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Introduction

This widget provide an easy way for use a video and detect people in the areas selected in your dashboard.

This CrowdDetector widget need a service running as middleware between you and a kurento media server. You can find an instance of this service on FIWARE Lab (https://wirecloudkurento.lab.fiware.org/). This server is used by default, but you can deploy your own version and configure this widget for using it instead.

Latest version of this widget is always provided in FIWARE lab where you can make use of it on the Mashup portal

Settings

  • Server URL - URL of the crowddetector server. - Default: wss://wirecloudkurento.lab.fiware.org/crowddetector
  • User Camera - If checked the widget will use the local webcam, if not will use a remote video. - Default: true
  • File Path - The remote URL or path in the server (absolute with file:// or relative) to load when User Camera is unchecked. - Default: videos/6.mp4

Wiring

Input Endpoints

None

Output Endpoints

  • CrowdDetector Fluidity Output - Type :: JSON (in String). Send the fluidity data of all the Region Of Interest drawed periodically if there are changes to a Google Graph widget that is installed in with the ChartsStarterKit
  • CrowdDetector Occupancy Output - Type :: JSON (in String). Send the occupancy data of all the Region Of Interest drawed periodically if there are changes to a Google Graph widget that is installed in with the ChartsStarterKit

Usage

Use a remote video.

You have to uncheck the User Camera setting and set in the File Path setting the video you want.

The video path can be a remote video (http://...) or a video name available on the server (See service documentation for more details about how to load video).

Set polygons to detect.

When you have a video (or local webcam) loaded, the mode will be setted to Editing and will be green.

Once you can edit, when you click you will set a vertex and will add an edge with the previous vertex (if exists).

When you want to finish a polygon you can do a double-click (will add a vertex and finish with that) or click the first vertex of the polygon.

You can add all the polygons you want.

Send the video with the polygons to detect.

Once you've finish at least one polygon, you have to ways to send the polygons to the server and start detecting.

  1. Press the Editing button to stop the edit.
  2. Wait 5 seconds without add or drag any vertex.

Reference

Copyright and License

Copyright 2015 CoNWeT Lab., Universidad Politecnica de Madrid

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.