A good place to learn about image processing in c/c++? [closed] - c++

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any websites, books etc. If someone would like to share their own experiences.
thank you

This is a free book which runs through some recurring tasks in computer vision and image processing.
Regarding the C++, you can take a look at OpenCV which is a computer vision library written in c/c++

I've had a lot of success with open-cv. I've done an effect similar to Adobe's "Magic Wand" tool.
http://opencv.willowgarage.com/wiki/
http://en.wikipedia.org/wiki/OpenCV
If you are interested in writing your own library you will need a pretty serious math background. The algorithms involved can be pretty intense.

There's a good list of simple image processing operators here, but really the best is to take courses in DSP and image processing.

Did some C image processing when I was in school.
I read this ebook. It was helpful.
http://homepages.inf.ed.ac.uk/rbf/BOOKS/PHILLIPS/cips2ed.pdf

Magick++ is a good API for image processing in C++, and has a tutorial(PDF).

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3D modeling using camera [closed]

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I'm looking for a sample code.
It's 3D modeling using camera.
like this: http://mi.eng.cam.ac.uk/~qp202/my_papers/BMVC09/
Hopefully, I want to use c or c++.
Thanks.
openCv is probably the easiest place to start.
There are a few chapters about creatign scenes from stereo pairs (which is a bit easier) in the opencv book otherwise 3d models from image understanding is still possible - but a lot harder mathematically.
You may want to check out OpenCV for computer vision functionality and OpenGL for 3D graphics. Both are widely used APIs with plenty of online documentation and examples, both official and third-party.
You could try contacting the author of the paper to see if he's willing to release his source code to you. It looks like he used CGAL (for the Delauny Tetrahedralisation) so if you go that route, you'll need to get a copy of that.

Library for software mixing of sound (wave) streams [closed]

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I would like to mix several sound (wave) streams into one.
Each stream might have a different format (bits/sample, channel count, etc.), so conversion is needed also.
I am looking for a library to do this, which I can link into my VS C++ project, before jumping in and implementing my own.
If you just want a library you can use the SOX library. It is pretty good and easy to use.
If you want more control over how the mixing is done, and maybe have more than 2 files to mix, you should take a look at the STK library
It is very simple yet quite powerful. The following is an example of how you can use a single line of code to mix two waves (simple superpositioning of the signals)
output.tick( input1.tick()*0.5+ input2.tick()*0.5 );
Hope this helps.
FMOD is quite good.

FRAPS alternative: Where to look and what for? [closed]

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later this year I'm going to have a lot of time on my hands, and I thought I'd start a "small" project for myself and release it as open source.
I'd like to code my own Fraps alternative. (or continue with Taksi http://taksi.sourceforge.net ).
Fraps is a video & sound recording programm, which captures the screen during gameplay. It has way more functions than I need and its commercial.
All I want is being able to record the screen / game I'm currently playing continuously including sound no other extras.
Now this is a new area for me, but not the programming languages. I thought I'll be using C++ (& others if needed).
What I need are hints where to look, and what to look for, where to read stuff rearding it. Etc. etc.
I hope y'all can help me!
Here is some good info on the techniques used by FRAPS.
http://www.woodmann.com/forum/archive/index.php/t-11023.htm
My company published a source code in C++ for hooking into DirectX to capture video and calculate FPS (audio is not included). It is available on github as AVRecorderTool.

simple c++, opengl game engine for linux? [closed]

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I was wondering if anyone knew of a simple opengl game engine for linux where the source is available to read.
I basically want to read the source to get a better idea of how things are put together without worrying about the code being cross platform or having fancy particle effects or anything.
You may be interested in Irrlicht
Have a look at DevMaster, a website with a lot of information about game programming and a 3D Engines Database.
You might want to check Ogre
SDL supports OpenGL, is open source, and you can port your game to Windows if you want. I've used it to write a Tetris program. It supports C and C++.
A simple engine for beginners, written in C++, contains samples to start with and sample game project to study:
D'Enfent Engine

What are some good DirectX resources for a beginner? [closed]

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I'm learning DirectX as part of a hobby project. I've been looking for some good online resources for DirectX9 (using C++, if that distinction matters), but haven't found anything that's a) great for a beginner and b) up to date.
Any recommendations?
When I started using DirectX I found this to be the best resource around for basic stuff:
http://www.directxtutorial.com/
When you start reaching an intermediate level they want you to pay a subscription but all the good basic stuff is free. Tutorials are clear and literally step-by-step.
This is website is not bad at all either: http://www.toymaker.info/ - with some good project downloads.
If you have problems the best place to go in my experience is http://www.gamedev.net/ , they have great articles and forums with plenty of so-called gurus.
Toymaker
Triple Buffer
DirectX4VB
32Bits
Introduction to 3D Game Programming with DirectX 9: Not an online resource, but that book was very helpful to me.
There's also the DirecX SDK documentation, which should be your definitive resource.
Gamedev.net is probably a good place to look
CodeProject.com