November 2018
Intermediate to advanced
492 pages
12h 19m
English
Content preview from Hands-On Image Processing with Python
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With scikit-image
The next code snippet shows how to detect corner points in an image using the Harris Corner Detector with the corner_harris() function from the scikit-image feature module:
image = imread('../images/chess_football.png') # RGB imageimage_gray = rgb2gray(image)coordinates = corner_harris(image_gray, k =0.001)image[coordinates>0.01*coordinates.max()]=[255,0,0,255]pylab.figure(figsize=(20,10))pylab.imshow(image), pylab.axis('off'), pylab.show()
The next screenshot shows the output of the code, with the corners detected as red points:
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