[PD] mean color value of a video grid

Mathieu Bouchard matju at artengine.ca
Fri Aug 25 07:41:12 CEST 2006


On Thu, 24 Aug 2006, vincent rioux wrote:

> pix_video (to read a stream from a webcam e.g.)
> 8 pix_crop (to divide the image)
> pix_snap to take a snapshot as a picture.
> pix_mean_color to compute the mean value.

if for example you want to reduce 240x320 camera input to 2x4 output,

[metro 40]
  |
[#camera]
  |
[#downscale_by (120 80) smoothly]
  |
that's all.

but i might not understand what you want to do: what do you really need 
pix_snap for?

> Moreover would it be possible to compute these values on a more complex shape 
> than a rectangle?

This can mean several different things, so you should say what you mean 
here, in detail.

> but i wonder if it won't be easier or more straightforward to code with 
> gridflow or pdp?

gridflow's camera support works only in Linux.

  _ _ __ ___ _____ ________ _____________ _____________________ ...
| Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju
| Freelance Digital Arts Engineer, Montréal QC Canada


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