How to change all black pixels to gray pixel?

Mahdi Ghafourrian

• 2021年05月26日 02:50

Hello All, 

I have several images (RGB images, IIQ format) (actually aerial photos), and I would like to find all black pixels (0,0,0) and change it to (1,1,1) for all images, then save them as tiff file. format.

Regards,

Mahdi

 

0

• 

  Ian Wilson

  Moderator

  • 2021年05月26日 07:18

  

  How about using the Levels tool? Set the Output level to 1 instead of 0 at the top left of the Levels tool, like this, then copy the to all the other images in question.

  

  Ian

  0

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