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opencv vs emgu vs qt

asked 2015-11-15 14:59:48 -0500

Hello all

I would like to ask for a little advice. I see opencv is very powerfull but to create a program that many will use a gui is really required because many cannot understand command line. Why does opencv not include a gui interface by default?

Now if I want to create a gui app I have the option of emgu, qt and opencvsharp as I can see. opencvsharp seems to have the least amount of documentation, so I guess that aint really my 1st choice.

I really liked QT but the debug folder for just a simple open file dialog app to show an image and convert it to canny came to be over 600mb.

So I had a look at emgucv and I am the most familiar with csharp but now I have read so many tutorials on opencv and it seems the syntaxes are different everywhere.

The main purpose is going to be OCR text detection using a live video feed.

What application do you guys recommend I use?

Thanks

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answered 2015-11-16 00:01:24 -0500

berak gravatar image

updated 2015-11-16 00:08:18 -0500

  • "Why does opencv not include a gui interface by default" - opencv is a computer-vision library, not a framework

  • "and it seems the syntaxes are different everywhere" - yes, that's the problem. as soon as you're using an unsupported 3rd party wrapper, like emgu, opencvsharp, javaCV, noone here will understand your code, or can help you.

  • "The main purpose is going to be OCR text detection using a live video feed." - then, don't put the cart before the horse. first get the OCR right, then worry about gui, not the other way round.

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Asked: 2015-11-15 14:59:48 -0500

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Last updated: Nov 15 '15