matteo:
try this:
http://hangar.org/wikis/lab/doku.php?id=start:puredata_opencv
palmieri
2008/1/21 IOhannes m zmoelnig [EMAIL PROTECTED]:
Derek Holzer wrote:
Hi IOhannes,
IOhannes m zmoelnig wrote:
the problem is, that some pix-sources (platform dependent!) supply the
images with (0/0)
See the attached patch, Sara Kolster and I use it in our workshops.
Original by Ben Bogart, posted to the list when we had similar questions
a few years ago.
best,
d.
matteo sisti sette wrote:
I have to perform some very very simple computer-vision tasks (such as
motion detection) on image
Hi Matteo,
I don't have a camera to plug in and double check, but I never noticed
this inverted problem before. You can always re-invert the numbers if
you need to ;-)
Anyways, inverted or not, the patch does what it's supposed to, I hope!
best,
d.
matteo sisti sette wrote:
Thanks a lot,
Thanks a lot, very interesting!!
Just a quetion/problem.
I'm trying your attached patch, and it works, but the Y position of
the cursor seems to be systematically inverted!
I mean, if the actual blob (as I can see it in the preview window)
is on the top, the circle is drawn on the bottom of the
I don't have a camera to plug in and double check, but I never noticed
this inverted problem before. You can always re-invert the numbers if
you need to ;-)
Yes of course it is stright-forward to correct the inversion.
But I was wondering if there may be some weird platform-dependence in
the
matteo sisti sette wrote:
I don't have a camera to plug in and double check, but I never noticed
this inverted problem before. You can always re-invert the numbers if
you need to ;-)
Yes of course it is stright-forward to correct the inversion.
But I was wondering if there may be some weird
Hi IOhannes,
IOhannes m zmoelnig wrote:
the problem is, that some pix-sources (platform dependent!) supply the
images with (0/0) in the upper-left corner, whereas others (0/0) is the
lower-left corner (like openGL expects it).
Would be good to know which platforms do it right, and which
On Jan 21, 2008 9:20 AM, Derek Holzer [EMAIL PROTECTED] wrote:
Hi IOhannes,
IOhannes m zmoelnig wrote:
the problem is, that some pix-sources (platform dependent!) supply the
images with (0/0) in the upper-left corner, whereas others (0/0) is the
lower-left corner (like openGL expects
On Jan 21, 2008 9:07 AM, IOhannes m zmoelnig [EMAIL PROTECTED] wrote:
finally, i am wondering how much the penalty would be to manually flip
the images when retrieving them (this would involve one additional copy
of the entire image, each time it is pulled from the source) - this will
just
chris clepper wrote:
On Jan 21, 2008 9:07 AM, IOhannes m zmoelnig [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
finally, i am wondering how much the penalty would be to manually flip
the images when retrieving them (this would involve one additional copy
of the entire
Derek Holzer wrote:
Hi IOhannes,
IOhannes m zmoelnig wrote:
the problem is, that some pix-sources (platform dependent!) supply the
images with (0/0) in the upper-left corner, whereas others (0/0) is
the lower-left corner (like openGL expects it).
Would be good to know which platforms
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