add Harry Potter Cloak script using Open-CV (#228)

* add Harry Potter Cloak script using Open-CV

* add Indian Flag using Turtle

* Delete README.md

* Delete main.py

* Update README.md

Harry-Potter-Cloak/HarryPotterCloak.py

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+import cv2
+import numpy
+
+def hello(x):
+	print("")
+
+if __name__=='__main__':
+	cap = cv2.VideoCapture(0)
+	bars = cv2.namedWindow("bars")
+
+	cv2.createTrackbar("upper_hue","bars",110,180,hello)
+	cv2.createTrackbar("upper_saturation","bars",255, 255, hello)
+	cv2.createTrackbar("upper_value","bars",255, 255, hello)
+	cv2.createTrackbar("lower_hue","bars",68,180, hello)
+	cv2.createTrackbar("lower_saturation","bars",55, 255, hello)
+	cv2.createTrackbar("lower_value","bars",54, 255, hello)
+
+	#Capturing the initial frame for creation of background
+	while(True):
+		cv2.waitKey(1000)
+		ret,init_frame = cap.read()
+		if(ret):
+			break
+
+	while(True):
+		ret,frame = cap.read()
+		inspect = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
+
+		#getting the HSV values for masking the cloak
+		upper_hue = cv2.getTrackbarPos("upper_hue", "bars")
+		upper_saturation = cv2.getTrackbarPos("upper_saturation", "bars")
+		upper_value = cv2.getTrackbarPos("upper_value", "bars")
+		lower_value = cv2.getTrackbarPos("lower_value","bars")
+		lower_hue = cv2.getTrackbarPos("lower_hue","bars")
+		lower_saturation = cv2.getTrackbarPos("lower_saturation","bars")
+
+		#Kernel to be used for dilation
+		kernel = numpy.ones((3,3),numpy.uint8)
+
+		upper_hsv = numpy.array([upper_hue,upper_saturation,upper_value])
+		lower_hsv = numpy.array([lower_hue,lower_saturation,lower_value])
+
+		mask = cv2.inRange(inspect, lower_hsv, upper_hsv)
+		mask = cv2.medianBlur(mask,3)
+		mask_inv = 255-mask 
+		mask = cv2.dilate(mask,kernel,5)
+		
+		#The mixing of frames in a combination to achieve the required frame
+		b = frame[:,:,0]
+		g = frame[:,:,1]
+		r = frame[:,:,2]
+		b = cv2.bitwise_and(mask_inv, b)
+		g = cv2.bitwise_and(mask_inv, g)
+		r = cv2.bitwise_and(mask_inv, r)
+		frame_inv = cv2.merge((b,g,r))
+
+		b = init_frame[:,:,0]
+		g = init_frame[:,:,1]
+		r = init_frame[:,:,2]
+		b = cv2.bitwise_and(b,mask)
+		g = cv2.bitwise_and(g,mask)
+		r = cv2.bitwise_and(r,mask)
+		blanket_area = cv2.merge((b,g,r))
+
+		final = cv2.bitwise_or(frame_inv, blanket_area)
+
+		cv2.imshow("Harry's Cloak",final)
+
+		if(cv2.waitKey(3) == ord('q')):
+			break;
+
+	cv2.destroyAllWindows()
+	cap.release()

Harry-Potter-Cloak/README.md

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+## Harry Potter Cloak using OpenCV
+
+This is a fun python script to simulate a harry potter cloak using image masking with the help of opencv library.
+It also uses the numpy library for some mathematical calculations.
+
+Requirements: You will need Python installed on your system along with numpy and opencv library for this script to work properly.

Harry-Potter-Cloak/requirements.txt

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+numpy
+opencv

README.md

@@ -52,6 +52,7 @@ So far, the following projects have been integrated to this repo:
 |[Minecraft Server in background](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/Minecraft_server_in_background)|[Max von Forell](https://github.com/mvforell)|
 |[Own IP locator](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/Location_Of_Own_IP_Adress)|[Chris]()|
 |[Port Scanner](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/Port_Scanner)|[Plutoberth](https://github.com/Plutoberth)|
+|[Harry Potter Cloak](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/Harry-Potter-Cloak) | [thesmartdeveloperr](https://github.com/thesmartdeveloperr)|
 |[Python Algebra Solver](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/Algebra-Solver)|[Sengxay Xayachack](https://github.com/frankxayachack)|
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