[1] Digital Image Warping, George Worberg, IEEE Computer Society Press, 1990
[2] Feature-Based Image Metamorphosis, Thaddens Beirer, Shawn Neely, Computer Graphics, 26.2, July 1992
[3] A Two-Pass Mesh Warping Algorithm for Object Transformation and Image Interpolation, Smythe, Douglas B., ILM Technical Memo #1030, Gomputer Graphics Department, Lucasfilm Ltd., 1990


Many of the pictures and some of the code used in this presentation came directly from the above reference.