使用 ToF 传感器和嵌入式 AI 的超低功耗人机界面.pdf

1、A Very Low-PowerHuman-Machine Interface Using ToF Sensors and Embedded AIDi AiMachine Learning Engineer7 Sensing Software(an ams OSRAM company)Introduction to ams OSRAM&7 Sensing Software ams OSRAM TMF882X ToF sensor Human-Machine Interface(HMI)applications Power of embedded AI ConclusionAgenda 2023

2、 7 Sensing Software2 2023 7 Sensing SoftwareIntroduction to ams OSRAM&7 Sensing Software3ams OSRAM and 7 Sensing Software 2023 7 Sensing SoftwareTop 3 global optical semiconductor playerMarket leader in light emitters,sensors,optical modules,sensor interface ICs and algorithms(an ams OSRAM company)M

3、ix of AI,Computer Vision andEmbedded Software expertsBuilding AI solutions optimized for processing on Edge Platforms47 Sensing SoftwareApplication areas 2023 7 Sensing SoftwareAR/VR Depth-map densification Eye-trackingImaging Spectral-sensor-based AWB AI-accelerated image sensorHumanMachineInterfac

4、e Human presence detection Gesture recognition Head and body poseVital Sign Blood pressure Respiratory rate3D2D1D1.5D5 2023 7 Sensing Softwareams OSRAM TMF882X ToF Sensor6What is a Time-of-Flight(ToF)Sensor?2023 7 Sensing SoftwareReceiverEmitterDistance estimation based on time-of-flight of a light

5、pulse reflecting off a target.t7 Family of multi-zone ToF sensors Capture up to 2 distances per zone Low power consumption(141 mW 30 Hz operation)Privacy-safe(no biometric data)Class 1 eye safe:940 nm VCSEL Distance range:1 cm to 5 mams OSRAM TMF882X ToF Sensor 2023 7 Sensing Software3x34x48x8TMF882

6、0YesNoNoTMF8821YesYesNoTMF8828YesYesYes Configurable Resolution:2.0 x 4.6 x 1.4 mm8 2023 7 Sensing SoftwareHuman-Machine Interface(HMI)Applications9 Target market:Laptop Use case:Smart wake-up&leave-lock Algorithm capability:Detect user presence Discriminate between still human and inanimate object