TY  - CONF
AU  - Simone Balocco
AU  - Francesco Ciompi
AU  - Juan Rigla
AU  - Xavier Carrillo
AU  - J. Mauri
AU  - Petia Radeva
A2  - MICCAIW
PY  - 2017//
TI  - Intra-Coronary Stent localization In Intravascular Ultrasound Sequences, A Preliminary Study
T2  - LNCS
BT  - International workshop on Computing and Visualization for Intravascular Imaging and Computer Assisted Stenting  (CVII-STENT)
N2  - An intraluminal coronary stent is a metal scaold deployed in a stenotic artery during Percutaneous Coronary Intervention (PCI).Intravascular Ultrasound (IVUS) is a catheter-based imaging technique generally used for assessing the correct placement of the stent. All the approaches proposed so far for the stent analysis only focused on the struts detection, while this paper proposes a novel approach to detect the boundaries and the position of the stent along the pullback.The pipeline of the method requires the identication of the stable framesof the sequence and the reliable detection of stent struts. Using this data,a measure of likelihood for a frame to contain a stent is computed. Then,a robust binary representation of the presence of the stent in the pullbackis obtained applying an iterative and multi-scale approximation of the signal to symbols using the SAX algorithm. Results obtained comparing the automatic results versus the manual annotation of two observers on 80 IVUS in-vivo sequences shows that the method approaches the inter-observer variability scores.
L1  - http://refbase.cvc.uab.es/files/BCR2017.pdf
N1  - MILAB; no proj
ID  - Simone Balocco2017
ER  -