This application allows you to see the hidden images in autostereograms (https://en.wikipedia.org/wiki/Autostereogram) without using standard viewing techniques.
Sample Image:
(Source: Fred Hsu, March 2005. Available in: https://commons.wikimedia.org/wiki/File:Stereogram_Tut_Animated_Shark_Small.gif)
Application output:
Usage:
Use the image filename as command line parameter. e.g.:
java -jar ImageStereogramViewer.jar Stereogram_Tut_Animated_Shark.gif
Use the Left and Right Keyboard keys to adjust the image offset until you can see the hidden image. (In the shark image you can see it in different ways from offsets 120 until 140).