JAIDEVA C. GOSWAMI is an engineer at Schlumberger Well Services in Sugar- land, Texas. He has taught several short courses on wavelets and contributed to the Encyclopedia of Electrical and Electronics Engineering. Dr. Goswami received his PhD in electrical engineering from Texas A&M University. ANDREW K. CHAN is on the faculty of Texas A&M University and the coauthor of Wavelets in a Box and Wavelet Toolware. Dr. Chan received his PhD in electrical engineering from the University of Washington.