Báo cáo hóa học: " Research Article Warped Discrete Cosine Transform-Based Low Bit-Rate Block Coding Using Image Downsampling" pdf

... Signal Processing Volume 2007, Article ID 43948, 5 pages doi:10.1155/2007/43948 Research Article Warped Discrete Cosine Transform-Based Low Bit-Rate Block Coding Using Image Downsampling Sarp Ert ¨ urk Kocaeli ... downsampling- based block coding is enhanced by using WDCT in conjunc- tion with image downsampling. 2. WDCT-BASED LOW BIT-RATE BLOCK CODING...

Ngày tải lên: 22/06/2014, 20:20

... of feature extraction filters to the input image sequence, a difference image, a silhouette image, and an edge image are generated. Using these feature images, regions of interest are dynamically ... Journal on Image and Video Processing Volume 2010, Article ID 517861, 13 pages doi:10.1155/2010/517861 Research Article Real-Time Multiview Recognition of Human Gestures by Distribu...

Ngày tải lên: 21/06/2014, 20:20

... Signal Processing Volume 2008, Article ID 735351, 16 pages doi:10.1155/2008/735351 Research Article Sliding Window Generalized Kernel Affine Projection Algorithm Using Projection M appings Konstantinos ... {θ (n) x j } j∈J n , as follows κ  x j , ·  −→ k (n) x j := L n  l=1 θ (n) x j ,l ψ (n) l ∈ M n , ∀j ∈ J n . (15) For example, at time 0, κ(x 0 , ·) → k (0) x 0 := ψ (0) 1 . Sin...

Ngày tải lên: 21/06/2014, 22:20

... Publishing Corporation Advances in Difference Equations Volume 2010, Article ID 457073, 15 pages doi:10.1155/2010/457073 Research Article A Discrete Equivalent of the Logistic Equation Eugenia N. Petropoulou Division ... Also, some differences of the discrete equivalent logistic equation and the well-known discrete analogue of the logistic equation are mentioned. It is hoped that th...

Ngày tải lên: 21/06/2014, 11:20

... Corporation EURASIP Journal on Advances in Signal Processing Volume 2007, Article ID 29125, 10 pages doi:10.1155/2007/29125 Research Article A Discrete Model for Color Naming G. Menegaz, 1 A. Le Troter, 2 J. ... (Italy), thanks to a grant funded by the Italian Min- istry of University and Research. Her research field is perception- based image processing for multimedia application...

Ngày tải lên: 22/06/2014, 23:20

... Advances in Signal Processing Volume 2007, Article ID 67360, 8 pages doi:10.1155/2007/67360 Research Article Fast Discrete Fourier Transform Computations Using the Reduced Adder Graph Technique Uwe ... multi- plier block. The tr ansposed FIR filter show n in Figure 1 is a typical example for a multiplier block. It has been noted by Bull and Horrocks [15, 16] that such a multiplier...

Ngày tải lên: 22/06/2014, 23:20

... helped to improve the paper. This research was partially supported by the National Natural Science Foundation of China Grant no. 10871216 an d the Fundamental Research Funds for the Central Universities ...  x, T is a tightly proper saddle point of L, and the proof is completed. The following saddle-point theorem allows us to express a tightly properly efficient solution of VP as a ti...

Ngày tải lên: 21/06/2014, 06:20

... system whose majority of logic runs at lower clock frequencies, while allowing for high throughput even at low modulation levels. This is particularly important as lower modulation levels are less ... nonlinear (compression) region causing distortion. Alternative QAM implementations try to avoid the use of multipliers and sine /cosine memories, by using the CORDIC algorithm [4, 5], howev...

Ngày tải lên: 21/06/2014, 07:20

... of the lower frequency partials had a negative effect on the identification scores. Smt-LF mapping filters out partials below 130 Hz and above 1502 Hz, while Smt-MF mapping filters out partials below ... tested here, Smt-LF caused no loss of lower frequency partials due to filtering. Smt-MF, on the other hand, is more likely to result in the lower partials of the lower pitched tones being affected...

Ngày tải lên: 21/06/2014, 07:20

... Corporation Journal of Inequalities and Applications Volume 2010, Article ID 643768, 6 pages doi:10.1155/2010/643768 Research Article General Convexity of Some Functionals in Seminormed Spaces ... areas. Theorem 1.1. Let X be a seminormed space over R and the nonnegative functional f satisfy the following condition: a gt · fy ≤ fx ≤ rt · fy, for all x,y with x/y  t ∈ 0...

Ngày tải lên: 21/06/2014, 07:20