add opencv_tracker python file

Author: manthan89-py

bitwise_operation_opencv.py

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+import cv2
+import numpy as np
+
+# height width channls
+img1 = np.zeros((250,500,3) , np.uint8)
+img1 = cv2.rectangle(img1,(200,0),(300,100) , (255,255,255) , -1)
+img2 = cv2.imread('messi5.jpg')
+
+cv2.imshow('Main image1' , img1)
+cv2.imshow('Main image2' , img2)
+
+img2 = cv2.resize(img2 ,(500,250)) # width height
+print(img1.shape)
+print(img2.shape)
+
+# Bitwise Operations #
+
+bitAnd = cv2.bitwise_and(img1 , img2)
+bitOr = cv2.bitwise_or(img1 , img2)
+bitXor = cv2.bitwise_xor(img1 , img2)
+bitnot1 = cv2.bitwise_not(img1)
+bitnot2 = cv2.bitwise_not(img2)
+
+# cv2.imshow('bitAnd' , bitAnd)
+# cv2.imshow('bitOr' , bitOr)
+# cv2.imshow('bitXor' , bitXor)
+# cv2.imshow('bitnot1' , bitnot1)
+# cv2.imshow('bitnot2' , bitnot2)
+
+cv2.waitKey(0)
+cv2.destroyAllWindows()

opencv_trackbar.py

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+import cv2
+import numpy as np
+
+def nothing(x):
+print(x)
+
+img = np.zeros((300,512,3) , np.uint8)
+cv2.namedWindow('image')
+
+cv2.createTrackbar('B', 'image' , 0 , 255 , nothing)
+cv2.createTrackbar('G', 'image' , 0 , 255 , nothing)
+cv2.createTrackbar('R', 'image' , 0 , 255 , nothing)
+
+switches = '0 : OFF\n 1 : ON'
+cv2.createTrackbar(switches, 'image' , 0 , 1 , nothing)
+
+
+while True:
+cv2.imshow('image' , img)
+k = cv2.waitKey(1) & 0xFF
+if k == 27:
+break
+
+b = cv2.getTrackbarPos('B','image')
+g = cv2.getTrackbarPos('G','image')
+r = cv2.getTrackbarPos('R','image')
+switch = cv2.getTrackbarPos(switches,'image')
+
+if switch == 1:
+img[:] = [b,g,r]
+else:
+pass
+
+
+cv2.destroyAllWindows()