Báo cáo hóa học: " Research Article An Adaptively Accelerated Lucy-Richardson Method for Image Deblurring" pptx
Báo cáo hóa học: " Research Article An Adaptively Accelerated Bayesian Deblurring Method with Entropy Prior" docx
... on Advances in Signal ProcessingVolume 2008, Article ID 674038, 13 pagesdoi:10.1155/2008/674038 Research Article An Adaptively Accelerated Bayesian Deblurring Method with Entropy PriorManoj ... the proposed accelerated method analytically andverified it experimentally. For interpreting the noise ampli-fication of the proposed method, we have also performed an analytical analysis, which ... Cameraman image, (b) Lenna image, and (c) Anuska image. (a) (b)(c) (d)Figure 8: Spectra of images from Figure 5. All spectra are rangecompressedwithlog10(1 + |·|2), (a) original image in...
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Báo cáo hóa học: " Research Article An Adaptively Accelerated Lucy-Richardson Method for Image Deblurring" pptx
... pagesdoi:10.1155/2008/365021 Research Article An Adaptively Accelerated Lucy-Richardson Method for Image DeblurringManoj Kumar Singh,1Uma Shanker Tiwary,2and Young-Hoon Kim11Sensor System ... present an adaptively accelerated Lucy-Richardson (AALR) method for the restoration of an image from its blurred and noisyversion. The conventional Lucy-Richardson (LR) method is nonlinear and therefore ... comparisonto that of LR method, for both experiments. It is clear thatthe performance of the proposed AALR method is consis-tently better than the LR method. In Figures 5(a),and5(b),it can be seen that...
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Báo cáo hóa học: "Research Article An Adaptive Multipath Mitigation Filter for GNSS Applications" pptx
... utilized.4. PERFORMANCE ANALYSIS ANDSIMULATION RESULTSIn this section, computer simulations are conducted to assessthe performance of the proposed method. To make an easycomparison in performance with ... structure and performance charac-teristics,” Journal of the Institute of Navigation, vol. 25, no. 2,pp. 121–146, 1978.[3] A. J. van Dierendonck, P. J. Fenton, and T. J. Ford, “Theory andperformance ... versus carrier performance, apriori information needed as an input, short-delay perfor-mance and hardware/software complexity. With regard to thenoise mitigation performance, when SNR= −10...
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báo cáo hóa học:" Research Article An Iterative Surface Evolution Algorithm for Multiview Stereo" pdf
... 2001.[30]H.K.Zhao,S.Osher,B.Merriman,andM.Kang,“Implicitand nonparametric shape reconstruction from unorganizeddata using a variational level set method, ” Computer Vision and Image Under standing , vol. 80, ... Journal on Image and Video ProcessingVolume 2010, Article ID 274269, 10 pagesdoi:10.1155/2010/274269 Research Article An Iterative Surface Evolution Algorithm for Multiview StereoYongjian Xi and ... certain range of thegiven point, and for each sampled position, we will projectit into the image planes of the main camera and anothercamera in the set, respectively. Rectangular image patchescentered...
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Báo cáo hóa học: "Research Article An Estimation-Range Extended Autocorrelation-Based Frequency Estimator" pptx
... pagesdoi:10.1155/2009/961938 Research Article An Estimation-Range Extended Autocorrelation-BasedFrequency EstimatorCui Yang, Gang Wei, and Fang-jiong ChenSchool of Electronic and Information Engineering, ... [5] and Luise and Reggian-nini [6] are the weighted average of (3). For those estimators,if a small τ is used, a great performance gap can be observedwhen they are compared to the CRLB. An ... range of [−π, π). The theoretical performance bound is also deduced. Performance analysis andsimulations demonstrate that the proposed estimator approaches the CRLB.Copyright © 2009 Cui Yang...
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Báo cáo hóa học: " Research Article An 802.11k Compliant Framework for Cooperative Handoff in Wireless Networks" docx
... H. Wu, K. Tan, Y. Zhang, and Q. Zhang, “Proactive scan:fast handoff with smart triggers for 802.11 wi reless LAN,”inProceedings of the Annual Joint Conference of the IEEEComputer and Communications ... firstinterface for data communication and the second for channelscanning and control information sharing. This approachwould gain in performance since we would avoid controlchannel switching ... Communications and NetworkingVolume 2009, Article ID 350643, 14 pagesdoi:10.1155/2009/350643 Research Article An 802.11k Compliant Framework for Cooperative Handoff in Wireless NetworksGeorge Athanasiou,1Thanasis...
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Báo cáo hóa học: " Research Article An Efficient Watermarking Technique for the Protection of Fingerprint Image" doc
... ratiois varied between 1.5 bpp and 0.5 bpp for images from DB1and DB2, and between 1 bpp and 2 bpp for images fromDB3. It is worth mentioning that for all images and the twodomains, the WSQ ... 2006.[8] J. R. Hernandez, M. Amado, and F. Perez-Gonzalez, “DCT-domain watermarking techniques for still images: detectorper-formance analysis and a new structure,” IEEE Transactions on Image Processing, ... on the well-known transform domains: discrete cosine transform (DCT)and discrete wavelet transform (DWT). The statistical properties of the coefficients from the two transforms are modeled by...
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Báo cáo hóa học: " Research Article An Energy-Efficient Framework for Multirate Query in Wireless Sensor Networks" pptx
... queries in each networkinstance for 100 times. The average performance for thequeries in each network topology is measured and the over-all performance is obtained as an average over all the 100topologies. ... pagesdoi:10.1155/2007/48984 Research Article An Energy-Efficient Framework for Multirate Queryin Wireless Sensor NetworksYingwen Chen,1Ming Xu,1Huai-min Wang,1Hong Va Leong,2Jiannong Cao,2KeithC.C.Chan,2and ... queries and investigate rate conversion mechanism be-tween arbitrary frequencies. Third, we analyze analyticallythe performance on communication cost with our energy-efficient strategy and conduct...
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Báo cáo hóa học: " Research Article An Energy-Based Similarity Measure for Time Series" ppt
... Advances in Signal ProcessingVolume 2008, Article ID 135892, 8 pagesdoi:10.1155/2008/135892 Research Article An Energy-Based Similarity Measure for Time SeriesAbdel-Ouahab Boudraa,1, 2Jean-Christophe ... To compute the analytic signals x(t)ory(t), the Hilberttransform is used. In the following we give the expression ofΨB for analytic signals.3. EXPRESSION OF ΨB FOR ASSOCIATEDANALYTIC SIGNALSComplex ... complex. Let x and y be two real signals, andxAand yA, respectively, their corresponding analytic signals:xA= x + jH (x)andyA= y + jH (y), where H (·) is theHilbert transform.1By applying...
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báo cáo hóa học:" Research Article Uniform Second-Order Difference Method for a Singularly Perturbed Three-Point Boundary Value Problem" pdf
... xiand ihi hi1/2 be an average mesh size.Before describing our numerical method, we introduce some notation for the mesh functions.Define the following finite differences for any ... 4.9Advances in Difference Equations 11Ta b l e 1 : Approximate errors eNεand eNand the computed orders of convergence pNεon the piecewiseuniform mesh ωN for various values of ε and N.εN ... Uniform Numerical Methods for Problems with Initialand Boundary Layers, Boole Press, Dublin, Ireland, 1980.4 P. A. Farrell, A. F. Hegarty, J. J. H. Miller, E. O’Riordan, and G. I. Shishkin,...
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