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Internet of things (IoT) has captured a promising market in industrial electronics. Considering the scenario, we introduce a wearable wireless electrooculogram (EOG) recorder for IoT-based industrial applications. This device has advantages over existing EOG recorders concerning its ease of wearing, portability and usability. The recording software is an Android app which makes it useful for a common...
This paper proposes a method for detecting eye saccadic signatures from Electrooculograms (EOG). Saccadic movements bear a particular pattern in the raw EOG time-series data. In this work, we interpret this signature of saccades as time-series motifs. The major issue in finding a saccade using standard motif identification methods is that saccadic signatures may be shrunk or stretched in the EOG time-series...
This paper evaluates four algorithms for denoising raw Electrooculography (EOG) data based on the Signal to Noise Ratio (SNR). The SNR is computed using the eigenvalue method. The filtering algorithms are a) Finite Impulse Response (FIR) bandpass filters, b) Stationary Wavelet Transform, c) Empirical Mode Decomposition (EMD) d) FIR Median Hybrid Filters. An EOG dataset has been prepared where the...
This paper describes a new low-cost, wearable and portable system to acquire Electro-oculogram (EOG) signals. The system comprises of three electrodes for recording EOG, an instrumentation amplifier and signal conditioning unit, and a general purpose computer with a custom made EOG analysis software. A special type of signal acquisition arrangement has been made where the electrodes are embedded in...
This paper describes an methodology to detect the end of a triggered horizontal saccade and beginning of gaze fixation in a database of Electrooculography (EOG) data; captured during a target tracking task, designed to generate full horizontal saccades followed by a random interval fixation. This methodology results in generation of accurate assessment of the Saccadic duration, and as such, helps...
Human Computer Interaction (HCI) is the methodology through which computing systems understand actions of human beings. Some important applications of HCI as reported in literature are eye gaze estimation, eye tracking, alertness and health monitoring etc. Of them major applications are based upon eye movements. However, accurate estimation of these measurements is still a challenge in research community...
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