Tag Archives: rgb

Another Infrared comparison

I made another Infrared vs. RGB comparison but this time with different wavelength Infrared-cut filters.

I took this pictures on 14th Nov. 2015 at the Alte Donau subway station in Vienna/Austria.

You can click the knob (< >) and move the slider. By clicking the buttons you can load different wavelength images and their description texts to compare.
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EV calculated usind this Calculator

 

Pop-art picture processing

A fun way to pep up black and white pictures is to modify the colors of the picture. For instance, take this iconic picture of Che Guevara. is is based on a black and white picture. I replaced white with red to to achieve the look of the well know version of this image.

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Famous version of the original picture taken by Alberto Korda

Replacing white with red is not the only option. Using the brightness a white or a black image for the RGB channels allows in total 64 variants to combine into a colored picture.

Continue reading Pop-art picture processing