Fig. 4From: Measurement of 1–10 Hz 3D vibration modes with a CT-scannera Projection of the liver at angle \(8\pi /5\) and b, c two initial projections corresponding to two different vibration states. The ground truth amplitudes for mode 1–2–3 are respectively for b and c [0.40; 0.76; − 0.19] and [0.32; − 0.20; − 0.23]. Note that projections are shown with the acquisition scale factor [0.56, 1.6]Back to article page