Examples by Topic

Image Input

Image Analysis

analyze an image file

QuinSconce.png

Ladybug.jpg

Image Filtering

apply a filter to an image

WestminsterAbbey.png
gradient filter

Teapot.pxr
apply range filter

MansBestFriend.jpg
sharpen image

FlamingoDance.png
highlight red objects

apply a filter with a variable parameter

Gate.tif
apply gradient filter with radius r

Feature Detection

detect features of an image

ClockTicks.png
detect edges

CowSkull.pnm
sobel edge detection

recognize text in an image

Wolfram.png
read white text

Color Processing

perform color processing on an image

ZebraHead.gif
colorize image

TileFloor.jpg
increase contrast by 0.5

GreenLizard.png
color negate

CowSkull.pnm
set image gamma to 0.5

Snail.png
show color permutation

Bullfight.pgm
create sepia image

ColorPlates.png
simulate red-green color blindness

Image Effects

apply an effect to an image

TwoLions.png
oilpainting effect

Dragonfly.bmp
charcoal effect

Mathematica.ico
comics effect