Hello Yeah opencv made their python bindings work a bit less well with 2.3.1 A workaround is to use cv.fromarray(img_mat) instead of img_mat wherever it complains in video.py. It is strange since automatic conversion was one of the cool features of the binding system...but I'll investigate a bit further. Regards Pieter On Thu, Dec 22, 2011 at 10:51 AM, robbert <superslimme@netscape.net> wrote:

On 17-12-11 23:55, Stéfan van der Walt wrote:

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Hi Robbert

On Sat, Dec 17, 2011 at 7:50 AM, robbert<superslimme@netscape.net>  wrote:

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I've wrote a little test program to a extract a frame of a video file (for processing), but I can't get it work.

Thanks for the report.  This works using GStreamer, so tomorrow I'll compile OpenCV and determine what the problem is.

Thanks Stéfan & Christoph for your responses. If this problem is solved, I've probably all the necessary toolboxes to leave matlab behind!

In the meanwhile I tried to install the alternative back-end, GStreamer, but without success. The python demo's (of GStreamer) wont work, so there is no point in posting the error that scikits-image generates.

kind regards,

Robbert