contrib/brl/bbas/imesh/algo/imesh_pca.cxx File Reference

#include "imesh_pca.h"
#include <imesh/imesh_fileio.h>
#include <vnl/vnl_vector.h>
#include <vnl/algo/vnl_svd.h>
#include <vcl_fstream.h>
#include <vcl_sstream.h>
#include <vcl_cassert.h>

Go to the source code of this file.

Functions
vcl_vector< vnl_matrix< double > >	imesh_pca_image_jacobians (const vpgl_proj_camera< double > &camera, const imesh_pca_mesh &mesh)
	Compute the image Jacobians at each vertex for PCA parameters in the result.
imesh_pca_mesh	imesh_read_pca (const vcl_string &mean_file, const vcl_string &pca_file)
	Read a PCA mesh from a mean mesh and a pca file.
bool	imesh_read_pca (const vcl_string &pca_file, vnl_vector< double > &mean, vnl_vector< double > &std_devs, vnl_matrix< double > &pc)
	Read a PCA file.
void	imesh_write_pca (const vcl_string &mesh_file, const vcl_string &pca_file, const imesh_pca_mesh &pmesh)
	Write the mean mesh and PCA file.
bool	imesh_write_pca (const vcl_string &filename, const vnl_vector< double > &mean, const vnl_vector< double > &svals, const vnl_matrix< double > &vars)
	Write a PCA file.

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Detailed Description

Definition in file imesh_pca.cxx.

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Function Documentation

vcl_vector<vnl_matrix<double> > imesh_pca_image_jacobians	(	const vpgl_proj_camera< double > &	camera,
		const imesh_pca_mesh &	mesh
	)

Compute the image Jacobians at each vertex for PCA parameters in the result.

Compute the image Jacobians at each vertex for PCA parameters in the result:.

Matrix n, row i is the image space derivative at vertex n with respect to the ith pca parameter

Definition at line 233 of file imesh_pca.cxx.

imesh_pca_mesh imesh_read_pca	(	const vcl_string &	mean_file,
		const vcl_string &	pca_file
	)

Read a PCA mesh from a mean mesh and a pca file.

Definition at line 269 of file imesh_pca.cxx.

bool imesh_read_pca	(	const vcl_string &	pca_file,
		vnl_vector< double > &	mean,
		vnl_vector< double > &	std_devs,
		vnl_matrix< double > &	pc
	)

Read a PCA file.

Definition at line 282 of file imesh_pca.cxx.

void imesh_write_pca	(	const vcl_string &	mesh_file,
		const vcl_string &	pca_file,
		const imesh_pca_mesh &	pmesh
	)

Write the mean mesh and PCA file.

Definition at line 336 of file imesh_pca.cxx.

bool imesh_write_pca	(	const vcl_string &	filename,
		const vnl_vector< double > &	mean,
		const vnl_vector< double > &	svals,
		const vnl_matrix< double > &	vars
	)

Write a PCA file.

Definition at line 358 of file imesh_pca.cxx.