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. 2018 May 5;18(5):1441. doi: 10.3390/s18051441

Figure 1.

Figure 1

(a) General view of the previously developed handheld VIS-NIR multispectral device. (b) General view of the handheld exNIR multispectral device. (c) Components of the exNIR imaging system: 1—InGaAs camera, 2—Ring of LEDs, 3—Tip of PVC cone, 4—Ring of LEDs placed at the tip. 5—Handheld case, 6—AutoCad design, 7—Electronic control, and 8—Handheld case with camera inside. (d) Clinical measurement and metallic ring, which is glued to the patient’s skin for the tip of both systems to place them in the same position and parallel to the skin, without making any contact.