[Haskell-cafe] bitmap examples

[Eugene Kirpichov]

You just need to use STUArray .

2010/8/25 C K Kashyap <ckkashyap at gmail.com>:
> I am looking for an example of dealing with a 2dim mem region with O1
> access time in pure haskell (pure as in whatever comes with haskell
> platform).
>
>
> On Tue, Aug 24, 2010 at 11:59 PM, Anthony Cowley <acowley at seas.upenn.edu> wrote:
>> On Tue, Aug 24, 2010 at 11:02 AM, Raluca-Elena Podiuc
>> <ralucaelena1985 at gmail.com> wrote:
>>>
>>> Hi,
>>> I am trying to build a mini framework for image processing but I can find
>>> any examples about that (bitmap processing ). Does anybody know were can I
>>> find some tutorials or samples about that ?
>>
>> Noam Lewis's HOpenCV package on hackage
>> <http://hackage.haskell.org/package/HOpenCV> is a great way to get
>> started using OpenCV for image processing.
>>
>> My own fork of this project <http://github.com/acowley/HOpenCV> adds
>> static checking of color and pixel depth, more OpenCV functionality,
>> and interoperation with Data.Vector.Storable. However, it should
>> definitely be classified as experimental as I'm still exploring how I
>> want things to work. I am using it for real-time video processing in
>> an active research project, though, so it is getting regularly
>> exercised. An example program included in the repository is,
>>
>>> import AI.CV.OpenCV.HighCV
>>
>>> main = toFile "closed.png" . erode 8 . dilate 8 =<< fromFileGray "input.png"
>>
>> I've made some effort to provide reasonable haddock documentation, so
>> I recommend building that (cabal haddock) and consulting it to find
>> your way around.
>>
>> As I mentioned, it is all still very rough, but feel free to give it a
>> try if it seems to do what you need. If you're looking to start your
>> own effort from scratch, I think Data.Vector.Storable is nice way to
>> mix Haskell and C.
>>
>> Anthony
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>
>
>
> --
> Regards,
> Kashyap
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-- 
Eugene Kirpichov
Senior Software Engineer,
Grid Dynamics http://www.griddynamics.com/