A transmission wave field imaging method, comprising the transmission of an incident wave field into an object, the incident wave field propagating into the object and, at least, partially scattering. Also includes the measuring of a wave field transmitted, at least in part, through an object to obtain...http://www.google.com.hk/patents/US7841982?utm_source=gb-gplus-share專利 US7841982 - Apparatus and method for imaging objects with wavefields
