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

Figure 1

Schematic diagram of the autofocus and stereo hybrid methods embedded in a 3D BVS system.

(a) Schematic diagram of movement of the cameras in our system

(b) Schematic view of the stereo optical system embedded in a 3D BVS system

(c) 8 bit Pixel images of CMOS camera 1 and 2 (three rows) and deviation lengths 𝐵₁and 𝐵₂