Báo cáo hóa học: " Research Article Robust Background Subtraction with Shadow and Highlight Removal for Indoor Surveillance Jwu-Sheng Hu and Tzung-Min Su" pot
Báo cáo hóa học: " Research Article Robust Background Subtraction with Shadow and Highlight Removal for Indoor Surveillance Jwu-Sheng Hu and Tzung-Min Su" pot
... pagesdoi:10.1155/2007/82931 Research Article Robust Background Subtraction with Shadow and Highlight Removal for Indoor Surveillance Jwu-Sheng Hu and Tzung-Min SuDepartment of Electrical and Control Engineering, ... efficiency.3.1. Shadow and highlight removal Besides foreground and background, shadows and highlightsare two important phenomena that should be considered inmost cases. Shadows and highlights result ... j2σfxσfy.(16)3. BACKGROUND SUBTRACTION WITH SHADOW REMOVAL This section describes shadow and highlight removal, and proposes a framework that combines CBM, GBM, and CSIMto improve background subtraction...
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Báo cáo hóa học: " Research Article Robust Adaptive OFDM with Diversity for Time-Varying Channels" pot
... 27]todesign robust adaptive beamformers, and in [28]todesignarobustminimum variance beamformer.In this paper, we propose a robust adaptive modulationscheme for OFDM with transmit and/ or receive ... Communications and NetworkingVolume 2007, Article ID 78156, 8 pagesdoi:10.1155/2007/78156 Research Article Robust Adaptive OFDM with Diversity for Time-Varying ChannelsErdem Bala and Leonard ... estimate for a num-ber of subcarriers in a subband is introduced and the tradeoffbetween the subband size and achievable rate is analyzed.REFERENCES[1] A. J. Goldsmith and S G. Chua, “Variable-rate...
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Báo cáo hóa học: " Research Article AUTO GMM-SAMT: An Automatic Object Tracking System for Video Surveillance in Traffic Scenarios" pot
... the first problem is to run the algorithm with threedifferent kernel bandwidths, former bandwidth and formerbandwidth±10%, and to choose the kernel bandwidth whichmaximizes the appearance similarity ... movingforeground regions and store the detection result in a binarymask. A very common solution for moving foregrounddetection is background subtraction. In background sub-traction a reference background ... P.W.PowerandJ.A.Schoonees,“Understandingbackgroundmixture models for foreground segmentation,” in Proceedingsof the Image and Vision Computing (IVCNZ ’02), pp. 267–271,Auckland, New Zealand, November...
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Báo cáo hóa học: " Research Article Robust Blind Frequency and Transition Time Estimation for Frequency Hopping Systems" doc
... ProcessingVolume 2010, Article ID 172703, 13 pagesdoi:10.1155/2010/172703 Research Article Robust Blind Frequency and Transition Time Estimation for Frequency Hopping SystemsKuo-Ching Fu and Yung-Fang ... areheld constant. For instance, K may be fixed first and the ω1 and ω2that maximize the objective function are computed;after ω1 and ω2have been estimated, ω1 and ω2are fixed and then K is ... military communications for combatingnarrowband interference and for security purposes. The twoparameters that are required for the estimation in FHSSare transition time and hopping frequency....
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Báo cáo hóa học: " Research Article Robust and Accurate Curvature Estimation Using Adaptive Line Integrals" pdf
... Vision and Image Understand-ing, vol. 107, no. 3, pp. 139–159, 2007.[18] A. Rosenfeld and A. C. Kak, Digital Picture Processing,Academic Press, Orlando, Fla, USA, 1982.[19] I. M. Anderson and ... called normal voting for robust curvatureestimation, which is similar to [10, 32]. Recently,Tong and Tang [11] propose a three-pass tensor voting algorithm with improved robustness and accuracy.2.5. ... By performinga theoretical analysis, they conclude that none of thesemethods is robust and applicable for all curve types. Magidet al. [17]provideacomparisonoffourdifferent approaches for curvature...
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Báo cáo hóa học: " Research Article Robust Object Categorization and Segmentation Motivated by Visual Contexts in the Human Visual System" docx
... catego-rization performance for selected five Caltech categories (car,motorbike, stop sign, cup, and faces). In this experiment, weuse 15 randomly selected images (segmented) for training and test 15 randomly ... bathroom, and drills in a workshop. Therefore, object and place (background) are strongly correlated and usuallycoexist, as shown in Figure 7. If the relationship betweenobject and place (background) ... (pixels)Detection performance for occlusion(a) Performance for car occlusionCar sideCar sideCar side(b) Detection resultsFigure 28: Detection performance under occlusion and several detection...
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Báo cáo hóa học: " Research Article Robust Watermarking Scheme Using Wave Atoms" pptx
... 2. From Tables 3 and 4, it can be seen that the proposed method is not robust against the salt and pepper noises and Laplaciansharpening. Compared with Zhu’s, Xiao’s, Leung’s, and Tao’sschemes, ... transform. And the robustness tests for the proposed method and comparisons with other water-marking schemes are also described. This paper is organizedas follows. In Section 2, wave atom transform ... G. Zhu and N. Sang, “Watermarking algorithm research and implementation based on DCT block,” World Academy ofScience, Engineering and Technology, vol. 45, pp. 38–42, 2008.[15] B. Chen and G....
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Báo cáo hóa học: " Research Article Robust Monotone Iterates for Nonlinear Singularly Perturbed Boundary Value Problems" pot
... that for 10−1≤ μ ≤ 10−6 and 32 ≤ N ≤ 1024, oneach time level the number of iterations for monotone method 3.7 on the piecewise uniformmesh is independent of μ and N and equal 4, 4, and 3 for ... 10−6 and 32 ≤ N ≤ 1024, iterationcounts for monotone method 2.27 on the piecewise uniform mesh are independent of μ and N, and equals 12 and 8 for the lower and upper sequences, respectively. These ... ς, 1−ς, and 1 −ς, 1. Assuming that N is divisible by 4, in the parts 0,ς, 1 −ς, 1 weuse t he uniform mesh with N/4 1 mesh points, and in the part ς, 1 − ς the uniform mesh with N/2...
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báo cáo hóa học:" Research Article Robust THP Transceiver Designs for Multiuser MIMO Downlink with Imperfect CSIT" doc
... theproposed robust design clearly outperforms the nonrobustdesign in [10]. Comparing the results for Nt= 6and Nt= 8, we find that the difference between the nonrobustdesign and the proposed robust ... Section 3 outperforms thenonrobust design in [10].In Figure 2, we present the simulated SMSE performancesof the proposed robust design and those of the nonrobustdesign proposed in [10]fordifferent ... the optimization isperformed alternately over{B, G} and {C}.4.1.1. Robust Design of B and G Filters. For the design ofthe precoder matrix B and the feedback filter G for a fixedvalue of C,...
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báo cáo hóa học:" Research Article Robust Distributed Noise Reduction in Hearing Aids with External Acoustic Sensor Nodes" ppt
... ProcessingVolume 2009, Article ID 530435, 14 pagesdoi:10.1155/2009/530435 Research Article Robust Distributed Noise Reduction in Hearing Aids with External Acoustic Sensor NodesAlexander Bertrand and Marc ... optimalityproof of Theorem 1 for DANSEKin [13].6. Performance of DANSE and R-DANSEIn this section, the batch mode performance of DANSE and R-DANSE is compared for the acoustic scenario of ... whereasspeakers A and B and the babble-noise loudspeaker areconsidered to be background noise. In Figure 6, the threequality measures are plotted (for node 4) versus the iterationindex for DANSE1 and R-DANSE1,...
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