题目：Least-squares horizons with local slopes and multi-grid correlations
方法
Implements 3 methods for extracting 2D horizon curves:
predictive horizons with local slopes only;
least-squares horizons with local slopes only;
least-squares horizons with both local slopes and multi-grid correlations.
HorizonExtractor3
Implements 2 methods for extracting 3D horizon surfaces:
least-squares horizons with local slopes only;
least-squares horizons with both local slopes and multi-grid correlations.
方法
Implements 3 methods for extracting 2D horizon curves:
predictive horizons with local slopes only;
least-squares horizons with local slopes only;
least-squares horizons with both local slopes and multi-grid correlations.
HorizonExtractor3
Implements 2 methods for extracting 3D horizon surfaces:
least-squares horizons with local slopes only;
least-squares horizons with both local slopes and multi-grid correlations.
