Merge pull request HarshCasper#314 from sharur7/sharur7

Sharur7

Author: HarshCasper

Python/Image_Sketch/README.md

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+# Image to Sketch
+The original image is converted into black and white sketched image.
+
+### Results:
+
+#### Original Image
+<img src ="https://github.com/sharur7/Rotten-Scripts/blob/sharur7/Python/Image_Sketch/obama.jpg?raw=true" alt="Original_image" width="280" height="300">
+
+#### Sketched Image
+<img src ="https://github.com/sharur7/Rotten-Scripts/blob/sharur7/Python/Image_Sketch/sketch.jpg?raw=true" alt="Original_image" width="280" height="300">

Python/Image_Sketch/Sketch.py

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+# Importing Libraries
+import cv2
+import numpy as np
+from skimage import io
+
+# Making a sketch generating function
+
+def sketch(img):
+    # Converting image into grayscale
+    img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+    RGB_img = cv2.cvtColor(img_gray, cv2.COLOR_BGR2RGB)
+
+    # Clean up image using Gausian Blur
+    img_gray_blur = cv2.GaussianBlur(RGB_img, (5, 5), 0)
+
+    # Extracting edges
+    canny_edges = cv2.Canny(img_gray_blur, 10, 70)
+
+    # Do an invert binarize the image
+    ret, mask = cv2.threshold(canny_edges, 70, 255, cv2.THRESH_BINARY_INV)
+    return mask
+
+# Reading our image
+img = io.imread("obama.jpg")
+cv2.imshow('Our Sketch', sketch(img))
+# cv2.imwrite('sketch.jpg', sketch(img))
+cv2.waitKey(0)
+cv2.destroyAllWindows()
+