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Diffstat (limited to 'src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/reco/shaperec/featureextractor/l7/L7ShapeFeature.cpp')
| -rw-r--r-- | src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/reco/shaperec/featureextractor/l7/L7ShapeFeature.cpp | 673 |
1 files changed, 673 insertions, 0 deletions
diff --git a/src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/reco/shaperec/featureextractor/l7/L7ShapeFeature.cpp b/src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/reco/shaperec/featureextractor/l7/L7ShapeFeature.cpp new file mode 100644 index 00000000..16eaaca4 --- /dev/null +++ b/src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/reco/shaperec/featureextractor/l7/L7ShapeFeature.cpp @@ -0,0 +1,673 @@ +/***************************************************************************************** +* Copyright (c) 2006 Hewlett-Packard Development Company, L.P. +* Permission is hereby granted, free of charge, to any person obtaining a copy of +* this software and associated documentation files (the "Software"), to deal in +* the Software without restriction, including without limitation the rights to use, +* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the +* Software, and to permit persons to whom the Software is furnished to do so, +* subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A +* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF +* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE +* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*****************************************************************************************/ + +/************************************************************************ + * SVN MACROS + * + * $LastChangedDate: 2008-02-20 10:03:51 +0530 (Wed, 20 Feb 2008) $ + * $Revision: 423 $ + * $Author: sharmnid $ + * + ************************************************************************/ +/************************************************************************ + * FILE DESCR : Implementation of L7ShapeFeature class + * AUTHOR : Naveen Sundar G. + * DATE : August 30, 2005 + * CHANGE HISTORY : + * Author Date Description of change + ************************************************************************/ + +#include "L7ShapeFeature.h" +#include "LTKStringUtil.h" +#include <sstream> + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : L7ShapeFeature +* DESCRIPTION : Constructor for the L7ShapeFeature class. +* ARGUMENTS : none +* RETURNS : +* NOTES : Initializes the string delimiter used in writing feature values to a file. +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +L7ShapeFeature::L7ShapeFeature(): +m_data_delimiter(",") +{ +} + +/*************************************************************************** +* AUTHOR : Nidhi Sharma +* DATE : 12-Dec-2007 +* NAME : L7ShapeFeature +* DESCRIPTION : Parameterized Constructor for the L7ShapeFeature class. +* ARGUMENTS : +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*****************************************************************************/ +L7ShapeFeature::L7ShapeFeature(float inX, float inY, float inXFirstDerv, + float inYFirstDerv, float inXSecondDerv, + float inYSecondDerv, float inCurvature, + bool inPenUp): +m_x(inX), +m_y(inY), +m_xFirstDerv(inXFirstDerv), +m_yFirstDerv(inYFirstDerv), +m_xSecondDerv(inXSecondDerv), +m_ySecondDerv(inYSecondDerv), +m_curvature(inCurvature), +m_penUp(inPenUp), +m_data_delimiter(",") +{ +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : ~L7ShapeFeature +* DESCRIPTION : Destructor for the L7ShapeFeature class +* ARGUMENTS : none +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +L7ShapeFeature::~L7ShapeFeature() +{ + +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : getX +* DESCRIPTION : Get method for the x co-ordinate value +* ARGUMENTS : none +* RETURNS : X co-ordinate of the shape feature +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +float L7ShapeFeature::getX() const +{ + return m_x; +} + + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : getY +* DESCRIPTION : Get method for the y co-ordinate value +* ARGUMENTS : none +* RETURNS : Y co-ordinate of the shape feature +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +float L7ShapeFeature::getY() const +{ + return m_y; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : getXFirstDerv +* DESCRIPTION : Get method for the first derivative value along the X axis +* ARGUMENTS : none +* RETURNS : First derivative value along the X axis. +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +float L7ShapeFeature::getXFirstDerv() const +{ + return m_xFirstDerv; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : getYFirstDerv +* DESCRIPTION : Get method for the first derivative value along the Y axis +* ARGUMENTS : none +* RETURNS : First derivative value along the Y axis. +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +float L7ShapeFeature::getYFirstDerv() const +{ + return m_yFirstDerv; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : getXSecondDerv +* DESCRIPTION : Get method for the second derivative value along the X axis. +* ARGUMENTS : none +* RETURNS : Second derivative value along the X axis. +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +float L7ShapeFeature::getXSecondDerv() const +{ + return m_xSecondDerv; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : getYSecondDerv +* DESCRIPTION : Get method for the second derivative value along the Y axis. +* ARGUMENTS : none +* RETURNS : Second derivative value along the Y axis. +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +float L7ShapeFeature::getYSecondDerv() const +{ + return m_ySecondDerv; +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : getCurvature +* DESCRIPTION : Get method for the curvature +* ARGUMENTS : none +* RETURNS : The curvature value +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +float L7ShapeFeature::getCurvature() const +{ + return m_curvature; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : isPenUp +* DESCRIPTION : Get method for the penUp +* ARGUMENTS : none +* RETURNS : The PenUp value +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +* Balaji MNA 01-July-2009 Rename getPenUp to isPenUp +*************************************************************************************/ +bool L7ShapeFeature::isPenUp() const +{ + return m_penUp; + +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : setX +* DESCRIPTION : Set method for the X co-ordinate value +* ARGUMENTS : X co-ordinate value to be set +* RETURNS : none +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::setX(float x) +{ + m_x = x; +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : setY +* DESCRIPTION : Set method for the Y co-ordinate value +* ARGUMENTS : Y co-ordinate value to be set +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::setY(float y) +{ + m_y = y; +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : setXFirstDerv +* DESCRIPTION : Set method for the first derivative along the X axis +* ARGUMENTS : The first derivative value along the X axis +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::setXFirstDerv(float xFirstDerv) +{ + m_xFirstDerv = xFirstDerv; +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : setYFirstDerv +* DESCRIPTION : Set method for the first derivative along the Y axis +* ARGUMENTS : The first derivative value along the Y axis to be set +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::setYFirstDerv(float yFirstDerv) +{ + m_yFirstDerv = yFirstDerv; +}/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : setXSecondDerv +* DESCRIPTION : Set method for the second derivative along the X axis +* ARGUMENTS : The second derivative value along the X axis to be set +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::setXSecondDerv(float xSecondDerv) +{ + m_xSecondDerv = xSecondDerv; +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : setYSecondDerv +* DESCRIPTION : Set method for the second derivative value along the y axis +* ARGUMENTS : The second derivative value along the Y axis to be set +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::setYSecondDerv(float ySecondDerv) +{ + m_ySecondDerv = ySecondDerv; +}/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : setCurvature +* DESCRIPTION : This method sets the curvature +* ARGUMENTS : The curvature value to be set +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::setCurvature(float curvature) +{ + m_curvature=curvature; +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : setPenUp +* DESCRIPTION : This method sets the penUp +* ARGUMENTS : The penUp value to be set +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::setPenUp(bool penUp) +{ + m_penUp=penUp; + + +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : clone +* DESCRIPTION : Clone method for an L7ShapeFeature object +* ARGUMENTS : none +* RETURNS : A copy of the invoking L7ShapeFeature object +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +LTKShapeFeaturePtr L7ShapeFeature::clone() const +{ + L7ShapeFeature* l7Inst = new L7ShapeFeature(); + + l7Inst->setX(this->getX()); + l7Inst->setY(this->getY()); + l7Inst->setXFirstDerv(this->getXFirstDerv()); + l7Inst->setYFirstDerv(this->getYFirstDerv()); + l7Inst->setXSecondDerv(this->getXSecondDerv()); + l7Inst->setYSecondDerv(this->getYSecondDerv()); + l7Inst->setCurvature(this->getCurvature()); + l7Inst->setPenUp(this->isPenUp()); + + return (LTKShapeFeaturePtr)l7Inst; +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : getDistance +* DESCRIPTION : Returns the distance between two L7ShapeFeature objects +* ARGUMENTS : An L7ShapeFeature object the distance of which is to be found from the invoking L7ShapeFeature object +* RETURNS : The squared Euclidean distance +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::getDistance(const LTKShapeFeaturePtr& shapeFeaturePtr, float& outDistance) const +{ + float xDiff = 0, yDiff = 0; + float xFirstDervDiff=0, yFirstDervDiff=0, xSecondDervDiff=0, ySecondDervDiff=0; + float curvatureDiff=0; + + L7ShapeFeature *inFeature = (L7ShapeFeature*)(shapeFeaturePtr.operator ->()); + + xDiff = m_x - inFeature->getX(); + yDiff = m_y - inFeature->getY(); + xFirstDervDiff = m_xFirstDerv - inFeature->getXFirstDerv(); + xFirstDervDiff = m_yFirstDerv - inFeature->getYFirstDerv(); + xSecondDervDiff = m_xSecondDerv - inFeature->getXSecondDerv(); + ySecondDervDiff = m_ySecondDerv - inFeature->getYSecondDerv(); + curvatureDiff = m_curvature - inFeature->getCurvature(); + + outDistance = ( (xDiff * xDiff) + (yDiff * yDiff) ); + outDistance += ( (xFirstDervDiff * xFirstDervDiff) + (yFirstDervDiff * yFirstDervDiff) ); + outDistance += ( (xSecondDervDiff * xSecondDervDiff) + (ySecondDervDiff * ySecondDervDiff) ); + outDistance += ( (curvatureDiff * curvatureDiff)); +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : initialize +* DESCRIPTION : This method initializes an L7ShapeFeature object from a string +* ARGUMENTS : The string containing the feature values +* RETURNS : SUCCESS on successful completion +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +int L7ShapeFeature::initialize(const string& initString) +{ + stringVector tokens; + + LTKStringUtil::tokenizeString(initString, m_data_delimiter, tokens); + + //Token size must be eight + if(tokens.size() != 8) + return FAILURE; //Returning an error + + m_x = LTKStringUtil::convertStringToFloat(tokens[0]); + m_y = LTKStringUtil::convertStringToFloat(tokens[1]); + m_xFirstDerv = LTKStringUtil::convertStringToFloat(tokens[2]); + m_yFirstDerv = LTKStringUtil::convertStringToFloat(tokens[3]); + m_xSecondDerv = LTKStringUtil::convertStringToFloat(tokens[4]); + m_ySecondDerv = LTKStringUtil::convertStringToFloat(tokens[5]); + m_curvature= LTKStringUtil::convertStringToFloat(tokens[6]); + + if(atoi(tokens[7].c_str()) == 1) + m_penUp = true; + else + m_penUp = false; + + return SUCCESS; +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : toString +* DESCRIPTION : This method prints the components of the feature object a string. +* ARGUMENTS : pointer to char +* RETURNS : The feature object in string format +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +void L7ShapeFeature::toString(string& strFeat) const +{ + ostringstream tempString; + + tempString << m_x << m_data_delimiter << m_y << m_data_delimiter << + m_xFirstDerv << m_data_delimiter << + m_yFirstDerv << m_data_delimiter << + m_xSecondDerv << m_data_delimiter << + m_ySecondDerv << m_data_delimiter << + m_curvature << m_data_delimiter << + m_penUp ; + + + strFeat = tempString.str(); + +} +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : addFeature +* DESCRIPTION : This method adds the passed L7ShapeFeature object to the invoking L7ShapeFeature object +* ARGUMENTS : The feature instance to be added +* RETURNS : The result feature object +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +int L7ShapeFeature::addFeature(const LTKShapeFeaturePtr& secondFeature, + LTKShapeFeaturePtr& outResult ) const +{ + L7ShapeFeature* resultFeature = new L7ShapeFeature(); + + L7ShapeFeature *inFeature = (L7ShapeFeature*)(secondFeature.operator ->()); + + resultFeature->setX(m_x + inFeature->getX()); + resultFeature->setY(m_y + inFeature->getY()); + resultFeature->setXFirstDerv(m_xFirstDerv + inFeature->getXFirstDerv()); + resultFeature->setYFirstDerv(m_yFirstDerv + inFeature->getYFirstDerv()); + resultFeature->setXSecondDerv(m_xSecondDerv + inFeature->getXSecondDerv()); + resultFeature->setYSecondDerv(m_ySecondDerv + inFeature->getYSecondDerv()); + resultFeature->setCurvature(m_curvature + inFeature->getCurvature()); + resultFeature->setPenUp(m_penUp); + + outResult = LTKShapeFeaturePtr(resultFeature); + + return SUCCESS; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : subtractFeature +* DESCRIPTION : This method subtracts the elements of the passed L7ShapeFeature object from the invoking L7ShapeFeature object. +* ARGUMENTS : +* RETURNS : The result feature object +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +int L7ShapeFeature::subtractFeature(const LTKShapeFeaturePtr& secondFeature, + LTKShapeFeaturePtr& outResult ) const +{ + L7ShapeFeature* resultFeature = new L7ShapeFeature(); + + L7ShapeFeature *inFeature = (L7ShapeFeature*)(secondFeature.operator ->()); + + resultFeature->setX(m_x-inFeature->getX()); + resultFeature->setY(m_y-inFeature->getY()); + resultFeature->setXFirstDerv(m_xFirstDerv - inFeature->getXFirstDerv()); + resultFeature->setYFirstDerv(m_yFirstDerv - inFeature->getYFirstDerv()); + resultFeature->setXSecondDerv(m_xSecondDerv - inFeature->getXSecondDerv()); + resultFeature->setYSecondDerv(m_ySecondDerv - inFeature->getYSecondDerv()); + resultFeature->setCurvature(m_curvature - inFeature->getCurvature()); + resultFeature->setPenUp(m_penUp); + + outResult = LTKShapeFeaturePtr(resultFeature); + + return SUCCESS; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : scaleFeature +* DESCRIPTION : This method mulitplies the elements of the invoking L7ShapeFeature object by alpha. +* ARGUMENTS : alpha which is the scaling factor +* RETURNS : The scaled feature object +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +int L7ShapeFeature::scaleFeature(float alpha, LTKShapeFeaturePtr& outResult) const +{ + L7ShapeFeature* resultFeature = new L7ShapeFeature(); + + resultFeature->setX(m_x * alpha); + resultFeature->setY(m_y * alpha); + resultFeature->setXFirstDerv(m_xFirstDerv * alpha); + resultFeature->setYFirstDerv(m_yFirstDerv * alpha); + resultFeature->setXSecondDerv(m_xSecondDerv * alpha); + resultFeature->setYSecondDerv(m_ySecondDerv * alpha); + resultFeature->setCurvature(m_curvature * alpha); + resultFeature->setPenUp(m_penUp); + + outResult = LTKShapeFeaturePtr(resultFeature); + + return SUCCESS; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : toFloatVector +* DESCRIPTION : This method converts the feature instance to a floatVector. +* ARGUMENTS : The float vector passed by reference +* RETURNS : 0 on success. +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +int L7ShapeFeature::toFloatVector(floatVector& floatVec) +{ + floatVec.push_back(m_x); + floatVec.push_back(m_y); + floatVec.push_back(m_xFirstDerv); + floatVec.push_back(m_yFirstDerv); + floatVec.push_back(m_xSecondDerv); + floatVec.push_back(m_ySecondDerv); + floatVec.push_back(m_curvature); + + if(m_penUp == true) + floatVec.push_back(1.0); + else + floatVec.push_back(0.0); + + return SUCCESS; +} + +/********************************************************************************** +* AUTHOR : Naveen Sundar G. +* DATE : 10-AUGUST-2007 +* NAME : toIntVector +* DESCRIPTION : This method converts the feature instance to an intVector. +* ARGUMENTS : The integer vector passed by reference +* RETURNS : 0 on success. +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +int L7ShapeFeature::toIntVector(intVector& intVec) +{ + intVec.push_back(m_x); + intVec.push_back(m_y); + intVec.push_back(m_xFirstDerv); + intVec.push_back(m_yFirstDerv); + intVec.push_back(m_xSecondDerv); + intVec.push_back(m_ySecondDerv); + intVec.push_back(m_curvature); + intVec.push_back(m_penUp); + + return SUCCESS; +} + +/*************************************************************************** +* AUTHOR : Nidhi Sharma +* DATE : 23-Apr-2008 +* NAME : initialize +* DESCRIPTION : +* ARGUMENTS : +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author: Date Description: + +*****************************************************************************/ +int L7ShapeFeature::initialize(const floatVector& initFloatVector) +{ + + if (initFloatVector.size() == 0) + { + return FAILURE; + } + + m_x = initFloatVector[0]; + m_y = initFloatVector[1]; + m_xFirstDerv = initFloatVector[2]; + m_yFirstDerv = initFloatVector[3]; + m_xSecondDerv = initFloatVector[4]; + m_ySecondDerv = initFloatVector[5]; + m_curvature = initFloatVector[6]; + + if(initFloatVector[7] == 1) + { + m_penUp = true; + } + else + { + m_penUp = false; + } + + return SUCCESS; +} + +/*************************************************************************** +* AUTHOR : Nidhi Sharma +* DATE : 23-Apr-2008 +* NAME : getFeatureDimension +* DESCRIPTION : +* ARGUMENTS : +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author: Date Description: + +*****************************************************************************/ + +int L7ShapeFeature::getFeatureDimension() +{ + return 8; +} |