#include <processor.h>
Inheritance diagram for EMAN::LaplacianProcessor:
Public Member Functions | |
string | get_name () const |
Get the processor's name. | |
string | get_desc () const |
Get the descrition of this specific processor. | |
Static Public Member Functions | |
static Processor * | NEW () |
Static Public Attributes | |
static const string | NAME = "math.laplacian" |
Protected Member Functions | |
void | create_kernel () const |
Edge enchancement, but works poorly in the presence of noise. Laplacian processor (x -> d^2/dx^2 + d^2/dy^2 + d^2/dz^2).
Definition at line 2872 of file processor.h.
void LaplacianProcessor::create_kernel | ( | ) | const [protected, virtual] |
Implements EMAN::AreaProcessor.
Definition at line 1707 of file processor.cpp.
References EMAN::AreaProcessor::areasize, EMAN::AreaProcessor::kernel, and EMAN::AreaProcessor::nz.
01708 { 01709 if (nz == 1) { 01710 memset(kernel, 0, areasize * areasize); 01711 kernel[1] = -0.25f; 01712 kernel[3] = -0.25f; 01713 kernel[5] = -0.25f; 01714 kernel[7] = -0.25f; 01715 kernel[4] = 1; 01716 } 01717 else { 01718 memset(kernel, 0, (size_t)areasize * areasize * areasize); 01719 kernel[4] = -1.0f / 6.0f; 01720 kernel[10] = -1.0f / 6.0f; 01721 kernel[12] = -1.0f / 6.0f; 01722 kernel[14] = -1.0f / 6.0f; 01723 kernel[16] = -1.0f / 6.0f; 01724 kernel[22] = -1.0f / 6.0f; 01725 kernel[13] = 1; 01726 } 01727 }
string EMAN::LaplacianProcessor::get_desc | ( | ) | const [inline, virtual] |
Get the descrition of this specific processor.
This function must be overwritten by a subclass.
Reimplemented from EMAN::AreaProcessor.
Definition at line 2884 of file processor.h.
02885 { 02886 return "Discrete approximation to Laplacian. Edge enchancement, but works poorly in the presence of noise. Laplacian processor (x -> d^2/dx^2 + d^2/dy^2 + d^2/dz^2)."; 02887 }
string EMAN::LaplacianProcessor::get_name | ( | ) | const [inline, virtual] |
Get the processor's name.
Each processor is identified by a unique name.
Implements EMAN::Processor.
Definition at line 2875 of file processor.h.
References NAME.
02876 { 02877 return NAME; 02878 }
static Processor* EMAN::LaplacianProcessor::NEW | ( | ) | [inline, static] |
const string LaplacianProcessor::NAME = "math.laplacian" [static] |