Motion and display effects on perception of multiple coronary stents

Sheng Zhang; Craig K. Abbey; Arian Teymoorian; Xiaolin Da; James S. Whiting; Miguel P. Eckstein

doi:10.1117/12.813858

12 March 2009 Motion and display effects on perception of multiple coronary stents

Sheng Zhang, Craig K. Abbey, Arian Teymoorian, Xiaolin Da, James S. Whiting, Miguel P. Eckstein

Proceedings Volume 7263, Medical Imaging 2009: Image Perception, Observer Performance, and Technology Assessment; 726306 (2009) https://doi.org/10.1117/12.813858
Event: SPIE Medical Imaging, 2009, Lake Buena Vista (Orlando Area), Florida, United States

Abstract

The placement of multiple coronary stents requires fine judgments of distance between a deployed stent and stent/guidewire assembly. The goal of this deployment is to achieve continuous and gapless coverage between them. However, making these judgments is difficult because of limited system resolution, noise, relatively low contrast of the deployed stent, and stent motion during the cardiac cycle. In this work, we extend our previous work by investigating wider range of conditions associated with this task. The present studies consider number of frames and frame rate separately, and include stabilization of the stents as a way to quantify the performance effects of stent motion. We find that (1) stabilization reduces the uncertainty when detecting the gap size; (2) observer performance increases with the number of frames; (3) the effect of display frame rate is highly dependent on the motion of the target.

Citation Download Citation

Sheng Zhang, Craig K. Abbey, Arian Teymoorian, Xiaolin Da, James S. Whiting, and Miguel P. Eckstein "Motion and display effects on perception of multiple coronary stents", Proc. SPIE 7263, Medical Imaging 2009: Image Perception, Observer Performance, and Technology Assessment, 726306 (12 March 2009); https://doi.org/10.1117/12.813858

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