Francis Chin Andrew Choi Yuhua Luo Optimal Generating Kernels for Image Pyramids by Piecewise Fitting. 1190-1198 1992 14 IEEE Trans. Pattern Anal. Mach. Intell. 12 http://computer.org/tpami/tp1992/i1190abs.htm db/journals/pami/pami14.html#ChinCL92