74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
'''
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Description: Test Model
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Author: renlirong
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Date: 2024-07-25 11:32:36
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LastEditTime: 2024-09-13 11:19:54
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LastEditors: lrren01
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'''
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import os
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import cv2
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import json
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from ultralytics import YOLO
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# 设置路径
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model_path = 'runs/detect/train/weights/best.pt'
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test_image_folder = 'datasets/test/image'
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output_folder = 'runs/detect/test_output'
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os.makedirs(output_folder, exist_ok=True)
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model = YOLO(model_path)
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# 设置置信度阈值
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confidence_threshold = 0.2
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image_paths = [os.path.join(test_image_folder, img) for img in os.listdir(test_image_folder) if img.endswith(('png', 'jpg', 'jpeg'))]
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for image_path in image_paths:
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img = cv2.imread(image_path)
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img_rgb = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
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results = model(img_rgb, conf=confidence_threshold)
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detections = results[0].boxes.data
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height, width, _ = img.shape
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detection_results = []
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component_id = 1
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for detection in detections:
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x1, y1, x2, y2, conf, cls = detection[:6]
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x1, y1, x2, y2 = int(x1), int(y1), int(x2), int(y2)
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position = {
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"x": x1 / width,
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"y": y1 / height,
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"width": (x2 - x1) / width,
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"height": (y2 - y1) / height
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}
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detection_results.append({
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"id": f"component_{component_id}",
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"type": model.names[int(cls)],
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"position": position
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})
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component_id += 1
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cv2.rectangle(img, (x1, y1), (x2, y2), (0, 255, 0), 2)
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label = f'{model.names[int(cls)]} {conf:.2f}'
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cv2.putText(img, label, (x1, y1 - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 255, 0), 2)
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output_path = os.path.join(output_folder, os.path.basename(image_path))
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cv2.imwrite(output_path, img)
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json_file_name = os.path.splitext(os.path.basename(image_path))[0] + '.json'
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json_output_path = os.path.join(output_folder, json_file_name)
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# 将结果保存为 JSON 文件
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# x 和 y 表示组件左上角相对于图像宽度和高度的比例坐标。
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# width 和 height 表示组件相对于图像的相对宽度和高度
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with open(json_output_path, 'w') as f:
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json.dump(detection_results, f, indent=4)
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# 可选：显示结果图片
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# plt.imshow(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))
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# plt.show()
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print('检测完成，结果已保存至', output_folder)
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