The registration algorithm described is a robust and flexible tool that can be used to address a
variety of image registration problems. Registration strategies can be tailored to meet different
needs by optimizing tradeoffs between speed and accuracy. The main emphasis is given to the
color combination of some brain tissues. The spaces in the folds of the brain (the sulci) can
be easily detected by their color combination. Color intensity of that area will be measured;
based on that measurement results, hypothesis will be generated. Cavity in cerebral
cortex region stained in PET image is shown in figure 4.
4. MODEL