path = original_dir / filename
-        
-        print(f"🔍 DEBUG: Chemin construit: {image_path}")
-        print(f"🔍 DEBUG: Fichier existe: {image_path.exists()}")
-        
         if not image_path.exists():
-            print(f"❌ DEBUG: Image non trouvée: {image_path}")
             raise HTTPException(status_code=404, detail=f"Sample image {filename} not found")
-        
-        # Vérifier que c'est bien un fichier image attendu (sécurité)
         if not filename.endswith('_leftImg8bit.png'):
-            print(f"❌ DEBUG: Format invalide: {filename}")
             raise HTTPException(status_code=400, detail="Invalid image filename format")
-        
-        print(f"✅ DEBUG: Envoi de l'image: {filename}")
         return FileResponse(
             image_path,
             media_type="image/png",
             headers={"Content-Disposition": f"inline; filename={filename}"}
         )
-        
     except HTTPException:
-        # Re-raise les HTTPException pour qu'elles soient gérées correctement
         raise
     except Exception as e:
-        print(f"❌ Erreur lors du service de l'image {filename}: {e}")
-        import traceback
-        traceback.print_exc()
         raise HTTPException(status_code=500, detail=f"Error serving image: {str(e)}")
 
 class SampleImageRequest(BaseModel):
     filename: str
 
-@app.post("/predict-sample", response_model=PredictionResult)
+@app.post("/compare-sample", response_model=ComparisonResult)
-def predict_sample_image(request: SampleImageRequest):
+def compare_sample_image(request: SampleImageRequest):
-    """Lance une prédiction sur une image d'exemple"""
+    if best_model is None or second_best_model is None or mapping_config is None:
-    if model is None or mapping_config is None:
+        raise HTTPException(status_code=503, detail="Models not loaded")
-        raise HTTPException(status_code=503, detail="Model not loaded")
-    
     try:
-        # Vérifier que l'image existe
         original_dir = Path(SAMPLE_IMAGES_DIR) / "original"
         image_path = original_dir / request.filename
-        
         if not image_path.exists():
             raise HTTPException(status_code=404, detail=f"Sample image {request.filename} not found")
-        
-        # Construire le chemin du masque de vérité
         base_name = image_path.stem.replace("_leftImg8bit", "")
         mask_name = f"{base_name}_gtFine_labelIds.png"
         mask_path = Path(SAMPLE_IMAGES_DIR) / "mask" / mask_name
-        
         mask_path_str = str(mask_path) if mask_path.exists() else None
         
-        print(f"🔮 Lancement de l'inférence sur {request.filename}")
+        # Inférence modèle 1 avec sa résolution spécifique
-        
+        pred1, t1, fig1 = run_inference_and_visualize(
-        # Lancer l'inférence (sans affichage pour l'API)
-        predicted_mask, fig = run_inference_and_visualize(
             image_path=str(image_path),
             mask_path=mask_path_str,
-            model=model,
+            model=best_model,
-            encoder_name=encoder_name,
+            encoder_name=None,  # Normalisé de la même manière
-            img_size=script_img_size,
+            img_size=best_model_info["input_size"],  # Utilise la résolution du modèle
             mapping_config=mapping_config,
-            save_dir=None,
+            save_dir=None, show_stats=False, show_plot=False
-            show_stats=False,
+        )
-            show_plot=False  # ← AJOUTÉ pour récupérer la figure
+        # Inférence modèle 2 avec sa résolution spécifique
+        pred2, t2, fig2 = run_inference_and_visualize(
+            image_path=str(image_path),
+            mask_path=mask_path_str,
+            model=second_best_model,
+            encoder_name=None,  # Normalisé de la même manière
+            img_size=second_best_model_info["input_size"],  # Utilise la résolution du modèle
+            mapping_config=mapping_config,
+            save_dir=None, show_stats=False, show_plot=False
         )
         
-        # Sérialiser la figure
+        # Créer une figure combinée avec les deux modèles
-        fig_bytes = pickle.dumps(fig)
+        # Nombre de colonnes : 3 si pas de GT, 4 si GT disponible
-        fig_b64 = base64.b64encode(fig_bytes).decode()
+        num_cols = 3 if not (mask_path_str and os.path.exists(mask_path_str)) else 4
+        fig, axes = plt.subplots(2, num_cols, figsize=(5*num_cols, 8))
         
-        # Calculer les statistiques
+        # Récupérer les images depuis les figures individuelles
-        unique_classes, counts = np.unique(predicted_mask, return_counts=True)
+        axes1 = fig1.get_axes()
-        total_pixels = predicted_mask.size
+        axes2 = fig2.get_axes()
         
+        # Ligne 1 : Modèle 1
+        for i in range(min(len(axes1), num_cols)):
+            ax_src = axes1[i]
+            ax_dst = axes[0, i]
+            
+            # Copier toutes les images de l'axe source
+            for img_obj in ax_src.get_images():
+                ax_dst.imshow(
+                    img_obj.get_array(),
+                    cmap=img_obj.get_cmap(),
+                    alpha=img_obj.get_alpha(),
+                    vmin=img_obj.get_clim()[0] if img_obj.get_clim() else None,
+                    vmax=img_obj.get_clim()[1] if img_obj.get_clim() else None
+                )
+            
+            # Copier le titre avec nom du modèle
+            original_title = ax_src.get_title()
+            if i == 0:
+                new_title = "Image originale"
+            elif "Prédit" in original_title:
+                new_title = f"Prédiction {best_model_info['architecture']} - {best_model_info['encoder_name']}"
+            else:
+                new_title = original_title
+            
+            ax_dst.set_title(new_title)
+            ax_dst.axis('off')
+        
+        # Ligne 2 : Modèle 2
+        for i in range(min(len(axes2), num_cols)):
+            ax_src = axes2[i]
+            ax_dst = axes[1, i]
+            
+            # Copier toutes les images de l'axe source
+            for img_obj in ax_src.get_images():
+                ax_dst.imshow(
+                    img_obj.get_array(),
+                    cmap=img_obj.get_cmap(),
+                    alpha=img_obj.get_alpha(),
+                    vmin=img_obj.get_clim()[0] if img_obj.get_clim() else None,
+                    vmax=img_obj.get_clim()[1] if img_obj.get_clim() else None
+                )
+            
+            # Copier le titre avec nom du modèle
+            original_title = ax_src.get_title()
+            if i == 0:
+                new_title = "Image originale"
+            elif "Prédit" in original_title:
+                new_title = f"Prédiction {second_best_model_info['architecture']} - {second_best_model_info['encoder_name']}"
+            else:
+                new_title = original_title
+            
+            ax_dst.set_title(new_title)
+            ax_dst.axis('off')
+        
+        plt.tight_layout()
+        
+        # Fermer les figures individuelles pour libérer la mémoire
+        plt.close(fig1)
+        plt.close(fig2)
+        fig_b64 = base64.b64encode(pickle.dumps(fig)).decode()
+        # Stats
+        def calc(mask):
+            uc, cnts = np.unique(mask, return_counts=True)
             stats = {}
-        for class_id, count in zip(unique_classes, counts):
+            for cid, c in zip(uc, cnts):
-            if class_id < len(mapping_config['group_names']):
+                if cid < len(mapping_config['group_names']):
-                percentage = (count / total_pixels) * 100
+                    stats[mapping_config['group_names'][cid]] = {
-                stats[mapping_config['group_names'][class_id]] = {
+                        "pixels": int(c),
-                    "pixels": int(count),
+                        "percentage": round((c/mask.size)*100, 1)
-                    "percentage": round(percentage, 1)
                     }
-        
+            return stats
-        return PredictionResult(
+        stats1, stats2 = calc(pred1), calc(pred2)
-            success=True,
+        faster = best_model_info['encoder_name'] if t1 < t2 else second_best_model_info['encoder_name']
-            message="Prediction completed successfully",
+        speedup = round(max(t1, t2) / min(t1, t2), 2)
-            image_path=str(image_path),
+        speed_comp = {"faster_model": faster, "speedup_ratio": speedup, "time_difference_ms": abs(t1-t2)*1000}
-            mask_path=mask_path_str,
+        return ComparisonResult(
-            prediction_stats=stats,
+            success=True, message="Comparison completed successfully",
-            ground_truth_available=mask_path.exists(),
+            model1_info=ModelInfo(**best_model_info), model2_info=ModelInfo(**second_best_model_info),
+            image_path=str(image_path), mask_path=mask_path_str,
+            model1_stats=stats1, model2_stats=stats2,
+            model1_inference_time=t1, model2_inference_time=t2,
+            speed_comparison=speed_comp, ground_truth_available=mask_path.exists(),
             figure_data=fig_b64
         )
-        
     except Exception as e:
-        print(f"❌ Erreur lors de la prédiction: {e}")
+        raise HTTPException(status_code=500, detail=f"Comparison error: {str(e)}")
-        import traceback
-        traceback.print_exc()
-        raise HTTPException(status_code=500, detail=f"Prediction error: {str(e)}")
 
-@app.post("/predict-upload", response_model=PredictionResult)
+@app.post("/compare-upload", response_model=ComparisonResult)
-def predict_uploaded_image(file: UploadFile = File(...)):
+def compare_uploaded_image(file: UploadFile = File(...)):
-    """Lance une prédiction sur une image uploadée"""
+    if best_model is None or second_best_model is None or mapping_config is None:
-    if model is None or mapping_config is None:
+        raise HTTPException(status_code=503, detail="Models not loaded")
-        raise HTTPException(status_code=503, detail="Model not loaded")
-    
-    # Vérifier le type de fichier
     allowed_types = ["image/jpeg", "image/jpg", "image/png"]
     if file.content_type not in allowed_types:
-        raise HTTPException(
+        raise HTTPException(status_code=400, detail=f"Invalid file type. Allowed: {', '.join(allowed_types)}")
-            status_code=400, 
-            detail=f"Invalid file type. Allowed: {', '.join(allowed_types)}"
-        )
-    
     temp_file_path = None
     try:
-        # Créer un fichier temporaire
         timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
         temp_filename = f"upload_{timestamp}_{file.filename}"
         temp_file_path = os.path.join(TEMP_UPLOAD_DIR, temp_filename)
-        
-        # Sauvegarder le fichier uploadé
         with open(temp_file_path, "wb") as buffer:
             shutil.copyfileobj(file.file, buffer)
-        
+        # Inférences avec résolutions spécifiques
-        print(f"🔮 Lancement de l'inférence sur {file.filename}")
+        pred1, t1, fig1 = run_inference_and_visualize(
-        
+            image_path=temp_file_path, mask_path=None,
-        # Lancer l'inférence (sans masque de vérité)
+            model=best_model, encoder_name=None,  # Normalisé de la même manière
-        predicted_mask, fig = run_inference_and_visualize(
+            img_size=best_model_info["input_size"], mapping_config=mapping_config,
-            image_path=temp_file_path,
+            save_dir=None, show_stats=False, show_plot=False,
-            mask_path=None,  # Pas de masque de vérité pour les uploads
+        )
-            model=model,
+        pred2, t2, fig2 = run_inference_and_visualize(
-            encoder_name=encoder_name,
+            image_path=temp_file_path, mask_path=None,
-            img_size=script_img_size,
+            model=second_best_model, encoder_name=None,  # Normalisé de la même manière
-            mapping_config=mapping_config,
+            img_size=second_best_model_info["input_size"], mapping_config=mapping_config,
-            save_dir=None,
+            save_dir=None, show_stats=False, show_plot=False,
-            show_stats=False,
-            show_plot=False  # ← AJOUTÉ pour récupérer la figure
         )
         
-        # Sérialiser la figure
+        # Figure combinée pour uploads (pas de GT, donc 2 colonnes seulement)
-        fig_bytes = pickle.dumps(fig)
+        fig, axes = plt.subplots(2, 2, figsize=(10, 8))
-        fig_b64 = base64.b64encode(fig_bytes).decode()
         
-        # Calculer les statistiques
+        # Récupérer les images depuis les figures individuelles
-        unique_classes, counts = np.unique(predicted_mask, return_counts=True)
+        axes1 = fig1.get_axes()
-        total_pixels = predicted_mask.size
+        axes2 = fig2.get_axes()
         
+        # Ligne 1 : Modèle 1 (Image originale + Prédiction)
+        for i in range(min(len(axes1), 2)):
+            ax_src = axes1[i]
+            ax_dst = axes[0, i]
+            
+            # Copier toutes les images de l'axe source
+            for img_obj in ax_src.get_images():
+                ax_dst.imshow(
+                    img_obj.get_array(),
+                    cmap=img_obj.get_cmap(),
+                    alpha=img_obj.get_alpha(),
+                    vmin=img_obj.get_clim()[0] if img_obj.get_clim() else None,
+                    vmax=img_obj.get_clim()[1] if img_obj.get_clim() else None
+                )
+            
+            # Copier le titre avec nom du modèle
+            original_title = ax_src.get_title()
+            if i == 0:
+                new_title = "Image originale"
+            else:
+                new_title = f"Prédiction {best_model_info['architecture']} - {best_model_info['encoder_name']}"
+            
+            ax_dst.set_title(new_title)
+            ax_dst.axis('off')
+        
+        # Ligne 2 : Modèle 2 (Image originale + Prédiction)  
+        for i in range(min(len(axes2), 2)):
+            ax_src = axes2[i]
+            ax_dst = axes[1, i]
+            
+            # Copier toutes les images de l'axe source
+            for img_obj in ax_src.get_images():
+                ax_dst.imshow(
+                    img_obj.get_array(),
+                    cmap=img_obj.get_cmap(),
+                    alpha=img_obj.get_alpha(),
+                    vmin=img_obj.get_clim()[0] if img_obj.get_clim() else None,
+                    vmax=img_obj.get_clim()[1] if img_obj.get_clim() else None
+                )
+            
+            # Copier le titre avec nom du modèle
+            original_title = ax_src.get_title()
+            if i == 0:
+                new_title = "Image originale"
+            else:
+                new_title = f"Prédiction {second_best_model_info['architecture']} - {second_best_model_info['encoder_name']}"
+            
+            ax_dst.set_title(new_title)
+            ax_dst.axis('off')
+        
+        plt.tight_layout()
+        
+        # Fermer les figures individuelles pour libérer la mémoire
+        plt.close(fig1)
+        plt.close(fig2)
+        fig_b64 = base64.b64encode(pickle.dumps(fig)).decode()
+        # Stats
+        def calc(mask):
+            uc, cnts = np.unique(mask, return_counts=True)
             stats = {}
-        for class_id, count in zip(unique_classes, counts):
+            for cid, c in zip(uc, cnts):
-            if class_id < len(mapping_config['group_names']):
+                if cid < len(mapping_config['group_names']):
-                percentage = (count / total_pixels) * 100
+                    stats[mapping_config['group_names'][cid]] = {
-                stats[mapping_config['group_names'][class_id]] = {
+                        "pixels": int(c),
-                    "pixels": int(count),
+                        "percentage": round((c/mask.size)*100, 1)
-                    "percentage": round(percentage, 1)
                     }
-        
+            return stats
-        return PredictionResult(
+        stats1, stats2 = calc(pred1), calc(pred2)
-            success=True,
+        faster = best_model_info['encoder_name'] if t1 < t2 else second_best_model_info['encoder_name']
-            message="Prediction completed successfully",
+        speedup = round(max(t1, t2) / min(t1, t2), 2)
+        speed_comp = {"faster_model": faster, "speedup_ratio": speedup, "time_difference_ms": abs(t1-t2)*1000}
+        return ComparisonResult(
+            success=True, message="Comparison completed successfully",
+            model1_info=ModelInfo(**best_model_info), model2_info=ModelInfo(**second_best_model_info),
             image_path=temp_file_path,
-            prediction_stats=stats,
+            model1_stats=stats1, model2_stats=stats2,
-            ground_truth_available=False,
+            model1_inference_time=t1, model2_inference_time=t2,
+            speed_comparison=speed_comp, ground_truth_available=False,
             figure_data=fig_b64
         )
-        
     except Exception as e:
-        print(f"❌ Erreur lors de la prédiction: {e}")
+        raise HTTPException(status_code=500, detail=f"Comparison error: {str(e)}")
-        import traceback
-        traceback.print_exc()
-        raise HTTPException(status_code=500, detail=f"Prediction error: {str(e)}")
-    
     finally:
-        # Nettoyer le fichier temporaire
         if temp_file_path and os.path.exists(temp_file_path):
-            try:
+            try: os.remove(temp_file_path)
-                os.remove(temp_file_path)
+            except Exception: pass
-                print(f"🗑️ Fichier temporaire supprimé: {temp_filename}")
-            except Exception as e:
-                print(f"⚠️ Impossible de supprimer le fichier temporaire: {e}")
 
 @app.get("/metrics")
 def get_metrics():
-    """Endpoint de métriques pour monitoring"""
     return {
-        "model_loaded": model is not None,
+        "models_loaded": best_model is not None and second_best_model is not None,
-        "model_name": MODEL_NAME,
+        "best_model_info": best_model_info,
-        "run_id": run_id,
+        "second_best_model_info": second_best_model_info,
         "num_classes": mapping_config['num_classes'] if mapping_config else None,
         "timestamp": datetime.utcnow().isoformat()
     }

app/requirements.txt

@@ -8,37 +8,44 @@ uvicorn==0.35.0
 starlette==0.46.2
 pydantic==2.11.7
 pydantic_core==2.33.2
+python-multipart==0.0.20  # uploads FastAPI
 
 # ===== STREAMLIT =====
 streamlit==1.46.1
-altair==5.5.0  # Utilisé par Streamlit pour les graphiques
+altair==5.5.0  # utilisé par Streamlit
-blinker==1.9.0  # Streamlit dependency
+blinker==1.9.0 # dépendance Streamlit
 
-# ===== HTTP REQUESTS =====
+# ===== HTTP CLIENTS =====
 requests==2.32.4
-httpx==0.28.1  # Modern HTTP client (utilisé par FastAPI)
+httpx==0.28.1   # utilisé en interne par FastAPI
 httpcore==1.0.9
 h11==0.16.0
 
-# ===== MACHINE LEARNING CORE =====
+# ===== MACHINE LEARNING CORE (PyTorch) =====
-tensorflow==2.19.0
+torch==2.8.0        # version stable PyTorch
-keras==3.10.0
+torchvision==0.23.0 # utile pour les modèles pré-entraînés
-numpy>=1.24.0,<2.0.0
+torchaudio==2.8.0   # optionnel (mais recommandé pour compatibilité PyTorch)
+segmentation-models-pytorch==0.5.0
+albumentations==2.0.8
+# version PyTorch de ToTensor
+albumentations[imgaug,opencv]
 
-# Note: tensorflow-addons n'est plus nécessaire avec TensorFlow 2.19+
+numpy>=1.24.0,<2.0.0
-# Les fonctionnalités sont maintenant intégrées dans TensorFlow core
+scipy==1.16.0
+scikit-learn==1.7.0
 
 # ===== COMPUTER VISION =====
 pillow==11.3.0
-opencv-python-headless==4.9.0.80  # Pas dans votre freeze, mais nécessaire pour Docker
+opencv-python-headless==4.9.0.80
 scikit-image==0.25.2
 imageio==2.37.0
 
 # ===== DATA SCIENCE =====
 pandas==2.3.0
 matplotlib==3.10.3
-scipy==1.16.0
+networkx==3.5
-scikit-learn==1.7.0
+tifffile==2025.6.11
+lazy_loader==0.4
 
 # ===== MLFLOW & MODEL REGISTRY =====
 mlflow==3.2.0
@@ -50,34 +57,7 @@ boto3==1.39.2
 botocore==1.39.2
 s3transfer==0.13.0
 
-# ===== SEGMENTATION MODELS =====
+# ===== UTILITIES =====
-# Option 1: Version figée par commit (RECOMMANDÉE pour production)
-segmentation_models @ git+https://github.com/qubvel/segmentation_models.git@5d24bbfb28af6134e25e2c0b79e7727f6c0491d0
-
-# Option 2: Si vous préférez une version PyPI (décommentez et commentez la ligne du dessus)
-# segmentation-models==1.0.1
-
-# ===== SUPPORTING LIBRARIES =====
-# TensorFlow ecosystem
-tensorboard==2.19.0
-tensorboard-data-server==0.7.2
-protobuf==3.20.3
-flatbuffers==25.2.10
-h5py==3.14.0
-astunparse==1.6.3
-gast==0.6.0
-google-pasta==0.2.0
-keras-applications==1.0.8
-opt_einsum==3.4.0
-termcolor==2.5.0
-wrapt==1.17.2
-
-# Data processing
-networkx==3.5
-tifffile==2025.6.11
-lazy_loader==0.4
-
-# Utilities
 click==8.2.1
 tqdm==4.67.1
 joblib==1.5.1
@@ -85,57 +65,6 @@ python-dateutil
 packaging
 typing_extensions==4.14.0
 
-# File handling
+# ===== MATPLOTLIB ADDONS =====
-python-multipart==0.0.20  # Pour FastAPI file uploads
+cycler==0.12.1
-
-# ===== AJOUTS SPÉCIFIQUES POUR UTILS/UTILS.PY =====
-# Pour la gestion des couleurs et légendes matplotlib
-cycler==0.12.1  # Pour matplotlib customization
-
-# Font handling pour matplotlib (nécessaire dans Docker)
 fonttools==4.58.5
-
-# ===== REMOVED FROM ORIGINAL =====
-# Les packages suivants ont été supprimés car non utilisés dans votre app:
-# - awsebcli (AWS CLI - pas nécessaire dans le container)
-# - blessed, fabric, invoke (outils dev)
-# - jupyter, ipython, spyder (dev environment)
-# - nltk (pas d'NLP dans votre app)
-# - pytest (tests - à garder seulement pour dev)
-# - flask, gunicorn (vous utilisez FastAPI+uvicorn)
-# - docker (pas besoin dans le container)
-# - git* packages (dev tools)
-
-# =============================================================================
-# VERSION ALTERNATIVE - PLUS MINIMALISTE
-# =============================================================================
-
-# Si vous voulez une version encore plus légère, voici les STRICTEMENT nécessaires:
-# fastapi==0.115.14
-# uvicorn==0.35.0
-# streamlit==1.46.1
-# tensorflow==2.19.0
-# numpy==2.1.3
-# pillow==11.3.0
-# matplotlib==3.10.3
-# pandas==2.3.0
-# requests==2.32.4
-# mlflow==3.2.0
-# boto3==1.39.2
-# segmentation_models @ git+https://github.com/qubvel/segmentation_models.git@5d24bbfb28af6134e25e2c0b79e7727f6c0491d0
-
-# =============================================================================
-# NOTES SUR SEGMENTATION_MODELS
-# =============================================================================
-
-# OPTION A: Git avec commit hash (ACTUEL - RECOMMANDÉ)
-# Avantages: Version exacte, pas de surprises
-# Inconvénients: Nécessite git dans le container de build
-
-# OPTION B: Version PyPI officielle
-# segmentation-models==1.0.1
-# Avantages: Plus simple, pas besoin de git
-# Inconvénients: Peut être différent de votre version dev
-
-# OPTION C: Version locale (si vous avez des modifications)
-# Copier le package dans le container et faire pip install -e .

notebooks/requirements.txt

@@ -606,13 +606,13 @@ tokenizers==0.21.4
 toml==0.10.2
 tomlkit==0.13.3
 toolz==0.12.1
-torch==2.8.0+cu126
+torch==2.8.0
 torchao==0.10.0
-torchaudio==2.8.0+cu126
+torchaudio==2.8.0
 torchdata==0.11.0
 torchsummary==1.5.1
 torchtune==0.6.1
-torchvision==0.23.0+cu126
+torchvision==0.23.0
 tornado==6.4.2
 tqdm==4.67.1
 traitlets==5.7.1

utils/utils.py

@@ -3,7 +3,6 @@ import json
 import tempfile
 import numpy as np
 import torch
-import torch.nn.functional as F
 import matplotlib.pyplot as plt
 import segmentation_models_pytorch as smp
 import mlflow
@@ -16,8 +15,8 @@ import matplotlib.patches as mpatches
 from matplotlib.colors import ListedColormap
 
 # Preprocessing/Images
-from PIL import Image
+import albumentations as A
-import torchvision.transforms as transforms
+from albumentations.pytorch import ToTensorV2
 
 
 def load_cityscapes_config(config_path="../cityscapes_config.json", verbose=True):
@@ -103,48 +102,12 @@ def colorize_mask(mask, group_colors):
     
     return colored_mask
 
-# def get_preprocessing_fn(encoder_name=None):
-#     """
-#     Retourne la fonction de prétraitement adaptée au backbone utilisé.
-#     ADAPTÉ PYTORCH : utilise smp.encoders.get_preprocessing_params
-#     """
-#     if encoder_name is None:
-#         print("ℹ️ Modèle vanilla - normalisation simple")
-#         return lambda x: x / 255.0
-#     else:
-#         print(f"ℹ️ Préprocessing du backbone {encoder_name}")
-#         try:
-#             # PyTorch segmentation_models utilise get_preprocessing_params
-#             preprocess_params = smp.encoders.get_preprocessing_params(encoder_name)
-#             mean = preprocess_params['mean']
-#             std = preprocess_params['std']
-            
-#             def preprocess_fn(x):
-#                 # x doit être dans [0, 1] puis normalisé
-#                 x = x / 255.0 if x.max() > 1.0 else x
-#                 # Normalisation ImageNet ou spécifique au backbone
-#                 if isinstance(x, torch.Tensor):
-#                     for i in range(3):  # RGB
-#                         x[:, i, :, :] = (x[:, i, :, :] - mean[i]) / std[i]
-#                 else:  # numpy
-#                     for i in range(3):
-#                         x[:, :, i] = (x[:, :, i] - mean[i]) / std[i]
-#                 return x
-            
-#             return preprocess_fn
-#         except Exception as e:
-#             print(f"⚠️ Erreur preprocessing {encoder_name}: {e}, fallback simple")
-#             return lambda x: x / 255.0
 
 def get_preprocessing_fn(img_size=(512, 512), encoder=None):
     """
     Retourne une fonction qui prétraite à la fois les images et les masques
     pour l'inférence, en reproduisant exactement le pipeline CityscapesDataset.
     """
-    import albumentations as A
-    from albumentations.pytorch import ToTensorV2
-    import cv2
-    import torch
     
     if encoder is None:
         mean, std = [0.0, 0.0, 0.0], [1.0, 1.0, 1.0]
@@ -205,173 +168,9 @@ def preprocess_image_and_mask(image_path, mask_path=None, img_size=(512, 512),
     
     return img_preprocessed, img_display, mask_preprocessed
 
-
-# def preprocess_image_and_mask(image_path, mask_path=None, img_size=(512, 512),  # ← CHANGÉ: 224→512
-#                              encoder_name=None, id_to_group_mapping=None):
-#     """
-#     Préprocesse une image (et optionnellement un masque) avec le même pipeline que l'entraînement
-#     ADAPTÉ PYTORCH : Utilise PIL + torch au lieu de tf
-#     """
-
-#     print(f"🔄 Préprocessing de l'image: {os.path.basename(image_path)}")
-    
-#     # Chargement et preprocessing de l'image
-#     img_pil = Image.open(image_path).convert('RGB')
-#     img_original = img_pil.resize(img_size, Image.BILINEAR)
-    
-#     # Conversion en tensor et normalisation
-#     img_tensor = transforms.ToTensor()(img_original)  # [3, H, W] dans [0, 1]
-    
-#     # Appliquer le preprocessing du backbone
-#     preprocessing_fn = get_preprocessing_fn(encoder_name)
-#     if encoder_name is not None:
-#         # Pour les backbones pré-entraînés, on applique leur normalisation
-#         img_preprocessed = preprocessing_fn(img_tensor.permute(1, 2, 0).numpy())
-#         img_preprocessed = torch.from_numpy(img_preprocessed).permute(2, 0, 1).float()
-#     else:
-#         # Simple normalisation [0, 1]
-#         img_preprocessed = img_tensor.float()
-    
-#     # Preprocessing du masque si fourni
-#     mask_preprocessed = None
-#     if mask_path and os.path.exists(mask_path):
-#         print(f"🔄 Préprocessing du masque: {os.path.basename(mask_path)}")
-        
-#         mask_pil = Image.open(mask_path).convert('L')  # Grayscale
-#         mask_resized = mask_pil.resize(img_size, Image.NEAREST)
-#         mask_tensor = torch.from_numpy(np.array(mask_resized)).long()
-        
-#         print(f"   Valeurs uniques avant mapping: {torch.unique(mask_tensor)[:10]}...")
-        
-#         # Appliquer le mapping si fourni
-#         if id_to_group_mapping is not None:
-#             mask_tensor = map_mask_ids(mask_tensor, id_to_group_mapping)
-#             print(f"   Valeurs uniques après mapping: {torch.unique(mask_tensor)}")
-        
-#         mask_preprocessed = mask_tensor
-    
-#     # img_original en numpy pour affichage
-#     img_display = np.array(img_original)
-    
-#     return img_preprocessed, img_display, mask_preprocessed
-
-# def run_inference_and_visualize(image_path, model, encoder_name, img_size, mapping_config, 
-#                               mask_path=None, save_dir=None, show_stats=True):
-#     """
-#     ADAPTÉ PYTORCH : Inférence avec modèle PyTorch
-#     Returns: (predicted_mask, inference_time_seconds)
-#     """
-
-#     print(f"=== INFÉRENCE PYTORCH SUR {os.path.basename(image_path)} ===")
-
-#     img_preprocessed, img_display, mask_gt = preprocess_image_and_mask(
-#         image_path=image_path,
-#         mask_path=mask_path,
-#         img_size=img_size or (512, 512),
-#         encoder_name=encoder_name,
-#         id_to_group_mapping=mapping_config.get('id_to_group')
-#     )
-
-#     print("🔮 Exécution de l'inférence PyTorch...")
-#     model.eval()
-#     device = next(model.parameters()).device
-
-#     with torch.no_grad():
-#         # Ajouter dimension batch
-#         img_batch = img_preprocessed.unsqueeze(0).to(device)  # [1, 3, H, W]
-        
-#         # ⏱️ MESURE DU TEMPS D'INFÉRENCE
-#         start_time = time.time()
-#         predictions = model(img_batch)  # [1, num_classes, H, W]
-#         end_time = time.time()
-        
-#         inference_time = end_time - start_time
-        
-#         predicted_mask = torch.argmax(predictions[0], dim=0).cpu().numpy()  # [H, W]
-
-#     print(f"✅ Inférence terminée - Shape: {predicted_mask.shape}")
-#     print(f"⏱️ Temps d'inférence: {inference_time*1000:.1f} ms ({inference_time:.4f} s)")
-
-#     # Visualisation
-#     num_plots = 2 if mask_gt is None else 4
-#     fig, axes = plt.subplots(1, num_plots, figsize=(5*num_plots, 5))
-#     if num_plots == 1:
-#         axes = [axes]
-
-#     axes[0].imshow(img_display)
-#     axes[0].set_title("Image Originale")
-#     axes[0].axis('off')
-
-#     predicted_colored = colorize_mask(predicted_mask, mapping_config['group_colors'])
-#     axes[1].imshow(predicted_colored)
-#     axes[1].set_title("Masque Prédit")
-#     axes[1].axis('off')
-
-#     if mask_gt is not None:
-#         mask_gt_np = mask_gt.numpy() if isinstance(mask_gt, torch.Tensor) else mask_gt
-#         gt_colored = colorize_mask(mask_gt_np, mapping_config['group_colors'])
-#         axes[2].imshow(gt_colored)
-#         axes[2].set_title("Masque de Vérité")
-#         axes[2].axis('off')
-
-#         # Visualisation des erreurs
-#         diff_mask = (mask_gt_np != predicted_mask).astype(float)
-#         axes[3].imshow(img_display)
-#         axes[3].imshow(diff_mask, alpha=0.5, cmap='Reds')
-#         axes[3].set_title("Erreurs (en rouge)")
-#         axes[3].axis('off')
-
-#     colors_normalized = mapping_config['group_colors'] / 255.0
-#     custom_cmap = ListedColormap(colors_normalized)
-
-#     legend_elements = []
-#     for i, (name, color) in enumerate(zip(mapping_config['group_names'], colors_normalized)):
-#         legend_elements.append(mpatches.Patch(color=color, label=f'{i}: {name}'))
-
-#     fig.legend(handles=legend_elements, 
-#               loc='center left', 
-#               bbox_to_anchor=(1.01, 0.5),
-#               fontsize=9,
-#               frameon=True,
-#               fancybox=True,
-#               shadow=True)
-
-#     plt.tight_layout()
-#     fig.subplots_adjust(right=0.95)
-
-#     if save_dir:
-#         os.makedirs(save_dir, exist_ok=True)
-#         img_name = os.path.splitext(os.path.basename(image_path))[0]
-#         fig_path = os.path.join(save_dir, f'{img_name}_inference.png')
-#         fig.savefig(fig_path, dpi=150, bbox_inches='tight')
-#         print(f"💾 Résultat sauvegardé: {fig_path}")
-
-#     plt.show()
-
-#     # Statistiques
-#     if show_stats:
-#         print("\n📊 Statistiques du masque prédit:")
-#         unique_classes, counts = np.unique(predicted_mask, return_counts=True)
-#         for class_id, count in zip(unique_classes, counts):
-#             if class_id < len(mapping_config['group_names']):
-#                 percentage = (count / predicted_mask.size) * 100
-#                 print(f"   {mapping_config['group_names'][class_id]}: {count} pixels ({percentage:.1f}%)")
-
-#         if mask_gt is not None:
-#             mask_gt_np = mask_gt.numpy() if isinstance(mask_gt, torch.Tensor) else mask_gt
-#             print("\n📊 Statistiques du masque de vérité:")
-#             unique_classes, counts = np.unique(mask_gt_np, return_counts=True)
-#             for class_id, count in zip(unique_classes, counts):
-#                 if class_id < len(mapping_config['group_names']):
-#                     percentage = (count / mask_gt_np.size) * 100
-#                     print(f"   {mapping_config['group_names'][class_id]}: {count} pixels ({percentage:.1f}%)")
-
-#     return predicted_mask, inference_time
-
-
 # Version mise à jour de run_inference_and_visualize
 def run_inference_and_visualize(image_path, model, encoder_name, img_size, mapping_config, 
-                               mask_path=None, save_dir=None, show_stats=True):
+                               mask_path=None, save_dir=None, show_stats=True, show_plot=True):
     """
     Version simplifiée utilisant preprocess_image_and_mask
     """
@@ -461,7 +260,6 @@ def run_inference_and_visualize(image_path, model, encoder_name, img_size, mappi
         fig.savefig(fig_path, dpi=150, bbox_inches='tight')
         print(f"💾 Résultat sauvegardé: {fig_path}")
 
-    plt.show()
 
     # Statistiques
     if show_stats:
@@ -481,7 +279,11 @@ def run_inference_and_visualize(image_path, model, encoder_name, img_size, mappi
                     percentage = (count / mask_gt_np.size) * 100
                     print(f"   {mapping_config['group_names'][class_id]}: {count} pixels ({percentage:.1f}%)")
 
+    if show_plot:
+        plt.show()
         return predicted_mask, inference_time
+    else:
+        return predicted_mask, inference_time, fig
 
 
 def load_model(run_id=None, experiment_name="OC Projet 9", 
@@ -736,6 +538,6 @@ def load_second_best_model(experiment_name="OC Projet 9", metric="test_mean_iou"
 
 def load_model_by_run_id(run_id):
     """Charge un modèle par run_id spécifique"""
-    return load_model_by_param(run_id=run_id)
+    return load_model(run_id=run_id)