Revisioni di 快速 hsv 提取

1 file changed, 47 insertions

hsv.py(file creato)

		@@ -0,0 +1,47 @@
1	+	# -- coding: utf-8 --
2	+	# more detail at this video
3	+	# https://www.youtube.com/watch?v=xjrykYpaBBM
4	+	import cv2
5	+	import numpy as np
6	+
7	+
8	+	def empty(v):
9	+	pass
10	+
11	+
12	+	img = cv2.imread("./test.jpg")
13	+	# img = cv2.resize(img, (0, 0), fx=0.3, fy=0.3)
14	+
15	+	cv2.namedWindow('TrackBar')
16	+	cv2.resizeWindow('TrackBar', 640, 320)
17	+
18	+	cv2.createTrackbar('Hue Min', 'TrackBar', 0, 179, empty)
19	+	cv2.createTrackbar('Hue Max', 'TrackBar', 179, 179, empty)
20	+	cv2.createTrackbar('Sat Min', 'TrackBar', 0, 255, empty)
21	+	cv2.createTrackbar('Sat Max', 'TrackBar', 255, 255, empty)
22	+	cv2.createTrackbar('Val Min', 'TrackBar', 0, 255, empty)
23	+	cv2.createTrackbar('Val Max', 'TrackBar', 255, 255, empty)
24	+
25	+	hsv = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
26	+
27	+	while True:
28	+	h_min = cv2.getTrackbarPos('Hue Min', 'TrackBar')
29	+	h_max = cv2.getTrackbarPos('Hue Max', 'TrackBar')
30	+	s_min = cv2.getTrackbarPos('Sat Min', 'TrackBar')
31	+	s_max = cv2.getTrackbarPos('Sat Max', 'TrackBar')
32	+	v_min = cv2.getTrackbarPos('Val Min', 'TrackBar')
33	+	v_max = cv2.getTrackbarPos('Val Max', 'TrackBar')
34	+	print(h_min, h_max, s_min, s_max, v_min, v_max)
35	+
36	+	lower = np.array([h_min, s_min, v_min])
37	+	upper = np.array([h_max, s_max, v_max])
38	+
39	+	mask = cv2.inRange(hsv, lower, upper)
40	+	result = cv2.bitwise_and(img, img, mask=mask)
41	+
42	+	cv2.imshow('img', img)
43	+	cv2.imshow('hsv', hsv)
44	+	cv2.imshow('mask', mask)
45	+	cv2.imshow('result', result)
46	+
47	+	cv2.waitKey(1)

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