From 1430afd79f6d747d9992dfd05dc29e1083e2ae1e Mon Sep 17 00:00:00 2001
From: dronus <paul.geisler@web.de>
Date: Tue, 10 Aug 2021 23:02:15 +0200
Subject: [PATCH] efficient histogram datatype, better histogram debug print
---
linescan.py | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/linescan.py b/linescan.py
index 781d7b2..026dc72 100755
--- a/linescan.py
+++ b/linescan.py
@@ -140,7 +140,7 @@ sfps = SmoothedFpsCalculator()
histogram_steps=conf["bins"]
threshold=conf["threshold"]
-last_histogram=np.zeros((histogram_steps))
+last_histogram=np.zeros(histogram_steps,dtype=np.uint16)
# capture frames from the camera
clahe=cv2.createCLAHE(clipLimit=conf["contrast_limit"])
@@ -161,7 +161,7 @@ for f in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True
#line_frame_2=line_frame[0:1,1:num_keys+1]
#retval,line_frame=cv2.threshold(line_frame_2,conf["threshold"],255,cv2.THRESH_BINARY)
- histogram=np.zeros(histogram_steps)
+ histogram=np.zeros(histogram_steps,dtype=np.uint16)
for pixel in np.nditer(line_frame):
histogram[(int)(pixel*histogram_steps/256)]+=1
@@ -182,7 +182,7 @@ for f in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True
pixel_count-=1
index+=1
- print("Pixels on: "+str(pixel_count))
+ print("Pixels on: "+str(pixel_count)+":"+str(histogram))
last_histogram=np.copy(histogram)
--
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