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Journal of Diagnostic Medical Sonography
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Computer Fundamentals in Diagnostic Ultrasound Imaging

W. R. Hedrick, Phd

Radiology Department, Aultman Hospital, 2600 Sixth Street, S.W., Canton, OH 44710; Radiology Department, St. Joseph Hospital & Health Center, Lorain, Ohio.

D. L. Hykes, MS

Radiology Department, Aultman Hospital, Canton, Ohio; Radiology Department, St. Joseph Hospital & Health Center, Lorain, Ohio.

With the incorporation of the digital scan converter in real-time instruments, the computer has assumed an expanding role in diagnostic ultrasound imaging. A knowledge of computer fundamentals is essential for understanding the operation of present day scanners. The concepts of binary notation, memory capacity, analog-to-digital conversion, and the matrix format in digital imaging are discussed in detail. The accuracy of the analog-to-digital conversion is addressed with multiple illustrative examples. Data base management as a practical tool in the clinical environment is introduced.

Key Words: computers • digital imaging • analog-to-digital conversion

Journal of Diagnostic Medical Sonography, Vol. 5, No. 6, 293-300 (1989)
DOI: 10.1177/875647938900500603
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