cleanups

examples/edge_detection.py

@@ -3,7 +3,13 @@
 import cv2 as cv
 import numpy as np
 
-file = '01-0001-cropped.png'
+# edge-detection kernel amplification
+AMPLIFIER=9
+
+MIN_INTENSITY=100
+
+# file = '01-0001-cropped.png'
+file = 'streaktest.png'
 file_name = file.split(".")[0]
 file_ext = file.split(".")[1]
 
@@ -13,7 +19,7 @@ img = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
 
 kernel = np.array([
     [-1, -1, -1],
-    [-1, 8, -1],
+    [-1, AMPLIFIER, -1],
     [-1, -1, -1],
 ])
 img = cv.filter2D(src=img, ddepth=-1, kernel=kernel)