Update handler.py
Browse files- handler.py +190 -13
handler.py
CHANGED
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@@ -77,6 +77,113 @@ def model_selector(self, model_category):
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return encoder, class_names, prototypes, eval_transform
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# ✅ NUEVA FUNCIÓN OPTIMIZADA: Cargar modelo sin necesidad de dataset
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def load_classification_model_optimized(model_path, device):
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"""Versión optimizada que carga prototipos directamente del modelo guardado"""
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@@ -174,8 +281,10 @@ def load_json_from_s3(json_s3_url):
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print(f"❌ Error cargando JSON: {e}")
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return None
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def classify_saved_bboxes(saved_images, encoder, class_names, prototypes, eval_transform, device, minimal_accuracy, s3_client):
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"""
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if not saved_images:
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print("❌ No hay imágenes guardadas para clasificar")
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@@ -184,8 +293,16 @@ def classify_saved_bboxes(saved_images, encoder, class_names, prototypes, eval_t
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print(f"🔄 Clasificando {len(saved_images)} imágenes guardadas...")
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print(f"🎯 Filtro minimal_accuracy: {minimal_accuracy}")
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results = []
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filtered_count = 0
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with torch.no_grad():
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for img_info in saved_images:
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try:
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@@ -204,7 +321,39 @@ def classify_saved_bboxes(saved_images, encoder, class_names, prototypes, eval_t
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# Normalizar
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query_features = F.normalize(query_features, p=2, dim=1)
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-
#
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similarities = torch.mm(query_features, prototypes.t())
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similarities_numpy = similarities.cpu().numpy()[0]
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@@ -227,9 +376,16 @@ def classify_saved_bboxes(saved_images, encoder, class_names, prototypes, eval_t
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print(f"🔽 Bbox {img_info['bbox_id']} filtrado: ninguna predicción cumple minimal_accuracy {minimal_accuracy}")
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continue
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# Guardar predictions y accuracy como listas (solo las que cumplen el filtro)
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predictions_list = top3_predictions
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similarities_list =
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# La predicción principal es la primera de la lista filtrada
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predicted_class = predictions_list[0]
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@@ -240,7 +396,7 @@ def classify_saved_bboxes(saved_images, encoder, class_names, prototypes, eval_t
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# Formatear bbox_confidence con 4 decimales
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bbox_confidence_formatted = round(float(img_info['confidence']), 4)
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# Agregar resultado
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result = {
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'sku_bb_id': str(img_info['bbox_id']),
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'predictions': predictions_list,
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@@ -248,6 +404,8 @@ def classify_saved_bboxes(saved_images, encoder, class_names, prototypes, eval_t
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'prediccion_principal': predicted_class,
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'similarity_principal': similarity_principal_formatted,
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'bbox_confidence': bbox_confidence_formatted,
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'xmin': img_info['x_min'],
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'ymin': img_info['y_min'],
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'xmax': img_info['x_max'],
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@@ -266,17 +424,25 @@ def classify_saved_bboxes(saved_images, encoder, class_names, prototypes, eval_t
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'prediccion_principal': 'ERROR',
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'similarity_principal': 'ERROR',
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'bbox_confidence': round(float(img_info['confidence']), 4),
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'xmin': img_info['x_min'],
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'ymin': img_info['y_min'],
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'xmax': img_info['x_max'],
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'ymax': img_info['y_max']
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})
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-
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print(f"📊 Resumen de filtrado:")
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print(f" - Detecciones procesadas: {len(results)}")
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print(f" - Detecciones filtradas: {filtered_count}")
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print(f" - Total original: {len(saved_images)}")
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return pd.DataFrame(results)
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@@ -284,7 +450,7 @@ def process_image_with_bboxes(self, image_url, picture_id, visit_id, minimal_acc
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"""Función principal para procesar una imagen: detectar BB, guardar recortes y clasificar"""
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print("="*80)
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print("PROCESAMIENTO DE IMAGEN CON BOUNDING BOXES - MODELO OPTIMIZADO V5")
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print("="*80)
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print(f"📸 Imagen: {image_url}")
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print(f"🆔 Picture ID: {picture_id}")
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@@ -292,6 +458,7 @@ def process_image_with_bboxes(self, image_url, picture_id, visit_id, minimal_acc
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device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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print(f"💻 Dispositivo: {device}")
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print(f"🎯 Filtro minimal_accuracy: {minimal_accuracy}")
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# Cargar bounding boxes desde S3
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saved_images, s3_client = load_json_from_s3(json_s3_url)
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@@ -309,11 +476,11 @@ def process_image_with_bboxes(self, image_url, picture_id, visit_id, minimal_acc
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print(f"❌ Error cargando modelo: {e}")
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return pd.DataFrame()
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-
# 4. Clasificar imágenes guardadas
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print("\n🔬 PASO 4: Clasificando imágenes guardadas...")
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results_df = classify_saved_bboxes(
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saved_images, encoder, class_names, prototypes, eval_transform, device,
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minimal_accuracy, s3_client
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)
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# 5. Mostrar resumen
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print(f" - Clases detectadas: {results_df['prediccion_principal'].nunique()}")
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print(f" - Clases únicas encontradas: {', '.join(results_df['prediccion_principal'].unique())}")
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# Top predicciones
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print(f"\n📊 Top predicciones:")
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top_predictions = results_df['prediccion_principal'].value_counts().head(5)
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print(f" - Mínimo: {min_accuracy:.4f}")
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print(f" - Máximo: {max_accuracy:.4f}")
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else:
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print("❌ No hay detecciones que cumplan con el filtro de accuracy")
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return results_df
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@@ -353,7 +530,7 @@ class EndpointHandler():
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def predict_objects(self, image_url, picture_id, visit_id, minimal_accuracy, model_category, json_s3_url):
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print("Ejecutando clasificación optimizada con prototipos pre-cargados...")
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result_df = process_image_with_bboxes(
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self, image_url, picture_id, visit_id, minimal_accuracy,
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None, None, # model_path y train_path ya no son necesarios
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return encoder, class_names, prototypes, eval_transform
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+
# 🆕 NUEVA FUNCIÓN: Configuración de umbrales OOD por categoría
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def get_ood_thresholds(model_category):
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"""
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Configuración de umbrales OOD específicos por categoría de modelo
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Estos valores pueden ajustarse según la performance de cada modelo
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"""
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ood_config = {
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182: { # detergentes
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'similarity_threshold': 0.65,
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'distance_threshold': 0.85,
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'confidence_penalty': 0.1
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},
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175: { # mascotas
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'similarity_threshold': 0.62,
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'distance_threshold': 0.90,
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'confidence_penalty': 0.1
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},
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202: { # vinos
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'similarity_threshold': 0.68,
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'distance_threshold': 0.80,
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'confidence_penalty': 0.1
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},
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161: { # cecinas
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'similarity_threshold': 0.64,
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'distance_threshold': 0.88,
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'confidence_penalty': 0.1
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},
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198: { # licores
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'similarity_threshold': 0.66,
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'distance_threshold': 0.85,
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'confidence_penalty': 0.1
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}
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}
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# Configuración por defecto si no se encuentra la categoría
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default_config = {
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'similarity_threshold': 0.65,
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'distance_threshold': 0.85,
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'confidence_penalty': 0.1
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}
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return ood_config.get(model_category, default_config)
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# 🆕 NUEVA FUNCIÓN: Detección OOD
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def detect_out_of_distribution(query_features, prototypes, ood_config, class_names):
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"""
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Detecta si una muestra está fuera de distribución usando múltiples métricas
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Args:
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query_features: Features de la imagen query (tensor)
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prototypes: Prototipos del modelo (tensor)
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ood_config: Configuración de umbrales
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class_names: Nombres de las clases
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Returns:
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is_ood: bool - True si es OOD
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ood_score: float - Puntuación de confianza (0=muy OOD, 1=muy in-distribution)
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ood_reason: str - Razón de la decisión
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"""
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# 1. Calcular similitud coseno con todos los prototipos
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similarities = torch.mm(query_features, prototypes.t()).squeeze(0)
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max_similarity = similarities.max().item()
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# 2. Calcular distancia euclidiana al prototipo más cercano
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distances = torch.cdist(query_features, prototypes).squeeze(0)
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min_distance = distances.min().item()
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# 3. Aplicar umbrales
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similarity_threshold = ood_config['similarity_threshold']
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distance_threshold = ood_config['distance_threshold']
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confidence_penalty = ood_config['confidence_penalty']
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# 4. Decisión OOD basada en múltiples criterios
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is_ood = False
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ood_reasons = []
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# Criterio 1: Similitud muy baja
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if max_similarity < similarity_threshold:
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is_ood = True
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ood_reasons.append(f"similitud_baja({max_similarity:.3f}<{similarity_threshold})")
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# Criterio 2: Distancia muy alta
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if min_distance > distance_threshold:
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is_ood = True
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ood_reasons.append(f"distancia_alta({min_distance:.3f}>{distance_threshold})")
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# 5. Calcular puntuación de confianza OOD
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# Combinamos similitud y distancia en una métrica unificada
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similarity_score = max_similarity # 0-1, más alto = mejor
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distance_score = max(0, (distance_threshold - min_distance) / distance_threshold) # 0-1, más alto = mejor
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# Promedio ponderado (puedes ajustar los pesos)
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ood_score = (0.7 * similarity_score + 0.3 * distance_score)
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# Aplicar penalización si es OOD
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if is_ood:
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ood_score = max(0, ood_score - confidence_penalty)
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# 6. Crear razón legible
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if is_ood:
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ood_reason = f"OOD_DETECTED: {', '.join(ood_reasons)}"
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else:
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ood_reason = f"IN_DISTRIBUTION: sim={max_similarity:.3f}, dist={min_distance:.3f}"
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return is_ood, ood_score, ood_reason
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# ✅ NUEVA FUNCIÓN OPTIMIZADA: Cargar modelo sin necesidad de dataset
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def load_classification_model_optimized(model_path, device):
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"""Versión optimizada que carga prototipos directamente del modelo guardado"""
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print(f"❌ Error cargando JSON: {e}")
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return None
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def classify_saved_bboxes(saved_images, encoder, class_names, prototypes, eval_transform, device, minimal_accuracy, s3_client, model_category):
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"""
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🆕 MEJORADO: Clasificar las imágenes de bounding boxes guardadas CON DETECCIÓN OOD
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"""
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if not saved_images:
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print("❌ No hay imágenes guardadas para clasificar")
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print(f"🔄 Clasificando {len(saved_images)} imágenes guardadas...")
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print(f"🎯 Filtro minimal_accuracy: {minimal_accuracy}")
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# 🆕 Obtener configuración OOD para esta categoría
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ood_config = get_ood_thresholds(model_category)
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print(f"🛡️ Detección OOD activada:")
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print(f" - Umbral similitud: {ood_config['similarity_threshold']}")
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print(f" - Umbral distancia: {ood_config['distance_threshold']}")
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results = []
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filtered_count = 0
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ood_detected_count = 0
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with torch.no_grad():
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for img_info in saved_images:
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try:
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# Normalizar
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query_features = F.normalize(query_features, p=2, dim=1)
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# 🆕 DETECCIÓN OOD
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is_ood, ood_score, ood_reason = detect_out_of_distribution(
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query_features, prototypes, ood_config, class_names
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)
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# 🆕 Si es OOD, manejar de forma especial
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if is_ood:
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ood_detected_count += 1
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print(f"🚨 OOD detectado en bbox {img_info['bbox_id']}: {ood_reason}")
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# Opción 1: Filtrar completamente (recomendado)
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filtered_count += 1
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continue
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# Opción 2: Marcar como "PRODUCTO_DESCONOCIDO" (opcional - descomenta si prefieres esto)
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# result = {
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| 340 |
+
# 'sku_bb_id': str(img_info['bbox_id']),
|
| 341 |
+
# 'predictions': ['PRODUCTO_DESCONOCIDO'],
|
| 342 |
+
# 'accuracy': [round(ood_score, 4)],
|
| 343 |
+
# 'prediccion_principal': 'PRODUCTO_DESCONOCIDO',
|
| 344 |
+
# 'similarity_principal': f"{ood_score*100:.2f}%",
|
| 345 |
+
# 'bbox_confidence': round(float(img_info['confidence']), 4),
|
| 346 |
+
# 'ood_detected': True,
|
| 347 |
+
# 'ood_reason': ood_reason,
|
| 348 |
+
# 'xmin': img_info['x_min'],
|
| 349 |
+
# 'ymin': img_info['y_min'],
|
| 350 |
+
# 'xmax': img_info['x_max'],
|
| 351 |
+
# 'ymax': img_info['y_max']
|
| 352 |
+
# }
|
| 353 |
+
# results.append(result)
|
| 354 |
+
# continue
|
| 355 |
+
|
| 356 |
+
# Calcular similitud coseno con prototipos guardados (solo si no es OOD)
|
| 357 |
similarities = torch.mm(query_features, prototypes.t())
|
| 358 |
similarities_numpy = similarities.cpu().numpy()[0]
|
| 359 |
|
|
|
|
| 376 |
print(f"🔽 Bbox {img_info['bbox_id']} filtrado: ninguna predicción cumple minimal_accuracy {minimal_accuracy}")
|
| 377 |
continue
|
| 378 |
|
| 379 |
+
# 🆕 Aplicar ajuste de confianza basado en OOD score
|
| 380 |
+
adjusted_similarities = []
|
| 381 |
+
for sim in top3_similarities:
|
| 382 |
+
# Combinar similarity original con OOD confidence
|
| 383 |
+
adjusted_sim = (sim * 0.8) + (ood_score * 0.2) # Peso 80-20
|
| 384 |
+
adjusted_similarities.append(round(adjusted_sim, 4))
|
| 385 |
+
|
| 386 |
# Guardar predictions y accuracy como listas (solo las que cumplen el filtro)
|
| 387 |
predictions_list = top3_predictions
|
| 388 |
+
similarities_list = adjusted_similarities # 🆕 Usar similarities ajustadas
|
| 389 |
|
| 390 |
# La predicción principal es la primera de la lista filtrada
|
| 391 |
predicted_class = predictions_list[0]
|
|
|
|
| 396 |
# Formatear bbox_confidence con 4 decimales
|
| 397 |
bbox_confidence_formatted = round(float(img_info['confidence']), 4)
|
| 398 |
|
| 399 |
+
# 🆕 Agregar resultado con información OOD
|
| 400 |
result = {
|
| 401 |
'sku_bb_id': str(img_info['bbox_id']),
|
| 402 |
'predictions': predictions_list,
|
|
|
|
| 404 |
'prediccion_principal': predicted_class,
|
| 405 |
'similarity_principal': similarity_principal_formatted,
|
| 406 |
'bbox_confidence': bbox_confidence_formatted,
|
| 407 |
+
'ood_detected': False, # 🆕 No es OOD
|
| 408 |
+
'ood_score': round(ood_score, 4), # 🆕 Puntuación OOD
|
| 409 |
'xmin': img_info['x_min'],
|
| 410 |
'ymin': img_info['y_min'],
|
| 411 |
'xmax': img_info['x_max'],
|
|
|
|
| 424 |
'prediccion_principal': 'ERROR',
|
| 425 |
'similarity_principal': 'ERROR',
|
| 426 |
'bbox_confidence': round(float(img_info['confidence']), 4),
|
| 427 |
+
'ood_detected': False,
|
| 428 |
+
'ood_score': 0.0000,
|
| 429 |
'xmin': img_info['x_min'],
|
| 430 |
'ymin': img_info['y_min'],
|
| 431 |
'xmax': img_info['x_max'],
|
| 432 |
'ymax': img_info['y_max']
|
| 433 |
})
|
| 434 |
|
| 435 |
+
# 🆕 Resumen mejorado con estadísticas OOD
|
| 436 |
+
if filtered_count > 0 or ood_detected_count > 0:
|
| 437 |
print(f"📊 Resumen de filtrado:")
|
| 438 |
print(f" - Detecciones procesadas: {len(results)}")
|
| 439 |
+
print(f" - Detecciones filtradas por accuracy: {filtered_count - ood_detected_count}")
|
| 440 |
+
print(f" - 🆕 Detecciones OOD filtradas: {ood_detected_count}")
|
| 441 |
+
print(f" - Total filtrado: {filtered_count}")
|
| 442 |
print(f" - Total original: {len(saved_images)}")
|
| 443 |
+
if ood_detected_count > 0:
|
| 444 |
+
ood_percentage = (ood_detected_count / len(saved_images)) * 100
|
| 445 |
+
print(f" - 🆕 Porcentaje OOD: {ood_percentage:.1f}%")
|
| 446 |
|
| 447 |
return pd.DataFrame(results)
|
| 448 |
|
|
|
|
| 450 |
"""Función principal para procesar una imagen: detectar BB, guardar recortes y clasificar"""
|
| 451 |
|
| 452 |
print("="*80)
|
| 453 |
+
print("PROCESAMIENTO DE IMAGEN CON BOUNDING BOXES - MODELO OPTIMIZADO V5 + OOD")
|
| 454 |
print("="*80)
|
| 455 |
print(f"📸 Imagen: {image_url}")
|
| 456 |
print(f"🆔 Picture ID: {picture_id}")
|
|
|
|
| 458 |
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
|
| 459 |
print(f"💻 Dispositivo: {device}")
|
| 460 |
print(f"🎯 Filtro minimal_accuracy: {minimal_accuracy}")
|
| 461 |
+
print(f"🛡️ Detección OOD activada para categoría: {model_category}") # 🆕
|
| 462 |
|
| 463 |
# Cargar bounding boxes desde S3
|
| 464 |
saved_images, s3_client = load_json_from_s3(json_s3_url)
|
|
|
|
| 476 |
print(f"❌ Error cargando modelo: {e}")
|
| 477 |
return pd.DataFrame()
|
| 478 |
|
| 479 |
+
# 4. Clasificar imágenes guardadas CON DETECCIÓN OOD
|
| 480 |
+
print("\n🔬 PASO 4: Clasificando imágenes guardadas con detección OOD...")
|
| 481 |
results_df = classify_saved_bboxes(
|
| 482 |
saved_images, encoder, class_names, prototypes, eval_transform, device,
|
| 483 |
+
minimal_accuracy, s3_client, model_category # 🆕 Pasar model_category
|
| 484 |
)
|
| 485 |
|
| 486 |
# 5. Mostrar resumen
|
|
|
|
| 490 |
print(f" - Clases detectadas: {results_df['prediccion_principal'].nunique()}")
|
| 491 |
print(f" - Clases únicas encontradas: {', '.join(results_df['prediccion_principal'].unique())}")
|
| 492 |
|
| 493 |
+
# 🆕 Estadísticas OOD
|
| 494 |
+
if 'ood_score' in results_df.columns:
|
| 495 |
+
avg_ood_score = results_df['ood_score'].mean()
|
| 496 |
+
min_ood_score = results_df['ood_score'].min()
|
| 497 |
+
max_ood_score = results_df['ood_score'].max()
|
| 498 |
+
print(f"\n🛡️ Estadísticas OOD:")
|
| 499 |
+
print(f" - OOD Score promedio: {avg_ood_score:.4f}")
|
| 500 |
+
print(f" - OOD Score mínimo: {min_ood_score:.4f}")
|
| 501 |
+
print(f" - OOD Score máximo: {max_ood_score:.4f}")
|
| 502 |
+
|
| 503 |
# Top predicciones
|
| 504 |
print(f"\n📊 Top predicciones:")
|
| 505 |
top_predictions = results_df['prediccion_principal'].value_counts().head(5)
|
|
|
|
| 516 |
print(f" - Mínimo: {min_accuracy:.4f}")
|
| 517 |
print(f" - Máximo: {max_accuracy:.4f}")
|
| 518 |
else:
|
| 519 |
+
print("❌ No hay detecciones que cumplan con el filtro de accuracy o todas fueron detectadas como OOD")
|
| 520 |
|
| 521 |
return results_df
|
| 522 |
|
|
|
|
| 530 |
|
| 531 |
def predict_objects(self, image_url, picture_id, visit_id, minimal_accuracy, model_category, json_s3_url):
|
| 532 |
|
| 533 |
+
print("Ejecutando clasificación optimizada con prototipos pre-cargados y detección OOD...")
|
| 534 |
result_df = process_image_with_bboxes(
|
| 535 |
self, image_url, picture_id, visit_id, minimal_accuracy,
|
| 536 |
None, None, # model_path y train_path ya no son necesarios
|