EMAN2
Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions
EMAN::BoxSigmaProcessor Class Reference

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

#include <processor.h>

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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 3251 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 3263 of file processor.h.

                {
                        return "pixel = standard deviation of values surrounding pixel.";
                }
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 3254 of file processor.h.

References NAME.

                {
                        return NAME;
                }
static Processor* EMAN::BoxSigmaProcessor::NEW ( ) [inline, static]

Definition at line 3258 of file processor.h.

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

Implements EMAN::BoxStatProcessor.

Definition at line 3271 of file processor.h.

References mean(), and sqrt().

                {
                        float sum = 0;
                        float square_sum = 0;
                        for (int i = 0; i < n; i++)
                        {
                                sum += data[i];
                                square_sum += data[i] * data[i];
                        }

                        float mean = sum / n;
                        *pixel = sqrt(square_sum / n - mean * mean);
                }

Member Data Documentation

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

Definition at line 3268 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files: