lightbulb现实痛点声学感知、活动识别与语音安全
语音助手无法理解用户的行为和环境，不支持智能化场景感知。UbiComp '21Ok Google, What Am I Doing? Acoustic Activity Recognition Bounded by Conversational Assistant Interactions
LLM与自然语言交互 / 声学感知、活动识别与语音安全
语音助手无法理解用户的行为和环境，不支持智能化场景感知。
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lightbulb现实痛点声学感知、活动识别与语音安全
现有智能音箱的麦克风在高频信号角度感知上精度不足。UbiComp '24Pushing the Limits of Acoustic Spatial Perception via Incident Angle Encoding
lightbulb现实痛点声学感知、活动识别与语音安全
智能音箱或手机在距离较远或精细活动监测中感知效果很差。UbiComp '22LASense: Pushing the Limits of Fine-grained Activity Sensing Using Acoustic Signals
lightbulb现实痛点声学感知、活动识别与语音安全
多数小型家电无法联网，导致状态监控和设备管理困难。UbiComp '22MotorBeat: Acoustic Communication for Home Appliances via Variable Pulse Width Modulation
lightbulb现实痛点声学感知、活动识别与语音安全
用户在噪声环境中使用语音助手时难以获得清晰语音。UbiComp '22UltraSpeech: Speech Enhancement by Interaction between Ultrasound and Speech
lightbulb现实痛点声学感知、活动识别与语音安全
语音设备常因意外触发而导致隐私泄露及用户体验下降。lightbulb现实痛点声学感知、活动识别与语音安全
智能楼宇用户隐私受摄像头等方法侵犯，技术误识别频繁。UbiComp '21Unobtrusive Pedestrian Identification: Enhanced Recognition System and Attack Defense Based on Footstep Sounds