Class containing functions to estimate corner-ness in various ways. More...

#include <vil3d_corners.h>

Public Member Functions
void	cornerness1 (const vil3d_image_view< srcT > &src_im, vil3d_image_view< destT > &cornerness)
	Computes cornerness measure for every pixel.
Public Attributes
vil3d_image_view< destT >	grad_i
	Workspace for gradient in i.
vil3d_image_view< destT >	grad_j
	Workspace for gradient in j.
vil3d_image_view< destT >	grad_k
	Workspace for gradient in k.
vil3d_image_view< destT >	grad_product_
	Workspace for product images.
vil3d_image_view< destT >	smooth_grad_product_
	Workspace for smoothed product images.
Private Member Functions
void	compute_smooth_gradient_products (const vil3d_image_view< srcT > &src_im)
	Compute gradients, products and smoothed versions.

Detailed Description

template<class srcT, class destT>
class vil3d_corners< srcT, destT >

Class containing functions to estimate corner-ness in various ways.

Implements 3D corner operators suggested by Karl Rohr

Definition at line 14 of file vil3d_corners.h.

Member Function Documentation

template<class srcT , class destT >

void vil3d_corners< srcT, destT >::compute_smooth_gradient_products ( const vil3d_image_view< srcT > & src_im ) [private]

Compute gradients, products and smoothed versions.

Definition at line 19 of file vil3d_corners.txx.

template<class srcT , class destT >

void vil3d_corners< srcT, destT >::cornerness1	(	const vil3d_image_view< srcT > &	src_im,
		vil3d_image_view< destT > &	cornerness
	)

Computes cornerness measure for every pixel.

At each pixel, computes det(N)/trace(N), where N is a matrix generated by smoothing over gradient product matrices M = (gi, gj, gk)' * (gi, gj, gk), where gi = i-gradient at a pixel etc.

This is the Op3 corner operator described by Rohr.

Definition at line 70 of file vil3d_corners.txx.