You have a bad handwriting? Maybe I can’t read it but my program can

alexs1320 (71) 6 years ago

I really enjoyed reading this post!

I'm a bit curious... Have you noticed why those few examples were misinterpreted? Seriously bad writing, or something with the alignment or the line was broken...?

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3 votes

nikolanikola (67) 6 years ago (edited)

I'm glad that you like it:)

Well some of them had really bad writing but sometimes some other things can be factors like at this sample below:

Because it has this black spot in the lower left corner and I was cutting the edges until it comes to first black pixel, it's recognized as 9 😢

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alexs1320 (71) 6 years ago

It's nice to see that preprocessing was responsible and not the algorithm itself. With some more advanced method to replace the simplest thresholding, this becomes useful ;)

3 votes

alexander.alexis (63) 6 years ago (edited)

My dad was a dermatologist, so I've inherited some of his ineligible-writing skills :D It would be useful to have a machine to translate my writing for people!

a confusion matrix!

That's what I felt like reading some of the math!

Thanks for the mention. And always interesting to read a machine-learning post.

nikolanikola (67) 6 years ago

I love to believe that I actually write really nice and that I'm just too lazy to do it properly 😏

That's what I felt like reading some of the math!

Ohh I was right - I can bet that Gaussian formula scared you? :D

You're welcome, it's always interesting to write a machine learning post :)

zen-art (68) 6 years ago

This is sooooo cool!!! This is the coolest thing I have seen in a while, wow! Oh and, that formula is not the ugliest thing in your life and I am so going to use it in my post tomorrow about math and send you some people over, hihihi, I will even scare them with you :D

P.S. Do you have any idea how to fix the code to be more precise and maybe lower the error probability from 5% to maybe 2% or smaller?

nikolanikola (67) 6 years ago

Thanks Petra! 😊

Have you seen some uglier formulas? Now I'm curious.

You have definitely found the right person for scaring people with math, send them over! :D

Well, like I said to Alex above in comments - those mistakes appeared because some samples were really bad written and the algorithm by itself works nicely, but I assume that there can be some improvement.

Here's one idea - when cropping, we can after reaching first black pixels on image, to check few rows further to see do we have more black pixels - if not, we can consider it as a black spot and can continue cropping and preprocessing image. That way, we could eliminate that case of misinterpreted eight from above. I hope that I was clear :)

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zen-art (68) 6 years ago

I see beauty in math so to answer your question, nope, I have not seen one ugly thing in math :)
Yeah, you were clear, I think... Like a loop part in the code that would repeat the cropping process after first checking if the pixel is a part of the number or not.

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nikolanikola (67) 6 years ago

I see beauty in math

That's nice to hear :)

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zen-art (68) 6 years ago

It is like seeing the Universe naked, kind of kinky but there are different levels of kinkiness, right? :)

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nikolanikola (67) 6 years ago

Lmaoo, of course 😉

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lemouth (72) 6 years ago

This is a very nice post, and the explanations are very clear. I am wondering how many people will try it at home. :)

nikolanikola (67) 6 years ago (edited)

Thank you @lemouth! :)

I would be very happy if someone would find himself in those things thanks to my blog, but I think that literally no one will try this at home :D

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lemouth (72) 6 years ago

Maybe one day... who knows? :D

fredanderson (38) 6 years ago

You have a very interesting article! It strike me coz I myself have a bad writing, I will always tell my parents, I'd rather type my report than printing it on the paper. But I think, for myself at least the reason is that I don't hold my pen correctly, many times I've heard people told me " I am holding my pen wrong", So I guess proper posture affect your handwriting.