Image Input
A few examples of what you can ask Wolfram|Alpha about:
Image Filtering
apply a filter to an image
WestminsterAbbey.png
gradient filter
WestminsterAbbey.png
Teapot.pxr
apply range filter
Teapot.pxr
MansBestFriend.jpg
sharpen image
MansBestFriend.jpg
FlamingoDance.png
highlight red objects
FlamingoDance.png
apply a filter with a variable parameter
Gate.tif
apply gradient filter with radius r
Gate.tif
Feature Detection
detect features of an image
ClockTicks.png
detect edges
ClockTicks.png
CowSkull.pnm
sobel edge detection
CowSkull.pnm
recognize text in an image
OriginOfSpecies.png
read text
OriginOfSpecies.png
Color Processing
perform color processing on an image
ZebraHead.gif
colorize image
ZebraHead.gif
TileFloor.jpg
increase contrast by 0.5
TileFloor.jpg
GreenLizard.png
color negate
GreenLizard.png
CowSkull.pnm
set image gamma to 0.5
CowSkull.pnm
Snail.png
show color permutation
Snail.png
Bullfight.pgm
create sepia image
Bullfight.pgm
ColorPlates.png
simulate red-green color blindness
ColorPlates.png
Image Effects
apply an effect to an image
TwoLions.png
oilpainting effect
TwoLions.png
Dragonfly.bmp
charcoal effect
Dragonfly.bmp
Mathematica.ico
comics effect
Mathematica.ico