# Wavelet decomposition benchmark in matlab

The following Matlab project contains the source code and Matlab examples used for wavelet decomposition benchmark.
This demo works on only the Approximate region of the Wavelet Transform

The following Matlab project contains the source code and Matlab examples used for toolbox wavelets on meshes.
Toolbox Wavelets on Meshes - wavelet transform on 3D meshes
This toolbox allows to compute the wavelet transform of a function defined on semi-regular triangulation.

The following Matlab project contains the source code and Matlab examples used for color image compression decompression by using hybrid wavelet transform and cosine transform.
This Technique is very useful for the Programmer/Researcher/Users for color images compression type RGB. This Technique is using three level DWT and one-dimensional DCT.

The following Matlab project contains the source code and Matlab examples used for tree structured wavelet transform of the input matrix, up to the given level of decomposition. .
Included are the files wav1.

The following Matlab project contains the source code and Matlab examples used for toolbox alpert transform.
The Alpert transform is a multiwavelets transform based on orthogonal polynomials.

The following Matlab project contains the source code and Matlab examples used for compression of rgb images using wavelet transforms.
RGB images can only be compressed.

The following Matlab project contains the source code and Matlab examples used for walsh and wavelet transform for color gray image compression.
this type of the compression depends on the two level DWT and then apply 2D walsh transformation on each 8x8 block. the final transformed image coded by arithmetic coding.

The following Matlab project contains the source code and Matlab examples used for distortionless data hiding based on integer wavelet transform.
The code implements the following paper:
Guorong Xuan, Jiang Zhu, Jidong Chen, Shi Y.

The following Matlab project contains the source code and Matlab examples used for 1d & 2d discrete wavelet transform.
This is a matlab implementation of 1D and 2D Discrete wavelet transform which is at the heart of JPEG2000 image compression standard

The following Matlab project contains the source code and Matlab examples used for image compression using sofm using wavelet.
The main objective of this project is to implement the concept of wavelet based compression to gray scale images using SOFM.

The following Matlab project contains the source code and Matlab examples used for toolbox wavelets.
toolbox_wavelets - wavelets related functions.

The following Matlab project contains the source code and Matlab examples used for wavelet based image compression implementation using sofm.
Wavelet Transform is a superior approach to other time frequency analysis tools because its time scale width of the window can be stretched to match the original signal especially in image analysis.

The following Matlab project contains the source code and Matlab examples used for discret wavelet transform got daub2.
y=d2wavelet(x,Fs,level) does the 2nd order Daubechies Wavelet Transform of signal x with a sampling frequency 'Fs' and the DWT is decomposition is done upto a 'level'
It returns the matrix of all decompositions and the final approximations.

The following Matlab project contains the source code and Matlab examples used for discrete cosine transform vs discrete wavelet transform.
This paper deals with the JPEG Encoder for image compression upon comparing the
performance of DWT compression with DCT compression.

The following Matlab project contains the source code and Matlab examples used for image compression using wavelet transform.
to use this codes u have to first convert RGB image to grayscale and also its colormap.....

The following Matlab project contains the source code and Matlab examples used for haar wavelet transformation matrix implementation.
Create Haar wavelet transformation matrix H for the matrix vector
multiplication implimentation of Haar wavelet transformation.

The following Matlab project contains the source code and Matlab examples used for 2 d lifting wavelet transform.
WAVELIFT: Multi-level discrete two-dimension wavelet transform based on lifting method.

The following Matlab project contains the source code and Matlab examples used for daub 12 wavelet transform without using inbuilt functions.
the function computes daub 12 wavelet transform without using inbuilt functions of input signal "f" and then plots the result for comparison

The following Matlab project contains the source code and Matlab examples used for coif6 wavelet transform without inbuilt function.
this function takes in a signal "f" and computes its coif 6 wavelet transform without any help of inbuilt function

The following Matlab project contains the source code and Matlab examples used for daub 18 wavelet transform without inbuilt functions.
the sunction computes daub 18 wavelet transform without inbuilt functions of input signal "f" and plots the results for comparison

The following Matlab project contains the source code and Matlab examples used for daub 16 wavelet transform without inbuilt function.
the function computes daub 16 wavelet transform without inbuilt function of signal "f" and then plot the results for comparison

The following Matlab project contains the source code and Matlab examples used for daub 14 wavelet transform without inbuilt function.
the function computesdaub 14 wavelet transform without inbuilt function of input "f" and then plots the result for comparison

The following Matlab project contains the source code and Matlab examples used for daub 10 wavelet transform without inbuilt functions.
the function computes daub 10 wavelet transform without inbuilt functions of signal "f" and then plot the results for comparison

The following Matlab project contains the source code and Matlab examples used for simple watermarking using wavelet transform.
Performs watermarking of the input image by decomposing the image using haar wavlet. Noise generated with normal distribution is used as the key and is added to the input image to obtain the watermarked image.

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.

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.

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.

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.

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

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