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A New Chaotic Algorithm for Image Encryption


Posted by: seminar class
Created at: Saturday 09th of April 2011 03:55:18 AM
Last Edited Or Replied at :Saturday 09th of April 2011 03:55:18 AM
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ion algorithm includes two steps. Firstly, the image fusion is completed between the original-image and the key-image. Then the pixel values of the fusion-image are encrypted by Henon chaotic system.
Image fusion:
Graphics fusion technique can be used in image fusion. According to the image pixel, image fusion can be completed between the same size images. Image fusion is described as following:
E(i,j)=w*(K(i,j)-O(i,j))+O(i,j)
0<=w<=1
Where w is parameter, K(i, j) is the pixel values of the key-image ,O(i, j) is the pixe..................[:=> Show Contents <=:]



VISUAL CRYPTOGRAPHIC STEGANOGRAPHY IN IMAGES


Posted by: seminar class
Created at: Tuesday 05th of April 2011 02:18:33 AM
Last Edited Or Replied at :Monday 11th of February 2013 12:12:44 AM
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genta
 Zero intensity- Black and Full intensity- White
LSB insertion technique
 LSB insertion technique- A common technique in image steganography
 Grid of 3 pixels of a 24-bit image
(00101101 00011100 11011100)
(10100110 11000100 00001100)
(11010010 10101101 01100011)
 LSB is changed
 A number 200-binary equivalent 11001000
needs to be embedded
(00101101 00011101 11011100)
(10100110 11000101 00001100)
(11010010 10101100 01100011)
 Cryptography and steganography combined systems can be created
THE VISUAL CRYPTOGRAPHIC STEGANOGRAPHY SYSTEM
 A..................[:=> Show Contents <=:]



image scrambling


Posted by: seminar class
Created at: Saturday 02nd of April 2011 06:04:35 AM
Last Edited Or Replied at :Saturday 02nd of April 2011 06:04:35 AM
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transformation , knight-tour transformation , standard map, tent map etc. Among these maps, Cat map and baker map attract much attention. Cat map is a two-dimensional chaotic map introduced by Arnold and Avez. Baker map is another two-dimensional chaotic map based on which Pichler and Scharinger first introduced their encryption schemes. In , a symmetric image encryption scheme based on 3-D chaotic Cat map was proposed. The 2-D chaotic Cat map was generalized to 3-D for designing a real-time secure symmetric encryption scheme, which employed 3-D Cat map to shuffle the positions of i..................[:=> Show Contents <=:]



A Survey of Encryption Algorithms


Posted by: project topics
Created at: Tuesday 18th of January 2011 01:22:47 AM
Last Edited Or Replied at :Tuesday 18th of January 2011 01:22:47 AM
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management follows this. A separate section is devoted to key management, because even if an algorithm is considered tightly secure it becomes weak if the key used with the algorithm is improperly managed. The third chapter is devoted to the Data Encryption Standard(DES), because it is considered one of the strongest algorithms currently available to the public, and marks the beginning of widespread interest in cryptography. Finally, conclusions are made about which type of algorithms are strong and what implementations they are best suited for. A reiteration on the management of keys is incl..................[:=> Show Contents <=:]



Compact and EFficient encryption and decryption


Posted by: project report helper
Created at: Tuesday 19th of October 2010 11:51:46 PM
Last Edited Or Replied at :Tuesday 19th of October 2010 11:51:46 PM
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have investigated
low area encryption/decryption structures.
However, in practice, only a few applications need
throughput up to 20 Gbps while exible and low cost
encryption/decryption solutions are needed to protect
sensible data, especially for embedded hardware applications.
This paper proposes an efcient solution
to combine Rijndael encryption and decryption in one
FPGA design, with a strong focus on low area constraints.
The proposed design ts into the smallest Xilinx
FPGAs3, deals with data streams of 208 Mbps,
uses 163 slices and 3 RAM blocks and improves by
68% the best..................[:=> Show Contents <=:]



ORTHOGONAL DATA EMBEDDING FOR BINARY IMAGES IN MORPHOLOGICAL TRANSFORM DOMAIN- A HIGH


Posted by: naradasu74
Created at: Tuesday 02nd of March 2010 12:17:57 AM
Last Edited Or Replied at :Monday 13th of December 2010 02:51:57 AM
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Pls send me the base paper and some ppts on this paper
If possible some code snippets..................[:=> Show Contents <=:]



digital image processing projects


Posted by: computer science technology
Created at: Wednesday 27th of January 2010 12:36:28 PM
Last Edited Or Replied at :Thursday 09th of February 2012 11:10:55 PM
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mplementation of color optimization.
c) Image blur reduction using adaptive tonal correction
d) Image enhancement using histogram techniques
e) Implementation of visual cryptography using DH method.
f) Image segmentation and texture extraction for Number Recognition system.
g) Implementation of reverse watermarking system
h) Image denoising using DWT
i) Image denoising using ROF method.
j) Implementation of IMAGE steganography using LSB
k) JPEG compression using DCT.
l) Multi resolution watermark based on wavelet transforms for digital images.
m) Morphological operations using matl..................[:=> Show Contents <=:]



image encryption and digital water marking


Posted by: frozenwars
Created at: Friday 30th of October 2009 02:33:54 AM
Last Edited Or Replied at :Friday 30th of October 2009 04:15:00 AM
marking , innovative project ideas computer, innovative project proposal , innovative project fund ubc, innovative project about math , innovative project management to succeed in the dynamic biopharmaceutical environment, innovative project information technology , innovative project engineering student, innovative project underway refurbish trident jetty , innovative project education, innovative project of computer science , innovative project teacher, water , digital, encryption , image, whats is image encryption , projects on digital watermarking of images, what is image encryption , project on digitalwater marking, image encryption watermarking , image encryption, water encryption , water encreptin, image marking project , digital water markink,
hi g..................[:=> Show Contents <=:]



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