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Emopad: An Affective Gamepad

by Pedro H. F. Bacchini, Jose Olimpio Ferreira, Talles Marcelo G De A. Barbosa
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 102 - Number 15
Year of Publication: 2014
Authors: Pedro H. F. Bacchini, Jose Olimpio Ferreira, Talles Marcelo G De A. Barbosa

Pedro H. F. Bacchini, Jose Olimpio Ferreira, Talles Marcelo G De A. Barbosa . Emopad: An Affective Gamepad. International Journal of Computer Applications. 102, 15 ( September 2014), 5-12. DOI=10.5120/17889-8885

@article{ 10.5120/17889-8885,
author = { Pedro H. F. Bacchini, Jose Olimpio Ferreira, Talles Marcelo G De A. Barbosa },
title = { Emopad: An Affective Gamepad },
journal = { International Journal of Computer Applications },
issue_date = { September 2014 },
volume = { 102 },
number = { 15 },
month = { September },
year = { 2014 },
issn = { 0975-8887 },
pages = { 5-12 },
numpages = {9},
url = { },
doi = { 10.5120/17889-8885 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
%0 Journal Article
%1 2024-02-06T22:33:09.997037+05:30
%A Pedro H. F. Bacchini
%A Jose Olimpio Ferreira
%A Talles Marcelo G De A. Barbosa
%T Emopad: An Affective Gamepad
%J International Journal of Computer Applications
%@ 0975-8887
%V 102
%N 15
%P 5-12
%D 2014
%I Foundation of Computer Science (FCS), NY, USA

Affective Systems have been used in different applications, such as stress monitoring in aircraft seats and managing sensitivity in autism spectrum disorder. Although many scientific progresses have been made there are many computational challenges to be overcome in order to embedded affectivity into traditional user interfaces. For example, context-sensitive algorithms, low-complexity pattern recognition models and hardware customizations are requirements to support the simplification of user's experience becoming more intuitive, transparent and less obstructive. In this paper an affective gamepad is presented. This acquisition system has been developed to improve user's biofeedback when they are playing games on Microsoft Xbox or Sony PlayStation. The preliminary version of Emopad is able to capture Galvanic Skin Response (GSR), Temperature, Force, Heart Rate (HR) and its variability (HRV) by photoplethysmography (PPG) sensor while complementary algorithms are executed to filter noise, recognize interests patterns and classify events related to user's emotional states. All processing phases are embedded into Emopad, and they explore microcontroller's dynamic power management. Emopad has been developed to deal with energy-efficient and platform-independent requirements. Concerning to this paper's aim, the acquisition systems development is highlighted. Also, the sliding window-based algorithm is presented and evaluated. It has been applied after sampling in GSR, Force, Temperature and HR signals to detect events related to emotional responses. The success of affective gamepads can lead to a paradigm shift, because traditional consoles can be configured to work as Point-of-Care technologies. Consequently, they can receive, process and transmit physiological data and events related to clinical conditions about their users.

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Index Terms

Computer Science
Information Sciences


Affective Gamepad Affective Systems