color_histogram_label_match.h

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// -*- mode: c++ -*-
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#ifndef JSK_PERCEPTION_COLOR_HISTOGRAM_LABEL_MATCH_H_
#define JSK_PERCEPTION_COLOR_HISTOGRAM_LABEL_MATCH_H_

#include <jsk_topic_tools/diagnostic_nodelet.h>
#include <sensor_msgs/Image.h>
#include <jsk_recognition_msgs/ColorHistogram.h>

#include <message_filters/subscriber.h>
#include <message_filters/synchronizer.h>
#include <message_filters/sync_policies/exact_time.h>
#include <message_filters/sync_policies/approximate_time.h>
#include <message_filters/pass_through.h>
#include <jsk_perception/ColorHistogramLabelMatchConfig.h>
#include <dynamic_reconfigure/server.h>

#include <opencv2/opencv.hpp>

namespace jsk_perception
{
  class ColorHistogramLabelMatch: public jsk_topic_tools::DiagnosticNodelet
  {
  public:
    typedef ColorHistogramLabelMatchConfig Config;
    //typedef message_filters::sync_policies::ExactTime<
    typedef message_filters::sync_policies::ApproximateTime<
      sensor_msgs::Image,         // image
      sensor_msgs::Image,         // label
      sensor_msgs::Image          // mask
      > SyncPolicy;
    typedef message_filters::sync_policies::ApproximateTime<
      sensor_msgs::Image,         // image
      sensor_msgs::Image         // label
      > SyncPolicyWithoutMask;

    ColorHistogramLabelMatch(): DiagnosticNodelet("ColorHistogramLabelMatch") {}
  protected:
    virtual void onInit();
    virtual void subscribe();
    virtual void unsubscribe();
    virtual void match(
      const sensor_msgs::Image::ConstPtr& image_msg,
      const sensor_msgs::Image::ConstPtr& label_msg,
      const sensor_msgs::Image::ConstPtr& mask_msg);
    virtual void match(
      const sensor_msgs::Image::ConstPtr& image_msg,
      const sensor_msgs::Image::ConstPtr& label_msg);
    virtual void histogramCallback(
      const jsk_recognition_msgs::ColorHistogram::ConstPtr& histogram_msg);
    virtual bool isMasked(const cv::Mat& original_image,
                          const cv::Mat& masked_image);
    virtual void getLabels(const cv::Mat& label, std::vector<int>& labels);
    virtual void getMaskImage(const cv::Mat& label_image,
                                 const int label,
                                 cv::Mat& mask);
    virtual double coefficients(const cv::Mat& ref_hist,
                                const cv::Mat& target_hist);
    virtual void configCallback(Config &config, uint32_t level);
    
    float max_value_;
    float min_value_;
    float coef_threshold_;
    float masked_coefficient_;
    int threshold_method_;
    bool use_mask_;
    boost::mutex mutex_;
    boost::shared_ptr<dynamic_reconfigure::Server<Config> > srv_;
    boost::shared_ptr<message_filters::Synchronizer<SyncPolicy> > sync_;
    boost::shared_ptr<message_filters::Synchronizer<SyncPolicyWithoutMask> > sync_wo_mask_;
    message_filters::Subscriber<sensor_msgs::Image> sub_image_;
    message_filters::Subscriber<sensor_msgs::Image> sub_label_;
    message_filters::Subscriber<sensor_msgs::Image> sub_mask_;
    int coefficient_method_;
    ros::Subscriber sub_histogram_;
    cv::Mat histogram_;
    ros::Publisher pub_debug_;
    ros::Publisher pub_coefficient_image_;
    ros::Publisher pub_mask_;
    ros::Publisher pub_result_;
  private:
    
  };
}

#endif