Divide grey levels by constant

PA
Posted By
pixel_a_ted
Mar 12, 2010
Views
433
Replies
2
Status
Closed
Is there a way to divide all the grey levels in an image by a constant (not necessarily integer) value? I’m using CS2.

Thanks.

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MR
Mike Russell
Mar 12, 2010
On Fri, 12 Mar 2010 08:25:38 -0800 (PST), pixel_a_ted wrote:

Is there a way to divide all the grey levels in an image by a constant (not necessarily integer) value? I’m using CS2.

Thanks.

put the image over a black background, and adjust the transparency. You may want to convert to gamma 1.0 during the divide operation.

The gimp is free, and supports an actual layer divide mode. —
Mike Russell – http://www.curvemeister.com
PA
pixel_a_ted
Mar 12, 2010
On Mar 12, 11:44 am, Mike Russell
wrote:
put the image over a black background, and adjust the transparency.  You may want to convert to gamma 1.0 during the divide operation.

Great suggestion that should do exactly what I need.

The gimp is free, and supports an actual layer divide mode.

I have gimp and will check that out also.

Thanks.

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