Title :
A comparison of 3D methods for volume quantitation in SPECT
Author :
Gennert, Michael A. ; Gosselin, David R. ; King, Michael A. ; Long, David T.
Author_Institution :
Dept. of Comput. Sci., Worcester Polytech. Inst., MA, USA
Abstract :
Three methods for detecting the edges of objects for segmentation of SPECT (single photon emission computed tomography) imagery are compared. The methods investigated are 3-D edge detection with nonmaximum suppression, 3-D Lacroix edge linking, and 3-D zero-crossings of the second directional derivative. Studies with simulated SPECT images show that the 3-D second directional derivative operator produces significantly more accurate volume quantitation than the other methods, especially when image contrast is low.<>
Keywords :
computerised tomography; radioisotope scanning and imaging; volume measurement; 3D Lacroix edge linking; 3D edge detection; 3D methods; 3D zero crossings; SPECT; image contrast; image segmentation; medical diagnostic imaging; nonmaximum suppression; nuclear medicine; second directional derivative operator; single photon emission computed tomography; volume quantitation; Biomedical imaging; Computer science; Image edge detection; Image segmentation; Joining processes; Nuclear medicine; Object detection; Optical computing; Signal to noise ratio; Single photon emission computed tomography;
Conference_Titel :
Nuclear Science Symposium and Medical Imaging Conference, 1991., Conference Record of the 1991 IEEE
Conference_Location :
Santa Fe, NM, USA
Print_ISBN :
0-7803-0513-2
DOI :
10.1109/NSSMIC.1991.259219
