ObjectDetector.h

Go to the documentation of this file.

/* XBoost: Ada-Boost and Friends on Haar/ICF/HOG Features, Library and ToolBox
 *
 * Copyright (c) 2008-2014 Paolo Medici <medici@ce.unipr.it>
 * Copyright (c) 2013-2014 Luca Castangia <l.caio@ce.unipr.it>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef _OBJECT_DETECTOR_H
#define _OBJECT_DETECTOR_H

#include <vector>
#include <iostream>
#include "Types.h"
#include "Image.h"
#include "Thread/thread.h" // hardware_concurrency
#include "Candidate.h"

struct ObjectDetectorParams {
    bool enabled;
    int category;
    double th;
    int step_mode;
    int downsampling;

    std::vector<std::pair<int,int> > m_srcSearchRanges;
    std::vector<rect> m_searchRoi;

    size sz;

    ObjectDetectorParams() : enabled(true), category(0), th(0.0), step_mode(1), downsampling(1), sz(0,0) { }
};

struct ObjectDetectorGlobalParams {
    int octave_mode;
    int nScales;
    int concurrent_jobs;


    ObjectDetectorGlobalParams() : octave_mode(1), nScales(4), concurrent_jobs(sprint::thread::hardware_concurrency() ) { }
};

class ObjectDetector {

public:

    virtual ~ObjectDetector();

    virtual std::string getSignature() const = 0;

    virtual int addClassifier(const char* pth_cls, const ObjectDetectorParams & params) = 0;

    virtual void setClassifierParams(int index,  const ObjectDetectorParams & params) = 0;
    virtual const ObjectDetectorParams & getClassifierParams(int index) = 0;

    virtual void setParams(const ObjectDetectorGlobalParams & params) = 0;
    virtual const ObjectDetectorGlobalParams & getParams() const = 0;

    virtual void Detect(std::vector<Candidate>& out, const ImageHandle & src) = 0;

};


#endif