DGtal::detail::CurvatureFromDSSLength Struct Reference

#include <SegmentComputerEstimators.h>

Public Types
typedef double	Value

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

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Detailed Description

  Description of class 'CurvatureFromDSSLength' <p> Aim: 
  Computes the curvature \form#259 from the discrete length \form#4 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 1242 of file SegmentComputerEstimators.h.

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Member Typedef Documentation

typedef double DGtal::detail::CurvatureFromDSSLength::Value

Definition at line 1245 of file SegmentComputerEstimators.h.

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Member Function Documentation

template<typename DSS >

Value DGtal::detail::CurvatureFromDSSLength::operator() ( const DSS &  aDSS ) const

inline

Definition at line 1248 of file SegmentComputerEstimators.h.

      {
        typedef typename DSS::Vector Vector; 
        //length
        Vector v = ( *aDSS.begin() - *boost::prior(aDSS.end()) ); 
        Value l = v.norm(Vector::L_2);
        //result
        return 1/( (l*l)/8 + 0.5 );  
      }

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

• SegmentComputerEstimators.h