MATLAB Answers

what is the scaling function on wavelet in the matlab?

mohammad ahmadzade 님이 질문을 제출함. 12 Jun 2017
최근 활동 Wayne King 님이 답변함. 19 Jun 2017
1

  댓글 수: 0

로그인 to comment.

답변 수: 1

Wayne King 님의 답변 19 Jun 2017

Hi Mohammad, I'm not sure this question is complete since you just wrote "1" in the body. The scaling function provides the low frequency (DC components) or very long scale representation of the signal (or image). Recall that a wavelet by definition has zero mean which means the Fourier transform at \omega = 0 (or whatever Fourier variable you like to use) is equal to zero. If you want to recover a DC shift in a signal or image, then you need the scaling function.

  댓글 수: 0

로그인 to comment.



Translated by