Biomedical subjects
F Lavenne
Publications and source records attributed to F Lavenne.
[Prognosis of pulmonary arterial hypertension in coal miners' pneumoconiosis and obstructive bronchopneumopathies].
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[Reproducibility of respiratory function tests applicable to epidemiologic surveys of bronchitis].
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[Pneumoconioses and work capacity].
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[Operated myxoma of the right auricle].
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[Influence of aluminum nicotinate on serum lipids].
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[Recurrent ventricular tachycardia cured by resection of a parietal aneurysm of the left ventricle].
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[In memoriam. Joseph-Pierre Hoet 1899-1968].
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[Compression of the pulmonary artery and the aorta by a thymic tumor].
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[Primary malignant tumors of the pericardium].
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[Clinical and hemodynamic problems in obstructive cardiomyopathies of the left ventricle].
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[Tricuspid insufficiency and interventricular communication due to a closed thoracic injury. Surgical correction].
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[Contribution of radioisotopic methods to the diagnosis of arterial hypertension].
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[Interventricular communications with protodiastolic murmur].
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[Pulmonary circulation in pneumoconiosis].
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[Detection of minimal left-right shunts by hydrogen inhalation].
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[Diffuse interstitial fibrosis and pneumoconiosis of coal miners].
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Delineation and quantitation of brain lesions by fuzzy clustering in positron emission tomography.
In this study, we investigate the application of the fuzzy clustering to the anatomical localization and quantitation of brain lesions in Positron Emission Tomography (PET) images. The method is based on the Fuzzy C-Means (FCM) algorithm. The algorithm segments the PET image data points into a given number of clusters. Each cluster is an homogeneous region of the brain (e.g. tumor). A feature vector is assigned to a cluster which has the highest membership degree. Having the label affected by the FCM algorithm to a cluster, one may easily compute the corresponding spatial localization, area and perimeter. Studies concerning the evolution of a tumor after different treatments in two patients are presented.