Classifier to extract regions of interest. More...

#include <>>

Inheritance diagram for firevision::Classifier:

Public Member Functions
	Classifier (const char *name)
	Constructor.
virtual	~Classifier ()
	Destructor.
virtual void	set_src_buffer (unsigned char *yuv422_planar, unsigned int width, unsigned int height)
	Set source buffer.
virtual const char *	name () const
	Get name of classifier.
virtual ROIList *	classify ()=0
	Classify image.
Protected Attributes
unsigned char *	_src
	Source buffer, encoded as YUV422_PLANAR.
unsigned int	_width
	Width in pixels of _src buffer.
unsigned int	_height
	Height in pixels of _src buffer.

Detailed Description

Classifier to extract regions of interest.

The classifier finds regions of interest (ROI) by some a priori knowledge like known colors or shapes. The list of ROIs returned by classify() _must_ be disjunct, meaning that no ROIs overlap each other. Do appropriate merging or shrinking of the ROIs. See the ReallySimpleClassifier for an example.

Author:: Tim Niemueller

Constructor & Destructor Documentation

firevision::Classifier::Classifier ( const char * name )

Constructor.

Parameters:

name	classifier name

Definition at line 54 of file classifier.cpp.

firevision::Classifier::~Classifier ( ) [virtual]

Destructor.

Definition at line 64 of file classifier.cpp.

Member Function Documentation

std::list< ROI > * firevision::Classifier::classify ( ) [pure virtual]

Classify image.

The current buffer is processed and scanned for the features the classifier has been written and initialized for. It returns a list of disjunct regions of interest.

Returns:: disjunct list of extracted regions of interest

Implemented in firevision::SurfClassifier, firevision::SiftppClassifier, firevision::SiftClassifier, firevision::FacesClassifier, firevision::SimpleColorClassifier, and firevision::GradientClassifier.

const char * firevision::Classifier::name ( ) const [virtual]

Get name of classifier.

Returns:: name of classifier.

Definition at line 91 of file classifier.cpp.

void firevision::Classifier::set_src_buffer	(	unsigned char *	yuv422_planar,
		unsigned int	width,
		unsigned int	height
	)		`[virtual]`

Set source buffer.

Parameters:

yuv422_planar	a YUV422 planar buffer with the source image to classify. The classifier may NOT modify the image in any way. If that is required the classifier shall make a copy of the image.
width	width of buffer in pixels
height	height of buffer in pixels

Reimplemented in firevision::GradientClassifier.

Definition at line 78 of file classifier.cpp.