Solving the Three-Dimensional High-frequency Helmholtz Equation Using Contour Integration and Polynomial Preconditioning.
Xiao LiuYuanzhe XiYousef SaadMaarten V. de HoopPublished in: SIAM J. Matrix Anal. Appl. (2020)
Keyphrases
- high frequency
- three dimensional
- low frequency
- visual quality
- high resolution
- wavelet transform
- subband
- high frequencies
- wavelet coefficients
- low pass
- discrete wavelet transform
- high frequency components
- multi view
- velocity field
- wavelet domain
- image sequences
- edge preserving
- active contours
- phase shifting
- super resolution
- primal dual
- image processing
- gray scale
- multi resolution analysis