Most transient signals, which are exponentially damped sinusoids, cannot be wavelet basis functions because of their nonzero mean. |
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The wavelet transform is designed to produce the best image possible given the bandwidth of the medium of transmission. |
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It is formulated on a scaling function or low-pass filter and a wavelet function or high-pass filter. |
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An excellent example of the working of the wavelet theory is found in the well-known pinhole camera. |
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The righthand image of Fig. 3 performs a second wavelet transform, but this time only on the top left portion of the first level transform. |
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Of course this only works after wavelet transforming because few of the values in the original picture are zero. |
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After applying the wavelet transform, entropy coding is applied to minimize the number of bits used. |
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Development of model-based techniques for multibeam backscatter noise analysis and removal through wavelet techniques. |
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Introductory treaties on wavelet analysis with an emphasis on spline-wavelets and time-frequency analysis. |
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Review of the general properties of the 2D wavelet transform, both in its continuous and its discrete versions. |
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It achieves high performance through the use of modern techniques such as wavelet transforms and arithmetic coding. |
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The decision to surface is made by an algorithm that depends on a mathematical function called a wavelet. |
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As he began his fifth and final year as Peru's president, Mr Toledo had been enjoying a welcome wavelet of adulation. |
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Spectral subtraction is useful for reducing hiss and two of the wavelet methods used are good at reducing crackle. |
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This paper describes the conditions for an orthonormal wavelet and methods to construct orthonormal wavelet bases of compact support. |
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In the wavelet transform, we can see from Fig. 3 that many of the values are approximately zero. |
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Finally, the reflectivity in time is convolved with an appropriate wavelet to produce a synthetic seismogram. |
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The CUDA Developer SDK includes examples with source codes for matrix calculation, pseudo random number generators, image convolution, wavelet calculations and a lot more besides. |
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The main algorithms include the Ephraim-Malah technique, three separate kinds of wavelet decomposition filtering, spectral subtraction, and H infinity filtering. |
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We can repeat the process to achieve higher levels of wavelet transform. The benefits of higher levels diminish with each level, so Dirac usually only uses a four-level wavelet transform. |
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It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation. |
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But, once you make any manual adjustment whatever, the repair will revert to a normal wavelet repair and the original structured repair cannot be recovered. |
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This book is suitable for beginner's course on wavelet coding. |
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Gabor wavelet can be well simulated brain cortex in single cell receptive field profiles, capture salient visual attribute. |
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In this paper further improvements of the wavelet multirate circuit simulation technique are presented. |
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Overall, by introducing psychovisual information in the graph computation for the graph wavelet transform we obtain very promising results. |
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A little, rubbishy wavelet, full of candy wrappers and orange peel and seaweed, folded over my foot. |
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At low bitrates it may be useful to simply predict a frame using only the motion information without transmitting any wavelet coefficients at all. |
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In addition, for image processing, in generally, isolative wavelet transform core is used. |
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Mathematical description of the wavelet transform and of the building up of an orthonormal set of basis functions for a wavelet representation applied to data compression in image coding. |
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To highlight the denoising capacity of the wavelet multiresolution analysis, one calculated the kurtosis and the peak value of the original and the reconstructed signals. |
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We take wavelet and use them in a series expansion of signals or functions much the same way a Fourier series the wave or sinusoid to represent a signal or function. |
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