Improvements in geometry-based secret image sharing approach with steganography.
Ulutas, Mustafa, Nabiyev, Vasif V., Ulutas, Guzin (2009)
Mathematical Problems in Engineering
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Displaying similar documents to “Meaningful share generation for increased number of secrets in visual secret-sharing scheme.”
Improvements in geometry-based secret image sharing approach with steganography.
Color-texture-based image retrieval system using Gaussian Markov random field model.
Tsai, Meng-Hsiun, Chan, Yung-Kuan, Wang, Jiun-Shiang, Guo, Shu-Wei, Wu, Jiunn-Lin (2009)
Mathematical Problems in Engineering
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Escher's combinatorial patterns.
Schattscheider, Doris (1997)
The Electronic Journal of Combinatorics [electronic only]
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A method and tools for digital document and image reconstruction
Maja Jovanović, Aleksandar Perović, Nenad Andonovski, Aleksandar Jovanović (2007)
Review of the National Center for Digitization
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Analysing symmetric, mat weaving designs made by Makwe women in the Northeast of Mozambique: The example of the chicken's eye pattern
Paulus Gerdes (2013)
Visual Mathematics
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Cryptanalysis and improvement of a block cipher based on multiple chaotic systems.
He, Jun, Qian, Haifeng, Zhou, Yuan, Li, Zhibin (2010)
Mathematical Problems in Engineering
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KHM clustering technique as a segmentation method for endoscopic colour images
Mariusz Frąckiewicz, Henryk Palus (2011)
International Journal of Applied Mathematics and Computer Science
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In this paper, the idea of applying the k-harmonic means (KHM) technique in biomedical colour image segmentation is presented. The k-means (KM) technique establishes a background for the comparison of clustering techniques. Two original initialization methods for both clustering techniques and two evaluation functions are described. The proposed method of colour image segmentation is completed by a postprocessing procedure. Experimental tests realized on real endoscopic colour images...
Plaintext Recovery in DES-like Cryptosystems Based on S-boxes with Embedded Parity Check
Angelova, Vesela, Borissov, Yuri (2013)
Serdica Journal of Computing
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We describe an approach for recovering the plaintext in block ciphers having a design structure similar to the Data Encryption Standard but with improperly constructed S-boxes. The experiments with a backtracking search algorithm performing this kind of attack against modified DES/Triple-DES in ECB mode show that the unknown plaintext can be recovered with a small amount of uncertainty and this algorithm is highly efficient both in time and memory costs for plaintext sources with relatively...
Lossless image compression based on multiple-tables arithmetic coding.
Chen, Rung-Ching, Pai, Pei-Yan, Chan, Yung-Kuan, Chang, Chin-Chen (2009)
Mathematical Problems in Engineering
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Building an Advanced Invariant Real-Time Human Tracking System
Fayez Idris, Mazen Abu-Zaher, Rashad J. Rasras, Ibrahiem M. M. El Emary (2007)
Computer Science and Information Systems
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Fusion based analysis of ophthalmologic image data
Jiří Jan, Radim Kolář, Libor Kubečka, Jan Odstrčilík, Jiří Gazárek (2011)
Kybernetika
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The paper presents an overview of image analysis activities of the Brno DAR group in the medical application area of retinal imaging. Particularly, illumination correction and SNR enhancement by registered averaging as preprocessing steps are briefly described; further mono- and multimodal registration methods developed for specific types of ophthalmological images, and methods for segmentation of optical disc, retinal vessel tree and autofluorescence areas are presented. Finally, the...