From 47cfade856c669efae94199af5d820b3a71501e3 Mon Sep 17 00:00:00 2001
From: wonder <hezhaohui0807@163.com>
Date: Wed, 5 Nov 2025 19:03:35 +0800
Subject: [PATCH] =?UTF-8?q?=20=F0=9F=94=84Update:=20[Lab-4]=20yolov8n=20De?=
 =?UTF-8?q?tect?=
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---
 Lab-4/src/detect.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Lab-4/src/detect.py

diff --git a/Lab-4/src/detect.py b/Lab-4/src/detect.py
new file mode 100644
index 0000000..dc0db77
--- /dev/null
+++ b/Lab-4/src/detect.py
@@ -0,0 +1,20 @@
+from ultralytics import YOLO
+import cv2
+
+# 加载最佳模型
+model = YOLO('runs/detect/yolov8n_coco128_exp1/weights/best.pt')
+
+# 在图像上进行推理
+source = 'datasets/img3.png'  # 替换成你自己的测试图片路径
+results = model(source, save=True, conf=0.5)  # conf为置信度阈值
+
+# 可视化结果（可选，使用OpenCV）
+# 读取带标注的结果图像
+result_image = results[0].plot()  # 获取第一张图片的绘制结果
+cv2.imshow('Detection Result', result_image)
+cv2.waitKey(0)
+cv2.destroyAllWindows()
+
+# 也可以在视频或摄像头上进行推理
+# results = model('path/to/video.mp4', save=True, show=True)
+# results = model(0, show=True)  # 0代表默认摄像头