An ad hoc Java applet implementation of Content Aware Image Resizing as described in:
Avidan, Shai and Shamir, Ariel. Seam Carving for Content-Aware Image Resizing.
ACM Transactions on Graphics, Volume 26, Number 3, SIGGRAPH 2007 author's video demonstration
Note: Large images will result in a heap allocation error -- try images smaller than ~512x512 px, or increase your Java memory heap space.