Development of Automatic 3D Blood Vessel Search and Automatic Blood Sampling System by Using Hybrid Stereo-Autofocus Method

<table>Image of the blood vessel in the human finger. The NIR light wavelength is 870 nm.</table>

International Journal of Optics

Figure 4: Development of Automatic 3D Blood Vessel Search and Automatic Blood Sampling System by Using Hybrid Stereo-Autofocus Method 