<div dir="ltr">The people working on HOpenCV are very open to incorporating other's programmer's patches. Maybe you can incorporate your changes to cv-combinators? (Project's been halted since 2010, I'm sure they'll be very happy to see that sb is contributing).<br>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On 28 September 2013 19:13, Arjun Comar <span dir="ltr"><<a href="mailto:nrujac@gmail.com" target="_blank">nrujac@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Fair enough, it's been two or three years since I tried to play with them. Most of my work is in the raw bindings currently, which provide the C++ API in Haskell, so much lower level that cv-combinators. If HOpenCV were to incorporate parts of these bindings then cv-combinators would be able to benefit from this work. That said, my effort going forward is to provide something equivalent to cv-combinators in expressiveness. I'm definitely taking inspiration from the library though I'm not basing my work on their source code.<br>
</div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Sep 28, 2013 at 12:51 PM, Ivan Perez <span dir="ltr"><<a href="mailto:ivanperezdominguez@gmail.com" target="_blank">ivanperezdominguez@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>I think they do work. cv-combinators depends on HOpenCV, which depends on OpenCV 2.0.<br><br></div>
</div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On 28 September 2013 16:03, Arjun Comar <span dir="ltr"><<a href="mailto:nrujac@gmail.com" target="_blank">nrujac@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">No, these are unrelated. Cv-combinators hasn't really worked since OpenCV 2.0 waa released I believe. </p>
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<div class="gmail_quote">On Sep 28, 2013 8:54 AM, "Ivan Perez" <<a href="mailto:ivanperezdominguez@gmail.com" target="_blank">ivanperezdominguez@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div><div>Cool. Thanks a lot for uploading this.<br><br></div>I have a question (and I confess that I haven't checked the link). How is this related to or overlaps with cv-combinators?<br><br></div>Cheers<br>
Ivan<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On 28 September 2013 06:18, Arjun Comar <span dir="ltr"><<a href="mailto:nrujac@gmail.com" target="_blank">nrujac@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">After receiving feedback, I went ahead and split out the raw C wrappers and Haskell bindings. You can find them at <a href="http://www.github.com/arjuncomar/opencv-raw" target="_blank">www.github.com/arjuncomar/opencv-raw</a>. I'll upload it to hackage as opencv-raw once I have uploader privileges.<br>
<br>Regards,<br>Arjun<br></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Sep 27, 2013 at 4:09 PM, Arjun Comar <span dir="ltr"><<a href="mailto:nrujac@gmail.com" target="_blank">nrujac@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi all,<br>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.<br>
<br>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.<br>
<br>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.<br>
<br>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.<br>
<br>Github: <a href="http://www.github.com/arjuncomar/revelation" target="_blank">www.github.com/arjuncomar/revelation</a><br><br>Regards,<br>Arjun<br></div>
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