#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 | |
Processor * | NEW () |
Static Public Attributes | |
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 2915 of file processor.h.
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Implements EMAN::AreaProcessor. Definition at line 1720 of file processor.cpp. 01721 { 01722 if (nz == 1) { 01723 memset(kernel, 0, areasize * areasize); 01724 kernel[1] = -0.25f; 01725 kernel[3] = -0.25f; 01726 kernel[5] = -0.25f; 01727 kernel[7] = -0.25f; 01728 kernel[4] = 1; 01729 } 01730 else { 01731 memset(kernel, 0, (size_t)areasize * areasize * areasize); 01732 kernel[4] = -1.0f / 6.0f; 01733 kernel[10] = -1.0f / 6.0f; 01734 kernel[12] = -1.0f / 6.0f; 01735 kernel[14] = -1.0f / 6.0f; 01736 kernel[16] = -1.0f / 6.0f; 01737 kernel[22] = -1.0f / 6.0f; 01738 kernel[13] = 1; 01739 } 01740 }
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Get the descrition of this specific processor. This function must be overwritten by a subclass.
Reimplemented from EMAN::AreaProcessor. Definition at line 2927 of file processor.h. 02928 { 02929 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)."; 02930 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 2918 of file processor.h. 02919 {
02920 return NAME;
02921 }
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Definition at line 2922 of file processor.h. 02923 { 02924 return new LaplacianProcessor(); 02925 }
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Definition at line 114 of file processor.cpp. |