Error diffusion
A Novel Secured Transmission Of Color Extended Visual Images Using Error Diffusion
... Abstract: Cryptography is the science of writing in secret code and is an ancient art. Cryptography not only protects data from theft or alteration, but can also be used for user authentication.visual cryptography is a ...
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Comparative Study Of Error Diffusion Algorithms With Raster Scan
... called error diffusion ...halftoning. Error diffusion algorithm has attracted much attention in the graphics ...of error diffusion halftoning techniques that are used in visual ...
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An error diffusion based method to generate functionally graded cellular structures
... the error diffusion filter does not inherently allow local orientation control for two reasons: firstly, the filter is passed row by row across the part and does not follow its geometric profile, and secondly, ...
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Video Watermarking by Content Aware Double Sided Embedding Error Diffusion
... dot diffusion is implemented with the omnidirectional error diffusion as oppose to the typical error diffusion methods which diffuse the errors to specific ...dot diffusion ...
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Comparison of various Error Diffusion Algorithms Used in Visual Cryptography with Raster scan
... as error diffusion method is used for the better generation of halftoned ...shares. Error diffusion algorithms have attracted much attention in the image ...three error diffusion ...
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VISUAL CRYPTOGRAPHY FOR COLOR IMAGES USING ERROR DIFFUSION
... Error diffusion is used in our scheme as it is simple and ...quantization error at each pixel is filtered and fed back to future ...via error diffusion is that the message information ...
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Performance of Error Filters on Shares in Halftone Visual Cryptography via Error Diffusion
... In Traditional VC schemes the shares are random in nature. In the halftoning framework of VC, a secret binary image is encrypted into high quality halftone images, or halftone shares such that the shares have some visual ...
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Comparison of Various Error Diffusion Algorithms Used in Visual Cryptography with Raster Scan and Serpentine Scan
... BASED ERROR DIFFUSION ALGORITHMS WITH RASTER SCAN AND SERPENTINE SCAN There are 3 error diffusion algorithms to perform halftoning on color ...
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Visual-Based error diffusion for printers
... 2-18 Images Halftoned with Different Clustered-dot Screens 2-19 Partial Magnification of Lena in Figure 2-6 150dpi 2-20 Partial Magnification of Hats in Figure 2-3 and 2-21 Effects of Do[r] ...
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Color Image Indexing by Exploiting the Simplicity of the EDBTC Method
... The motivation of this paper is to increase the speed of retrieval results of Content Based Information Retrieval (CBIR) systems by employing error diffusion block truncation coding (EDBTC) of database ...
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A Competent and Speedy Symmetric Key Production with improved Latency Using Matrix Array Symmetric Key Encryption
... 2.4 Debasish Jena, Sanjay Kumar Jena “A Novel Visual Cryptography Scheme” [4] in this title author describe Visual Cryptography is a new cryptographic technique which allows visual information (pictures, text, etc.) to ...
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Digital halftoning using fibonacci-like sequence pertubation and using vision-models in different color spaces
... 1 Error diffusion and and dithering with different 17 18 algorithm halftoning results of a gray-ramp by error Steinberg error filter and Jarvis, Judice and Ninke 3.3.3 Floyd ordered the [r] ...
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Likelihood based inference for correlated diffusions
... the diffusion matrix, in a way so that its positive definite struc- ture is ...whose error may become arbitrarily small by simply increasing the level of ...
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A mathematical description of the IDSA for supernova neutrino transport, its discretization and a comparison with a finite volume scheme for Boltzmann’s equation
... R´ esum´ e. Dans cet article, nous donnons une introduction ` a l’´ equation de Boltzmann pour le trans- port des neutrinos dans les mod` eles de supernovae ` a effondrement de cœur ainsi qu’une description d´ etaill´ ee ...
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Diffusion-reaction Problem and its Solution through Method of Weighted Residual Hiral Desai 1, H. D. Doctor2
... a Diffusion-reaction ...solving diffusion–reaction problem is applied and a tabular and graphical comparison of error obtains from solution is discussed in ...
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Optimal error bound and modified kernel method for a space fractional backward diffusion problem
... optimal error bound for the problem under a source condition and have solved it by a regularization method for overcoming its ill-posedness based on the idea of modified ...
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A posteriori error estimates for finite volume and mixed finite element discretizations of convection–diffusion–reaction equations
... posteriori error estimates are nowadays well established for discretizations of the pure diffusion form of ...posteriori error estimates have been extended to convection–diffusion problems as ...
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An Efficient Error Tolerant Adder Using Gate Diffusion Technique with Low power-high Speed
... outer diffusion node of the PMOS transistor), N node (the outer diffusion node of the NMOS transistor), and D node (the common diffusion of both ...
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A priori error analysis of stabilized mixed finite element method for reaction-diffusion optimal control problems
... regularities. Fourth, the Ladyzhenkaya-Babuska-Brezzi (LBB) or the inf-sup condition for the mixed element spaces is unnecessary. Based on the novel method, we derive both continuous and discrete optimality systems for ...
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Fully computable error estimation of a nonlinear, positivity-preserving discretization of the convection-diffusion-reaction equation
... The purpose of this work is to bridge the gap mentioned at the end of the last paragraph. In addition, the a posteriori bound presented in this work is fully com- putable. We limit the analysis to the case of piecewise ...
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