1. AFNI (Analysis of Functional Neuroimages): This software package is available from .
2. AIR (Automatic Image Registration): This software package is available from .
3. The Fourier Transform and its Applications;Bracewell,1978
4. 3D Volume Rotation Using Shear Transformations;Chen;Graphical Models (formerly Graphical Models and Image Processing, GMIP),2000
5. Two-pass image and volume rotation;Chen;IEEE Workshop on Volume Graphics 2001,2001