Delete detection.py
Browse files- detection.py +0 -157
detection.py
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from ultralytics import YOLOv10
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import os
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import torch
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def yolov10_inference(image, model_id, image_size, conf_threshold):
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model = YOLOv10.from_pretrained(f'jameslahm/{model_id}')
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results = model.predict(source=image, imgsz=image_size, conf=conf_threshold)
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detections = []
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if results and len(results) > 0:
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for result in results:
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for box in result.boxes:
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detections.append({
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"coords": box.xyxy.cpu().numpy(),
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"class": result.names[int(box.cls.cpu())],
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"conf": box.conf.cpu().numpy()
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#"bbox": box.xyxy.cpu().numpy().tolist()
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})
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return results[0].plot() if results and len(results) > 0 else image, detections
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def calculate_iou(boxA, boxB):
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xA = max(boxA[0], boxB[0])
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yA = max(boxA[1], boxB[1])
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xB = min(boxA[2], boxB[2])
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yB = min(boxA[3], boxB[3])
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interArea = max(0, xB - xA) * max(0, yB - yA)
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boxAArea = (boxA[2] - boxA[0]) * (boxA[3] - boxA[1])
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boxBArea = (boxB[2] - boxB[0]) * (boxB[3] - boxB[1])
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iou = interArea / float(boxAArea + boxBArea - interArea)
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return iou
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def calculate_detection_metrics(detections_true, detections_pred):
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true_positives = 0
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pred_positives = len(detections_pred)
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real_positives = len(detections_true)
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ious = []
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for pred in detections_pred:
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for real in detections_true:
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if pred['class'] == real['class']:
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iou = calculate_iou(pred['coords'].flatten(), real['coords'].flatten())
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if iou >= 0.5:
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true_positives += 1
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ious.append(iou)
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break
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precision = true_positives / pred_positives if pred_positives > 0 else 0
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recall = true_positives / real_positives if real_positives > 0 else 0
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f1_score = 2 * (precision * recall) / (precision + recall) if (precision + recall) > 0 else 0
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average_iou = sum(ious) / len(ious) if ious else 0
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return {"Precision": precision, "Recall": recall, "F1-Score": f1_score, "IOU": average_iou}
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def read_kitti_annotations(file_path):
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ground_truths = []
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with open(file_path, 'r') as file:
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for line in file:
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parts = line.strip().split()
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if parts[0] != 'DontCare': # Ignorar 'DontCare'
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class_label = parts[0].lower() # Clase en minúscula
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bbox = [float(parts[4]), float(parts[5]), float(parts[6]), float(parts[7])]
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ground_truths.append({'class': class_label, 'bbox': bbox})
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return ground_truths
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def save_detections(detections, output_dir, filename='detections.txt'):
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if not os.path.exists(output_dir):
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os.makedirs(output_dir)
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with open(os.path.join(output_dir, filename), 'w') as file:
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for detection in detections:
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class_label = detection['class']
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bbox = ','.join(map(str, detection['bbox']))
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file.write(f"{class_label},[{bbox}]\n")
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def yolov10_inference_1(image, model_id, image_size, conf_threshold):
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device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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model = YOLOv10.from_pretrained(f'jameslahm/{model_id}').to(device)
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results = model.predict(source=image, imgsz=image_size, conf=conf_threshold)
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detections = []
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if results and len(results) > 0:
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for result in results:
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for box in result.boxes:
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detections.append({
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#"coords": box.xyxy.cpu().numpy(),
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"class": result.names[int(box.cls.cpu())],
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#"conf": box.conf.cpu().numpy()
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"bbox": box.xyxy.cpu().numpy().tolist()
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})
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return results[0].plot() if results and len(results) > 0 else image, detections
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def calculate_iou_1(boxA, boxB):
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# Asegúrate de que boxA y boxB son listas planas de flotantes
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# Esto es necesario porque la función max() y min() requieren comparar elementos directamente
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boxA = [float(num) for sublist in boxA for num in sublist] if isinstance(boxA[0], list) else [float(num) for num in boxA]
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boxB = [float(num) for sublist in boxB for num in sublist] if isinstance(boxB[0], list) else [float(num) for num in boxB]
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# Determina las coordenadas de la intersección
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xA = max(boxA[0], boxB[0])
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yA = max(boxA[1], boxB[1])
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xB = min(boxA[2], boxB[2])
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yB = min(boxA[3], boxB[3])
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# Calcula el área de la intersección
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interArea = max(0, xB - xA) * max(0, yB - yA)
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# Calcula el área de cada cuadro delimitador y la unión
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boxAArea = (boxA[2] - boxA[0]) * (boxA[3] - boxA[1])
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boxBArea = (boxB[2] - boxB[0]) * (boxB[3] - boxB[1])
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unionArea = boxAArea + boxBArea - interArea
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# Calcula el IoU
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iou = interArea / float(unionArea)
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return iou
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def calculate_detection_metrics_1(detections_true, detections_pred):
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true_positives = 0
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pred_positives = len(detections_pred)
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real_positives = len(detections_true)
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ious = []
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for pred in detections_pred:
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pred_bbox = pred['bbox']
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pred_class = pred['class']
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for real in detections_true:
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real_bbox = real['bbox']
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real_class = real['class']
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if pred_class == real_class:
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iou = calculate_iou_1(pred_bbox, real_bbox)
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if iou >= 0.5:
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true_positives += 1
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ious.append(iou)
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break
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precision = true_positives / pred_positives if pred_positives > 0 else 0
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recall = true_positives / real_positives if real_positives > 0 else 0
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f1_score = 2 * (precision * recall) / (precision + recall) if (precision + recall) > 0 else 0
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average_iou = sum(ious) / len(ious) if ious else 0
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return {"Precision": precision, "Recall": recall, "F1-Score": f1_score, "IOU": average_iou}
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