# Continuous morlet wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for continuous morlet wavelet transform. For documentation please refer to: http://arxiv.org/abs/0706.0099

# Haar wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for haar wavelet transform. This program gives the out put of the Haar 2D transform.

# Biorthogonal wavelet transformation in matlab

The following Matlab project contains the source code and Matlab examples used for biorthogonal wavelet transformation. A biorthogonal wavelet is a wavelet where the associated wavelet transform is invertible but not necessarily orthogonal.

# Wavelet transform for image coding in matlab

The following Matlab project contains the source code and Matlab examples used for wavelet transform for image coding. Wavelet transform related functions specifically designed to be used as a tool for image/video compression.

# Daub 4 wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for daub 4 wavelet transform. the function takes in an input signal "f" and compute its first trend and first fluctuation. then plot the results along with the original signal for comparison.

# Coif 24 wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for coif 24 wavelet transform. this function takes in input signal "f" and computes its coif 24 wavelet transform. it then plots the results for comparison

# Daub 8 wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for daub 8 wavelet transform. the function computes daub 8 wavelet transform on the signal "f" without using inbuilt functions and then plots the results for comparison

# Coif 12 wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for coif 12 wavelet transform. computes coif 12 wavelet transform of input signal "f" withtout any inbuilt functon and plots the results for comparison

# Coif 18 wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for coif 18 wavelet transform. computes coif 18 wavelet transform of the input signal "f" and plots the results for comparison

# Daub 6 wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for daub 6 wavelet transform. this function conputes the daub 6 wavelet transform and then plots the results for comparison

# Berkeley wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for berkeley wavelet transform. The Berkeley Wavelet Transform (BWT) comprises four pairs of mother wavelets at four orientations.

# Haar wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for haar wavelet transform. the function will perform haar wavelet transform to give first trend and first fluctuation. it will then plot the input and results for comparison.

# Numerical differentiation based on wavelet transforms in matlab

The following Matlab project contains the source code and Matlab examples used for numerical differentiation based on wavelet transforms. Numerical differentiation is important in various applications.

# Harmonic wavelet for wavelet transform in matlab

The following Matlab project contains the source code and Matlab examples used for harmonic wavelet for wavelet transform. [out1,out3]=harmonic(LB,UB,N) computes the Harmonic Wavelet with the lower Bound as 'LB' Upper Bound as 'UB' and N being the number of points in the wavelet.

# Feature extraction using multisignal wavelet transform decomposition in matlab

The following Matlab project contains the source code and Matlab examples used for feature extraction using multisignal wavelet transform decomposition. I am simply extracting three types of features from the wavelet transform coefficients, these include: energy, variance and waveform length.

# Fast convolution in matlab

The following Matlab project contains the source code and Matlab examples used for fast convolution. This function convolves two very large vectors very quickly.

# Circular convolution using dft idft in matlab

The following Matlab project contains the source code and Matlab examples used for circular convolution using dft idft. Circular convolution using DFT-IDFT 1st sequence(*) 2nd sequence = IDFT(DFT of 1st sequence * DFT of second sequence)

# Fast 2 d convolution in matlab

The following Matlab project contains the source code and Matlab examples used for fast 2 d convolution . CONVOLVE2 can be used wherever CONV2 is used, taking the same arguments and returning the same results to within a small tolerance.

# 2 d convolution using the fft in matlab

The following Matlab project contains the source code and Matlab examples used for 2 d convolution using the fft. This function can be used instead of CONV2 (with the same arguments).

# 3d convolution in the fft domain in matlab

The following Matlab project contains the source code and Matlab examples used for 3d convolution in the fft domain. %% convolution3D_FFTdomain - Performs a fast 3D convolution between a volume and a kernel using mutliplication in the Fourrier space.

# Fft based convolution in matlab

The following Matlab project contains the source code and Matlab examples used for fft based convolution. As opposed to Matlab CONV, CONV2, and CONVN implemented as straight forward sliding sums, CONVNFFT uses Fourier transform (FT) convolution theorem, i.