ocr: V/P a a aa ad da dd aaa aad ada add daa dad dda ddd aaaa aaad aada aadd adaa adad adda addd daaa daad dada dadd ddaa ddad ddda dddd Figure 3: The wavelet packet trarsform viewed as a complete binary grapb. Each "a" and "d" in each sequence represents tbe filtering operations performed t0 vield the particular subspace oftbe original signal. The bold lines represent the disjoint couer known as the "wavelet basis. -