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DetectColor.py
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DetectColor.py
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import cv2
import numpy as np
def nothing(x):
pass
cap = cv2.VideoCapture(0)
cap.set(3,1280)
cap.set(4,720)
cv2.namedWindow("TrackBars")
cv2.createTrackbar("L -H","TrackBars",0,179,nothing)
cv2.createTrackbar("L -S","TrackBars",0,255,nothing)
cv2.createTrackbar("L -V","TrackBars",0,255,nothing)
cv2.createTrackbar("U -H","TrackBars",179,179,nothing)
cv2.createTrackbar("U -S","TrackBars",255,255,nothing)
cv2.createTrackbar("U -V","TrackBars",255,255,nothing)
while True:
ret ,frame = cap.read()
if not ret:
break
frame = cv2.flip(frame,1)
hsv = cv2.cvtColor(frame,cv2.COLOR_BGR2HSV)
l_h = cv2.getTrackbarPos("L -H","TrackBars")
l_s = cv2.getTrackbarPos("L -S","TrackBars")
l_v = cv2.getTrackbarPos("L -V","TrackBars")
u_h = cv2.getTrackbarPos("U -H","TrackBars")
u_s = cv2.getTrackbarPos("U -S","TrackBars")
u_v = cv2.getTrackbarPos("U -V","TrackBars")
lower_range = np.array([l_h,l_s,l_v])
upper_range = np.array([u_h,u_s,u_v])
mask = cv2.inRange(hsv,lower_range,upper_range)
res = cv2.bitwise_and(frame,frame,mask=mask)
mask_3 = cv2.cvtColor(mask,cv2.COLOR_GRAY2BGR)
stacked = np.hstack((mask_3,frame,res))
cv2.imshow('Trackbars', cv2.resize(stacked, None, fx=0.4, fy=0.4))
key = cv2.waitKey(1)
if key ==27:
break
if key==ord('k'):
thearray = [[l_h,l_s,l_v],[u_h,u_s,u_v]]
print(thearray)
np.save('penval',thearray)
break
cap.release()
cv2.destroyAllWindows()