SERGEY'S MAIN PROGRAM DOCS

Many of the illustrations in this book are made with main programs that can be reused (in the SEP environment) for other applications. Here is a summary of their documentation.

 

• Autocorr - compute autocorrelation for helix filters
• Bin2 - nearest neighbor binning in 2-D
• Conv - convolve two helix filters
• Decon - Deconvolution (N-dimensional)
• Devector - create one output filter from two input filters
• Helderiv - Helix derivative filter in 2-D
• Helicon - Helix convolution and deconvolution (N-dimensional!)
• Helocut - Helix Lowcut filter in 2-D
• Hole - Punch ellipsoidal hole in 2-D data
• Igrad - take gradient on the first axis
• LPad - Pad and interleave traces
• LPef - Find PEF on aliased traces
• Lapfill2 - fill missing data by minimizing the Laplacian
• LoLPef - Find PEF on aliased traces (with patching)
• Lomiss - Missing data interpolation with a prescribed helix filter
• (in local patches)
• Lopef - Local Prediction-Error Filter (1-D, 2-D, and 3-D)
• Losignoi - Local signal and noise separation (N-dimensional)
• MSHelicon - Multi-scale Helix convolution (N-dimensional!)
• MSMiss - Multiscale missing data interpolation (N-dimensional)
• MSPef - Multi-scale PEF estimation
• Make - generate simple 2-D synthetics with crossing plane waves
• Minphase - create minimum-phase filters
• Miss - Missing data interpolation with a prescribed helix filter
• NHelicon - Non-stationary helix convolution and deconvolution
• NPef - Estimate Non-stationary PEF in N dimensions
• Nozero - Read (x,y,z) data triples, throw out values of z > thresh, transpose
• Parcel - Patching illustration
• Pef - Estimate PEF in N dimensions
• Sigmoid - generate sigmoid reflectivity model
• Signoi - Local signal and noise separation (N-dimensional)
• Tentwt - Tent weight for patching
• Vrms2int - convert RMS velocity to interval velocity
• Wilson - Wilson's factorization for helix filters