Three-dimensional vascular network projective reconstruction from uncalibrated and non-subtracted x-ray rotational angiography image sequence

Moez Chakchouk; Sylvie Sevestre-Ghalila; Faouzi Ghorbel; Faouzi Tenzekhti; Radhi Hamza

doi:10.1117/12.467164

9 May 2002 Three-dimensional vascular network projective reconstruction from uncalibrated and non-subtracted x-ray rotational angiography image sequence

Moez Chakchouk, Sylvie Sevestre-Ghalila, Faouzi Ghorbel, Faouzi Tenzekhti, Radhi Hamza

Author Affiliations +

Proceedings Volume 4684, Medical Imaging 2002: Image Processing; (2002) https://doi.org/10.1117/12.467164
Event: Medical Imaging 2002, 2002, San Diego, California, United States

Abstract

X-ray rotational angiography has recently gained increasing interest for computer-assisted quantitative analysis. It provides more accurate assessment of vascular diseases and precise inspection of complex structure of the arterial network via three-dimensional (3D) vascular reconstruction. The 3D spatial information can be obtained via a stereoscopic analysis of the two-dimensional (2D) projections of the opacified blood vessels. In this work, we focus on the problem of automatic 3D reconstruction of blood vessel networks for telediagnostic applications and therefore from uncalibrated X-ray rotational angiography image sequence. Three main issues are addressed: 1) automatic accurate subpixel vascular median axis network detection from non-subtracted 2D angiography images, 2) robust matching of the extracted features by using an original method based on statistical tests, and 3) three-dimensional reconstruction through epipolar geometry determination from uncalibrated 2D images. Our reconstruction method has the advantage to be independent of the angiography acquisition system. It is therefore interesting for telemedicine and specially for telediagnostic systems.

Citation Download Citation

Moez Chakchouk, Sylvie Sevestre-Ghalila, Faouzi Ghorbel, Faouzi Tenzekhti, and Radhi Hamza "Three-dimensional vascular network projective reconstruction from uncalibrated and non-subtracted x-ray rotational angiography image sequence", Proc. SPIE 4684, Medical Imaging 2002: Image Processing, (9 May 2002); https://doi.org/10.1117/12.467164

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