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-rw-r--r--CamTest.py19
1 files changed, 19 insertions, 0 deletions
diff --git a/CamTest.py b/CamTest.py
index cd3917e..1e0cc2a 100644
--- a/CamTest.py
+++ b/CamTest.py
@@ -1,20 +1,33 @@
import cv2
+import time
from picamera2 import Picamera2
+
# Create an instance of the PiCamera2 object
cam = Picamera2()
+#Parameters
+fps=0
+pos=(30,60) #top-left
+font=cv2.FONT_HERSHEY_COMPLEX
+height=1.5
+color=(0,0,255) #BGR- RED
+weight=3
# Set the resolution of the camera preview
cam.preview_configuration.main.size = (640, 360)
cam.preview_configuration.main.format = "RGB888"
+cam.preview_configuration.controls.FrameRate=30
cam.preview_configuration.align()
cam.configure("preview")
cam.start()
# While loop to continuously capture frames from camera
while True:
+ tStart=time.time()
# Capture a frame from the camera
frame=cam.capture_array()
+ #Display FPS
+ cv2.putText(frame,str(int(fps))+' FPS',pos,font,height,color,weight)
# Convert frame from BGR to grayscale
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
@@ -31,6 +44,12 @@ while True:
elif key == 113: # q key
break
+ #calculate fps
+ tEnd=time.time()
+ # time between two epochs
+ looptime=tEnd-tStart
+ fps=1/looptime
+
# Release the camera and close all windows
cam.stop()
cv2.destroyAllWindows()