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A. Martinez, J.R. Serra, Jordi Vitria, & J.B. Subirana. (1997). An Iconic Representation for Image Retrieval.
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A. Martinez, & Jordi Vitria. (1998). Learning mixture models with the EM algorithm and genetic algorithms.
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A. Martinez, & Jordi Vitria. (1998). Visual annotation for mobile robot navigation.
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A. Martinez, & Jordi Vitria. (1997). A first step towards a low-dimensional face representation space.
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A. Martinez, & Jordi Vitria. (1996). Dimensionality reduction for face recognition.
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A. Martinez, & Jordi Vitria. (1996). From visual scanning to object recognition.
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A. Martinez, & Robert Benavente. (1998). The AR face database.
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A. Pagani. (2002). Analisis y comparacion de metodos para la caracterizacion de la respuesta espectral de camaras.
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A. Quingles. (2001). Particio de sòlids.
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Agata Lapedriza. (2005). Face Classification using External Face Features.
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Ahmed Mounir Gad. (2010). Object Localization Enhancement by Multiple Segmentation Fusion (Vol. 152). Master's thesis, , .
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Albert Andaluz. (2009). LV Contour Segmentation in TMR images using Semantic Description of Tissue and Prior Knowledge Correction (Vol. 142). Master's thesis, , Bellaterra 08193, Barcelona, Spain.
Abstract: The Diagnosis of Left Ventricle (LV) pathologies is related to regional wall motion analysis. Health indicator scores such as the rotation and the torsion are useful for the diagnose of the Left Ventricle (LV) function. However, this requires proper identification of LV segments. On one hand, manual segmentation is robust, but it is slow and requires medical expertise. On the other hand, the tag pattern in Tagged Magnetic Resonance (TMR) sequences is a problem for the automatic segmentation of the LV boundaries. Consequently, we propose a method based in the classical formulation of parametric Snakes, combined with Active Shape models. Our semantic definition of the LV is tagged tissue that experiences motion in the systolic cycle. This defines two energy potentials for the Snake convergence. Additionally, the mean shape corrects excessive deviation from the anatomical shape. We have validated our approach in 15 healthy volunteers and two short axis cuts. In this way, we have compared the automatic segmentations to manual shapes outlined by medical experts. Also, we have explored the accuracy of clinical scores computed using automatic contours. The results show minor divergence in the approximation and the manual segmentations as well as robust computation of clinical scores in all cases. From this we conclude that the proposed method is a promising support tool for clinical analysis.
Keywords: Active Contour Models; Snakes; Active Shape Models; Deformable Templates; Left Ventricle Segmentation; Generalized Orthogonal Procrustes Analysis; Harmonic Phase Flow; Principal Component Analysis; Tagged Magnetic Resonance
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Albert Gordo. (2009). A Cyclic Page Layout Descriptor for Document Classification & Retrieval (Vol. 128). Master's thesis, , Bellaterra, Barcelona.
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Alejandro Gonzalez Alzate. (2011). Evaluation of spatiotemporal descriptors for pedestrian detection in video sequences (Vol. 166). Master's thesis, , .
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Alex Caralps. (2000). Estudi de viabilitat per la inspeccio automatica de cintes elastiques amb silicona.
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