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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | // Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#ifndef WM5GRADIENTANISOTROPIC2_H
#define WM5GRADIENTANISOTROPIC2_H
#include "Wm5ImagicsLIB.h"
#include "Wm5PdeFilter2.h"
namespace Wm5
{
class WM5_IMAGICS_ITEM GradientAnisotropic2 : public PdeFilter2
{
public:
GradientAnisotropic2 (int xBound, int yBound, float xSpacing,
float ySpacing, const float* data, const bool* mask,
float borderValue, ScaleType scaleType, float K);
virtual ~GradientAnisotropic2 ();
protected:
void ComputeParam ();
virtual void OnPreUpdate ();
virtual void OnUpdate (int x, int y);
float mK; // k
// These are updated on each iteration, since they depend on the current
// average of the squared length of the gradients at the pixels.
float mParam; // 1/(k^2*average(gradMagSqr))
float mMHalfParam; // -0.5*mParam;
};
}
#endif
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