Low-frequency dispersive estimates for the Schrödinger group in higher dimensions.
Simon MoulinGeorgi VodevPublished in: Asymptot. Anal. (2007)
Keyphrases
- low frequency
- high frequency
- hamilton jacobi
- distance transform
- frequency domain
- heat equation
- wavelet transform
- wave equation
- subband
- wavelet analysis
- discrete wavelet transform
- eikonal equation
- frequency band
- higher quality
- low pass
- electromagnetic fields
- original images
- fourier transform
- dct coefficients
- wavelet coefficients
- high resolution
- feature extraction
- partial differential equations
- finite difference
- multiresolution