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A Thesis Presented to the Department of Information Systems and Computer Science Juan Miguel L. Andres, Marika Gianina H. Fernandez Advised by Dr. Ma. Mercedes T. Rodrigo. EMOTIV EPOC™ IN THE IMPLEMENTATION OF A SMART ROOM. Introduction. Paraplegia

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A Thesis Presented to the

Department of Information Systems and Computer Science

Juan Miguel L. Andres, MarikaGianina H. Fernandez

Advised by Dr. Ma. Mercedes T. Rodrigo

EMOTIV EPOC™ IN THE IMPLEMENTATION OF A SMART ROOM


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Introduction

  • Paraplegia

    • Disability: result of spinal cord injuries

    • Without control of lower limbs

    • Paraplegic individuals are usually dependent on either crutches or wheelchairs to maneuver around a room

  • Assistive Technology

    • Aims to offer these individuals greater convenience in performing otherwise impossible tasks

  • Emotiv EPOC™

    • Gaming peripheral that detects brainwaves


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Main Goal

  • Be able to aid paraplegic individuals in maneuvering around a room via the Emotiv EPOC™

  • How?

    • By allowing them to control different electronics through the Emotiv EPOC™, thus minimizing the need for movement.


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Research Questions

  • Research Questions:

    • What types of cognitive thought would be appropriate for mapping to enable maximum efficiency and ease-of-use?

    • What are the easiest cognitive and emotive thoughts to train for a normal user?

    • How do we map each cognitive thought and emotive thought to each control for the air-conditioner and television set?

    • How do we translate the decoded Emotiv Signals into IR signals in order to control the appliances?

    • Is it possible for to create an interface which could work with different brands of air-conditioners and television types?

    • Is it possible to use affective states to control an appliance as well?


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Scope and Limitations/ Significance

  • Scope and Limitations:

    • Paraplegic individuals

    • Not mentally impaired

  • Significance:

    • Beneficial to paraplegic individuals

      • Emotiv is significantly more cost-efficient than other brain-computer interfaces

      • Aid in maneuvering around a room

    • Springboard for newer, better innovations and further studies


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Review of Related Literature

An Overview of Related Studies and Works


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Review of Related Literature

  • Brain-Computer Interfaces – Interfaces controlled directly or indirectly by the user’s brain activity

    • Four essential features:

      • Signal acquisition

      • Signal processing

      • Device output

      • Operating protocol

    • Examples in application:

      • Gaming

      • Robot control

      • Smart Room control


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Review of Related Literature

  • Brain-Computer Interfaces

    • Challenges/ Difficulties:

      • Hardware – wear-and-tear, electric damage, infection, hardware sensitivity

      • Software – training sessions

  • Assistive Technology – devices that aid in accomplishing daily living tasks

    • Computer access aids


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Review of Related Literature

  • Implementation of Emotiv EPOC in a Smart Room

    • Home Systems

    • School Systems

    • Leisure

    • Hospital Systems

  • Combination of the Home and Hospital Systems



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Explanation of Components

Neuroheadset

Detects Cognitiv, Affectiv, Expressiv

Bluetooth USB

Receives headset signals

PC (program)

Processes data received from headset

IR USB Dongle

Accepts the protocols from program

Sends signals

Television Set

Air-conditioner


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Methodology I : System Development

  • Phase 1: Systems Development

    • Developing the User Interface

      • Visual C++, Qt add-in for the GUI’s

    • Mapping Signals to the UI’s

    • Hardware Integration

      • Emotiv Headset

      • USB Receiver

      • PC

      • IR Dongle

      • Appliances


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A Virtual Reality

Graphical User Interface

Looks like a room

Simulates Emotiv commands


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Methodology II: Testing

  • Phase 2: Testing Phase

    • User Profile

      • 18-25 years old

      • Computer literate

      • With/without prior knowledge of Emotiv

      • Understands English

      • Normal motor capabalities


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Methodology 3

  • Phase 2: Testing Phase

    • Methodology

      • Screening

      • Orientation

      • Gathering of background information

      • Testing and data collection

      • Post-testing

      • Debriefing

    • Reporting of Results


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Initial Results: Systems Development

  • Application Functionalities for the

    television set:

    • Turning the television on

    • Turning the television off

    • Browsing one channel up

    • Browsing one channel down

    • Increasing volume

    • Decreasing volume


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Initial Results: Systems Development

  • Application Functionalities for the

    air-conditioning unit:

    • Turning the unit on

    • Turning the unit off

    • Increasing the temperature

    • Decreasing the temperature

    • Increasing fan speed

    • Decreasing fan speed



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Data Logger

  • Tracks specific actions done

    • Push, pull, lift, drop, rotate right, rotate left

  • Lists time intervals in which these actions occurred.

  • Stopped manually (when a key is pressed)

  • Creates a .txt file which presents data in a tabular manner


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Continuing Development

  • Preliminary Testing using the Emotiv EPOCTM simulator

  • Integrating the IR dongle into the system

  • Final testing phase



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