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Classification of Human Driver Distraction Using 3D Convolutional Neural Networks 基于三维卷积神经网络的驾驶员分心分类
Kelvin Kwakye, Armstrong Aboah, Younho Seong, Sun Yi
Distracted driving is a dangerous driving behavior that causes numerous accidents on US roads each year. It is critical to identify distracted drivers in order to prevent such accidents. Previous studies attempted to detect distracted driving using heuristics and machine learning; however, none of these methods could capture the problem's spatiotemporal features. As a result, the purpose of this study was to use a 3D convolutional neural network (CNN) that can capture both spatial and temporal information to classify distracted drivers based on facial features and behavioral cues. We used the Database to Enable Facial Analysis for Driving Studies (DEFADS), an open-source dataset containing 77 human subjects performing scripted driving-related activities, to achieve this goal. The PyTorch video library was used to train the model. The 3D CNN achieved an overall recall and precision of 97.6 and 98.1, respectively, indicating its efficacy in detecting distracted drivers in the real world.
分心驾驶是一种危险的驾驶行为,每年在美国道路上造成无数事故。为了防止此类事故,识别分心的司机是至关重要的。之前的研究试图使用启发式和机器学习来检测分心驾驶;然而,这些方法都无法捕捉到问题的时空特征。因此,本研究的目的是使用3D卷积神经网络(CNN),该网络可以捕获空间和时间信息,根据面部特征和行为线索对分心的驾驶员进行分类。为了实现这一目标,我们使用了数据库来启用驾驶研究面部分析(DEFADS),这是一个包含77名人类受试者执行脚本化驾驶相关活动的开源数据集。PyTorch视频库用于训练模型。3D CNN的总体召回率和准确率分别为97.6和98.1,表明其在检测现实世界中分心司机方面的有效性。
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引用次数: 0
Effects of Variations in the Tragus Expansion Angle on Users’ Comfort for In-ear Wearables 耳屏展开角度变化对入耳式可穿戴设备用户舒适度的影响
Hao Fan, Mengcheng Wang, Xiao Zhao, Yihui Ren, Chen Chen, Yunjie Dou, Jinlei Shi, Dengkai Chen, Carisa Harris-Adamson, Chunlei Chai
Tragus expansion angle (TEA) is an angular variable that quantifies the degree of outward expansion of the tragus cartilage induced by in-ear wearables worn in the human ear. However, the TEA cannot be measured directly, and the mechanism that explains how expansion variations affect users’ comfort experience is not well understood. The purpose of this study was to establish a quantitative relationship between variations in the tragus expansion angle and users’ comfort experience. TEA was measured on 400 healthy participants and normalized using a measuring device (ATMC prototype) and Tragus Expansion Index (TEI). Our results show that the comfort range across variations in TEA was similar for both sexes, yet compared to females, males could tolerate larger variations both in TEA and TEI. A quantitative relationship was established using TEI values, (dis)comfort ratings and GaussAmp function, which can be employed for ergonomic design purposes.
耳屏扩张角(Tragus expansion angle, TEA)是一个角度变量,用于量化人耳中佩戴入耳式可穿戴设备引起耳屏软骨向外扩张的程度。然而,TEA不能直接测量,并且解释膨胀变化如何影响用户舒适体验的机制尚不清楚。本研究的目的是建立耳屏扩张角变化与使用者舒适体验之间的定量关系。对400名健康受试者进行TEA测量,并使用测量仪(ATMC原型)和Tragus Expansion Index (TEI)进行归一化。我们的研究结果表明,男女对TEA变化的舒适范围是相似的,但与女性相比,男性可以忍受更大的TEA和TEI变化。使用TEI值、(dis)舒适评级和GaussAmp函数建立定量关系,可用于人体工程学设计目的。
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引用次数: 0
A Controlled Experiment on the Impact of Intrusion Detection False Alarm Rate on Analyst Performance 入侵检测虚警率对分析人员性能影响的对照实验
Lucas Layman, William Roden
Organizations use intrusion detection systems (IDSes) to identify harmful activity among millions of computer network events. Cybersecurity analysts review IDS alarms to verify whether malicious activity occurred and to take remedial action. However, IDS systems exhibit high false alarm rates. This study examines the impact of IDS false alarm rate on human analyst sensitivity (probability of detection), precision (positive predictive value), and time on task when evaluating IDS alarms. A controlled experiment was conducted with participants divided into two treatment groups, 50% IDS false alarm rate and 86% false alarm rate, who classified whether simulated IDS alarms were true or false alarms. Results show statistically significant differences in precision and time on task. The median values for the 86% false alarm rate group were 47% lower precision and 40% slower time on task than the 50% false alarm rate group. No significant difference in analyst sensitivity was observed.
组织使用入侵检测系统(ids)在数百万计算机网络事件中识别有害活动。网络安全分析师审查IDS警报,以验证是否发生恶意活动并采取补救措施。然而,IDS系统显示出很高的误报率。本研究考察了在评估IDS警报时,IDS假警报率对人类分析师灵敏度(检测概率)、精度(阳性预测值)和任务时间的影响。进行对照实验,将参与者分为50%假警率和86%假警率两组,对模拟的IDS报警进行真假分类。结果显示,在完成任务的精确度和时间上存在统计学上的显著差异。假警报率86%组的中位数比假警报率50%组的准确率低47%,任务完成时间慢40%。分析人员的敏感性无显著差异。
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引用次数: 0
Exploring Trust With the AI Incident Database 用AI事件数据库探索信任
Jeff C. Stanley, Stephen L. Dorton
Engineering trustworthy artificial intelligence (AI) is important to adoption and appropriate use, but there are challenges to implementing trustworthy AI systems. It is difficult to translate trust studies from the laboratory to the field. It is also difficult to operationalize “trustworthy AI” frameworks and principles to inform the actual development of AI. We address these challenges with an approach based in reported incidents of trust loss “in the wild.” We systematically identified 30 cases of trust loss in the AI Incident Database to gain insight into how and why humans lose trust in AI in various contexts. These factors could be codified into the development cycle in various forms such as checklists and design patterns to manage trust in AI systems and avoid similar incidents in the future. Because it is based in real incidents, this approach offers recommendations that are concrete and actionable for teams addressing real use cases with AI systems.
工程可靠的人工智能(AI)对于采用和适当使用非常重要,但实现可靠的人工智能系统存在挑战。很难将信任研究从实验室转化到现场。“值得信赖的人工智能”框架和原则也很难付诸实施,难以为人工智能的实际发展提供信息。我们通过一种基于“野外”信任丧失报告事件的方法来应对这些挑战。我们系统地识别了人工智能事件数据库中的30个信任丧失案例,以深入了解在各种情况下人类如何以及为什么对人工智能失去信任。这些因素可以以各种形式编入开发周期,如清单和设计模式,以管理对人工智能系统的信任,并避免未来发生类似事件。因为它是基于真实事件的,所以这种方法为团队解决AI系统的真实用例提供了具体和可操作的建议。
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引用次数: 0
Framing Updates: How Framing Influences Trust for Automated Driving Systems 框架更新:框架如何影响自动驾驶系统的信任
Scott Mishler, Jing Chen
The boom of automated driving systems (ADS) promises to change the way humans drive and interact with their vehicle, especially when these systems receive new updates that may change the way they work. Human-automation teams need to ensure proper roles are established for who is in control of the driving task at any given time. The human needs to have properly calibrated trust to know how to properly work with the system during driving. Framing research shows that positive and negative framing can influence how individuals perceive and make decisions, and swift trust shows that trust can be created quickly in newly established teams. We draw from both realms of literature and tested how new updates of the ADS are framed to the driver with the goal of either promoting or dampening trust to ensure the human driver is maintaining proper trust calibration.
自动驾驶系统(ADS)的蓬勃发展有望改变人类驾驶和与车辆互动的方式,尤其是当这些系统获得可能改变其工作方式的新更新时。人类自动化团队需要确保在任何给定的时间为控制驾驶任务的人建立适当的角色。人类需要有适当校准的信任,知道如何在驾驶过程中正确地使用系统。框架研究表明,积极和消极框架可以影响个人的感知和决策方式,快速信任表明,在新成立的团队中,信任可以很快建立起来。我们借鉴了这两个领域的文献,并测试了ADS的新更新是如何以促进或抑制信任为目标向驾驶员提供的,以确保人类驾驶员保持适当的信任校准。
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引用次数: 0
Predicting Automated Vehicle Takeover Decision During the Nighttime 预测夜间自动车辆接管决策
Nade Liang, Chiho Lim, Denny Yu, Kwaku O. Prakah-Asante, Brandon J. Pitts
Conditionally automated vehicles require drivers to take over control occasionally. To date, takeover performance has been mostly evaluated using only re-engagement time and quality metrics. However, the appropriateness of takeover decisions, which has not been considered by previous research, should also be included as a performance indicator as it reflects one’s situation awareness of the takeover scenario. The goal of this study was to use eye-tracking, demographic factors, workload, and non-driving-related task (NDRT) conditions to predict takeover decisions. Forty-three participants drove a simulated conditionally automated vehicle while performing visual NDRTs and needed to decide the most appropriate maneuver around a roadway obstacle. Six classifiers were used to predict takeover decisions. The Random Forest model achieved the best performance, and driving experience and perceived workload were the most influential features. Findings may be used to assist in the design of adaptive algorithms that support drivers taking over from automated vehicles.
有条件的自动驾驶汽车偶尔需要司机接管控制。迄今为止,收购绩效的评估大多只使用重新参与时间和质量指标。然而,收购决策的适当性也应该作为一个绩效指标,因为它反映了一个人对收购情景的情境意识,这一点在以前的研究中没有考虑到。本研究的目的是利用眼动追踪、人口统计因素、工作量和非驾驶相关任务(NDRT)条件来预测收购决策。43名参与者驾驶一辆模拟的条件自动驾驶汽车,同时进行视觉ndrt,并需要在道路障碍物周围决定最合适的机动。六个分类器被用来预测收购决策。随机森林模型取得了最好的性能,驾驶经验和感知工作量是影响最大的特征。研究结果可用于协助设计自适应算法,以支持驾驶员接替自动驾驶车辆。
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引用次数: 0
Gender Differences in Responsibility Assignment Towards Level 3-ADS Vehicles 3级ads车辆责任分配的性别差异
Liam Kettle, Yi-Ching Lee
Numerous collisions have occurred since integrating vehicles with automated driving system (ADS) features. Attributed responsibility following collisions differ dependent on level of automation or anthropomorphism. However, gender differences are yet to be examined. Thus, the current study examined gender differences in responsibility assignment following collisions involving an ADS-equipped vehicle and the influence of a driving assistant (DA) that administered monitoring requests. Participants read hypothetical scenarios and watched corresponding simulated videos with or without the DA present before assigning blame to the human or the ADS. Hypotheses included gender differences in overall blame assignment, and interaction effects between gender and DA presence; gender and agent; and gender, DA presence, and agent. Results indicated gender differences when assigning responsibility to the human agent only. No other significant differences were supported indicating that men and women generally attribute blame similarly. However, further demographic differences (e.g., age, socio-economic status) should be explored.
自将车辆与自动驾驶系统(ADS)功能集成以来,已经发生了大量碰撞事故。碰撞后的责任归属取决于自动化程度或拟人化程度。然而,性别差异还有待研究。因此,本研究考察了配备ads系统的车辆发生碰撞后责任分配的性别差异,以及管理监测请求的驾驶助理(DA)的影响。参与者阅读假设场景并观看相应的模拟视频,然后将责任分配给人类或ADS。假设包括总体责任分配中的性别差异,以及性别与DA存在之间的相互作用效应;性别和代理人;性别,检察官的存在和代理人。结果表明,当只将责任分配给人类代理人时,性别存在差异。没有其他显著差异支持表明男性和女性通常相似地归咎于责任。但是,应当探讨进一步的人口差异(例如年龄、社会经济地位)。
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引用次数: 1
The Impact of Hospital Bed Height and Gender on Fall Risk During Bed Egress 医院床位高度和性别对出床时跌倒风险的影响
Ahmad Raza Usmani, Susan E. Kotowski, Kermit G. Davis
Many patient falls in healthcare facilities can be attributed to bed ingress and egress tasks. While bed height has been used as a means of fall injury prevention, some positions may actually place the patient at a biomechanical disadvantage during ingress and egress tasks, increasing fall risk, but this interaction is not well understood. Therefore, this study investigated the interaction between bed height, gender, and biomechanical outcomes of ground reaction forces to determine fall risk changes as a function of bed height. Participants were 24 healthy individuals who completed 72 trials. Results showed the main effects of bed height and gender were significant (p<0.05), but not the interaction for both vertical and anterior-posterior forces. Males had significantly greater forces in both directions, and the force in both directions were lowest under approximately a 66 cm bed height.
许多患者在医疗机构摔倒可归因于床位进出任务。虽然床的高度已被用作预防跌倒伤害的手段,但一些姿势实际上可能会使患者在进出任务中处于生物力学劣势,增加跌倒风险,但这种相互作用尚未得到很好的理解。因此,本研究调查了床高、性别和地面反作用力的生物力学结果之间的相互作用,以确定跌倒风险变化作为床高的函数。参与者是24名健康个体,他们完成了72项试验。结果显示,床高和性别的主要影响显著(p < 0.05),而垂直力和前后力的交互作用不显著。雄性在两个方向上的力都明显更大,并且在大约66 cm的床高下,两个方向的力都最低。
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引用次数: 0
Eye Tracking-Based Adaptive Displays: A Review of the Recent Literature 基于眼动追踪的自适应显示:近期文献综述
Wafic Chahine, Nour Hachem, Nadine Marie Moacdieh
Adaptive displays have long been touted as a means of improving the usability of different types of interfaces. However, purely eye tracking-based adaptive displays have not yet lived up to the initial promise. In many cases, adaptive displays are tailored to users with special needs, developed to supplement virtual reality, or combine eye tracking with other physiological measures. This mapping review focuses instead on recent adaptive displays that rely solely on eye tracking input to understand a user’s needs while interacting with a regular computer display. We aimed to answer three main research questions related to 1) the application domains of such adaptive displays, 2) the eye tracking metrics that have been adopted to track attention allocation in real time, and 3) the adaptation triggering mechanisms. We provide a summary of the current state of eye tracking-based adaptive displays, identify gaps in the literature, and suggest topics for future work.
自适应显示一直被吹捧为提高不同类型界面可用性的一种手段。然而,纯粹基于眼动追踪的自适应显示器还没有达到最初的承诺。在许多情况下,自适应显示器是为有特殊需求的用户量身定制的,是为补充虚拟现实而开发的,或者是将眼动追踪与其他生理测量相结合。这篇地图评论的重点是最近的自适应显示器,这些显示器在与普通计算机显示器交互时,仅依靠眼动追踪输入来了解用户的需求。本文旨在回答以下三个主要研究问题:1)自适应显示器的应用领域;2)用于实时跟踪注意力分配的眼动追踪指标;3)自适应触发机制。我们总结了基于眼动追踪的自适应显示的现状,确定了文献中的空白,并提出了未来工作的主题。
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引用次数: 0
A Systematic Literature Review for Measure, Estimation, and Mitigation of Motion Sickness in Vehicle Environment 车辆环境中运动病的测量、评估和缓解的系统文献综述
Yein Song, Myung Bin Choi, Sung hee Ahn, Myung Hwan Yun
There are various studies to investigate the factors that affect driving experiences in the automobile environment and auditory experiences as variables. These factors might eventually affect users' sensitivity and performance of driving-related and non-driving-related tasks. Research on mechanical and electrical technology development is significant and has been conducted a lot. For driver- or passenger-centered auditory experiences, however, it is very important to understand people's perceptions and evaluations according to the technical design of the car sound. Therefore, in this paper, we would like to identify trends in 10 years of research on in-vehicle auditory experiences studied since 2013 and propose a human-centered automotive sound evaluation framework. The driving context, sound, and people were derived as factors affecting the car hearing experience, and specific sub-factors were derived. The results of this study are expected to provide insight into directionality in future automotive auditory.
以听觉体验为变量,对汽车环境中影响驾驶体验的因素进行了多种研究。这些因素最终可能会影响用户对驾驶相关和非驾驶相关任务的敏感度和表现。机电技术发展的研究意义重大,已经开展了大量的研究工作。然而,对于以驾驶员或乘客为中心的听觉体验,根据汽车声音的技术设计了解人们的感知和评价是非常重要的。因此,在本文中,我们希望识别自2013年以来10年车内听觉体验研究的趋势,并提出一个以人为本的汽车声音评价框架。推导出驾驶环境、声音和人是影响汽车听觉体验的因素,并推导出具体的子因素。本研究的结果有望为未来汽车听觉的方向性提供见解。
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引用次数: 0
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Proceedings of the Human Factors and Ergonomics Society ... Annual Meeting. Human Factors and Ergonomics Society. Annual meeting
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