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Reversible data-embedding scheme using differences between original and predicted pixel values
B.Tech Seminar report
by
Sandeep A S
Department of Computer Science And Engineering
Government Engineering College, Thrissur
December 2010

report:


Contents
1 Introduction 1
1.1 Organization Of the Report . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Edge Directed Prediction 2
3 Embedding phase 4
3.1 Implementation . . . . . . . . . . . . . . . . . . . . . ....etc

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can you please send ppt representation and report of the topic mentioned above ....etc

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Abstract


Aim of the project is to implement the Security features that can avoid Data Dictionary attacks in both the server and transmission part. The first part is to control the data dictionary attacks that occur in direct internal way to the server. Graphical based password authentication is implemented where Pixel co-ordinates are fixed as the password. CCP (cued click points) in added for more security. The user can click the pixel points and login to the server. The user is permitted to click the pixel ....etc

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Introduction:-

As more and more information is relayed over and stored on the internet, it becomes increasingly important to scrutinize and determine the identity of those who access that information. In the modern world, the importance of information security has attained an all time high. Authentication refers to the act of verifying the identity of an entity or an object. In the world of Information security, it refers to a method of reliably identifying a person / entity as authorized to access certain information. ....etc

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Abstract
A good online dictionary can be fast, efficient, and more current than print editions. Better still, consulting an online dictionary may be more convenient than unearthing the cumbersome desk dictionary from a growing mound of journals and manuscripts. Whether print or online, dictionaries are helpful only if they include the words that users are seeking. Unfortunately, many dictionaries available on the Web are not so good. After selecting 15 uncommon”but not quite obscure”words from various fields of ....etc

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Intelligent Dictionary Based Encoding Algorithm for Text Data Compression for High-Speed Data Transmission over Internet (Java)
Proceedings on Data Compression,

Abstract:
Compression algorithms reduce the redundancy in data representation to decrease the storage required for that data. Data compression offers an attractive approach to reducing communication costs by using available bandwidth effectively. Over the last decade there has been an unprecedented explosion in the amount of digital data transmitted via the Internet, repres ....etc

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ABSTRACT
For languages without word boundary delimiters, dictionaries are
needed for segmenting running texts. This figure makes
segmentation accuracy depend significantly on the quality of the
dictionary used for analysis. If the dictionary is not sufficiently
good, it will lead to a great number of unknown or unrecognized
words. These unrecognized words certainly reduce segmentation
accuracy. To solve such problem, we propose a method based on
decision tree models. Without use of a dictionary, specific
information, called syn ....etc

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Abstract
Information hiding for covert communication is rapidlygaining momentum. With sophisticated techniques beingdeveloped in steganography, steganalysis needs to beuniversal. In this paper we propose Universal Steganalysisusing Histogram, Discrete Fourier Transform and SVM(SHDFT). The stego image has irregular statisticalcharacteristics as compare to cover image. Using Histogramand DFT, the statistical features are generated to train One-Class SVM to discriminate the cover and stego image.SHDFT algorithm is found to be efficient an ....etc

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