filterKernel.h

// -*- C++ -*-
// -*- coding: utf-8 -*-
//
// Author: Heresh Fattahi
// Copyright 2020-
 
#pragma once
 
#include "forward.h"
 
#include <valarray>
 
namespace isce3 { namespace signal {

std::valarray<double> gaussian1D(const int& length, const double& sigma);

std::valarray<double> gaussian2D(const int& columns, const int& rows,
                                 const double& sigmaX, const double& sigmaY);

std::valarray<double> boxcar1D(const int& length);

std::valarray<double> boxcar2D(const int& columns, const int& rows);

std::valarray<double> delta1D(const int& length);

std::valarray<double> delta2D(const int& columns, const int& rows);
 
}} // namespace isce3::signal