Báo cáo hóa học: " Research Article Edge Adaptive Color Demosaicking Based on the Spatial Correlation of the Bayer Color Difference" pptx
Báo cáo hóa học: " Research Article An Adaptive Channel Interpolator Based on Kalman Filter for LTE Uplink in High Doppler Spread Environments" docx
... polynomial curve fitting that is based on linear model estimator. The contributions of thisstudy are twofold. (i) The factors which affect the selection of the order of the polynomial curve fitting ... result in the newevolved Release 8 of the UMTS standard, including most orall of the extensions and modifications of the UMTS system.Orthogonal frequency-division multiplexing (OFDM) isconsidered ... propagation environmentincluding number of multipath components and delayspread, and so on. In other words, all of the parametersthat affect the performance of the tracker and some of the structural...
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Báo cáo hóa học: " Research Article Edge Adaptive Color Demosaicking Based on the Spatial Correlation of the Bayer Color Difference" pptx
... 5.2. Spatial Correlation on theBayerColorDifferencePlaneIn the proposed method, the region type and the edge direction are determined directly on the Bayer CFA samples based on the correlation of ... (Non). Therefore, the final types of the edge direction are EDT={Hor, Ver, Non}.In the proposed edge direction estimation, the diagonaldirectional edge is considered as the combination of the horizontal ... difference of the Bayer samplesprovides key to directly estimate the edge direction on the Bayer pattern. In the conventional SSC -based methods, the smoothness of the Bayer color difference along an edge...
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Báo cáo hóa học: " Research Article Missing Texture Reconstruction Method Based on Perceptually Optimized Algorithm" ppt
... the already obtainedresults for reconstructing other missing areas. Therefore, the performance of the proposed method does not depend on the order of the reconstruction, that is, the positions ... Reconstructed image by the method based on the random selection. (f) Reconstructed image by the method which utilizes the MSE instead of the SSIM index. (g)Reconstructed image by the conventional ... paper focuses on the texture reconstructionapproach with discussion of its details.Traditionally, missing texture reconstruction is realizedas one of the applications of texture synthesis. Efros...
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Báo cáo sinh học: " Research Article Improved Adaptive LSB Steganography Based on Chaos and Genetic Algorithm" ppt
... etc.).Second, our method minimizes degradation of the stegoimage through finding the best mapping between the secretmessage and the cover image based on chaos and the geneticalgorithm (GA). The ... minimize the degradation of stego imageby shuffling the secret message based on the logistic mapand GA. To find better mapping between the secret messageand the cover image so as to improve the steganographicperformance ... usingchaotic sequence,” in Proceedings of the 11th InternationalConference on Knowledge -Based Intelligent Information andEngineering Systems and the XVII Italian Workshop on NeuralNetworks, pp. 202–208,...
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Báo cáo hóa học: " Research Article Online Speech/Music Segmentation Based on the Variance Mean of Filter Bank Energy" pdf
... Vlis the variance of the lth corresponding filterchannel, l is the filter number index, L is the number of filters,and Elis the energy vector of the lth filter channel. Visualrepresentation of the ... representation. In the figure there are threeexplicit regions. The left region represents speech (0–8 sec-onds), the middle region represents silence (8–10 seconds),and the right region represents ... (nonspeech). The duration of this short speech segment is around 600–700 millisecondsand the duration of the short pause segment is around 300milliseconds. By setting the minimum speech duration tothe...
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Báo cáo hóa học: "Research Article Stability and Convergence Results Based on Fixed Point Theory for a Generalized Viscosity Iterative Scheme" pot
... that t he solution of the sequence converges strongly to a unique commonfixed point of the representation S which is the solution of a variational inequality 6 .The viscosity iteration process 3.1 ... from that of the Lyapunov functional in the case that the last one is very involved. A generalization of the contraction principle in metric spaces by using continuous nondecreasing functionssubject ... functions on its dual. It is proven that the solution converges to a unique common fixed point of all the set asymptotic nonexpansive mappings for any initial conditions on C. The objective of this...
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Báo cáo hóa học: "Research Article Unequal Error Protection Techniques Based on Wyner-Ziv Coding" doc
... evaluated based on the history of the received video information of the past k frames,as given in (2). m represents the mth set of the k framesreceived at the decoder. In this equation Si,jis ... levels of protection that are commensurate withtheir respective contributions to the quality of the videoreconstructed by the decoder [21]. The block diagramdepicting the unequal error protection ... protection based on Wyner-Ziv coding.techniques outperform the equal error protection case and the H.264 with error concealment case as shown in Section 4.However, depending on the channel condition...
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Báo cáo hóa học: " Research Article Empirical Mode Decomposition Method Based on Wavelet with Translation Invariance" doc
... observation about the phenomena is that the size of pseudo-Gibbs depends mainly on the location of adiscontinuity in the signal. For example, when using the Haarwavelets as basis, a discontinuity ... of the shift, but there isno guarantee that this will always be the case. If the signalhas several discontinuities, they may interfere with eachother, that is, the best shift for one discontinuity ... after denoising the data can be shifted back. Unfortunately, we do not know the location of the discontinuity. One method solving thissituation is optimization: develops a measure of artifacts...
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Báo cáo hóa học: " Research Article A Skin Detection Approach Based on Color Distance Map" doc
... separately without using anyother information. On the other hand, our approachmakes use of the region information as well as color information (in the form of DM values). These helpit to capture ... illumination: Figure 5 demonstrates the outcome of the proposed and the traditional methods inlow-light imaging condition. Here, the traditionalmethod misses the face region, and the fingers ... distribution of skin pixels in the input image under processing. It thengenerates a color distance map based on which some portion of skin regions as well as nonskin regions are generated.These regions...
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Báo cáo hóa học: " Research Article Fast Subspace Tracking Algorithm Based on the Constrained Projection Approximation" pdf
... minimization is the PAST costfunction, (5) leads to the signal subspace. In addition, the aforementioned constraint guarantees the orthonormality of the signal subspace. The use of the forgetting ... shows the trajectories of the sources. Because of the nonstationarity of the environment, the forgetting factor ischosen as β= 0.75. The SNR of each source is equal to10 dB. The simulation results ... The exceptions are Sections 7.2.2 and 7.2.3where we change the number of sensors.7.2.1. Effect of the SNR. In this part of Section 7.2,weinvestigate the influence of SNR on the performance of...
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