Localization and tracking of aortic valve prosthesis in 2D fluoroscopic image sequences

M. Karar; C. Chalopin; D. R. Merk; S. Jacobs; T. Walther; O. Burgert; V. Falk

doi:10.1117/12.811509

13 March 2009 Localization and tracking of aortic valve prosthesis in 2D fluoroscopic image sequences

M. Karar, C. Chalopin, D. R. Merk, S. Jacobs, T. Walther, O. Burgert, V. Falk

Proceedings Volume 7261, Medical Imaging 2009: Visualization, Image-Guided Procedures, and Modeling; 72611Q (2009) https://doi.org/10.1117/12.811509
Event: SPIE Medical Imaging, 2009, Lake Buena Vista (Orlando Area), Florida, United States

Abstract

This paper presents a new method for localization and tracking of the aortic valve prosthesis (AVP) in 2D fluoroscopic image sequences to assist the surgeon to reach the safe zone of implantation during transapical aortic valve implantation. The proposed method includes four main steps: First, the fluoroscopic images are preprocessed using a morphological reconstruction and an adaptive Wiener filter to enhance the AVP edges. Second, a target window, defined by a user on the first image of the sequences which includes the AVP, is tracked in all images using a template matching algorithm. In a third step the corners of the AVP are extracted based on the AVP dimensions and orientation in the target window. Finally, the AVP model is generated in the fluoroscopic image sequences. Although the proposed method is not yet validated intraoperatively, it has been applied to different fluoroscopic image sequences with promising results.

Citation Download Citation

M. Karar, C. Chalopin, D. R. Merk, S. Jacobs, T. Walther, O. Burgert, and V. Falk "Localization and tracking of aortic valve prosthesis in 2D fluoroscopic image sequences", Proc. SPIE 7261, Medical Imaging 2009: Visualization, Image-Guided Procedures, and Modeling, 72611Q (13 March 2009); https://doi.org/10.1117/12.811509

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available