finder.c

基于主成份分析（PCA）的人脸特征识别核心源程序。

/***
 **     libface - Library of face recognition and supporting algorithms
        Copyright (c) 2003 Stefan Farthofer

	This file is part of libface, which is

        free software; you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation; either version 2 of the License, or
        (at your option) any later version.

        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with this program; if not, write to the Free Software
        Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

	For further information seek us at http://sourceforge.net/projects/openbio/
**	or write an email to [e-mail] or [e-mail].
***/

#include <malloc.h>
#include <IL/IL.h>
#include "frbase.h"
#include "fr.h"
#include "cvfinder.h"


//just calls the corresponding finder method
int frFindFaces(int finder, FRimage* image, FRbox** boxes, unsigned int* nrBoxes) {
	if (finder != FR_FINDER_OPENCV) return FR_ERR_NOTIMPL;

    return cvFindFaces(image, boxes, nrBoxes);
}

//uses frFindFaces and our custom preprocessor (which should be selectable too)
int frFindFaceAndProcess(int finder, FRimage* in, FRimage** out, unsigned int w, unsigned int h) {
	int ret;
	FRbox *boxes;
	unsigned int nrBoxes;

	ret = frFindFaces(finder, in, &boxes, &nrBoxes);
	if (ret != FR_OK) return ret;
	if (nrBoxes == 0) return FR_NOTHING_FOUND;

    ret = frPreprocess(FR_PREPROC_PHILIPPG, in, out, boxes, w, h);
	free(boxes);
	return ret;
}