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Overview

MultiSense is a perception framework that enables multiple sensing and understanding modules to inter-operate simultaneously, broadcasting data through the Perception Markup Language. MultiSense currently contains GAVAM, CLM FaceTracker and FAAST which can be used with a webcam or Kinect. The Toolkit provides an example of how to use the MultiSense framework (also known as multimodal framework, developed by Multicomp Lab).

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Each module is implemented within the MultiSense framework and runs in separate threads in a synchronized manner. The output from the MultiSense framework is PML (the pml xml schema can be found at PML.xsd; please cite the IVA paper referenced here if you wish to use this PML) sent via vrPerception messages (through VHMSG VHMsg).

The Toolkit includes two main components that use MultiSense:

  • ssi_vhmsger (\core\multisense\ssi_vhmsger\)
    This is the core application that uses MultiSense .  It will only work if you have a web cam and it only works if there is a webcam installed on the system. This application integrates many different MultiSense components like vision, audio and analysis into a single application that outputs PML.
  • PerceptionTest (\core\multisense\PerceptionApplication)
    This application is a middle-man between the ssi_vhmsger and any other application which plans to use the PML for specific capabilities. For example, in the Toolkit, this application takes the PML as input   (via the vrPerception message) and outputs messages to Smartbody to mimic the head orientation of the detected user.

Users

MultiSense currently supports multiple modules, including a vision module (for tracking face features like smile, gaze, attention, activity, etc) and a speech recognition module. To use MultiSense, run the MultiSense application, and it . It will broadcast vrPerception messages (based on PML) generated by each module, which can be received by any other module or external component.

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Two components are required to make full use of MultiSense, : the MultiSense Application , and the Perception Application.

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To run the MultiSense Application, either:

  • Run the application from the Launcher (go to the 'Perception Components' tab)
  • Navigate to \bin\multisense\ssi_vhmsger\bin folder and run "run.bat".

By default, only the Gavam and CLM facetrackers are turned on (for the toolkit; otherwise only the Gavam is turned on).

Notes:

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.  If you wish to change the configuration for running other modules:

  • Edit , you can edit \bin\multisense\ssi_vhmsger\bin\config.ini and change the "useXXXX" parameter to "true" to make a module work.
  • If the dependencies for the module are not setup correctly, the ssi_vhmsger will crash.
  • If you want to run running FAAST, make sure the "useKinect" as well as "useFAAST" parameters are both "true" in the config.ini.
  • Make sure to have a web cam A webcam must be connected to the computer.
  • If the application fails to start, one of the dependencies might be missing.
  • ssi_vhmsger will not exist exit when you click the "Kill" button from the launcher is clicked. Also, if you kill it's killed from the launcher, the ssi tool will turn yellow.

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To run the PerceptionTest application, either:

  • Run it from the Launcher (go to the 'Perception Components' tab)
  • Navigate to \bin\multisense\PerceptionTest\ and run "PerceptionTest.exe".

Please contact either Unknown User (suri) or Unknown User (stratou) if you have any issues in running the application

Developers

Setting up the MultiSense

To setup the MultiSense, the user will need to checkout the repository from -

https://svn.ict.usc.edu/svn_vision/Projects/trunk/ssi-ict

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You can check out the detailed description of how to setup the project at the following location -

vrPerception messages with SSI-ICT framework

As an illustration of integration, the please check out the following link (integrates the toolkit with MultiSense)

VHToolkit with Perception

If there is a problem with installing MultiSense, please contact Unknown User (suri) or Unknown User (stratou).

Message API

Sends:

  • vrComponent

 

Receives:

  • vrPerception
  • vrPerceptionProtocol
  • vrAllCall
  • vrKillComponent (does not react to it yet)

Known Issues

  • The MultiSense Application currently does not listen to the vrKillComponent message, which means if the user tries . The application must be manually closed; attempts to kill it from the Launcher , it will turn will cause it to highlight yellow and not close. The user has to manually close the application.
  • If the application does not seem appear to start up, make sure your camera is working properly. Also, if there is camera.option file present at the location "\bin\multisense\ssi_vhmsger\bin", delete it and try to run the application again. If there is a problem with running MultiSense, please contact us at vh-support@ict.usc.edu
  • If the user enables Gavam and sees a big red X appears on the screen after GAVAM is enable, it means that Gavam GAVAM is not able to detect the face properly. CurrentlyThe application needs to be restarted; currently, there is no other way to reset (other than restarting the application). The user can restart CLM tracker can be restarted, though, by right clicking the output window.

FAQ

See the Main FAQ for frequently asked questions regarding the installer. Please use the Google Groups emailing list for unlisted questions.