How to Reduce Red Eyes on Photos Using GIMP
Edited by Brett Teno, Ben Rubenstein, Jen, Tom Viren and 9 others
Had enough of all those red eyes in your Digital Photo Collection? No problems, in a few simple steps, you can take control of the red eyes, or make them less evident.
Edit Steps
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1If not done already, download and install "the Gimp 2.x". (If running Microsoft Windows, the usual installer will also install the GTK+ runtime environment, but if you're compiling it from source you'll have to take care of that yourself.)Ad
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2Open your red eye-affected photo in the Gimp.
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3Switch to the "Layers, Channels, Paths, Undo" Window. If this window isn't already open, or you have closed it accidentally, to get it back: (from the photo window)Dialogs>Create New Dock>Layers, Channels, Paths.
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4Click the Channel's tab (Red, green, blue blocks) and De-select the green and blue options (click name so background goes from grey to white, eye should remain).
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5Switch to Main Gimp Window and select the Burn/Dodge tool. Select Burn and highlights options. Exposure should be set to something between 25-50.
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6Select a small brush size, best suited size depends on the size of the eye. Generally, the best sized tool is 5x5 to 9x9. (Although, smaller and sometimes larger sizes can be appropriate, but larger sizes reduce quality and realism, and smaller sizes tend to be tedious).
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7Zoom in. Zoom level depend on size of image, and size of the eye, the best level is where the eye takes up most of the window, around 70-90%.
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8Carefully 'dot' around the redness of the eye to slowly reduce prominence of the redness.
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9Occasionally zoom out to 100% to check that the reduction looks realistic and does not look out of place. undo and redo any areas that you feel necessary.
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10Sit back and enjoy your work!Ad