core/vil/algo/vil_find_plateaus.h File Reference

Find plateau points in image. More...

#include <vil/vil_image_view.h>
#include <vcl_vector.h>

Go to the source code of this file.

Functions
template<class T >
bool	vil_is_plateau_3x3 (const T *im, vcl_ptrdiff_t i_step, vcl_ptrdiff_t j_step)
	True if pixel at *im is greater than or equal to all 8 neighbours.
template<class T >
void	vil_find_plateaus_3x3 (vcl_vector< unsigned > &pi, vcl_vector< unsigned > &pj, const vil_image_view< T > &image, const T &min_thresh, bool clear_list=true)
	Return (pi,pj) for all points in image greater than or equal to all 8 neighbours.

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Detailed Description

Find plateau points in image.

Based on vil_find_peaks.h

Author:

Tim Cootes, Kevin de Souza

Definition in file vil_find_plateaus.h.

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Function Documentation

template<class T >

void vil_find_plateaus_3x3	(	vcl_vector< unsigned > &	pi,
		vcl_vector< unsigned > &	pj,
		const vil_image_view< T > &	image,
		const T &	min_thresh,
		bool	clear_list = true
	)		[inline]

Return (pi,pj) for all points in image greater than or equal to all 8 neighbours.

Compute position of all local plateau points (pi[k],pj[k]) above given threshold value.

Parameters:

clear_list

If true (the default) then empty lists before adding new examples

See also:

vil_find_peaks_3x3()

Definition at line 34 of file vil_find_plateaus.h.

template<class T >

bool vil_is_plateau_3x3	(	const T *	im,
		vcl_ptrdiff_t	i_step,
		vcl_ptrdiff_t	j_step
	)		[inline]

True if pixel at *im is greater than or equal to all 8 neighbours.

See also:

vil_is_peak_3x3()

Definition at line 15 of file vil_find_plateaus.h.