BioMed Research International / 2015 / Article / Fig 1

Research Article

Discrimination between Newly Formed and Aged Thrombi Using Empirical Mode Decomposition of Ultrasound B-Scan Image

Figure 1

Illustration to explain the IER calculation. The raw RF image data were decomposed into the IMFs by using the 2D EMD. IER was defined using the first (C1) and second (C2) IMFs for signal normalization.