The following paper explains many of the reasons that engineers lost interest in fractal image compression: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumbe

The following paper explains many of the reasons that engineers lost interest in fractal image compression: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=660992&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel4%2F83%2F14365%2F00660992 http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=660992... Unfortunately I can't find a free PDF at the moment.