Fast Discrete Radon Transformation

I didn't think this one would take as long as it did to produce, but I didn't think the explanation would demand as long a video as it did. 

Finding straight lines with the Fast Discrete Radon Transformation.

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The card reader and the Hough transform

We use the Hough Transform to find the straight lines in the image and finish getting the bits from the punched card.
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Image preparation for the card reader

Ths stuff in this video is the “bread and butter&drquo; of image processing. Experienced computer visionaries will have heard it all before.
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