monochrome edge detection

2022-10-12 16:43:28 -07:00 · 2022-10-12 16:43:28 -07:00 · c783f6b586
parent d95314ec30
commit c783f6b586
2 changed files with 21 additions and 0 deletions
--- a/examples/01-0001-cropped-edge-detection.png
+++ b/examples/01-0001-cropped-edge-detection.png
--- a/examples/edge_detection.py
+++ b/examples/edge_detection.py
@ -0,0 +1,21 @@
+# MONOCHROME EDGE DETECTION
+
+import cv2 as cv
+import numpy as np
+
+file = '01-0001-cropped.png'
+file_name = file.split(".")[0]
+file_ext = file.split(".")[1]
+
+img = cv.imread(file)
+
+img = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
+
+kernel = np.array([
+    [-1, -1, -1],
+    [-1, 8, -1],
+    [-1, -1, -1],
+])
+img = cv.filter2D(src=img, ddepth=-1, kernel=kernel)
+
+cv.imwrite(f'{file_name}-edge-detection.{file_ext}', img)