Figure 2.
Flow chart for imaging from below. The ellipses indicate the input and the trapezia indicate the output. The intermediate steps are indicated by the boxes. The |$\tilde{}$| above the symbols indicates approximation.
Flow chart for imaging from below. The ellipses indicate the input and the trapezia indicate the output. The intermediate steps are indicated by the boxes. The |$\tilde{}$| above the symbols indicates approximation.
