Three-dimensional ultrasonic imaging employing a time-domain synthetic aperture focusing technique

Author

Waszak, John ; Ludwig, Reinhold

Author_Institution

Dept. of Electr. Eng., Worcester Polytech. Inst., MA, USA

Volume

39

Issue

2

fYear

1990

fDate

4/1/1990 12:00:00 AM

Firstpage

441

Lastpage

444

Abstract

An ultrasonic nondestructive testing (NDT) imaging system is presented. The algorithm uses a synthetic aperture focusing technique to generate three-dimensional (3-D) images of hidden flaws in aluminum samples. The graphics software, developed in the C programming language, is capable of displaying 3-D images on the screen of a personal computer. Image zooming allows the inspection of localized areas. A 80386-based host computer is used to speed up the algorithmic computations and to improve the overall system speed. The generated images are of high definition, thus demonstrating the success of such a PC-based system

Keywords

acoustic imaging; computer graphics; computerised instrumentation; computerised picture processing; flaw detection; microcomputer applications; ultrasonic materials testing; 3-D images; 80386-based host computer; Al; C programming language; graphics software; hidden flaws; image zooming; inspection; personal computer; time-domain synthetic aperture focusing; ultrasonic imaging; ultrasonic nondestructive testing; Aluminum; Computer graphics; Computer languages; Focusing; Image generation; Inspection; Microcomputers; Nondestructive testing; Time domain analysis; Ultrasonic imaging;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/19.52534

Filename

52534