摘要：A new imaging modality framework, called
elasto-mammography, is proposed to generate the elastograms of
breast tissues based on conventional X-ray mammography. The
displacement information is extracted from mammography projections
before and after breast compression. Incorporating the
displacement measurement, an elastography reconstruction algorithm
is specifically developed to estimate the elastic moduli of
heterogeneous breast tissues. Case studies with numerical breast
phantoms are conducted to demonstrate the capability of the
proposed elasto-mammography. Effects of noise with measurement,
geometric mismatch, and elastic contrast ratio are evaluated in
the numerical simulations. It is shown that the proposed
methodology is stable and robust for characterization of the
elastic moduli of breast tissues from the projective displacement
measurement.
