[Haskell-cafe] [ANN] New OpenCV Bindings

Arjun Comar nrujac at gmail.com
Sat Sep 28 16:03:40 CEST 2013

No, these are unrelated. Cv-combinators hasn't really worked since OpenCV
2.0 waa released I believe.
On Sep 28, 2013 8:54 AM, "Ivan Perez" <ivanperezdominguez at gmail.com> wrote:

> Cool. Thanks a lot for uploading this.
> I have a question (and I confess that I haven't checked the link). How is
> this related to or overlaps with cv-combinators?
> Cheers
> Ivan
> On 28 September 2013 06:18, Arjun Comar <nrujac at gmail.com> wrote:
>> After receiving feedback, I went ahead and split out the raw C wrappers
>> and Haskell bindings. You can find them at
>> www.github.com/arjuncomar/opencv-raw. I'll upload it to hackage as
>> opencv-raw once I have uploader privileges.
>> Regards,
>> Arjun
>> On Fri, Sep 27, 2013 at 4:09 PM, Arjun Comar <nrujac at gmail.com> wrote:
>>> Hi all,
>>> I've been hard at work on a new set of OpenCV bindings that will
>>> hopefully solve a lot of the shortcomings with previous attempts. An
>>> automatic header parser has been used to generate a full set of Haskell
>>> bindings for the C++ API, and I'm now working to create a pleasant Haskell
>>> API. The plan is to expose major functionality through pipes for two
>>> reasons: 1) OpenCV is not very referentially transparent, and so you're
>>> stuck in IO for anything non-trivial. Lazy IO is potentially problematic,
>>> and so immediate incorporation of a proper streaming library is probably
>>> best. 2) Computer vision algorithms are frequently expressed in terms of
>>> pipelines of functionality, and a pipes approach can provide a very natural
>>> API for expressing these algorithms.
>>> At this stage, I could very much use input from anyone who's interested
>>> in these bindings. I've got the basics of a library forming, but there's a
>>> ton to do and help in the form of pull requests are very very welcome. I
>>> could also use feedback on what's been done so far (especially criticisms)
>>> as well as feature requests.
>>> The current plan is to develop the pipes API for the core functionality.
>>> The plan is to provide the major functionality from core, highgui, imgproc,
>>> features2d, contrib, ml, flann, video, and objdetect as quickly as I can
>>> before trying to cover any of the more specialized parts of the API. The
>>> functions and types from these modules (baring a few major and important
>>> exceptions) are automatically translated into C wrappers and raw Haskell
>>> bindings.
>>> If there's sufficient interest in these raw bindings separately from the
>>> API I'm developing, I'll release them as a separate package on Hackage. I'm
>>> calling my project revelation for the moment because I'm bad at naming
>>> things and it was the best pun I could come up with.
>>> Github: www.github.com/arjuncomar/revelation
>>> Regards,
>>> Arjun
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