Project: engagement_recognition License: BSD Dependencies: engagement_msgs engagement_srvs roscpp Used by: None All Packages

engagement_recognition/src/recognition/statistics/timeline.cpp Go to the documentation of this file. /* * Software License Agreement (BSD License) * * Copyright (c) 2010, Worcester Polytechnic Institute * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of Worcester Polytechnic Institute. nor the names * of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ // @author Brett Ponsler (bponsler (at) wpi (dot) edu) #include "timeline.h" #include "../recognizers/recognizer_factory.h" #include "../lib/engagement_params.h" Timeline::Timeline() { ros::NodeHandle *handle_ = EngagementParams::getConfHandle(); // Attempt to grab the parameters from the param server // NOTE: Make sure this parameter is stored in seconds handle_->param(engagement::WINDOW_SIZE_PARAM, this->window_size_, (double)5.0); // Use the default values for the rest of the properties this->delay_time_ = Duration(); this->between_time_ = Duration(); this->num_failures_ = 0; this->interaction_start_time_ = 1; // Update the windows this->all_events_.setWindowSize(this->window_size_); this->success_events_.setWindowSize(this->window_size_); } void Timeline::setWindowSize(double window_size) { this->window_size_ = abs(window_size); // Update the window with the new window size. this->updateWindow(); } double Timeline::getWindowSize() { return this->window_size_; } void Timeline::updateWindow() { this->all_events_.updateWindow(); this->success_events_.updateWindow(); } void Timeline::addEvent(std::string type, bool success, unsigned long start, unsigned long delay, unsigned long duration, std::string data) { // If this is the first event then we need to set the start time if (this->interaction_start_time_ == 1) this->interaction_start_time_ = CURRENT_TIME; // Create the new connection event ConnectionEvent ce = ConnectionEvent(type, success, start, delay, duration); // If the event failed, keep track of it // NOTE: Backchannel events cannot fail. if (!success && type != RecognizerFactory::getBackchannelType()) this->num_failures_++; // Add the connection event to the vector this->all_events_.addEvent(ce); // Add the event to the successful events if (ce.getSuccess()) this->success_events_.addEvent(ce); // Calculate the between time for this event and the previous event unsigned long between = this->all_events_.getTimeBetween(); // Add the events to the delay time, duration time and the between time // NOTE: Backchannel events don't get added into the delay if (type != RecognizerFactory::getBackchannelType()) this->delay_time_.event(delay); // Only add to the between time if the time exists if (between > 0) this->between_time_.event(between); // Add the duration time this->duration_time_.event(duration); // Update the window this->updateWindow(); } unsigned long Timeline::getMeanDelay() { // Return the mean of the delay duration object return this->delay_time_.getMean(); } unsigned long Timeline::getMaxDelay() { // Return the max of the delay duration object return this->delay_time_.getMax(); } unsigned long Timeline::getRecentMeanDelay() { return this->all_events_.getRecentMeanDelay(); } unsigned long Timeline::getRecentMaxDelay() { return this->all_events_.getRecentMaxDelay(); } unsigned long Timeline::getMeanDuration() { // Return the mean of the duration object return this->duration_time_.getMean(); } unsigned long Timeline::getMaxDuration() { // Return the max of the duration object return this->duration_time_.getMax(); } unsigned long Timeline::getRecentMeanDuration() { return this->all_events_.getRecentMeanDuration(); } unsigned long Timeline::getRecentMaxDuration() { return this->all_events_.getRecentMaxDuration(); } unsigned long Timeline::getMeanTBCE() { // Return the mean of the between duration object return this->between_time_.getMean(); } unsigned long Timeline::getMaxTBCE() { // Return the mean of the between duration object return this->between_time_.getMax(); } unsigned long Timeline::getRecentMeanTBCE() { return this->success_events_.getRecentMeanTBCE(); } unsigned long Timeline::getRecentMaxTBCE() { return this->success_events_.getRecentMaxTBCE(); } int Timeline::getFailureRate() { // Make sure the interaction has been started if (this->interaction_start_time_ == 1) return 0; // Calculate the total duration of the interaction unsigned long interaction_duration = CURRENT_TIME - this->interaction_start_time_; // Calculate the number of failed events per interaction time double rate_ms = (interaction_duration != 0 ? ((double)this->num_failures_ / (double)abs(interaction_duration)) : 0); // Return the number of failed connections per minute of time return (rate_ms * 60000); } int Timeline::getRecentFailureRate() { // Make sure the interaction has been started if (this->interaction_start_time_ == 1) return 0; else return this->all_events_.getRecentFailureRate(); }

---

engagement_recognition
Author(s): Brett Ponsler (bponsler (at) wpi (dot) edu)
autogenerated on Fri Sep 9 10:35:48 2011