• 手指静脉识别仪包括红外线LED黑白相机传感器红外LED灯发出红外射线,红外射线穿透手指时,手指静脉的血红蛋白将吸收红外光因此图像中静脉将变为黑色

    Each unit houses a near-infrared (NIR) LED and monochrome CCD camera sensor, so as the red pigment in blood (hemoglobin) absorbs NIR light, veins appear as dark lines on the resulting image.

    youdao

  • 手指静脉识别仪包括红外线LED黑白相机传感器红外LED灯发出红外射线,红外射线穿透手指时,手指静脉的血红蛋白将吸收红外光因此图像中静脉将变为黑色

    Each unit houses a near-infrared (NIR) LED and monochrome CCD camera sensor, so as the red pigment in blood (hemoglobin) absorbs NIR light, veins appear as dark lines on the resulting image.

    youdao

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