Howtosignalprocessing
Wavelet - page 4
Is there an equivalent of Parseval's theorem for wavelets?
Yes indeed! In theory as long as the wavelet is orthogonal, the sum of the squares of all the coefficients should be equal to the energy of the signal...
Why is the high-pass filter result in a discrete wavelet transform (DWT) downsampled?
What is the output of discrete wavelet transform?Why DWT is used in image processing?How does DWT work?What is the disadvantage of wavelet transform?...
What is the correct order of operations for a 2D Haar wavelet decomposition?
How do you do wavelet decomposition?What is decomposition level of wavelet transform?What is 2D wavelet transform?What is Haar wavelet method? How d...
Does it make sense to use a wavelet that is equal to a sine of one period?
What is the disadvantage of wavelet transform?Why wavelets are needed what are the required conditions for a functional to be act as a wavelet?Why is...
Continuous wavelet transform
In mathematics, the continuous wavelet transform (CWT) is a formal (i.e., non-numerical) tool that provides an overcomplete representation of a signal...
Discrete Wavelet Transform (DWT) Filter Bank
What is filter bank in wavelet?Is wavelet transform a filter?What is discrete wavelet transform used for?What are filter banks used for? What is fil...
High frequencies disappear when applying discrete wavelet transform
What is the disadvantage of wavelet transform?How original signals are recovered using discrete wavelet transform?What are the advantages of discrete...
What does it mean for a Wavelet transform to commute with translations?
How does a wavelet transform work?What is the significance of wavelet transformations?What is the significance of wavelet transformations can it be u...
Please help me understand this paper about Discrete Wavelet Transform!
What is the meaning of discrete wavelet transforms?What is DWT in image processing?How do you calculate discrete wavelet transform?What is the output...