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live-video-colour-detection.py
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live-video-colour-detection.py
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import cv2
import numpy as np
import imutils
cap= cv2.VideoCapture(0)
cap.set(3,640)
cap.set(4,480)
while True:
_,frame= cap.read()
hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
hsv = cv2.cvtColor(frame,cv2.COLOR_BGR2HSV)
# Range for lower
lower_red = np.array([0,50,50])
upper_red = np.array([10,255,255])
mask1 = cv2.inRange(hsv, lower_red, upper_red)
lower_orange = np.array([11,50,50])
upper_orange = np.array([20,255,255])
mask3 = cv2.inRange(hsv, lower_orange, upper_orange)
lower_yellow = np.array([21,50,50])
upper_yellow = np.array([30,255,255])
mask5 = cv2.inRange(hsv, lower_yellow, upper_yellow)
lower_green = np.array([31,50,50])
upper_green = np.array([80,255,255])
mask7 = cv2.inRange(hsv, lower_green, upper_green)
lower_light_blue = np.array([81,50,50])
upper_light_blue = np.array([110,255,255])
mask11 = cv2.inRange(hsv, lower_light_blue, upper_light_blue)
lower_blue = np.array([111,50,50])
upper_blue = np.array([130,255,255])
mask13 = cv2.inRange(hsv, lower_blue, upper_blue)
lower_violet = np.array([131,50,50])
upper_violet = np.array([140,255,255])
mask15 = cv2.inRange(hsv, lower_violet, upper_violet)
lower_purple = np.array([141,50,50])
upper_purple = np.array([160,255,255])
mask17 = cv2.inRange(hsv, lower_purple, upper_purple)
lower_pink = np.array([161,50,50])
upper_pink = np.array([170,255,255])
mask19 = cv2.inRange(hsv, lower_pink, upper_pink)
lower_gray = np.array([0,0,10])
upper_gray = np.array([0,0,225])
mask21 = cv2.inRange(hsv, lower_gray, upper_gray)
# Range for upper range
lower_red = np.array([170,120,70])
upper_red = np.array([180,255,255])
mask2 = cv2.inRange(hsv,lower_red,upper_red)
lower_orange = np.array([181,120,70])
upper_orange = np.array([190,255,255])
mask4 = cv2.inRange(hsv,lower_orange,upper_orange)
lower_yellow = np.array([191,120,70])
upper_yellow = np.array([200,255,255])
mask6 = cv2.inRange(hsv, lower_yellow, upper_yellow)
lower_green = np.array([201,120,70])
upper_green = np.array([250,255,255])
mask8 = cv2.inRange(hsv, lower_green, upper_green)
lower_light_blue = np.array([251,120,70])
upper_light_blue = np.array([290,255,255])
mask12 = cv2.inRange(hsv, lower_light_blue, upper_light_blue)
lower_blue = np.array([291,120,70])
upper_blue = np.array([300,255,255])
mask14 = cv2.inRange(hsv, lower_blue, upper_blue)
lower_violet = np.array([301,120,70])
upper_violet = np.array([310,255,255])
mask16 = cv2.inRange(hsv, lower_violet, upper_violet)
lower_purple = np.array([311,120,70])
upper_purple = np.array([330,255,255])
mask18 = cv2.inRange(hsv, lower_purple, upper_purple)
lower_pink = np.array([331,120,70])
upper_pink = np.array([340,255,255])
mask20 = cv2.inRange(hsv, lower_pink, upper_pink)
lower_gray = np.array([361,120,70])
upper_gray = np.array([380,255,255])
mask22 = cv2.inRange(hsv, lower_gray, upper_gray)
# Generating the final mask to detect red color
mask1 = mask1+mask2
mask3 = mask3+mask4
mask5 = mask5+mask6
mask7 = mask7+mask8
mask11 = mask11+mask12
mask13 = mask13+mask14
mask15 = mask15+mask16
mask17 = mask17+mask18
mask19 = mask19+mask20
mask21 = mask21+mask22
borderc1=cv2.findContours(mask1, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc1=imutils.grab_contours(borderc1)
borderc2=cv2.findContours(mask3, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc2=imutils.grab_contours(borderc2)
borderc3=cv2.findContours(mask5, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc3=imutils.grab_contours(borderc3)
borderc4=cv2.findContours(mask7, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc4=imutils.grab_contours(borderc4)
borderc6=cv2.findContours(mask11, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc6=imutils.grab_contours(borderc6)
borderc7=cv2.findContours(mask13, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc7=imutils.grab_contours(borderc7)
borderc8=cv2.findContours(mask15, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc8=imutils.grab_contours(borderc8)
borderc9=cv2.findContours(mask17, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc9=imutils.grab_contours(borderc9)
borderc10=cv2.findContours(mask19, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc10=imutils.grab_contours(borderc10)
borderc11=cv2.findContours(mask21, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
borderc11=imutils.grab_contours(borderc11)
for a in borderc1:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Red", (cx-10, cy-5), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc2:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Orange", (cx-20, cy-10), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc3:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Yellow", (cx-10, cy-10), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc4:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Green", (cx-10, cy-10), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc6:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Light Blue", (cx-10, cy-10), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc7:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Blue", (cx-10, cy-10), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc8:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Violet", (cx-10, cy-10), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc9:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Purple", (cx-10, cy-1), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc10:
Carea = cv2.contourArea(a)
if Carea > 1500:
cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Pink", (cx-10, cy-10), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
for a in borderc11:
Carea = cv2.contourArea(a)
if Carea > 1500:
b=cv2.drawContours(frame,[a],-1,(0,255,0), 1)
centroid = cv2.moments(a)
cx = int(centroid["m10"]/ centroid["m00"])
cy = int(centroid["m01"]/ centroid["m00"])
cv2.circle(frame,(cx,cy),1,(0,0,0),0)
cv2.putText(frame, "Gray", (cx-10, cy-10), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (255,255,255))
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cv2.imshow("result",frame)
cap.release()
cv2.destroyAllWindows()