587 lines
24 KiB
Text
587 lines
24 KiB
Text
// Copyright (C) 2007 by Cristóbal Carnero Liñán
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// grendel.ccl@gmail.com
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//
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// This file is part of cvBlob.
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//
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// cvBlob is free software: you can redistribute it and/or modify
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// it under the terms of the Lesser GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// cvBlob is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// Lesser GNU General Public License for more details.
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//
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// You should have received a copy of the Lesser GNU General Public License
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// along with cvBlob. If not, see <http://www.gnu.org/licenses/>.
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//
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/// \file cvblob.h
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/// \brief OpenCV Blob header file.
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#ifdef SWIG
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%module cvblob
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%{
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#include "cvblob.h"
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%}
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#endif
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#ifndef CVBLOB_H
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#define CVBLOB_H
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#include <iostream>
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#include <map>
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#include <list>
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#include <vector>
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#include <limits>
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#if (defined(_WIN32) || defined(__WIN32__) || defined(__TOS_WIN__) || defined(__WINDOWS__) || (defined(__APPLE__) & defined(__MACH__)))
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#include <cv.h>
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#elif (CV_MAJOR_VERSION == 2) && (CV_MINOR_VERSION < 2)
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#include <opencv/cv.h>
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#else
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#include <opencv2/opencv.hpp>
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#endif
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#ifndef __CV_BEGIN__
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#define __CV_BEGIN__ __BEGIN__
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#endif
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#ifndef __CV_END__
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#define __CV_END__ __END__
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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namespace cvb
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{
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////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Contours
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// Chain code:
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// 7 0 1
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// 6 2
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// 5 4 3
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#define CV_CHAINCODE_UP 0 ///< Up.
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#define CV_CHAINCODE_UP_RIGHT 1 ///< Up and right.
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#define CV_CHAINCODE_RIGHT 2 ///< Right.
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#define CV_CHAINCODE_DOWN_RIGHT 3 ///< Down and right.
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#define CV_CHAINCODE_DOWN 4 ///< Down.
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#define CV_CHAINCODE_DOWN_LEFT 5 ///< Down and left.
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#define CV_CHAINCODE_LEFT 6 ///< Left.
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#define CV_CHAINCODE_UP_LEFT 7 ///< Up and left.
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/// \brief Move vectors of chain codes.
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/// \see CV_CHAINCODE_UP
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/// \see CV_CHAINCODE_UP_LEFT
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/// \see CV_CHAINCODE_LEFT
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/// \see CV_CHAINCODE_DOWN_LEFT
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/// \see CV_CHAINCODE_DOWN
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/// \see CV_CHAINCODE_DOWN_RIGHT
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/// \see CV_CHAINCODE_RIGHT
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/// \see CV_CHAINCODE_UP_RIGHT
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const char cvChainCodeMoves[8][2] = { { 0, -1},
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{ 1, -1},
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{ 1, 0},
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{ 1, 1},
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{ 0, 1},
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{-1, 1},
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{-1, 0},
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{-1, -1}
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};
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/// \brief Direction.
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/// \see CV_CHAINCODE_UP
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/// \see CV_CHAINCODE_UP_LEFT
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/// \see CV_CHAINCODE_LEFT
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/// \see CV_CHAINCODE_DOWN_LEFT
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/// \see CV_CHAINCODE_DOWN
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/// \see CV_CHAINCODE_DOWN_RIGHT
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/// \see CV_CHAINCODE_RIGHT
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/// \see CV_CHAINCODE_UP_RIGHT
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typedef unsigned char CvChainCode;
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/// \brief Chain code.
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/// \see CvChainCode
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typedef std::list<CvChainCode> CvChainCodes;
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/// \brief Chain code contour.
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/// \see CvChainCodes
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struct CvContourChainCode
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{
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CvPoint startingPoint; ///< Point where contour begin.
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CvChainCodes chainCode; ///< Polygon description based on chain codes.
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};
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typedef std::list<CvContourChainCode *> CvContoursChainCode; ///< List of contours (chain codes type).
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/// \brief Polygon based contour.
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typedef std::vector<CvPoint> CvContourPolygon;
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/// \fn void cvRenderContourChainCode(CvContourChainCode const *contour, IplImage const *img, CvScalar const &color=CV_RGB(255, 255, 255))
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/// \brief Draw a contour.
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/// \param contour Chain code contour.
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/// \param img Image to draw on.
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/// \param color Color to draw (default, white).
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/// \see CvContourChainCode
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void cvRenderContourChainCode(CvContourChainCode const *contour, IplImage const *img, CvScalar const &color=CV_RGB(255, 255, 255));
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/// \fn CvContourPolygon *cvConvertChainCodesToPolygon(CvContourChainCode const *cc)
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/// \brief Convert a chain code contour to a polygon.
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/// \param cc Chain code contour.
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/// \return A polygon.
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/// \see CvContourChainCode
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/// \see CvContourPolygon
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CvContourPolygon *cvConvertChainCodesToPolygon(CvContourChainCode const *cc);
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/// \fn void cvRenderContourPolygon(CvContourPolygon const *contour, IplImage *img, CvScalar const &color=CV_RGB(255, 255, 255))
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/// \brief Draw a polygon.
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/// \param contour Polygon contour.
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/// \param img Image to draw on.
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/// \param color Color to draw (default, white).
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/// \see CvContourPolygon
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void cvRenderContourPolygon(CvContourPolygon const *contour, IplImage *img, CvScalar const &color=CV_RGB(255, 255, 255));
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/// \fn double cvContourPolygonArea(CvContourPolygon const *p)
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/// \brief Calculates area of a polygonal contour.
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/// \param p Contour (polygon type).
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/// \return Area of the contour.
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double cvContourPolygonArea(CvContourPolygon const *p);
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/// \fn double cvContourChainCodePerimeter(CvContourChainCode const *c)
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/// \brief Calculates perimeter of a chain code contour.
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/// \param c Contour (chain code type).
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/// \return Perimeter of the contour.
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double cvContourChainCodePerimeter(CvContourChainCode const *c);
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/// \fn double cvContourPolygonPerimeter(CvContourPolygon const *p)
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/// \brief Calculates perimeter of a polygonal contour.
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/// \param p Contour (polygon type).
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/// \return Perimeter of the contour.
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double cvContourPolygonPerimeter(CvContourPolygon const *p);
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/// \fn double cvContourPolygonCircularity(const CvContourPolygon *p)
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/// \brief Calculates the circularity of a polygon (compactness measure).
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/// \param p Contour (polygon type).
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/// \return Circularity: a non-negative value, where 0 correspond with a circumference.
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double cvContourPolygonCircularity(const CvContourPolygon *p);
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/// \fn CvContourPolygon *cvSimplifyPolygon(CvContourPolygon const *p, double const delta=1.)
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/// \brief Simplify a polygon reducing the number of vertex according the distance "delta".
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/// Uses a version of the Ramer-Douglas-Peucker algorithm (http://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm).
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/// \param p Contour (polygon type).
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/// \param delta Minimun distance.
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/// \return A simplify version of the original polygon.
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CvContourPolygon *cvSimplifyPolygon(CvContourPolygon const *p, double const delta=1.);
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/// \fn CvContourPolygon *cvPolygonContourConvexHull(CvContourPolygon const *p)
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/// \brief Calculates convex hull of a contour.
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/// Uses the Melkman Algorithm. Code based on the version in http://w3.impa.br/~rdcastan/Cgeometry/.
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/// \param p Contour (polygon type).
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/// \return Convex hull.
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CvContourPolygon *cvPolygonContourConvexHull(CvContourPolygon const *p);
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/// \fn void cvWriteContourPolygonCSV(const CvContourPolygon& p, const std::string& filename)
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/// \brief Write a contour to a CSV (Comma-separated values) file.
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/// \param p Polygon contour.
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/// \param filename File name.
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void cvWriteContourPolygonCSV(const CvContourPolygon& p, const std::string& filename);
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/// \fn void cvWriteContourPolygonSVG(const CvContourPolygon& p, const std::string& filename, const CvScalar& stroke=cvScalar(0,0,0), const CvScalar& fill=cvScalar(255,255,255))
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/// \brief Write a contour to a SVG file (http://en.wikipedia.org/wiki/Scalable_Vector_Graphics).
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/// \param p Polygon contour.
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/// \param filename File name.
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/// \param stroke Stroke color (black by default).
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/// \param fill Fill color (white by default).
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void cvWriteContourPolygonSVG(const CvContourPolygon& p, const std::string& filename, const CvScalar& stroke=cvScalar(0,0,0), const CvScalar& fill=cvScalar(255,255,255));
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////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Blobs
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/// \brief Type of label.
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/// \see IPL_DEPTH_LABEL
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typedef unsigned int CvLabel;
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//typedef unsigned char CvLabel;
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/// \def IPL_DEPTH_LABEL
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/// \brief Size of a label in bits.
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/// \see CvLabel
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#define IPL_DEPTH_LABEL (sizeof(cvb::CvLabel)*8)
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/// \def CV_BLOB_MAX_LABEL
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/// \brief Max label number.
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/// \see CvLabel.
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#define CV_BLOB_MAX_LABEL std::numeric_limits<CvLabel>::max()
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/// \brief Type of identification numbers.
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typedef unsigned int CvID;
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/// \brief Struct that contain information about one blob.
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struct CvBlob
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{
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CvLabel label; ///< Label assigned to the blob.
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union
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{
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unsigned int area; ///< Area (moment 00).
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unsigned int m00; ///< Moment 00 (area).
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};
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unsigned int minx; ///< X min.
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unsigned int maxx; ///< X max.
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unsigned int miny; ///< Y min.
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unsigned int maxy; ///< y max.
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CvPoint2D64f centroid; ///< Centroid.
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double m10; ///< Moment 10.
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double m01; ///< Moment 01.
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double m11; ///< Moment 11.
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double m20; ///< Moment 20.
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double m02; ///< Moment 02.
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double u11; ///< Central moment 11.
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double u20; ///< Central moment 20.
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double u02; ///< Central moment 02.
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double n11; ///< Normalized central moment 11.
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double n20; ///< Normalized central moment 20.
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double n02; ///< Normalized central moment 02.
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double p1; ///< Hu moment 1.
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double p2; ///< Hu moment 2.
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CvContourChainCode contour; ///< Contour.
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CvContoursChainCode internalContours; ///< Internal contours.
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};
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/// \var typedef std::map<CvLabel,CvBlob *> CvBlobs
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/// \brief List of blobs.
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/// A map is used to access each blob from its label number.
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/// \see CvLabel
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/// \see CvBlob
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typedef std::map<CvLabel,CvBlob *> CvBlobs;
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/// \var typedef std::pair<CvLabel,CvBlob *> CvLabelBlob
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/// \brief Pair (label, blob).
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/// \see CvLabel
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/// \see CvBlob
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typedef std::pair<CvLabel,CvBlob *> CvLabelBlob;
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/// \fn unsigned int cvLabel (IplImage const *img, IplImage *imgOut, CvBlobs &blobs);
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/// \brief Label the connected parts of a binary image.
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/// Algorithm based on paper "A linear-time component-labeling algorithm using contour tracing technique" of Fu Chang, Chun-Jen Chen and Chi-Jen Lu.
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/// \param img Input binary image (depth=IPL_DEPTH_8U and num. channels=1).
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/// \param imgOut Output image (depth=IPL_DEPTH_LABEL and num. channels=1).
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/// \param blobs List of blobs.
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/// \return Number of pixels that has been labeled.
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unsigned int cvLabel (IplImage const *img, IplImage *imgOut, CvBlobs &blobs);
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//IplImage *cvFilterLabel(IplImage *imgIn, CvLabel label);
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/// \fn void cvFilterLabels(IplImage *imgIn, IplImage *imgOut, const CvBlobs &blobs)
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/// \brief Draw a binary image with the blobs that have been given.
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/// \param imgIn Input image (depth=IPL_DEPTH_LABEL and num. channels=1).
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/// \param imgOut Output binary image (depth=IPL_DEPTH_8U and num. channels=1).
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/// \param blobs List of blobs to be drawn.
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/// \see cvLabel
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void cvFilterLabels(IplImage *imgIn, IplImage *imgOut, const CvBlobs &blobs);
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/// \fn CvLabel cvGetLabel(IplImage const *img, unsigned int x, unsigned int y)
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/// \brief Get the label value from a labeled image.
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/// \param img Label image.
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/// \param x X coordenate.
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/// \param y Y coordenate.
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/// \return Label value.
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/// \see CvLabel
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CvLabel cvGetLabel(IplImage const *img, unsigned int x, unsigned int y);
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/// \fn inline void cvReleaseBlob(CvBlob *blob)
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/// \brief Clear a blob structure.
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/// \param blob Blob.
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/// \see CvBlob
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inline void cvReleaseBlob(CvBlob *blob)
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{
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if (blob)
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{
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for (CvContoursChainCode::iterator jt=blob->internalContours.begin(); jt!=blob->internalContours.end(); ++jt)
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{
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CvContourChainCode *contour = *jt;
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if (contour)
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delete contour;
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}
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blob->internalContours.clear();
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delete blob;
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}
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}
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/// \fn inline void cvReleaseBlobs(CvBlobs &blobs)
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/// \brief Clear blobs structure.
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/// \param blobs List of blobs.
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/// \see CvBlobs
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inline void cvReleaseBlobs(CvBlobs &blobs)
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{
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for (CvBlobs::iterator it=blobs.begin(); it!=blobs.end(); ++it)
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{
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cvReleaseBlob((*it).second);
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}
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blobs.clear();
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}
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/// \fn CvLabel cvGreaterBlob(const CvBlobs &blobs)
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/// \brief Find greater blob.
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/// \param blobs List of blobs.
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/// \return Label of the greater blob or 0 if there are no blobs.
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/// \see cvLabel
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CvLabel cvGreaterBlob(const CvBlobs &blobs);
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/// \fn void cvFilterByArea(CvBlobs &blobs, unsigned int minArea, unsigned int maxArea)
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/// \brief Filter blobs by area.
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/// Those blobs whose areas are not in range will be erased from the input list of blobs.
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/// \param blobs List of blobs.
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/// \param minArea Minimun area.
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/// \param maxArea Maximun area.
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void cvFilterByArea(CvBlobs &blobs, unsigned int minArea, unsigned int maxArea);
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/// \fn void cvFilterByLabel(CvBlobs &blobs, CvLabel label)
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/// \brief Filter blobs by label.
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/// Delete all blobs except those with label l.
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/// \param blobs List of blobs.
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/// \param label Label to leave.
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void cvFilterByLabel(CvBlobs &blobs, CvLabel label);
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/// \fn inline CvPoint2D64f cvCentroid(CvBlob *blob)
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/// \brief Calculates centroid.
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/// Centroid will be returned and stored in the blob structure.
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/// \param blob Blob whose centroid will be calculated.
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/// \return Centroid.
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/// \see CvBlob
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inline CvPoint2D64f cvCentroid(CvBlob *blob)
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{
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return blob->centroid=cvPoint2D64f(blob->m10/blob->area, blob->m01/blob->area);
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}
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/// \fn double cvAngle(CvBlob *blob)
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/// \brief Calculates angle orientation of a blob.
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/// This function uses central moments so cvCentralMoments should have been called before for this blob.
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/// \param blob Blob.
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/// \return Angle orientation in radians.
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/// \see cvCentralMoments
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/// \see CvBlob
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double cvAngle(CvBlob *blob);
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/// \fn cvSaveImageBlob(const char *filename, IplImage *img, CvBlob const *blob)
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/// \brief Save the image of a blob to a file.
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/// The function uses an image (that can be the original pre-processed image or a processed one, or even the result of cvRenderBlobs, for example) and a blob structure.
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/// Then the function saves a copy of the part of the image where the blob is.
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/// \param filename Name of the file.
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/// \param img Image.
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/// \param blob Blob.
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/// \see CvBlob
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/// \see cvRenderBlob
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void cvSaveImageBlob(const char *filename, IplImage *img, CvBlob const *blob);
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#define CV_BLOB_RENDER_COLOR 0x0001 ///< Render each blog with a different color. \see cvRenderBlobs
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#define CV_BLOB_RENDER_CENTROID 0x0002 ///< Render centroid. \see cvRenderBlobs
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#define CV_BLOB_RENDER_BOUNDING_BOX 0x0004 ///< Render bounding box. \see cvRenderBlobs
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#define CV_BLOB_RENDER_ANGLE 0x0008 ///< Render angle. \see cvRenderBlobs
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#define CV_BLOB_RENDER_TO_LOG 0x0010 ///< Print blob data to log out. \see cvRenderBlobs
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#define CV_BLOB_RENDER_TO_STD 0x0020 ///< Print blob data to std out. \see cvRenderBlobs
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/// \fn void cvRenderBlob(const IplImage *imgLabel, CvBlob *blob, IplImage *imgSource, IplImage *imgDest, unsigned short mode=0x000f, CvScalar const &color=CV_RGB(255, 255, 255), double alpha=1.)
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/// \brief Draws or prints information about a blob.
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/// \param imgLabel Label image (depth=IPL_DEPTH_LABEL and num. channels=1).
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/// \param blob Blob.
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/// \param imgSource Input image (depth=IPL_DEPTH_8U and num. channels=3).
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/// \param imgDest Output image (depth=IPL_DEPTH_8U and num. channels=3).
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/// \param mode Render mode. By default is CV_BLOB_RENDER_COLOR|CV_BLOB_RENDER_CENTROID|CV_BLOB_RENDER_BOUNDING_BOX|CV_BLOB_RENDER_ANGLE.
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/// \param color Color to render (if CV_BLOB_RENDER_COLOR is used).
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/// \param alpha If mode CV_BLOB_RENDER_COLOR is used. 1.0 indicates opaque and 0.0 translucent (1.0 by default).
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/// \see CV_BLOB_RENDER_COLOR
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/// \see CV_BLOB_RENDER_CENTROID
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/// \see CV_BLOB_RENDER_BOUNDING_BOX
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/// \see CV_BLOB_RENDER_ANGLE
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/// \see CV_BLOB_RENDER_TO_LOG
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/// \see CV_BLOB_RENDER_TO_STD
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void cvRenderBlob(const IplImage *imgLabel, CvBlob *blob, IplImage *imgSource, IplImage *imgDest, unsigned short mode=0x000f, CvScalar const &color=CV_RGB(255, 255, 255), double alpha=1.);
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/// \fn void cvRenderBlobs(const IplImage *imgLabel, CvBlobs &blobs, IplImage *imgSource, IplImage *imgDest, unsigned short mode=0x000f, double alpha=1.)
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/// \brief Draws or prints information about blobs.
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/// \param imgLabel Label image (depth=IPL_DEPTH_LABEL and num. channels=1).
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/// \param blobs List of blobs.
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/// \param imgSource Input image (depth=IPL_DEPTH_8U and num. channels=3).
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/// \param imgDest Output image (depth=IPL_DEPTH_8U and num. channels=3).
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/// \param mode Render mode. By default is CV_BLOB_RENDER_COLOR|CV_BLOB_RENDER_CENTROID|CV_BLOB_RENDER_BOUNDING_BOX|CV_BLOB_RENDER_ANGLE.
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/// \param alpha If mode CV_BLOB_RENDER_COLOR is used. 1.0 indicates opaque and 0.0 translucent (1.0 by default).
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/// \see CV_BLOB_RENDER_COLOR
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/// \see CV_BLOB_RENDER_CENTROID
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/// \see CV_BLOB_RENDER_BOUNDING_BOX
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/// \see CV_BLOB_RENDER_ANGLE
|
||
/// \see CV_BLOB_RENDER_TO_LOG
|
||
/// \see CV_BLOB_RENDER_TO_STD
|
||
void cvRenderBlobs(const IplImage *imgLabel, CvBlobs &blobs, IplImage *imgSource, IplImage *imgDest, unsigned short mode=0x000f, double alpha=1.);
|
||
|
||
/// \fn void cvSetImageROItoBlob(IplImage *img, CvBlob const *blob)
|
||
/// \brief Set the ROI of an image to the bounding box of a blob.
|
||
/// \param img Image.
|
||
/// \param blob Blob.
|
||
/// \see CvBlob
|
||
inline void cvSetImageROItoBlob(IplImage *img, CvBlob const *blob)
|
||
{
|
||
cvSetImageROI(img, cvRect(blob->minx, blob->miny, blob->maxx-blob->minx, blob->maxy-blob->miny));
|
||
};
|
||
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
// Color
|
||
|
||
/// \fn CvScalar cvBlobMeanColor(CvBlob const *blob, IplImage const *imgLabel, IplImage const *img)
|
||
/// \brief Calculates mean color of a blob in an image.
|
||
/// \param blob Blob.
|
||
/// \param imgLabel Image of labels.
|
||
/// \param img Original image.
|
||
/// \return Average color.
|
||
CvScalar cvBlobMeanColor(CvBlob const *blob, IplImage const *imgLabel, IplImage const *img);
|
||
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
// Aux
|
||
|
||
/// \fn double cvDotProductPoints(CvPoint const &a, CvPoint const &b, CvPoint const &c)
|
||
/// \brief Dot product of the vectors ab and bc.
|
||
/// \param a First point.
|
||
/// \param b Middle point.
|
||
/// \param c Last point.
|
||
/// \return Dot product of ab and bc.
|
||
double cvDotProductPoints(CvPoint const &a, CvPoint const &b, CvPoint const &c);
|
||
|
||
/// \fn double cvCrossProductPoints(CvPoint const &a, CvPoint const &b, CvPoint const &c)
|
||
/// \brief Cross product of the vectors ab and bc.
|
||
/// \param a Point.
|
||
/// \param b Point.
|
||
/// \param c Point.
|
||
/// \return Cross product of ab and bc.
|
||
double cvCrossProductPoints(CvPoint const &a, CvPoint const &b, CvPoint const &c);
|
||
|
||
/// \fn double cvDistancePointPoint(CvPoint const &a, CvPoint const &b)
|
||
/// \brief Distance between two points.
|
||
/// \param a Point.
|
||
/// \param b Point.
|
||
/// \return Distance.
|
||
double cvDistancePointPoint(CvPoint const &a, CvPoint const &b);
|
||
|
||
/// \fn double cvDistanceLinePoint(CvPoint const &a, CvPoint const &b, CvPoint const &c, bool isSegment=true)
|
||
/// \brief Distance between line ab and point c.
|
||
/// \param a First point of the segment.
|
||
/// \param b Second point of the segment.
|
||
/// \param c Point.
|
||
/// \param isSegment If false then the distance will be calculated from the line defined by the points a and b, to the point c.
|
||
/// \return Distance between ab and c.
|
||
double cvDistanceLinePoint(CvPoint const &a, CvPoint const &b, CvPoint const &c, bool isSegment=true);
|
||
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
// Tracking
|
||
|
||
/// \brief Struct that contain information about one track.
|
||
/// \see CvID
|
||
/// \see CvLabel
|
||
struct CvTrack
|
||
{
|
||
CvID id; ///< Track identification number.
|
||
|
||
CvLabel label; ///< Label assigned to the blob related to this track.
|
||
|
||
unsigned int minx; ///< X min.
|
||
unsigned int maxx; ///< X max.
|
||
unsigned int miny; ///< Y min.
|
||
unsigned int maxy; ///< y max.
|
||
|
||
CvPoint2D64f centroid; ///< Centroid.
|
||
|
||
unsigned int lifetime; ///< Indicates how much frames the object has been in scene.
|
||
unsigned int active; ///< Indicates number of frames that has been active from last inactive period.
|
||
unsigned int inactive; ///< Indicates number of frames that has been missing.
|
||
};
|
||
|
||
/// \var typedef std::map<CvID, CvTrack *> CvTracks
|
||
/// \brief List of tracks.
|
||
/// \see CvID
|
||
/// \see CvTrack
|
||
typedef std::map<CvID, CvTrack *> CvTracks;
|
||
|
||
/// \var typedef std::pair<CvID, CvTrack *> CvIDTrack
|
||
/// \brief Pair (identification number, track).
|
||
/// \see CvID
|
||
/// \see CvTrack
|
||
typedef std::pair<CvID, CvTrack *> CvIDTrack;
|
||
|
||
/// \fn inline void cvReleaseTracks(CvTracks &tracks)
|
||
/// \brief Clear tracks structure.
|
||
/// \param tracks List of tracks.
|
||
/// \see CvTracks
|
||
inline void cvReleaseTracks(CvTracks &tracks)
|
||
{
|
||
for (CvTracks::iterator it=tracks.begin(); it!=tracks.end(); it++)
|
||
{
|
||
CvTrack *track = (*it).second;
|
||
if (track) delete track;
|
||
}
|
||
|
||
tracks.clear();
|
||
}
|
||
|
||
/// \fn cvUpdateTracks(CvBlobs const &b, CvTracks &t, const double thDistance, const unsigned int thInactive, const unsigned int thActive=0)
|
||
/// \brief Updates list of tracks based on current blobs.
|
||
/// Tracking based on:
|
||
/// A. Senior, A. Hampapur, Y-L Tian, L. Brown, S. Pankanti, R. Bolle. Appearance Models for
|
||
/// Occlusion Handling. Second International workshop on Performance Evaluation of Tracking and
|
||
/// Surveillance Systems & CVPR'01. December, 2001.
|
||
/// (http://www.research.ibm.com/peoplevision/PETS2001.pdf)
|
||
/// \param b List of blobs.
|
||
/// \param t List of tracks.
|
||
/// \param thDistance Max distance to determine when a track and a blob match.
|
||
/// \param thInactive Max number of frames a track can be inactive.
|
||
/// \param thActive If a track becomes inactive but it has been active less than thActive frames, the track will be deleted.
|
||
/// \see CvBlobs
|
||
/// \see Tracks
|
||
void cvUpdateTracks(CvBlobs const &b, CvTracks &t, const double thDistance, const unsigned int thInactive, const unsigned int thActive=0);
|
||
|
||
#define CV_TRACK_RENDER_ID 0x0001 ///< Print the ID of each track in the image. \see cvRenderTracks
|
||
#define CV_TRACK_RENDER_BOUNDING_BOX 0x0002 ///< Draw bounding box of each track in the image. \see cvRenderTracks
|
||
#define CV_TRACK_RENDER_TO_LOG 0x0010 ///< Print track info to log out. \see cvRenderTracks
|
||
#define CV_TRACK_RENDER_TO_STD 0x0020 ///< Print track info to log out. \see cvRenderTracks
|
||
|
||
/// \fn void cvRenderTracks(CvTracks const tracks, IplImage *imgSource, IplImage *imgDest, unsigned short mode=0x00ff, CvFont *font=NULL)
|
||
/// \brief Prints tracks information.
|
||
/// \param tracks List of tracks.
|
||
/// \param imgSource Input image (depth=IPL_DEPTH_8U and num. channels=3).
|
||
/// \param imgDest Output image (depth=IPL_DEPTH_8U and num. channels=3).
|
||
/// \param mode Render mode. By default is CV_TRACK_RENDER_ID|CV_TRACK_RENDER_BOUNDING_BOX.
|
||
/// \param font OpenCV font for print on the image.
|
||
/// \see CV_TRACK_RENDER_ID
|
||
/// \see CV_TRACK_RENDER_BOUNDING_BOX
|
||
/// \see CV_TRACK_RENDER_TO_LOG
|
||
/// \see CV_TRACK_RENDER_TO_STD
|
||
void cvRenderTracks(CvTracks const tracks, IplImage *imgSource, IplImage *imgDest, unsigned short mode=0x000f, CvFont *font=NULL);
|
||
}
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
/// \fn std::ostream& operator<< (std::ostream& output, const cvb::CvBlob& b)
|
||
/// \brief Overload operator "<<" for printing blob structure.
|
||
/// \return Stream.
|
||
std::ostream& operator<< (std::ostream& output, const cvb::CvBlob& b);
|
||
|
||
/// \fn std::ostream& operator<< (std::ostream& output, const cvb::CvContourPolygon& p)
|
||
/// \brief Overload operator "<<" for printing polygons in CSV format.
|
||
/// \return Stream.
|
||
std::ostream& operator<< (std::ostream& output, const cvb::CvContourPolygon& p);
|
||
|
||
/// \fn std::ostream& operator<< (std::ostream& output, const cvb::CvTrack& t)
|
||
/// \brief Overload operator "<<" for printing track structure.
|
||
/// \return Stream.
|
||
std::ostream& operator<< (std::ostream& output, const cvb::CvTrack& t);
|
||
#endif
|