Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802 15 4 Multihop Networks" docx
Báo cáo hóa học: " Research Article Edge Adaptive Color Demosaicking Based on the Spatial Correlation of the Bayer Color Difference" pptx
... mean the fluctuation on each of the difference images, should be similar to each other. The similarity between the local var iation values is estimated by the standard deviation of the local variations, ... represent that the region isdetermined as the edge pattern region and a flat region inthis classification, respectively, and th1andth2 are thresholdsthat control the accuracy of the classification. If ... demosaicking directly on the CFA sam-ples, Chung and Chan studied the color difference variance of the pixels located along the horizontal or the vertical axis of CFA samples [23]. Tsai and Song...
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Báo cáo hóa học: " Research Article Online Speech/Music Segmentation Based on the Variance Mean of Filter Bank Energy" pdf
... channel bandwidth, commercials,and so forth. 4. 2. Radio Broadcast Database. For the purpose of ouranalysis a radio broadcast database was built. The databasecontains radio broadcast material ... efficiency and performance. The segmentation and classification algorithms were bench-marked on a large dataset, with a classification accuracy of about 95% and a segmentation accuracy of about 97%. A ... 4 MusicSpeech(d)Figure 4: Histograms of (a) VMFBE feature on radio broadcast database, (b) Var. of SF feature on radio broadcast database, (c) VMFBEfeature on BNSI database and (d) Var. of SF feature on BNSI database.the...
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Báo cáo hóa học: "Research Article Spectrum Sharing in an ISM Band: Outage Performance of a Hybrid DS/FH Spread Spectrum System with Beamforming" docx
... uses arrays of antennas to control the RFradiation pattern. When receiving a signal, beamformingcan increase the gain in the direction of desired signaland decrease the gains in the directions ... modelhaving a flat mainlobe and a flat sidelobe is developed. The width of the mainlobe and the height of the sidelobeare calculated based on the first moment and the secondmoment of the real beam ... spectraland spatial characterization of the system and assume all the users and interferences are present in the band where the firstuser is active. The temporal characterization of the systemand interferences...
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Báo cáo hóa học: " Research Article Combining Evidence, Specificity, and Proximity towards the Normalization of Gene Ontology Terms in Text" potx
... evaluation illustrates the performance in terms of precision and recall. The BioCreAtIvE corpus, named here B, contains 244 4entries, each of them containing, among other fields, a passage, as well ... the words has an impact on the performance of the method with an optimal setup based on the passage for the evaluation. The optimal probabilisticmodel was used to compute the probability that ... requires a globalapproach that takes into account the performance of the systems at various ranks. We, therefore, introduce a novelmeasure that assesses the performance of the systems over allthe...
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Báo cáo hóa học: " Research Article Coorbit Theory, Multi-α-Modulation Frames, and the Concept of Joint Sparsity for Medical " ppt
... be analyzed. In order to evaluateadvantages and/or disadvantages of the two methods, the maximum amplitude at the center of appearance of the synthetic data component was gradually decreased ... 20 04. [10] M. Samonas, M. Petrou, and A. A. Loannides, “Identificationand elimination of cardiac contribution in single-trial magne-toencephalographic signals,” IEEE Transactions on BiomedicalEngineering, ... procedure are the so-calledmulti-α-modulation f rames (for which the construction relies on the theory of coorbit spaces) for an optimal/sparsesignal expansion and the concept of joint sparsity mea-sures.A...
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Báo cáo hóa học: " Research Article Visual Contribution to Speech Perception: Measuring the Intelligibility of Animated Talking Heads" doc
... speech was synthesized to give extraordinary in-formation. Better performance for the synthetic face than the natural face can also be a case of a hyperrealism. The anima-tion might have added additional ... that of a natural talker. For Crv, the value should beread as the visual contribution of the synthetic face comparedto the natural face independently of the auditory conditions of degradation. ... degradation. For example, a value of 80% means the syn-thetic face reached 80% of the visual performance of the nat-ural face. The quality of the animated speech approaches realvisiblespeechasthismeasureincreasesfrom0to1.Slim...
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Báo cáo hóa học: " Research Article Fast Subspace Tracking Algorithm Based on the Constrained Projection Approximation" pdf
... space dimensionn, and nonstationarity on the performance of fast CPASTwas investigated. The simulation results showed good per-formance of fast CPAST with low SNR and nonstationaryenvironment.References[1] ... simulations to demonstrate the applicability and performance of the fast CPAST algorithmand to compare the performance of fast CPAST with othersubspace tracking algorithms. To do so, we consider ... shoulddepend on the variation of data and improper choosing of forgetting factor can degrade the performance of the algorithm.In the first scenario, the test signal is the sum of signals of two sources...
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Báo cáo hóa học: " Research Article Karhunen-Lo` ve-Based Reduced-Complexity Representation e of the Mixed-Density Messages in SPA on Factor Graph and Its Impact on BER" ppt
... implementation infeasible. A number of solutions for this situation appeared (see a detaileddiscussion later). All of them are based on a message PDFapproximation done by a proper parameterization of ... consequence of the phenomenonthat the KLT analysis of the message leads to the har-monic functions. The harmonic functions based linear basisoptimizes the MSE of the approximated messages for the considered ... definition of the SPA) evaluation of the update rules is approximatedby the numerical integration with the rectangular rule [6–8]. The discretization of the continuously valued message isstraightforward...
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Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802.15.4 Multihop Networks" docx
... one-to-one communications gainrelevance in many application areas. In this paper, we present an in-depth, experimental study on the impact of LQI-based routing metrics on the performance of a one-to-one ... under the assumption of a minimum data transmis-sion rate for each node to allow for a link quality estimation[5]. 4. 5. MultiHopLQI. One of the first attempts at a link qualityestimator for a routing ... for the nature of NST-AODV (i.e., they do notrequire transmission of additional control messages); and(iii) they take into account the qualities of all the links of a path in the computation...
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Báo cáo hóa học: " Research Article Impact of Base Station Cooperation on Cell Planning" potx
... clustertypes and site-to-site distances on the spectral efficiency, the area and shape of the cooperation regions, the coverage, and the capacity of the BSC network.By understanding the impact of BSC on ... pagesdoi:10. 1155 /2010 /40 6 749 Research Article Impact of Base Station Cooperation on Cell PlanningIan Dexter Garcia,1Naoki Kusashima,1Kei Sakaguchi,1Kiyomichi Araki,1Shoji Kaneko,2and Yoji ... Strongertransmit powers mean greater overlap of coverage areas of the BSs. Consequently, because of the overlap of coverage,BSC leads to a greater area where handover can be made.5 .4. BSC Impact...
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