Title :
Compensated simulated annealing vs. dynamic programming used for boundary detection in intracoronary ultrasound
Author :
Johnson, Theresa A. ; Snyder, Wesley E. ; Herrington, David M.
Author_Institution :
Bowman Gray Sch. of Med., Winston-Salem, NC, USA
Abstract :
Intracoronary ultrasound (ICUS) is a valuable tool in the study of coronary artery disease. Accurate and robust methods using real-time automated boundary detection algorithms are needed to quantify lumen and intimal-medial areas. The authors´ approach transforms ICUS boundary detection into a recirculant multilayer graph problem with local minima. Dynamic programming (DP) and simulated annealing (SA) are two fundamentally different approaches to this optimization problem which are known to converge to the global minimum. However, time to convergence for SA is impractical. The authors compare a new optimized implementation of SA called compensated simulated annealing with DP
Keywords :
biomedical ultrasonics; cardiology; dynamic programming; medical image processing; simulated annealing; boundary detection; compensated simulated annealing; coronary artery disease; dynamic programming; intimal-medial area; intracoronary ultrasound; local minima; medical diagnostic imaging; optimization problem; recirculant multilayer graph problem; Arteries; Biomedical imaging; Costs; Dynamic programming; Medical simulation; Nonhomogeneous media; Robustness; Simulated annealing; Ultrasonic imaging; Ultrasonic variables measurement;
Conference_Titel :
Computers in Cardiology 1993, Proceedings.
Conference_Location :
London
Print_ISBN :
0-8186-5470-8
DOI :
10.1109/CIC.1993.378491