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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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ge with the size 256×256 is shown below. The key image is chosen as w 0.8 .Image fusion is first step of image encryption. The parameters are selected as a 0.3 ,b 1.4.
The secret keys to change the pixel values of the original fusion-image are x0=0.1,x1=0.2. Since the chaotic systems are deterministic, the receiver can reconstruct the same fusion-image exactly using the secret keys.
The antiprocess of image fusion is described as:
O(i,j)=1/w*(E(i,j)-K(i,j))+K(i,j)
0<=w<=1
Where w is parameter, O(i, j) is the pixel values of t..................[:=> 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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er
 In the first few lines of image properties, the attributes of the image will be encrypted and saved
 The edited image will be transmitted to the receiver
Decryption Algorithm
 The message can be decoded using the receiver’s private key.
 The receiver’s private key is used to identify the reference grid from the reference database.
 The x and y components can define the block that has been used to encrypt the message.
 RGB value-point to the data in the block
 The cipher is retrieved by obtaining the difference in the pixel value
 This cipher ..................[:=> 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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-image. The scheme is computationally secure and superior to contemporary block encryption systems for image and video data encryption. For advancing the quality of encryption effectively, the method of position scrambling can be used before encryption. Some classical scrambling algorithms are Cat map , baker map , affine transformation , magic-square 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 a..................[:=> 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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y. A chapter devoted to key 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..................[:=> 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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plementation reaches higher throughput
than the corresponding AES implementation...................[:=> 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 ppt..................[:=> 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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gion growing method
p) Frame separation and restoration of video signal
q) Image compression using DWT
r) Implementation of image slicing using MATLAB...................[:=> 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
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hi guys ,
i wanted to do a project in im..................[:=> Show Contents <=:]



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