A processor for noise reduction. More...

#include <processor.h>

Inheritance diagram for EMAN::BoxMedianProcessor:

Collaboration diagram for EMAN::BoxMedianProcessor:

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Public Member Functions
string	get_name () const
	Get the processor's name. More...

string	get_desc () const
	Get the descrition of this specific processor. More...

Public Member Functions inherited from EMAN::BoxStatProcessor
virtual void	process_inplace (EMData *image)
	To process an image in-place. More...

virtual EMData *	process (EMData *image)

TypeDict	get_param_types () const
	Get processor parameter information in a dictionary. More...

Public Member Functions inherited from EMAN::Processor
virtual	~Processor ()

virtual EMData *	process (const EMData *const image)
	To proccess an image out-of-place. More...

virtual void	process_list_inplace (vector< EMData * > &images)
	To process multiple images using the same algorithm. More...

virtual Dict	get_params () const
	Get the processor parameters in a key/value dictionary. More...

virtual void	set_params (const Dict &new_params)
	Set the processor parameters using a key/value dictionary. More...

Static Public Member Functions
static Processor *	NEW ()

Static Public Member Functions inherited from EMAN::BoxStatProcessor
static string	get_group_desc ()

Static Public Member Functions inherited from EMAN::Processor
static string	get_group_desc ()
	Get the description of this group of processors. More...

static void	EMFourierFilterInPlace (EMData *fimage, Dict params)
	Compute a Fourier-filter processed image in place. More...

static EMData *	EMFourierFilter (EMData *fimage, Dict params)
	Compute a Fourier-processor processed image without altering the original image. More...

Static Public Attributes
static const string	NAME = "eman1.filter.median"

Protected Member Functions
void	process_pixel (float pixel, const float array, int n) const

Additional Inherited Members
Public Types inherited from EMAN::Processor
enum	fourier_filter_types { TOP_HAT_LOW_PASS , TOP_HAT_HIGH_PASS , TOP_HAT_BAND_PASS , TOP_HOMOMORPHIC , GAUSS_LOW_PASS , GAUSS_HIGH_PASS , GAUSS_BAND_PASS , GAUSS_INVERSE , GAUSS_HOMOMORPHIC , BUTTERWORTH_LOW_PASS , BUTTERWORTH_HIGH_PASS , BUTTERWORTH_HOMOMORPHIC , KAISER_I0 , KAISER_SINH , KAISER_I0_INVERSE , KAISER_SINH_INVERSE , SHIFT , TANH_LOW_PASS , TANH_HIGH_PASS , TANH_HOMOMORPHIC , TANH_BAND_PASS , RADIAL_TABLE , CTF_ }
	Fourier filter Processor type enum. More...

Protected Attributes inherited from EMAN::Processor
Dict	params

Detailed Description

A processor for noise reduction.

pixel = median of values surrounding pixel.

Definition at line 4507 of file processor.h.

Member Function Documentation

◆ get_desc()

string EMAN::BoxMedianProcessor::get_desc ( ) const

inlinevirtual

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 4519 of file processor.h.

                {
                        return "A processor for noise reduction. pixel = median of values surrounding pixel.";
                }

◆ get_name()

string EMAN::BoxMedianProcessor::get_name ( ) const

inlinevirtual

Get the processor's name.

Each processor is identified by a unique name.

Returns: The processor's name.

Implements EMAN::Processor.

Definition at line 4510 of file processor.h.

                {
                        return NAME;
                }

References NAME.

◆ NEW()

static Processor * EMAN::BoxMedianProcessor::NEW ( )

inlinestatic

Definition at line 4514 of file processor.h.

                {
                        return new BoxMedianProcessor();
                }

◆ process_pixel()

void EMAN::BoxMedianProcessor::process_pixel	(	float *	pixel,
		const float *	array,
		int	n
	)		const

inlineprotectedvirtual

Implements EMAN::BoxStatProcessor.

Definition at line 4527 of file processor.h.

                {
                        float *data = new float[n];
                        memcpy(data, array, sizeof(float) * n);
 
                        for (int i = 0; i <= n / 2; i++)
                        {
                                for (int j = i + 1; j < n; j++)
                                {
                                        if (data[i] < data[j]) {
                                                float t = data[i];
                                                data[i] = data[j];
                                                data[j] = t;
                                        }
                                }
                        }
 
                        if (n % 2 != 0)
                        {
                                *pixel = data[n / 2];
                        }
                        else {
                                *pixel = (data[n / 2] + data[n / 2 - 1]) / 2;
                        }
                        if( data )
                        {
                                delete[]data;
                                data = 0;
                        }
                }

Member Data Documentation

◆ NAME

const string BoxMedianProcessor::NAME = "eman1.filter.median"

static

Definition at line 4524 of file processor.h.

Referenced by get_name().

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

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Additional Inherited Members