Wavelet Analysis

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Documentation for package ‘rwavelet’ version 0.4.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

aconv	Convolution tool for two-scale transform
BlockThresh	1d wavelet Block Thresholding
block_partition	Construct 1d block partition
block_partition2d	Construct 2d block partition
CircularShift	Circular Shifting of a matrix/image
cubelength	Find length and dyadic length of square array
CVlinear	2-Fold Cross Validation for linear estimator
DownDyadHi	Hi-Pass Downsampling operator (periodized)
DownDyadLo	Lo-Pass Downsampling operator (periodized)
dyad	Index entire j-th dyad of 1-d wavelet xform
dyadlength	Find length and dyadic length of array
FTWT2_PO	2-d tensor wavelet transform (periodized, orthogonal).
FWT2_PO	2-d MRA Forwad Wavelet Transform (periodized, orthogonal)
FWT2_TI	2-d Translation Invariant Forward Wavelet Transform
FWT3_PO	3-d MRA Forward Wavelet Transform (periodized, orthogonal)
FWT_PO	Forward Wavelet Transform (periodized, orthogonal)
FWT_TI	Translation Invariant Forward Wavelet Transform
GWN	Generation of Gaussian White Noise
HardThresh	Apply Hard Threshold
iconvv	Convolution tool for two-scale transform
invblock_partition	Inversion of the 1d block partition
invblock_partition2d	Inversion of the 2d block partition
ITWT2_PO	Inverse 2-d Tensor Wavelet Transform (periodized, orthogonal)
IWT2_PO	Inverse 2-d MRA Wavelet Transform (periodized, orthogonal)
IWT2_TI	Invert 2-d Translation Invariant Wavelet Transform
IWT3_PO	Inverse 3-d MRA Wavelet Transform (periodized, orthogonal)
IWT_PO	Inverse Wavelet Transform (periodized, orthogonal)
IWT_TI	Invert Translation Invariant Wavelet Transform
JSThresh	Apply James-Stein Threshold
lshift	Circular left shift of 1-d signal
MAD	Median Absolute Deviation
MakeONFilter	Generate Orthonormal QMF Filter for Wavelet Transform
MakeSignal	Make artificial signal
MakeSignalNewb	Make artificial 1-d signal
MinMaxThresh	Minimax Thresholding
MirrorFilt	Apply (-1)^t modulation
MultiMAD	Apply Shrinkage with level-dependent Noise level estimation
MultiSURE	Apply Shrinkage to Wavelet Coefficients
MultiVisu	Apply Universal Thresholding to Wavelet Coefficients
packet	Packet table indexing
PlotSpikes	Plot 1-d signal as baseline with series of spikes
PlotWaveCoeff	Spike-plot display of wavelet coefficients
quadlength	Find length and dyadic length of square matrix
RaphNMR	Nuclear magnetic resonance (NMR) signal
repmat	Replicate and tile an array
rshift	Circular right shift of 1-d signal
ShapeAsRow	Make signal a row vector
SLphantom	3-d Shepp-Logan phantom
SNR	Signal/Noise ratio
SoftThresh	Apply Soft Threshold
SUREThresh	Adaptive Threshold Selection Using Principle of SURE
UpDyadHi	Hi-Pass Upsampling operator; periodized
UpDyadLo	Lo-Pass Upsampling operator; periodized
UpSampleN	Upsampling operator
ValSUREThresh	Adaptive Threshold Selection Using Principle of SURE
VisuThresh	Visually calibrated Adaptive Smoothing