STIR
6.2.0
|
Namespace for functions and classes for B-Spline interpolation in the STIR library. More...
Classes | |
class | BSplines1DRegularGrid |
Temporary class for 1D B-splines. More... | |
class | BSplines_Tests |
A simple class to test the BSplines function. More... | |
class | BSplinesRegularGrid |
A class for n-dimensional BSpline interpolation when the input samples are on a regular grid. More... | |
class | BSplinesRegularGrid1D_Tests |
A simple class to test the BSplinesRegularGrid class for 1D arrays. More... | |
class | BSplinesRegularGrid_Tests |
A simple class to BSplinesRegularGrid for 2D arrays. More... | |
Typedefs | |
typedef double | pos_type |
The type used for relative positions between the grid points. | |
Enumerations | |
enum | BSplineType { near_n, linear, quadratic, cubic, quartic, quintic, oMoms } |
enum providing constants to define the type of B-Spline used for interpolation | |
Functions | |
template<class RandIterOut , class IterT , class constantsT > | |
void | BSplines_coef (RandIterOut c_begin_iterator, RandIterOut c_end_iterator, IterT input_begin_iterator, IterT input_end_iterator, const constantsT z1, const constantsT z2, const constantsT lambda) |
compute BSpline coefficients that gives the BSpline that interpolates the given data | |
template<typename pos_type > | |
pos_type | BSplines_1st_der_weight (const pos_type relative_position, const BSplineType spline_type) |
return value of the first derivative of the spline | |
template<typename pos_type > | |
pos_type | BSplines_weights (const pos_type relative_position, const BSplineType spline_type) |
return spline value | |
const PieceWiseFunction< pos_type > & | bspline_function (BSplineType type) |
template<typename posT > | |
posT | cubic_BSplines_weight (const posT relative_position) |
template<typename posT > | |
posT | oMoms_weight (const posT relative_position) |
template<typename posT > | |
posT | cubic_BSplines_1st_der_weight (const posT relative_position) |
template<typename posT > | |
posT | BSplines_1st_der_weight (const posT relative_position, const BSplineType spline_type) |
template<typename posT > | |
posT | BSplines_weights (const posT relative_position, const BSplineType spline_type) |
Namespace for functions and classes for B-Spline interpolation in the STIR library.