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Signal Compression: |
Coding of images, image sequences (video), speech and audio, for efficient data storage and communication over narrow-band and other bit-rate limited channels.
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Speech and Audio Processing: |
Speech enhancement using statistical-based spectral and wavelet techniques with single and multi- microphone inputs; dereverbaration and echo cancelation; source localization, and digital watermarking of audio signals.
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Image Processing: |
Robust fitting of 2D curves and 3D surfaces by implicit polynomials. Image segmentation. Color palletization.
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Wavelet Theory and Applications: |
Shift-invariant wavelet analysis. Adaptive representations in libraries of bases. 3D seismic data analysis.
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