helpResearch question生物特征认证与安全识别
与基于音频信号的传统认证方法相比，基于耳内PPG信号的认证方法有哪些优势？UbiComp '23EarPass: Continuous User Authentication with In-ear PPG
Direction: 传感、识别与安全
生物特征认证与安全识别
Stats are based on currently indexed question data; missing sources remain visible.
124
items
31
sources
2025
latest
All questions
124 items
lightbulbPractical problem生物特征认证与安全识别
耳机用户需要隐私保护且低成本的连续身份认证机制。UbiComp '23EarPass: Continuous User Authentication with In-ear PPG
helpResearch question生物特征认证与安全识别
PPG传感器能否用于估算人手接触物体的温度？UbiComp '23Estimating Temperature of Grasped Object using PPG Sensor
helpResearch question生物特征认证与安全识别
如何通过光电容积图信号的特征变化和SVM算法实现温度估算？UbiComp '23Estimating Temperature of Grasped Object using PPG Sensor
helpResearch question生物特征认证与安全识别
PPG信号的哪些特征对不同温度范围的估算最敏感？UbiComp '23Estimating Temperature of Grasped Object using PPG Sensor
lightbulbPractical problem生物特征认证与安全识别
无痛感患者难以识别接触物的极端温度，易受伤害。UbiComp '23Estimating Temperature of Grasped Object using PPG Sensor
helpResearch question生物特征认证与安全识别
能否通过整合声呐手势数据与触屏和运动传感器数据，提高智能手表行为生物识别的准确性与抗攻击性能？UbiComp '23SonarAuth: Using Around Device Sensing to Improve Smartwatch Behavioral Biometrics
helpResearch question生物特征认证与安全识别
现有智能手表硬件条件下，如何在不增加额外硬件的情况下实现多模态行为生物识别？UbiComp '23SonarAuth: Using Around Device Sensing to Improve Smartwatch Behavioral Biometrics
helpResearch question生物特征认证与安全识别
哪个输入方式（如拇指、食指）在声呐图像中能提供最佳认证表现？UbiComp '23SonarAuth: Using Around Device Sensing to Improve Smartwatch Behavioral Biometrics
lightbulbPractical problem生物特征认证与安全识别
智能手表认证方式不安全且操作复杂，容易被偷窥攻击。UbiComp '23SonarAuth: Using Around Device Sensing to Improve Smartwatch Behavioral Biometrics
helpResearch question生物特征认证与安全识别
在急性压力环境下，仅使用2秒超短单通道ECG信号片段进行用户身份识别和认证是否可行？UbiComp '23Acute Stress Data-Based Fast Biometric System Using Contrastive Learning and Ultra-Short ECG Signal Segments
helpResearch question生物特征认证与安全识别
对比学习方法如何提升超短ECG信号片段的特征学习和模型训练效率？UbiComp '23Acute Stress Data-Based Fast Biometric System Using Contrastive Learning and Ultra-Short ECG Signal Segments
helpResearch question生物特征认证与安全识别
该系统能在用户压力状态快速变化的情况下维持高可靠性吗？UbiComp '23Acute Stress Data-Based Fast Biometric System Using Contrastive Learning and Ultra-Short ECG Signal Segments
lightbulbPractical problem生物特征认证与安全识别
用户在压力变化的场景中难以实现实时、精准的身份认证。UbiComp '23Acute Stress Data-Based Fast Biometric System Using Contrastive Learning and Ultra-Short ECG Signal Segments
helpResearch question生物特征认证与安全识别
挤压手势如何作为一种隐蔽且高度可定制的智能手机认证方式？CHI '23
helpResearch question生物特征认证与安全识别
挤压手势与用户特定行为特征相结合的认证方法能否提高安全性和用户体验？CHI '23
helpResearch question生物特征认证与安全识别
在标准的电容触摸屏上如何高效实现基于挤压手势的认证技术?CHI '23
lightbulbPractical problem生物特征认证与安全识别
用户担心传统智能手机认证方法难以兼顾安全性和隐私性。CHI '23
helpResearch question生物特征认证与安全识别
如何结合脑电(EEG)和生理信号（如GSR和PPG）在人类对话中识别隐藏的或复杂的情感？IUI '22
helpResearch question生物特征认证与安全识别
多模态数据融合能否提高实时对话情感识别的准确性？IUI '22
helpResearch question生物特征认证与安全识别
在非表演场景下，如何设计实验有效诱发和收集真实对话中的情感反应？IUI '22
lightbulbPractical problem生物特征认证与安全识别
用户交流中难以捕捉隐藏或复杂情感，影响智能系统的情感交互能力。IUI '22
helpResearch question生物特征认证与安全识别
如何利用雷达技术估计完整的光电容积波信号（PPG）及其衍生特性？UbiComp '22VitaNet: Contactless Monitoring of PPG Using Radar
helpResearch question生物特征认证与安全识别
雷达数据中哪些反射信息对光电容积波信号的预测最为重要？UbiComp '22VitaNet: Contactless Monitoring of PPG Using Radar
helpResearch question生物特征认证与安全识别
如何提高雷达预测光电容积波信号的准确性和适应性，同时解决信号同步和波形反转问题？UbiComp '22VitaNet: Contactless Monitoring of PPG Using Radar
lightbulbPractical problem生物特征认证与安全识别
睡眠或复杂环境下，用户无法依靠传统接触式设备长期监测健康数据。UbiComp '22VitaNet: Contactless Monitoring of PPG Using Radar
helpResearch question生物特征认证与安全识别
如何将低成本的RFID物理层认证集成到区块链的供应链信息管理中，以实现去中心化与防伪功能？UbiComp '22RF-Chain: Decentralized, Credible, and Counterfeit-proof Supply Chain Management with Commodity RFIDs
helpResearch question生物特征认证与安全识别
采用何种技术可支持资源受限的消费者进行可信认证？UbiComp '22RF-Chain: Decentralized, Credible, and Counterfeit-proof Supply Chain Management with Commodity RFIDs
helpResearch question生物特征认证与安全识别
如何设计并验证RFID标签在物理层特征匹配中的高效性和准确性？UbiComp '22RF-Chain: Decentralized, Credible, and Counterfeit-proof Supply Chain Management with Commodity RFIDs
lightbulbPractical problem生物特征认证与安全识别
消费者无法可信追踪商品是否为正品，供应链管理防伪薄弱。UbiComp '22RF-Chain: Decentralized, Credible, and Counterfeit-proof Supply Chain Management with Commodity RFIDs
helpResearch question生物特征认证与安全识别
能否利用用户牙齿动作产生的声学特征实现耳戴式设备的用户认证？UbiComp '22ToothSonic: Earable Authentication via Acoustic Toothprint
helpResearch question生物特征认证与安全识别
如何通过耳道和耳戴设备内部麦克风增强牙齿动作的声学特征以提高认证精度？UbiComp '22ToothSonic: Earable Authentication via Acoustic Toothprint
helpResearch question生物特征认证与安全识别
牙齿动作声学特征的隐私性和抗欺骗性能如何？UbiComp '22ToothSonic: Earable Authentication via Acoustic Toothprint
lightbulbPractical problem生物特征认证与安全识别
耳戴设备缺乏可靠且用户友好的认证方式，现有方法易被攻击或干扰。UbiComp '22ToothSonic: Earable Authentication via Acoustic Toothprint
helpResearch question生物特征认证与安全识别
PPG（光电容积描记）传感器能否通过耳机捕捉面部表情的血管变形信号？UbiComp '22PPGface: Like What You Are Watching? Earphones Can “Feel” Your Facial Expressions
helpResearch question生物特征认证与安全识别
结合耳机中的加速度计与PPG信号，是否可以准确分类和识别多种面部表情？UbiComp '22PPGface: Like What You Are Watching? Earphones Can “Feel” Your Facial Expressions
helpResearch question生物特征认证与安全识别
相比现有摄像头或WiFi等方案，PPG传感器是否更能在动态和隐私敏感场景中表现优越？UbiComp '22PPGface: Like What You Are Watching? Earphones Can “Feel” Your Facial Expressions
lightbulbPractical problem生物特征认证与安全识别
用户担心隐私泄露时难以依赖摄像头识别表情。UbiComp '22PPGface: Like What You Are Watching? Earphones Can “Feel” Your Facial Expressions
helpResearch question生物特征认证与安全识别
如何通过非接触方式使用多波长相机的光电容积描记法（PPG）测量脉搏传导时间（PTT）？UbiComp '22Feasibility of Remote Pulse Transit Time Estimation Using Narrow-band Multi-wavelength Camera Photoplethysmography
helpResearch question生物特征认证与安全识别
使用不同波长的光捕捉皮肤血流的方式能否准确估算PTT？UbiComp '22Feasibility of Remote Pulse Transit Time Estimation Using Narrow-band Multi-wavelength Camera Photoplethysmography
helpResearch question生物特征认证与安全识别
在静息和运动后两种情景下，改进的多波长相机能否实现高质量PTT数据采集和分析？UbiComp '22Feasibility of Remote Pulse Transit Time Estimation Using Narrow-band Multi-wavelength Camera Photoplethysmography
lightbulbPractical problem生物特征认证与安全识别
传统血压监测设备笨重且不适合持续或动态场景使用。UbiComp '22Feasibility of Remote Pulse Transit Time Estimation Using Narrow-band Multi-wavelength Camera Photoplethysmography
helpResearch question生物特征认证与安全识别
如何利用手腕声学传递实现智能手表的身份认证？UbiComp '22WristAcoustic: Identity Authentication for Smartwatches Based on Wrist Acoustic Response
helpResearch question生物特征认证与安全识别
多种手部姿态和长期使用变化如何影响声学身份认证的可靠性？UbiComp '22WristAcoustic: Identity Authentication for Smartwatches Based on Wrist Acoustic Response
helpResearch question生物特征认证与安全识别
声学身份认证系统如何在真实环境的干扰条件下保持高精度？UbiComp '22WristAcoustic: Identity Authentication for Smartwatches Based on Wrist Acoustic Response
lightbulbPractical problem生物特征认证与安全识别
用户在智能手表上输入密码困难且不安全。UbiComp '22WristAcoustic: Identity Authentication for Smartwatches Based on Wrist Acoustic Response
helpResearch question生物特征认证与安全识别
如何利用基于摩擦纳米发电机（TENG）的智能地毯传感器，实现非侵入式的步态识别和身份验证？UbiComp '21TriboGait: A deep learning enabled triboelectric gait sensor system for human activity recognition and individual identification
helpResearch question生物特征认证与安全识别
能否通过改进深度学习模型（Residual Dense-BiLSTM）提高步态数据的识别精度？UbiComp '21TriboGait: A deep learning enabled triboelectric gait sensor system for human activity recognition and individual identification
helpResearch question生物特征认证与安全识别
这种新型步态传感系统与现有技术相比有哪些性能优势？UbiComp '21TriboGait: A deep learning enabled triboelectric gait sensor system for human activity recognition and individual identification
lightbulbPractical problem生物特征认证与安全识别
现有步态识别技术隐私性差、依赖视线且用户体验较差。UbiComp '21TriboGait: A deep learning enabled triboelectric gait sensor system for human activity recognition and individual identification