v Research Article Are the Wavelet Transforms the Best Filter Banks for Image Compression?" pdf

... than the wavelet filter bank for image Ta r ge t. For all other images the wavelet and gain optimized filter banks perform equally well. Comprehensive coding results for a number of filter banks ... pages doi:10.1155/2008/287197 Research Article Are the Wavelet Transforms the Best Filter Banks for Image Compression? Ilangko Balasingham 1, 2 and Tor A....

Ngày tải lên: 22/06/2014, 00:20

... group. Apparently, there is little correlation between the average recognition rate and the average/variance of averaged evaluation scores. But the variance of averaged evaluation scores for Experiment ... C (the number in parenthesis means the number of image frames) Gesture set in group B (the number in parenthesis means the number of image frames) Gesture set in group A (...

Ngày tải lên: 21/06/2014, 20:20

... wood. (b) Average TvC curve for structures and individual TvC curves for baby and pumpkin.(c) Average TvC curves for edges and individual TvC curves for butterfly and sail. In each graph, the horizontal ... depicts the average results for textures along with individual TvC curves for images fur and wood. Figure 9(b) depicts the average results for structures along with indi...

Ngày tải lên: 22/06/2014, 00:20

... U, where the columns of U are the M T dominant left singular vectors of the full channel matrix H. Therefore, the entries of the transformation matrix A will be a ij =  u ij if i ∈ S j 0 otherwise, (35) with ... chi-squared variates with 2M R de- grees of freedom. The equality holds in the “very artificial case” when the transmitted signal vector components are conveyed ove...

Ngày tải lên: 22/06/2014, 06:20

... along the tree line, as shown in the sample band images in Figure 3. The detection per- formance of the DR-II and FR-I images was provided in both the qualitative and quantitative the receiver ... to have zero mean. The estimated covariance matrix in the feature space is g iven by  C φ = 1 N X φ X T φ . (A.1) The PCA eigenvectors are computed by solving the eigen- value...

Ngày tải lên: 22/06/2014, 23:20

... relevant research efforts have been reported lately for the wavelet transform. Thulasiraman et al. have de- veloped a multithreaded algorithm for computing the 2D wavelet transform [13]. The authors ... wavelet transform, Kutil and Uhl have conducted a study of the software and hardware needs of the 3D wavelet transform [14]. They have centered their study on the clas...

Ngày tải lên: 22/06/2014, 19:20

... using the estimated value of model parameter P.InFigures5(a) and 5(b), the waveform and the spectrum of the PD model are drawn, respectively, together with the waveform and the spectral envelope ... sawtooth waveform having the fundamental frequency f 0 = 220.62 Hz. The spectrum of the waveform is shown in (b) together with the approximately −6 dB per octave spectral env...

Ngày tải lên: 21/06/2014, 05:20

... this paper, the problems of 2-D D 3 LS algorithms were studied for recovering of the signal in the presence of mutual coupling and driving a new formulation to recover the signal in the presence ... and very expensive [18]. Some other researches suggested self- calibration adaptive algorithms for damping the MC effect [19–21]. In this paper, a new adaptive algorithm was propose...

Ngày tải lên: 21/06/2014, 05:20

... can be observed that the interference power for the AFT-MC system with the GI even for the extremely high aircraft velocity of v = 400 m/s can be below −40 dB. Note that even without the GI interference ... obtained for the OFDM and AFT-MC system with and without the GI in the en-route scenario for different T and aircraft velocity v = 400 m/s. From Figure 4 it can...

Ngày tải lên: 21/06/2014, 07:20

... the output of the frequency-domain equalizer (FEQ) at the receiver; such information flows from the VDSL2 Transceiver Unit at the remote side (VTU-R) to the vectoring control entity (VCE) at the ... the dispersion around the mean, for all lengths, is very limited, so that the average value gives a very good approximation of the true value. Finally, Ta bl e 3 shows the...

Ngày tải lên: 21/06/2014, 08:20