EMAN::BoxSigmaProcessor Class Reference

pixel = standard deviation of values surrounding pixel. More...

#include <processor.h>

Inheritance diagram for EMAN::BoxSigmaProcessor:

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Collaboration diagram for EMAN::BoxSigmaProcessor:

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List of all members.

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 ProcessorNEW ()

Static Public Attributes

static const string NAME = "math.localsigma"

Protected Member Functions

void process_pixel (float *pixel, const float *data, int n) const

Detailed Description

pixel = standard deviation of values surrounding pixel.

Definition at line 3064 of file processor.h.


Member Function Documentation

string EMAN::BoxSigmaProcessor::get_desc (  )  const [inline, virtual]

Get the descrition of this specific processor.

This function must be overwritten by a subclass.

Returns:
The description of this processor.

Implements EMAN::Processor.

Definition at line 3076 of file processor.h.

03077                 {
03078                         return "pixel = standard deviation of values surrounding pixel.";
03079                 }

string EMAN::BoxSigmaProcessor::get_name (  )  const [inline, virtual]

Get the processor's name.

Each processor is identified by a unique name.

Returns:
The processor's name.

Implements EMAN::Processor.

Definition at line 3067 of file processor.h.

References NAME.

03068                 {
03069                         return NAME;
03070                 }

static Processor* EMAN::BoxSigmaProcessor::NEW (  )  [inline, static]

Definition at line 3071 of file processor.h.

03072                 {
03073                         return new BoxSigmaProcessor();
03074                 }

void EMAN::BoxSigmaProcessor::process_pixel ( float *  pixel,
const float *  data,
int  n 
) const [inline, protected, virtual]

Implements EMAN::BoxStatProcessor.

Definition at line 3084 of file processor.h.

References mean(), and sqrt().

03085                 {
03086                         float sum = 0;
03087                         float square_sum = 0;
03088                         for (int i = 0; i < n; i++)
03089                         {
03090                                 sum += data[i];
03091                                 square_sum += data[i] * data[i];
03092                         }
03093 
03094                         float mean = sum / n;
03095                         *pixel = sqrt(square_sum / n - mean * mean);
03096                 }


Member Data Documentation

const string BoxSigmaProcessor::NAME = "math.localsigma" [static]

Definition at line 3081 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Tue Jun 11 12:43:58 2013 for EMAN2 by  doxygen 1.4.7