David Rotger

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Lumen volume variations is of great interest by the physicians given it reduces the probability of infarction as it increases. In this paper we present a fast and efficient method to detect the lumen borders in longitudinal cuts of IVUS sequences using an AdaBoost classifier trained with several local features assuring their stability. We propose a(More)
OBJECTIVES This study sought to evaluate late recoil of a novel bioabsorbable everolimus-eluting coronary stent (BVS), which is composed of a poly-L-lactic acid backbone, coated with a bioabsorbable polymer containing everolimus. BACKGROUND Little is known about the mechanical behavior of bioabsorbable polymer stents after deployment in diseased human(More)
The growing appreciation of the pathophysiological and prognostic importance of arterial morphology has led to the realization that angiograms are inherently limited in defining the distribution and extension of coronary wall disease. By Intravascular Ultrasound images physicians have a picture of the composition of vessel in detail. However, observing an(More)
Lumen volume variations is of great interest by the physicians given the more it increases with a treatment the less probability of infarction. In this paper we present a fast and efficient method to detect the lumen borders in longitudinal cuts of IVUS sequences using an AdaBoost classifier trained with several local features assuring their stability. We(More)
Bioabsorbable drug-eluting coronary stents present a very promising improvement to the common metallic ones solving some of the most important problems of stent implantation: the late restenosis. These stents made of poly-L-lactic acid cause a very subtle acoustic shadow (compared to the metallic ones) making difficult the automatic detection and(More)
In this paper we address the problem of multimodal registration of coronary vessels by developing a 3D paramet-rical model of vessel trees from computer tomography data and registering it to angiography images during intervention .Thus, the interventionist takes profit from 3D data otherwise only available before the intervention. This facilitates(More)
AbsfmefdctiveVesseI is a new multimedia workstation which enables the visualization, acquisition and handling of different medical image modalities on-and offline for cardiologv purposes. It implements DICOM v3.0 decompression and browsina video acquisition, reproduction and storage for Intravascular UltraSound (IVUS) and angiogram analysis. A distinctive(More)
ActiveVessel is a new multimedia workstation that enables the visualization, acquisition, and handling of different medical image modalities on-and off-line for cardiology purposes. The workstation implements image decompression and browsing, video acquisition, reproduction, and storage for intravascular ultrasound (IVUS) and angiogram (X-ray) analysis. A(More)
We present ActiveVessel-a new multimedia medical workstation, which supports visualization of cardiological diseases and helps early and precise diagnosis and treatment. The workstation is developed with the close participation of medical staff of University Hospital Germans Trias i Pujo, Barcelona. ActiveVessel is an advanced tool for medical image(More)
—Bioabsorbable drug-eluting coronary stents present a very promising improvement to the common metallic ones solving some of the most important problems of stent implantation: the late restenosis. These stents made of poly-L-lactic acid cause a very subtle acoustic shadow (compared to the metallic ones) making difficult the automatic detection and(More)