HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Goris, M. L. Articles by Kriss, J. P. Search for Related Content PubMed PubMed Citation Articles by Goris, M. L. Articles by Kriss, J. P.

Interpolative Background Subtraction

Stanford University Medical Center, Stanford, California

Correspondence: For reprints contact: M. L. Goris, Div. of Nuclear Medicine, Stanford University Medical Center, Stanford, CA 94305.

ABSTRACT

A method for background subtraction is presented. The data are digitized scintigraphic images, stored in 64 x 64 frames. Within this array a rectangular area surrounding the target is defined. All data points outside of the area are set equal to zero. From each data point within the area, the computer subtracts a background value equal to the average of the two intersecting linear interpolations between the values at the edges of the rectangular area having the ordinate and abscissa values of the point of interest. The rationale for this approach is discussed and its application in myocardial perfusion studies is illustrated.

This article has been cited by other articles:

				B. A. Davis, C. O'Sullivan, P. H. Jarritt, and J. B. Porter Value of sequential monitoring of left ventricular ejection fraction in the management of thalassemia major Blood, July 1, 2004; 104(1): 263 - 269. [Abstract] [Full Text] [PDF]

				F. T. Jensen, O. Lund, and M. Erlandsen Reliability of Three Computer Methods in the Analysis of ECG-Gated Radionuclide Left Ventriculography: Interrecording, Interobserver and Intraobserver Variability Angiology, November 1, 1991; 42(11): 866 - 877. [Abstract] [PDF]

				O. Lund and F. T. Jensen Late Cardiac Deaths After Isolated Valve Replacement for Aortic Stenosis. Relation to Impaired Left Ventricular Diastolic Performance Angiology, March 1, 1989; 40(3): 199 - 208. [Abstract] [PDF]