[PDF] Top 20 Visual-Based error diffusion for printers

... Visual-Based error diffusion for printers Zhenping Bu Follow this and additional works at: http://scholarworks.rit.edu/theses This Thesis is brought to you for free and open access by ... See full document

... Zhou et al. [7] used half toning methods to produce good quality halftone shares in VC. In halftone visual cryptography a secret binary pixel is encoded into an array of Q1 x Q2 sub pixels, is called as halftone ... See full document

... Different error filters are used to diffuse the error without affecting the secret ...quantization error to more neighboring pixels produce more visually enhanced halftone shares, and ... See full document

... of visual information pixel (VIP) synchronization and error diffusion with which high visual quality of images can be ...and error diffusion generates shares pleasant to human ... See full document

... Keywords: Error Diffusion, Half toning, Raster scan, PSNR, WSNR, LDM, ...In visual cryptography a secret image can be decrypted in simple way by ...halftoning.An error diffusion method ... See full document

... the visual quality of concealed image, other important issues include computational complexity, band- width usage, and complexity associated with overall system ...classification-based error con- ... See full document

... posteriori error estimator, for nonconforming finite element approxi- mation of convection-diffusion ...posteriori error estimator is based on the local problems on ... See full document

... the Visual Cryptography. Visual cryptography is a cryptographic technique which allows optical information to be ...as error diffusion method is used for the better generation of halftoned ... See full document

... method [31] as implemented in MATLAB, and the value for V was found to be 193. This updated grayscale value is accommodated by modifying the input image grayscale distribution by multiplying by the differ- ence ... See full document

... Based on the feedback from the visual analytics experts and after the evaluation, some future works are identified at the end of the thesis work. For the fault-code tree, there could be an option, which ... See full document

... b WMG, University of Warwick, Coventry, CV4 7AL, UK c School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON K1N 6N5, Canada Abstract Molecular Communications is a promising area with ... See full document

... features based on string match with Wikipedia article titles, which in some cases appears to outweigh features designed to encourage clustering of mentions if there exists a substring match be- tween them, hence ... See full document

... of error would be that you write a program to read records from a database table, and prior to the program running, somehow your user manages to delete the ...program, based on a customer's request, that ... See full document

... standard visual po- sitioning method described in section ...cumulative error. Due to there is no any suppression design for cumulative error, the standard method of visual positioning become ... See full document

... recombined. Visual cryptography is a technique used for protecting image- based ...of visual cryptography. For exemplifying. Visual cryptography, we consider the two out-of-two visual ... See full document

... FUTURE PERSPECTIVES Recent studies have shown that tractography algorithms such as the probabilistic ball and stick model or CSD may be suitable choices for tractography of Meyer’s loop as they produce the best matches ... See full document

... {kelly16, fpitie, anil.kokaram, fboland}@tcd.ie Abstract. This paper examines the accuracy of audio-video based local- ization using multiple cameras and multi-microphones. Covariance map- ping theory is used to ... See full document

... ABSTRACT Visual measurement technology is widely used in the field of non-contact ...vertical error between the optical axis of the camera and the plane of the ...corresponding error angle can be ... See full document

... Streamline Diffusion Method, Hyperbolic Problems, Wave Equations, Finite Element, A Posteriori Error Estimate ...equation based on rigorous a posteriori error estimates is a largely subject, ... See full document

... posteriori error estimator for the finite element dis- cretization of the stationary reaction-convection-diffusion equation is ...Functional error estimators as derived here contain no mesh-dependent ... See full document