STEGANOGRAPHY
PROJECT REPORT
Submitted by
ANJU.P ALIAS RESHMI JOSY SARITHA.K.C VIDYA RADHAKRISHNAN
1.1 INTRODUCTION
Steganography is the art and science of writing hidden messages in such a way that no one apart from the intended recipient knows of the existence of the message; this is in contrast to cryptography, where the existence of the message itself is not disguised, but the content is obscured. The advantage of steganography over cryptography alone is that messages do not attract attention to themselves, to mess ....etc

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ABSTRACT
Data compression is the technique of converting an input data stream or the original data into another data stream which is shorter in length. There are many known methods for data compression. They are based on different ideas and are suitable for different types of data. But they all have the same principle that they compress data by removing the redundancy in the original data. Otherwise data compression can be looked up on as a change in representation from inefficient to efficient form.

INTROD ....etc

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ABSTRACT
This report present a novel idea to capture and represent compressible signals for transmission and storage at a rate below the Nyquist rate. This method is known as compressive sampling/sensing employs non adaptive linear projections that preserve the structure of the signal. The signal is reconstruced from these projections using optimization techniques.




TABLE OF CONTENTS
1 Introduction 1
2 Data Compression 3
2.1 Types of Data Compression . . . . . . . . . . . . . . . . . . . . . . 5
2.1.1 Loss ....etc

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A
Paper Presentation
On
DIGITAL IMAGE PROCESSING

Abstract:
Over the past dozen years forensic and medical applications of technology first developed to record and transmit pictures from outer space have changed the way we see things here on earth, including Old English manuscripts. With their talents combined, an electronic camera designed for use with documents and a digital computer can now frequently enhance the legibility of formerly obscure or even invisible texts. The computer first converts the analogue ....etc

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ppt for LOSSY COMPRESSION AND ITERATIVE RECONSTRUCTION
FOR ENCRYPTED IMAGE
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HI SIE INEED 2ND EDITION DATA COMPRESSION FREE DOWNLODE FOR PDF FILE ....etc

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ABSTRACT
The biggest obstacle to the multimedia revolution is digital obesity. This is the blot that occurs when pictures, sound and video are converted from their natural analog form into computer language for manipulation or transmission. In the present explosion of high quality data, the need to compress it with less distortion of data is the need of the hour. Compression lowers the cost of storage and transmission by packing data into a smaller space.
One of the hottest areas of advanced form of compress ....etc

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Towards Real-Time Compression of Hyperspectral Images Using Virtex-II FPGAs
Antonio Plaza
Department of Computer Science, University of Extremadura
Avda. de la Universidad s/n, E-10071 Caceres, Spain


Abstract.
Hyperspectral imagery is a new type of high-dimensional image data which is now used in many Earth-based and planetary exploration applications. Many efforts have been devoted to designing and developing compression algorithms for hyperspectral imagery. Unfortunately, most availa ....etc

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ABSTRACT
We propose a new method for strengthening the security of information through a combination of signal processing, cryptography and steganography. Cryptography provides the security by concealing the contents and steganography provides security by concealing existence of information being communicated. Signal processing adds additional security by compressing and transforming the information. The proposed method, viz. Steganography Based Information Protection Method (SBIPM), consists of scanning, coding, encry ....etc

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In this paper, we aim to present a general introduction to steganography or data-hiding as it is sometimes just known. We then turn to data-hiding in images. When examining these data-hiding techniques, we bear in mind Benderâ„¢s specifications, such as degradation of the cover data must be kept to a minimum, and the hidden data must be made as immune as possible to possible attack from manipulation of the cover data.

Steganography in images has truly come of age with the invention of fast, powerful computers. Software is readily availab ....etc

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ABSTRACT
Steganography comes from the Greek and literally means, Covered writing. It is one of various data hiding techniques, which aims at transmitting a message on a channel where some other kind of information is already being transmitted. This distinguishes steganography from covert channel techniques, which instead of trying to transmit data between two entities that were unconnected before.
The goal of steganography is to hide messages inside ....etc

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