OSSForks/opencv
1
0
Fork 0
mirror of https://github.com/zebrajr/opencv.git synced 2026-01-15 12:15:17 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Tutorial Hit-or-Miss

Browse Source
This commit is contained in:
tribta
2017-08-20 22:54:38 +01:00
parent bc18fb481f
commit 18bc4db75c
5 changed files with 132 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
samples/python/tutorial_code/imgProc/HitMiss/hit_miss.py Normal file
View File

@@ -0,0 +1,38 @@
import cv2
import numpy as np
input_image = np.array((
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 255, 255, 255, 0, 0, 0, 255],
[0, 255, 255, 255, 0, 0, 0, 0],
[0, 255, 255, 255, 0, 255, 0, 0],
[0, 0, 255, 0, 0, 0, 0, 0],
[0, 0, 255, 0, 0, 255, 255, 0],
[0,255, 0, 255, 0, 0, 255, 0],
[0, 255, 255, 255, 0, 0, 0, 0]), dtype="uint8")
kernel = np.array((
[0, 1, 0],
[1, -1, 1],
[0, 1, 0]), dtype="int")
output_image = cv2.morphologyEx(input_image, cv2.MORPH_HITMISS, kernel)
rate = 50
kernel = (kernel + 1) * 127
kernel = np.uint8(kernel)
kernel = cv2.resize(kernel, None, fx = rate, fy = rate, interpolation = cv2.INTER_NEAREST)
cv2.imshow("kernel", kernel)
cv2.moveWindow("kernel", 0, 0)
input_image = cv2.resize(input_image, None, fx = rate, fy = rate, interpolation = cv2.INTER_NEAREST)
cv2.imshow("Original", input_image)
cv2.moveWindow("Original", 0, 200)
output_image = cv2.resize(output_image, None , fx = rate, fy = rate, interpolation = cv2.INTER_NEAREST)
cv2.imshow("Hit or Miss", output_image)
cv2.moveWindow("Hit or Miss", 500, 200)
cv2.waitKey(0)
cv2.destroyAllWindows()