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Fig. 2 | BMC Medical Informatics and Decision Making

Fig. 2

From: Ear biometrics for patient identification in global health: a field study to test the effectiveness of an image stabilization device in improving identification accuracy

Fig. 2

This figure shows the image stabilization device (the Donut). The leftmost image shows the back of the Donut, where the phone is attached. The bubble level is mounted on the top of the back of the Donut to control for angle rotation during image capture. The middle image shows looking into the Donut, the LED strip is laid along the inner base of the Donut. The right image demonstrates use of the Donut. The phone is mounted on the left, while the Donut interfaces with the participant on the right

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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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