DGtal 1.3.0
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Public Types | Public Member Functions
DGtal::detail::CurvatureFromDSSLength Struct Reference

#include <DGtal/geometry/curves/estimation/SegmentComputerEstimators.h>

Public Types

typedef double Value
 

Public Member Functions

template<typename DSS >
Value operator() (const DSS &aDSS) const
 

Detailed Description

Description of class 'CurvatureFromDSSLength'

Aim: Computes the curvature \( k \) from the discrete length \( l \) of a DSS as follow: \( 1/k = l*l/8 + 1/2 \)

Note
Adaption from Coeurjolly, D. and Miguet, S. and Tougne, L. "Discrete Curvature Based on Osculating Circle Estimation", Proc. IWVF, LNCS, vol 2059, pp.303-312, 2001

Definition at line 1233 of file SegmentComputerEstimators.h.

Member Typedef Documentation

◆ Value

Definition at line 1236 of file SegmentComputerEstimators.h.

Member Function Documentation

◆ operator()()

template<typename DSS >
Value DGtal::detail::CurvatureFromDSSLength::operator() ( const DSS &  aDSS) const
inline

Definition at line 1239 of file SegmentComputerEstimators.h.

1240 {
1241 typedef typename DSS::Vector Vector;
1242 //length
1243 Vector v = ( *aDSS.begin() - *boost::prior(aDSS.end()) );
1244 Value l = v.norm(Vector::L_2);
1245 //result
1246 return 1./( (l*l)/8. + 0.5 );
1247 }
FreemanChain< int >::Vector Vector

The documentation for this struct was generated from the following file: