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Runtime error
File size: 1,047 Bytes
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from typing import Optional
import numpy as np
import time, cv2
class FrameRate:
def __init__(self) -> None:
self.c: int = 0
self.start_time: Optional[float] = None
self.NO_FRAMES = 10
self.fps: float = -1
self.label: str = ""
def reset(self) -> None:
self.start_time = time.time()
self.c = 0
self.fps = -1
def count(self) -> None:
self.c += 1
if self.c % self.NO_FRAMES == 0:
self.c = 0
end_time = time.time()
self.fps = self.NO_FRAMES / (end_time - self.start_time)
self.start_time = end_time
def show_fps(self, image: np.ndarray) -> np.ndarray:
if self.fps != -1:
return cv2.putText(
image,
f"FPS {self.fps:.0f} _ {self.label}",
(50, 50),
cv2.FONT_HERSHEY_SIMPLEX,
fontScale=1,
color=(255, 0, 0),
thickness=2,
)
else:
return image
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