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Fast 3D reconstruction of the spine from biplanar radiographs using a deformabl...

This paper proposes a novel method for fast 3D reconstructions of the scoliotic spine from two planar radiographs. The method uses a statistical model of the shape of the spine for computing the 3D reconstruction that best matches the user input (about 7 control points per radiograph). In addition, the spine was modelled as an articulated structure to take advantage of the dependencies between adjacent vertebra...

A Flexible Approach for the Calibration of Biplanar Radiography of the Spine on...

This paper presents a new method for the calibration of biplanar radiography that makes possible performing 3D reconstructions of the spine using conventional radiological systems. A novel approach is proposed in which a measuring device is used for determining focal distance and have a rough estimation of translation parameters. Using these data, 3D reconstructions of the spine with correct scale were successf...

Fast 3D reconstruction of the spine by non-expert users using a statistical art...

Three-dimensional spine reconstruction methods currently used to study scoliosis require manual identification of several anatomical features, which is time-consuming, costly and error-prone.

Semi-automatic quantification of the epicardial fat in CT images

In this work we present a technique to automatically or semi-automatically quantify the epicardial fat in noncontrasted Computed Tomography (CT) images. In CT images, the epicardial fat is very close to the pericardial fat, distincted only by the pericardium. The pericardium appears in the image as a very thin line, very hard to discriminate. To enhance the pericardium line and to remove noise as well as higher...

Calibration of bi-planar radiography with a minimal-size calibration object

A Gait Analysis Laboratory for Motion Rehabilitation of Patients with Musculosk...

This paper describes the technology (software & hardware) used in the Gait Analysis Labora-tory of CRPG – Centro de Reabilitação Profissional de Gaia. This laboratory is mainly intended to support CRPG with quantitative data for clinical rehabilitation of patients with musculoskeletal pathologies, namely in the lower limbs. Usually, for the gait analysis is considered data obtained from several acquisitio...