ImageProcessing _image_rotation

Image-Processing/image _rotation.py

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+import cv2 ##import the module
+img = cv2.imread("rose.jpg") ##read your image 
+
+cv2.imshow('Original Image', img)  ##this will display the image original image
+cv2.waitKey(0)
+
+
+##.shape will give you height and width of image
+height, width = img.shape[0:2]
+##getrotationmatrix2d will create a rotation matrix  "(center, angle, scale)" => arguments
+rotationMatrix = cv2.getRotationMatrix2D((width/2, height/2), 90, .5)
+## the wrapAffine function will rotate image "(img, rotationMatrix, (width, height))" => arguments
+rotatedImage = cv2.warpAffine(img, rotationMatrix, (width, height)) 
+
+cv2.imshow('Rotated Image', rotatedImage)
+
+cv2.waitKey(0)