Dear all,
I would like to correct images taken with our microscope for uneven background illumination.
We take images of paint cross sections that are evenly illuminated in the center of the images but near the edges the images then tend to get darker, almost black.
This is due to an uneven background illumination of the light source in the microscope.
When i take a image of this background illumination, the middle part is white but this changes to almost black at the edges.
I would like to use this background image as a gradient filter (?) or alpha channel (?) to correct the microscope image of my paint samples.
A similar correction can be achieved with Lens Vignetting in Adobe Bridge, see image PaintafterLensVignetting as attachment.
However, i would like to use the image of the background instead. Each magnification / lens has it own 'distortion'.
How can i use the background image as a 'filter' to adjust my microscope images ?
Am greatfull for any suggestion !
Thanks in advance ...
Best wishes,
Edwin
I would like to correct images taken with our microscope for uneven background illumination.
We take images of paint cross sections that are evenly illuminated in the center of the images but near the edges the images then tend to get darker, almost black.
This is due to an uneven background illumination of the light source in the microscope.
When i take a image of this background illumination, the middle part is white but this changes to almost black at the edges.
I would like to use this background image as a gradient filter (?) or alpha channel (?) to correct the microscope image of my paint samples.
A similar correction can be achieved with Lens Vignetting in Adobe Bridge, see image PaintafterLensVignetting as attachment.
However, i would like to use the image of the background instead. Each magnification / lens has it own 'distortion'.
How can i use the background image as a 'filter' to adjust my microscope images ?
Am greatfull for any suggestion !
Thanks in advance ...
Best wishes,
Edwin
Last edited: