You can use CI Area Average filter instead and then read pixel (0,0)
of the resulting image using Image Pixel patch.
On Nov 28, 2007, at 2:24 PM, Alex Drinkwater wrote:
Just a quick query:
how does one go about using the Area Histogram patch?
I'm unsure how to use the output of the patch
(apparently a 1D image), in any practical way. I'd
like to be able to calculate the average luminosity of
a specific area of the input image, and pass the
result to a JavaScript patch to be added to an array.
Cheers again,
alx
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