I really enjoyed your step-by-step explanation of the pipeline:
<a href="http://vipulsharma20.blogspot.in/2016/01/document-scanner-using-python-opencv.html" rel="nofollow">http://vipulsharma20.blogspot.in/2016/01/document-scanner-us...</a><p>Great job! Computer vision is a really exciting field, and there are many exciting things you can do with it.
What a resource! Just check out the link for a visual representation of what it does, which is to take a potato-quality, poorly-angled picture of a receipt and convert it to text, all in about 120 lines of very well documented code.
One thing that Evernote has always done very well for me, is make scanned documents searchable. How much of a stretch would it be to take something like this, find the areas containing text, and do OCR?
Very nice writeup, I did something simmilar but not as usefull <a href="https://jeena.net/catdog" rel="nofollow">https://jeena.net/catdog</a><p>"The goal of this project was to give a computer a drawing of either a cat's or a dog's face and let it recognize with high probability whether a cat or a dog is shown."
is canny edge detection better than adaptivethreshold for pre-filtering the image? The AR tag implementations I've looked at all seem to use adaptivethreshold.