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python Programming Glossary: img1What is different between all these OpenCV Python interfaces? http://stackoverflow.com/questions/10417108/what-is-different-between-all-these-opencv-python-interfaces images there isn't a need to call any function just do res img1 img2 . But NumPy addition is a modulo operation for uint8 arrays..
Comparing image in url to image in filesystem in python http://stackoverflow.com/questions/13875989/comparing-image-in-url-to-image-in-filesystem-in-python from scipy.signal import gaussian from PIL import Image img1 Image.open sys.argv 1 img2 Image.open sys.argv 2 if img1.size.. img1 Image.open sys.argv 1 img2 Image.open sys.argv 2 if img1.size img2.size print Error images size differ raise SystemExit.. 2 for _ in xrange num_metrics for band1 band2 in zip img1.split img2.split b1 numpy.asarray band1 dtype numpy.double b2..
How can I quantify difference between two images? http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images images as 2D arrays convert to grayscale for simplicity img1 to_grayscale imread file1 .astype float img2 to_grayscale imread.. file2 .astype float # compare n_m n_0 compare_images img1 img2 print Manhattan norm n_m per pixel n_m img1.size print.. img1 img2 print Manhattan norm n_m per pixel n_m img1.size print Zero norm n_0 per pixel n_0 1.0 img1.size How to..
Finding blank regions in image http://stackoverflow.com/questions/3310681/finding-blank-regions-in-image difference of two images via PIL img ImageChops.difference img1 img2 And I want to find the rectangular regions that contain..
http://stackoverflow.com/questions/3374878/with-the-python-imaging-library-pil-how-does-one-compose-an-image-with-an-alp out 'RGBA' return out For example given these two images img1 Image.new 'RGBA' size 100 100 color 255 0 0 255 draw ImageDraw.Draw.. 'RGBA' size 100 100 color 255 0 0 255 draw ImageDraw.Draw img1 draw.rectangle 33 0 66 100 fill 255 0 0 128 draw.rectangle 67.. 255 0 0 128 draw.rectangle 67 0 100 100 fill 255 0 0 0 img1.save ' tmp img1.png' img2 Image.new 'RGBA' size 100 100 color..
How to detect motion between two PIL images? (wxPython webcam integration example included) http://stackoverflow.com/questions/5524179/how-to-detect-motion-between-two-pil-images-wxpython-webcam-integration-exampl p 2 for p in samples_probability if p 0 # testing.. img1 Image.open 'SnowCam_main1.jpg' img2 Image.open 'SnowCam_main2.jpg'.. # No Difference img ImageChops.difference img1 img1 img.save 'test_diff1.png' print image_entropy img # 1.58496250072.. # No Difference img ImageChops.difference img1 img1 img.save 'test_diff1.png' print image_entropy img # 1.58496250072..
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