5903 search results - page 919 / 1181 » Signal Processing |
179
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ICIP
2008
IEEE
16 years 8 months ago
2008
IEEE
For most MR imaging applications multiple surface coils are used to obtain images with high signal-to-noise ratios (SNR). However, signal intensity strongly diminishes with distan...
176
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ICIP
2007
IEEE
16 years 8 months ago
2007
IEEE
This paper describes salienShrink, a method to denoise images based on computing a map of salient coefficients in the wavelet domain and use it to improve common denoising algorit...
172
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ICIP
2007
IEEE
16 years 8 months ago
2007
IEEE
Perceptual image coding algorithms typically impose perceptual modeling in a preprocessing stage. A perceptual normalization model is often used to transform the original image si...
204
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ICIP
2006
IEEE
16 years 8 months ago
2006
IEEE
Sparse image reconstruction is of interest in the fields of radioastronomy and molecular imaging. The observation is assumed to be a linear transformation of the image, and corrup...
152
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ICIP
2005
IEEE
16 years 8 months ago
2005
IEEE
The instantaneous amplitude, phase, and frequency (APF) characterize a nonstationary signal on a fundamental level. In this paper, we seek to obtain a consistent multidimensional ...