Module 7:Data Representation
Lecture 35: Wavelets
Haar wavelets: Theory
Wavelet (
) and scaling (
) functions:
Shifting (i) and scaling ( j ):
Binary dilation (scaling) and dyadic translation (shifting)
Coefficients corresponding to
are averages or sum coefficients
Coefficients corresponding to
are differences or detail coefficients
) and scaling (
) functions:
are averages or sum coefficients
are differences or detail coefficients