hi,
i need matlab code for contourlet transform for shape extraction. if any one knows suggest me.. thanks in advance. ....etc

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Abstract

Contourlets form a multiresolution directional tight frame designed to efficiently approximate images made of smooth regions separated by smooth boundaries. The Contourlet transform has a fast implementation based on a Laplacian Pyramid decomposition followed by directional filterbanks applied on each bandpass subband. ....etc

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wavelet based contourlet transform and its application to image coding ppt

In this paper, we first propose a new family of geometrical image transforms that decompose images both radially and angularly. Our construction comprises two stages of filter banks that are non-redundant and perfect reconstruction and therefore lead to an overall non-redundant and perfect reconstruction transform. Using the wavelet transform as the first stage, we apply directional filter banks to the wavelet coefficients in such a way to maintain the anisotropy scali ....etc

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Image Steganography Technique Based on Wavelet Transform
In the technique of steganography, information is concealed in unremarkable cover media so as not to arouse an eavesdropper s suspicion. It is widely used in the field of information security. The strengths and counter measures are
driven by weaknesses and vulnerabilities. There are easy to use communication channels for steganography. In this article, a modified high-capacity image steganography technique that depends on wavelet transform is described which has acceptable leve ....etc

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To get full information or details of matlab code for image denoising using contourlet transform please have a look on the pages

http://seminarsprojects.net/Thread-image-denoising-by-sparse-3-d-transform-domain-collaborative-filtering

if you again feel trouble on matlab code for image denoising using contourlet transform please reply in that page and ask specific fields in matlab code for image denoising using contourlet transform ....etc

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Introduction


Steganography is the art and science of writing secret data in such a way that no one, except the sender and intended recipient, knows of the existence of the data. The information-hiding process in a steganographic system starts by identifying a cover medium s redundant bits those that can be modified without destroying that medium s integrity. The embedding process creates a stego medium by replacing these redundant bits with data from the hidden message. The cover medium can be text, image, audio, video, and multim ....etc

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To get full information or details of contourlet transform please have a look on the pages

http://seminarsprojects.net/Thread-steganography-in-matlab-using-contourlet-transform?pid=79750&mode=threaded

http://seminarsprojects.net/Thread-steganography-in-matlab-using-contourlet-transform

if you again feel trouble on contourlet transform please reply in that page and ask specific fields in contourlet transform ....etc

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False color (or false colour) refers to a group of color rendering methods used to display images in color which were recorded in the visible or non-visible parts of the electromagnetic spectrum. A false-color image is an image that depicts an object in colors that differ from those a photograph (a true-color image) would show.In addition, variants of false color such as pseudocolor (see discussion), density slicing (see discussion), and choropleths (see discussion) are used for information visualization of either data gathered by a single gr ....etc

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Presented by:THULASI RAM P
COLOUR FUNDAMENTALS AND COLOUR MODELING

INTRODUCTION
Color is a powerful descriptor that simplifies object identification and extraction from a scene.
Characterization of light is central to the science of color.
Achromatic light is what viewers see on a black and white TV.
Gray-level is a scalar measure of intensity that ranges from black, to grays, and finally to white.
NEED FOR COLOUR:
>> Information e ....etc

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i need guidance for my final year project.my project is based on satellite image resolution enhancement using discrete wavelet transform
I need guidance for my final year project.my project is based on satellite image resolution enhancement using discrete wavelet transform

I need guidance for my final year project.my project is based on satellite image resolution enhancement using discrete wavelet transform ....etc

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