108 lines
4.1 KiB
C
108 lines
4.1 KiB
C
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/*
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* Software License Agreement (BSD License)
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*
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* Point Cloud Library (PCL) - www.pointclouds.org
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* Copyright (c) 2010-2011, Willow Garage, Inc.
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Willow Garage, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#pragma once
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#include <pcl/common/common.h>
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#include <ostream>
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#include <vector>
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namespace pcl {
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/** Utility class interface which is used for creating and evaluating features. */
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template <class FeatureType, class DataSet, class ExampleIndex>
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class PCL_EXPORTS FeatureHandler {
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public:
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/** Destructor. */
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virtual ~FeatureHandler(){};
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/** Creates random features.
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*
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* \param[in] num_of_features the number of random features to create
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* \param[out] features the destination for the created features
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*/
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virtual void
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createRandomFeatures(const std::size_t num_of_features,
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std::vector<FeatureType>& features) = 0;
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/** Evaluates a feature on the specified data.
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*
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* \param[in] feature the features to evaluate
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* \param[in] data_set the data set on which the feature is evaluated
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* \param[in] examples the examples which specify on which parts of the data set the
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* feature is evaluated
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* \param[out] results the destination for the results of the feature evaluation
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* \param[out] flags flags that are supplied together with the
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* results
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*/
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virtual void
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evaluateFeature(const FeatureType& feature,
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DataSet& data_set,
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std::vector<ExampleIndex>& examples,
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std::vector<float>& results,
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std::vector<unsigned char>& flags) const = 0;
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/** Evaluates a feature on the specified data.
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*
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* \param[in] feature the features to evaluate
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* \param[in] data_set the data set on which the feature is evaluated
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* \param[in] example the examples which specify on which parts of the data set the
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* feature is evaluated
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* \param[out] result the destination for the results of the feature evaluation
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* \param[out] flag flags that are supplied together with the results
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*/
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virtual void
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evaluateFeature(const FeatureType& feature,
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DataSet& data_set,
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const ExampleIndex& example,
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float& result,
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unsigned char& flag) const = 0;
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/** Generates evaluation code for the specified feature and writes it to the specified
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* stream
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*
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* \param[in] feature the feature for which code is generated
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* \param[out] stream the destination for the code
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*/
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virtual void
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generateCodeForEvaluation(const FeatureType& feature,
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::std::ostream& stream) const = 0;
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};
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} // namespace pcl
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