#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 2834 of file processor.h.
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Implements EMAN::AreaProcessor. Definition at line 1679 of file processor.cpp. 01680 { 01681 if (nz == 1) { 01682 memset(kernel, 0, areasize * areasize); 01683 kernel[1] = -0.25f; 01684 kernel[3] = -0.25f; 01685 kernel[5] = -0.25f; 01686 kernel[7] = -0.25f; 01687 kernel[4] = 1; 01688 } 01689 else { 01690 memset(kernel, 0, (size_t)areasize * areasize * areasize); 01691 kernel[4] = -1.0f / 6.0f; 01692 kernel[10] = -1.0f / 6.0f; 01693 kernel[12] = -1.0f / 6.0f; 01694 kernel[14] = -1.0f / 6.0f; 01695 kernel[16] = -1.0f / 6.0f; 01696 kernel[22] = -1.0f / 6.0f; 01697 kernel[13] = 1; 01698 } 01699 }
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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 2846 of file processor.h. 02847 { 02848 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)."; 02849 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 2837 of file processor.h. 02838 {
02839 return NAME;
02840 }
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Definition at line 2841 of file processor.h. 02842 { 02843 return new LaplacianProcessor(); 02844 }
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Definition at line 114 of file processor.cpp. |