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fps counter

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This commit is contained in:
Simon Pirkelmann 2020-11-14 16:39:53 +01:00
parent a3af40b001
commit 708284749d
1 changed files with 13 additions and 0 deletions
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13
remote_control/aruco_estimator.py
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@ -167,6 +167,9 @@ class ArucoEstimator:
cv2.namedWindow('RoboRally', cv2.WINDOW_AUTOSIZE)
cv2.setMouseCallback('RoboRally', self.mouse_callback)
fps_display_rate = 1 # displays the frame rate every 1 second
fps_counter = 0
start_time = time.time()
try:
running = True
while running:
@ -221,6 +224,16 @@ class ArucoEstimator:
if self.drag_line_start is not None and self.drag_line_end is not None:
color_image = cv2.line(color_image, self.drag_line_start, self.drag_line_end, color=(0, 0, 255), thickness=2)
# compute frame rate
fps_counter += 1
delta_t = time.time() - start_time
if delta_t > fps_display_rate:
fps_counter = 0
start_time = time.time()
color_image = cv2.putText(color_image, f"fps = {(fps_counter / delta_t):.2f}", (10, 25), cv2.FONT_HERSHEY_PLAIN, 2,
(0, 255, 255),
thickness=2)
# Show images
cv2.imshow('RoboRally', color_image)
key = cv2.waitKey(1)