input moon.png

convolve green 7 3  .02 .03 .04 .05 .06 .07 .08   .05 .05 .05 .00 .05 .05 .05   .08 .07 .06 .05 .04 .03 .02
convolve red 1 11   .1 .1 .1 .1 .1 .0 .1 .1 .1 .1 .1
convolve blue 3 3   -.1 -.3 -.1   -.3 2.6 -.3   -.1 -.3 -.1

equalize blue
equalize red
equalize green

output hw5convolve.png