Optical Flow Based Approach for Automatic Cardiac Cycle Estimation in Ultrasound Images of the Carotid

被引：0

作者：

Araujo, Teresa ^{[1
,2
]}

Aresta, Guilherme ^{[1
,2
]}

Rouco, Jose ^{[1
]}

Ferreira, Carmen ^{[3
]}

Azevedo, Elsa ^{[3
]}

Campilho, Aurelio ^{[1
,2
]}

机构：

[1] INESC TEC INESC Tecnol & Ciencia, Oporto, Portugal

[2] Univ Porto, Fac Engn, P-4100 Oporto, Portugal

[3] Univ Porto, Fac Med, P-4100 Oporto, Portugal

来源：

IMAGE ANALYSIS AND RECOGNITION (ICIAR 2015) | 2015年 / 9164卷

关键词：

Optical flow; Carotid ultrasound; Electrocardiogram; Heart rate; INTIMA-MEDIA THICKNESS; MOTION ANALYSIS; ARTERY WALL; SEGMENTATION;

D O I：

10.1007/978-3-319-20801-5_39

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This paper proposes a method to detect a reference frame in an ultrasound video of the carotid artery. This reference frame, usually located at the end of the diastole, is used as the location to measure several vascular biomarkers. Our approach is based on the analysis of the movement of the carotid walls in ultrasound images using an optical flow technique. A periodic movement resembling heart beat is observed in the resulting signals. The comparison of these signals with electrocardiograms validates the proposed method for detecting the reference frame.

引用

页码：360 / 367

页数：8

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