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Drop first 20 frames before mse compare. #941

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Drop first 20 frames before mse compare. #941

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4 changes: 3 additions & 1 deletion examples/capture_motion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,11 +20,13 @@
prev = None
encoding = False
ltime = 0
cnt = 0

while True:
cur = picam2.capture_buffer("lores")
cur = cur[:w * h].reshape(h, w)
if prev is not None:
cnt += 1
if prev is not None and cnt >= 20:
# Measure pixels differences between current and
# previous frame
mse = np.square(np.subtract(cur, prev)).mean()
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