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Re: Image correction for human perception? [message #50447 is a reply to message #50428]

Mon, 02 October 2006 08:15

edward.s.meinel@aero. is currently offline

edward.s.meinel@aero.
Messages: 52
Registered: February 2005

Member

maye wrote:
> Hi!
> We have an interesting discussion going on here about the need of
> correcting intensities of remote sensing data in red, green and blue
> filters for the perception of the human eye to create a 'TRUE' color
> image.
> ...
> What makes us doubt is the amount of publications one can find
> mentioning a "correction for human eye perception" and we fear, that
> they cannot ALL be wrong! :)

Sure, they can all be wrong (it wouldn't be the first time...). I
really hope that those were not scientific journals, because the phrase
"correction for human eye perception" is meaningless without specifying
the "correction." My guess is that the dynamic range of the image is
too great to display properly in the publication so they tweak the
image to make it more visually pleasing.

As for displaying a TRUE true-color image, that can only happen if the
spectral response of the detector AND display match that of the eye.
Normally, you won't even get the display to match the spectral response
of the detector, which can lead to some rather odd visual effects.

Ed

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[Message index]

		Re: Image correction for human perception? By: b_gom on Mon, 02 October 2006 10:57
		Re: Image correction for human perception? By: edward.s.meinel@aero. on Mon, 02 October 2006 08:15
		Re: Image correction for human perception? By: George N. White III on Sun, 01 October 2006 05:03

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