Vincent Lévesque

Experimental Results

Flat Surface

In this experiment, a fingertip is moving from left to right over a flat surface. No coherent pattern of deformations is discernible.

(a) Illustration (not to scale).

(b) Fingerprint.

Figure 1. Finger sliding over a flat surface.

(a) Interval of 1 frame.

(b) Interval of 11 frames.

Figure 2. Measurements obtained from the relative variations in edge length.

(a) Interval of 1 frame.

(b) Interval of 11 frames.

Figure 3. Measurements obtained from the relative variations in area.