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A Two-Tap NIR Lock-in Pixel CMOS Image Sensor with Background Light Cancelling Capability for Non-Contact Heart Rate Detection

机译:具有背景光消除功能的两键NIR锁定像素CMOS图像传感器,用于非接触式心率检测

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temporal random noise and 90.1% maximum charge modulation ratio are achieved by using low noise readout circuit and in-pixel lateral electric field charge modulator (LEFM) techniques. The non-contact HR detection with accuracies of more than 98% is implemented by the developed sensor under both non-visible-light and fluctuant ambient-light brightness conditions. This remarkable performance indicates the superiority of the proposed technique for automotive security applications in particular.
机译:通过使用低噪声读出电路和像素内横向电场电荷调制器(LEFM)技术,可以实现时间随机噪声和90.1%的最大电荷调制比。所开发的传感器在不可见光和波动的环境光亮度条件下都可以实现精度超过98%的非接触式HR检测。这一卓越的性能表明了所提出的技术尤其适用于汽车安全应用。

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