helpResearch question生物特征认证与安全识别
如何利用智能手表中的光体积描记（PPG）传感器实现房颤的早期检测和负担估计？UbiComp '21Towards Early Detection and Burden Estimation of Atrial Fibrillation in an Ambulatory Free-living Environment
Direction: 传感、识别与安全
生物特征认证与安全识别
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helpResearch question生物特征认证与安全识别
时间频率分析和深度学习模型能否提高房颤的检测精度和实时性？UbiComp '21Towards Early Detection and Burden Estimation of Atrial Fibrillation in an Ambulatory Free-living Environment
helpResearch question生物特征认证与安全识别
在日常真实环境中进行被动长期监测时，如何有效应对运动伪影对数据质量的影响？UbiComp '21Towards Early Detection and Burden Estimation of Atrial Fibrillation in an Ambulatory Free-living Environment
lightbulbPractical problem生物特征认证与安全识别
用户在日常生活中难以通过传统手段检测房颤，漏检率高。UbiComp '21Towards Early Detection and Burden Estimation of Atrial Fibrillation in an Ambulatory Free-living Environment
helpResearch question生物特征认证与安全识别
基于眼动追踪的IriTrack系统如何检测面部伪造攻击？UbiComp '21IriTrack: Face Presentation Attack Detection Using Iris Tracking
helpResearch question生物特征认证与安全识别
随机生成的折线轨迹模式如何提升面部伪造攻击检测的安全性和效率？UbiComp '21IriTrack: Face Presentation Attack Detection Using Iris Tracking
helpResearch question生物特征认证与安全识别
IriTrack系统在不同环境和用户条件下的鲁棒性如何表现？UbiComp '21IriTrack: Face Presentation Attack Detection Using Iris Tracking
lightbulbPractical problem生物特征认证与安全识别
用户面临面部识别系统被照片或视频攻击破解的问题。UbiComp '21IriTrack: Face Presentation Attack Detection Using Iris Tracking
helpResearch question生物特征认证与安全识别
如何利用RFID技术实现无摄像头的隐私保护型人脸识别？UbiComp '21RFaceID: Towards RFID-based Facial Recognition
helpResearch question生物特征认证与安全识别
RFID信号上的深度学习模型能否克服视觉方法的噪声和数据量不足问题？UbiComp '21RFaceID: Towards RFID-based Facial Recognition
helpResearch question生物特征认证与安全识别
在小样本训练和动态环境下，如何提高RFID人脸识别系统的鲁棒性？UbiComp '21RFaceID: Towards RFID-based Facial Recognition
lightbulbPractical problem生物特征认证与安全识别
用户担心摄像头人脸识别易受环境、隐私和假体攻击威胁。UbiComp '21RFaceID: Towards RFID-based Facial Recognition
helpResearch question生物特征认证与安全识别
耳道动态变形作为生物识别特征能否支持持续用户身份认证？UbiComp '21EarDynamic: An Ear Canal Deformation Based Continuous User Authentication Using In-Ear Wearables
helpResearch question生物特征认证与安全识别
如何利用入耳式可穿戴设备的内置传感器捕捉耳道动态特征？UbiComp '21EarDynamic: An Ear Canal Deformation Based Continuous User Authentication Using In-Ear Wearables
helpResearch question生物特征认证与安全识别
耳道动态变形特征在不同环境和用户行为下的认证性能如何？UbiComp '21EarDynamic: An Ear Canal Deformation Based Continuous User Authentication Using In-Ear Wearables
lightbulbPractical problem生物特征认证与安全识别
传统生物识别认证容易被欺骗且缺乏持续性功能。UbiComp '21EarDynamic: An Ear Canal Deformation Based Continuous User Authentication Using In-Ear Wearables
helpResearch question生物特征认证与安全识别
如何利用耳机内外麦克风捕捉体内外的声波传导特性，实现非口令依赖的用户身份验证？UbiComp '21Voice In Ear: Spoofing-Resistant and Passphrase-Independent Body Sound Authentication
helpResearch question生物特征认证与安全识别
耳人体特征和左右耳声波传导路径不对称性如何增强声纹认证的防伪能力？UbiComp '21Voice In Ear: Spoofing-Resistant and Passphrase-Independent Body Sound Authentication
helpResearch question生物特征认证与安全识别
在嘈杂环境和身体动作下，声学生物认证如何保持高鲁棒性和准确性？UbiComp '21Voice In Ear: Spoofing-Resistant and Passphrase-Independent Body Sound Authentication
lightbulbPractical problem生物特征认证与安全识别
用户使用传统声纹验证时易受到重播攻击或模拟语音攻击。UbiComp '21Voice In Ear: Spoofing-Resistant and Passphrase-Independent Body Sound Authentication
helpResearch question生物特征认证与安全识别
如何通过持续的用户跟踪实现智能手机无需认证的交互？CHI '21
helpResearch question生物特征认证与安全识别
引入“用户在附近”状态能否显著减少冗余的身份认证操作？CHI '21
helpResearch question生物特征认证与安全识别
结合手部与身体特征的追踪算法在多场景中表现如何？CHI '21
lightbulbPractical problem生物特征认证与安全识别
用户频繁解锁智能手机时感到烦扰，身份认证效率低。CHI '21