Image Processing: Language Camparison

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C++

C#

Why is C# better/preferable than Visual C++ in terms of image processing and computer vision?

Posted 5-Jan-11 5:46am

sajawal

Updated 5-Jan-11 5:52am

Slacker007

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Slacker007 5-Jan-11 11:53am

I didn't know that it was. Are you sure about that?

Manfred Rudolf Bihy 5-Jan-11 12:08pm

@Slacker007: I think OP meant to ask why anyone should prefer one over the other. I think the subject line is clearer than OP's question. :)

fjdiewornncalwe 5-Jan-11 12:51pm

The better language for any individual is the language the individual is more comfortable with.

3 solutions

Solution 3

First the algorithm then the language. Only after you've found the optimum algorithm (or a close one) you may choose the language: if a (native) C++ implementation isn't too complex then it is the right choice, otherwise, go managed.
:)

Posted 5-Jan-11 7:40am

CPallini

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Manfred Rudolf Bihy · Accepted Answer · 2011-01-05T05:55:00

I'd say the other way around. Depends though what version of C++ you're talking about. Managed C++ (C++/CLI) is the .NET version (extension) of C++ if I understand it correctly and I don't think there shouldn't be anything to gain performance wise. I'd go for the unmanaged C++ if you're trying to do fancy things in image processing and computer vision. That stuff can be a real CPU hog and with unmanaged C++ your the master of your machine.
My 2ct's!

Addition:
For simple image processing tasks I would prefer C# though.
1. I have programmed C# for quite a while now
2. There is lots of stuff in the System.Drawing namespace that lets you go quite a distance
End Addition

Regards,
Manfred

Espen Harlinn · Accepted Answer · 2011-01-05T05:58:00

It's neither better nor worse.

C# comes with a HUGE standard runtime library, and there is an enormous amount of high quality components available.

C/C++ gives you better control and more freedom - including the ability to easily shoot yourself in the foot without intending to. There are many high quality open source image processing and computer vision libraries available. Choosing the right one depends on your needs.

For a customer with the need for a high quality solution I would choose C/C++ for the core functionality. There is nothing that prevents you from using both C# and C/C++ in the same solution, so maybe part of the GUI could be done in c# and .Net.

If I needed something real fast, as in should be done yesterday, I would shop around for a .Net component suite - maybe Leadtools[^]

Regards
Espen Harlinn

Image Processing: Language Camparison

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