ANALISIS INDIKATOR EYE TRACKING UNTUK MENDETEKSI KEWASPADAAN YANG DIPENGARUHI PEMBATASAN DURASI TIDUR DAN WAKTU PEMERIKSAAN

Thedy Yogasara, Rosi Filia Kristina Sidabutar, Daniel Siswanto, Yansen Theopilus
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引用次数: 0

Abstract

Eye tracking (ET) banyak digunakan untuk mendeteksi perubahan okular, namun belum banyak penelitian yang menganalisis kemampuan indikator ET dalam mendeteksi kewaspadaan. Padahal indikator okular banyak dikaitkan dengan kelelahan yang dapat menurunkan kewaspadaan. Penelitian ini bertujuan menentukan indikator ET yang dapat mendeteksi kewaspadaan pada pembatasan durasi tidur dan waktu pemeriksaan. Penelitian melibatkan 28 pria yang diminta melakukan inspeksi cacat (scratch, dirt, missing part, dan poor assembly) pada 50 senter sambil dilakukan pengukuran Psychomotor Vigilance Task (PVT) dan indikator ET. Durasi tidur dibatasi 4 dan 8 jam, serta waktu pemeriksaan terdiri dari waktu yang dibatasi dan tidak dibatasi. Variabel terikat adalah mean RT (reaction time), % minor lapses, dan mean 1/RT dari PVT. Dari ET diukur durasi fiksasi, diameter pupil, jumlah sakadik, dan kecepatan sakadik. Hasil eksperimen diolah dengan Two-way Repeated Measures ANOVA dan Pearson Correlation. Hasil ANOVA dengan signifikansi α=0,05 menunjukkan terdapat pengaruh durasi tidur terhadap mean RT, % minor lapses, dan mean 1/RT. Sedangkan waktu pemeriksaan berpengaruh terhadap durasi fiksasi dan jumlah sakadik. Berdasarkan uji Pearson Correlation, indikator ET dan PVT berkorelasi lemah atau sangat lemah. Hasil penelitian menunjukkan tidak terdapatnya indikator ET yang cukup baik untuk mendeteksi kewaspadaan pada pembatasan durasi tidur dan waktu pemeriksaan. Abstract [Analysis of Eye Tracking Indicators to Detect Vigilance Affected by Sleep Duration and Inspection Time Constraints] Eye tracking (ET) is widely used to detect ocular changes. However, few studies analyze the capability of ET indicators for detecting vigilance, albeit ocular indicators are often associated with fatigue which can reduce vigilance. This study aims to determine ET indicators that can detect vigilance on limited sleep and inspection duration. This study involved 28 men who were asked to perform inspection tasks for defects (scratch, dirt, missing parts, and poor assembly) on 50 flashlights while Psychomotor Vigilance Task (PVT) and ET indicators were measured. Sleep duration was limited to 4 and 8 hours, while inspection duration consisted of two levels, i.e. limited and not limited. Dependent variables were mean RT (reaction time), % minor lapses, and mean 1/RT of PVT. Furthermore, ET indicators included duration fixation, pupil diameter, number of saccades, and saccades velocity. The data were processed using Two-way Repeated Measures ANOVA and Pearson Correlation. ANOVA with significance of α=0,05 shows that there was an effect of sleep duration on mean RT, % minor lapses, and mean 1/RT. In addition, inspection duration had an effect on fixation duration and number of saccades. Based on Pearson Correlation test, all ET and PVT indicators had weak or very weak correlation. This research indicates that there is no ET indicator that is adequate to detect vigilance in limited sleep and inspection duration.Keywords: eye tracking; inspection duration; sleep duration; vigilance
跟踪指标分析,以检测受睡眠时间限制和检查时间影响的警觉
眼球跟踪(ET)被广泛用于检测眼睛的变化,但目前还没有进行足够的研究来分析ET指标检测意识的能力。然而,眼球菌指标与疲劳密切相关,会降低警觉性。本研究旨在确定ET指标,在限制睡眠时间和检查时间时检测机警。这项研究包括28名被要求在50个灯泡上进行残疾检查(scratch, dirt, missing part和poor assembly),同时进行精神保护任务(PVT)和ET指标的测量。绑定变量为RT (reaction time), %小幅lapses, ET中平均值为1/RT,测量固定持续时间、瞳孔直径、sakresis次数和sakresis速度。用于两种重复措施的实验,即皮尔逊公司。ANOVA和α= 0。05意义的结果显示睡眠时长有影响意味着RT %小调lapses,意味着1 / RT。而检查时间影响固定持续时间和saksister的次数。根据皮尔逊相关测试,指标ET和PVT之间的关系较弱或较弱。研究表明,ET指标没有足够好的方法来检测对睡眠时间限制和检查时间的警觉。眼球跟踪分析受睡眠跟踪和检查时间限制的影响。However,少数研究人员分析了对警惕的影响范围,尽管所有的眼科内显都与可以减少警惕的事实有关。这是一项可以在有限的睡眠检查中进行警惕检测的调查。这项研究包括28名要求在精神警惕工作小组(PVT)的50处闪光检查任务的人员。睡眠排毒限制在4到8个小时,而检查考虑到两个层次,i.e.有限和不有限。除变量是平均RT, %小幅lapses,以及PVT. Furthermore等相关因素,瞳孔直径,saccades number and saccades velocity。数据以两种方式重复列出反常的资产和皮尔逊公司。ANOVA用α= 0。05节目的遗迹”,以至于有一个效应的睡眠持续在RT %小调lapses,均值和卑鄙的1 / RT。在附注中,探长的同质性影响着修复的同质性和saccades的编号。基于皮尔逊相关测试,所有的ET和PVT个人都有软弱或非常软弱的关系。在有限的睡眠检查中,这一研究没有丝毫的相关性。重点词:inspection持续;睡眠持续时间;小心翼翼
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