firevision::FilterSobel Class Reference

Sobel filter. More...

#include <filters/sobel.h>

Inheritance diagram for firevision::FilterSobel:

[legend]

List of all members.

Public Member Functions
	FilterSobel (orientation_t ori=ORI_HORIZONTAL)
	Constructor.
virtual void	generate_kernel (int *kernel, orientation_t ori)
	Generate a sobel kernel for the given orientation.
virtual void	apply ()
	Apply the filter.

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Detailed Description

Sobel filter.

Author:

Tim Niemueller

Definition at line 38 of file sobel.h.

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Constructor & Destructor Documentation

firevision::FilterSobel::FilterSobel

(

orientation_t

ori = ORI_HORIZONTAL

)

Constructor.

Parameters:

ori

edge orientation

Definition at line 44 of file sobel.cpp.

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Member Function Documentation

void firevision::FilterSobel::apply

(

)

[virtual]

Apply the filter.

Apply the filter to the given source and destination buffers with given width and height and orientation (ori may be ignored for some filters).

Implements firevision::Filter.

Definition at line 109 of file sobel.cpp.

References firevision::Filter::dst, firevision::Filter::dst_roi, generate_kernel(), firevision::ROI::height, firevision::ROI::line_step, firevision::Filter::ori, firevision::ROI::pixel_step, firevision::Filter::shrink_region(), firevision::Filter::src, firevision::Filter::src_roi, firevision::ROI::start, firevision::ROI::width, fawkes::point_t::x, and fawkes::point_t::y.

void firevision::FilterSobel::generate_kernel	(	int *	k,
		orientation_t	ori
	)			[virtual]

Generate a sobel kernel for the given orientation.

Parameters:

	k	matrix for the kernel of size 3x3, contains three lines concatenated into an one dimensional array.
	ori	requested orientation of the filter

Definition at line 56 of file sobel.cpp.

Referenced by apply().

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

• src/firevision/filters/sobel.h
• src/firevision/filters/sobel.cpp