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+---
+title: "🎬 Счётчик FPS в OpenCV"
+date: 2023-10-03T21:41:14+03:00
+draft: false
+tags: [cv, tips, python]
+---
+
+На примере работы с YOLOv8 показываю получение FPS.
+
+Необходим модуль `time` и две переменные: `prev_frame_time`, `new_frame_time`.
+
+```python
+import time
+import cv2
+from ultralytics import YOLO
+
+model = YOLO('best_s_640.pt')
+
+video_path = 'run.mp4'
+cap = cv2.VideoCapture(video_path)
+
+prev_frame_time = 0
+new_frame_time = 0
+
+while cap.isOpened():
+    success, frame = cap.read()
+
+    new_frame_time = time.time()
+
+    if success:
+        results = model(frame)
+
+        # Обработка кадра
+        # ...
+
+        fps = str(1 / (new_frame_time - prev_frame_time))
+
+        # Вывод FPS на кадр
+        cv2.putText(
+            annotated_frame,
+            fps,
+            (7, 70),
+            cv2.FONT_HERSHEY_SIMPLEX,
+            3,
+            (100, 255, 0),
+            3,
+            cv2.LINE_AA,
+        )
+        
+        prev_frame_time = new_frame_time
+
+        cv2.imshow('OpenCV', complete_frame)
+
+        if cv2.waitKey(1) & 0xFF == ord('q'):
+            break
+    else:
+        break
+
+    print('FPS: {}'.format(fps))
+
+cap.release()
+cv2.destroyAllWindows()
+```