For our second lab, we practiced manipulating pictures. The results shown below were quite interesting.

For this picture I tried to make it appear as if a sunset was taking place while I was playing.This was done by reducing the blue and green to emphasize the red.

Here is the original picture.

For this picture I used a function that makes a negative of the picture. The result was pretty cool.

Here is the original picture.

In this picture I used a modified grayscale funtion that takes into account how the human eye percieves luminance. This weighted the colors to account for the luminance.

Here is the original picture.