Method for processing ultrasonic echo signals of both directionally reflecting as well as nondirectionally scattering objects, particularly for ultrasonic image processing in the field of substance or tissue investigation

US4418575A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Eckart Hundt · Haar, DE
• Elmar Trautenberg · Ergolding, DE

Key dates

• Filing date: May 15, 1981
• Grant date: Dec 6, 1983
• Expiry date: May 15, 2001

Classification

• Technology area (CPC G): Physics
• CPC primary: G01S7/52057
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

In an exemplary embodiment partial images of an object are obtained by scanning the object from different directions, e.g. by compound scanning. For a given object region or point, the different partial images may include a response maximum signifying a directionally reflecting region. Other object regions may provide echo signal amplitudes in a range signifying a locally isotropic scattering. According to the disclosure, the partial images are linked or combined taking account of the nature of the respective object regions as being directionally reflecting or nondirectionally scattering.