26-07-2012, 04:16 PM
Software Requirement Specification
Software Requirement Specification of tbpc.docx (Size: 13.31 KB / Downloads: 29)
.NET is a "Software Platform". It is a language-neutral environment for developing rich .NET experiences and building applications that can easily and securely operate within it. When developed applications are deployed, those applications will target .NET and will execute wherever .NET is implemented instead of targeting a particular Hardware/OS combination. The components that make up the .NET platform are collectively called the .NET Framework. The .NET Framework is designed for cross-language compatibility. Cross-language compatibility means, an application written in Visual Basic .NET may reference a DLL file written in C# (C-Sharp). A Visual Basic .NET class might be derived from a C# class or vice versa.
The .NET Framework is designed for cross-language compatibility. Cross-language compatibility means, an application written in Visual Basic .NET may reference a DLL file written in C# (C-Sharp). A Visual Basic .NET class might be derived from a C# class or vice versa.
Hardware Requirements:
SYSTEM : Pentium IV 2.4 GHz
HARD DISK : 40 GB
FLOPPY DRIVE : 1.44 MB
MONITOR : 15 VGA colour
MOUSE : Logitech.
RAM : 256 MB
KEYBOARD : 110 keys enhanced.
Software Requirements:
Application Type : Windows application
Front-End : Microsoft Visual Studio 2005
Coding Language : C#.NET-2005
Existing System:
The Steganography of image file can be compared with original file as file weightage and color variations.
The purpose of Cryptography is covert communication-to hide the existence of a message from a third party, but it’s too Complex to embedded & Extract.
LSBs of the elements pointed by the determined locations are used for embedding and extraction.
Before embedding and extraction, a location finding method determines a sequence of locations that point to elements in the cover object.
A commonly used strategy for steganography is to embed the message by slightly distorting the cover object into the target stego Object.
Reducing distortion is a crucial issue for steganographic methods.
Proposed System:
Embedding efficiency is defined to be the number of hidden message bits per embedding modification.
Higher embedding efficiency implies better undetectability for steganographic methods.
The lower embedding efficiency is defined to be the ratio of the number of hidden message bits to the maximum embedding modifications.
TBPC method and produces a stego object with least distortion under the tree based parity check model.
The Lower Embedding efficiency of our method is better than that of our previous works when the hidden message length is relatively large
TBPC method constructs a complete N-ary tree, called the master tree.
Two Critical Issues:
a. Reducing distortion on cover objects
b. Better efficiency for embedding and extraction.
These two critical issues are resolved by TBPC.