Hello Sir/Mam,

I am lokking for coding for authentication schemes for session passwords using color and images ....etc

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please send the documentation and source code ....etc

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Authentication Schemes for Session Passwords using Color and Images



ABSTRACT

Textual passwords are the most common method used for authentication. But textual passwords are vulnerable to eves dropping, dictionary attacks, social engineering and shoulder surfing. Graphical passwords are introduced as alternative techniques to textual passwords. Most of the graphical schemes are vulnerable to shoulder surfing. To address this problem, text can be combined with images or colors to generate session passwords ....etc

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Towards Optimal Color Image Coding using Demosaicing
Abstract—We introduce an optimal approach to color image compression using demosaicing. Accordingly, we propose an efficient algorithm for color image coding. In the encoder, a
mosaic of the primary colors is encoded instead of the full color image. This mosaic is considered as four different color channels that are compressed using subband transform coders. In the decoder, a demosaicing algorithm is applied to the decompressed channels to reconstruct the ....etc

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Presented By
V. RAJITHA P.KAUMUDI


ABSTRACT:
In this paper, we propose a simple and efficient technique for embedded color image coding. The proposed algorithm exploits inter- and intra-sub band correlations of the wavelet transformed luminance (Y) and chrominance (U and V) planes as well a ....etc

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i am last year student of computer sci. engg.
actually i stucked while doing code part.
so i want help from you.
please send me on [email protected] as early as possible.
pooja
abcdefghijklmnopqrstuvwxyz123456789
pooja
abcdefghijklmnopqrstuvwxyz123456789
pooja
abcdefghijklmnopqrstuvwxyz123456789
pooja
abcdefghijklmnopqrstuvwxyz123456789
....etc

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Hi am GEETHU would like to get details on hierarchical prediction and context adaptive coding for lossless color image compression ppt downlmad ..My friend Aathira said hierarchical prediction and context adaptive coding for lossless color image compression ppt downlmad will be available here .... Please help me... ....etc

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Color Image Indexing Using Binay Truncation Coding
IEEE Transactions on Image Processing, Vol. 12, No. 1, January 2003
Language: Java, VB.NET
Project modules:
• Image File I/O
• Image Block Features Extraction
• Block Co-occurrence Analysis
• Image Classification
• Results and Analysis
Abstract:
This paper presents a new application of a well studied image coding technique, namely block truncation coding (BTC). It is shown that BTC can not only be used for compressing color images, it can also be conven ....etc

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This paper presents a zero tree coding method for color images that uses no lists during encoding and decoding,permitting the omission of the lists requirement in Said and Pearlman's Set Partitioning In Hierarchical Trees (SPIHT) algorithm . Without the lists, the memory requirement in a VLSI implementation is reduced significantly. This coding algorithm is also developed to reduce the circuit complexity of an implementation. Our experimental results show only a minor reduction of PSNR values when compared with the PSNR values obtained by th ....etc

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Authentication Schemes for Session Passwords using Color and Images




INTRODUCTION

The most common method used for authentication is textual password. The vulnerabilities of
this method like eves dropping, dictionary attack, social engineering and shoulder surfing are
well known. Random and lengthy passwords can make the system secure. But the main
problem is the difficulty of remembering those passwords. Studies have shown that users tend
to pick short ....etc

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