measure the illumination

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Andre Asfar
Andre Asfar il 21 Ago 2011
is there a way to measure the illumination of pixels seeing the pixel information?
http://i53.tinypic.com/9r698o.png this image information is from a gray scale picture
units as LUMEN or LUX?
Thanks in advance

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David Young
David Young il 21 Ago 2011
No, the camera would need to be calibrated if you want absolute values of the illumination. Even relative values depend on the camera's response curve.

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