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Gemma Sanchez, Josep Llados, & K. Tombre. (2001). An Error-Correction Graph Grammar to Recognize Textured Symbols..
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A.F. Sole, S. Ngan, G. Sapiro, X. Hu, & Antonio Lopez. (2001). Anisotropic 2-D and 3-D Averaging of fMRI Signals. IEEE Transactions on Medical Imaging, 2020(2), 86–93.
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Ricardo Toledo. (2001). Cardiac workstation and dynamic model to assist in coronary tree analysis. (Petia Radeva, & JuanJose Villanueva, Eds.). Ph.D. thesis, , .
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Maria Vanrell, Felipe Lumbreras, A. Pujol, Ramon Baldrich, Josep Llados, & Juan J. Villanueva. (2001). Colour Normalisation Based on Background Information..
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Petia Radeva, & Joan Serrat. (1993). Rubber Snake: Implementation on Signed Distance Potential. In Vision Conference (pp. 187–194).
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Petia Radeva. (1993). A Rule-Based Approach to Hand X-Ray image Segmentation. In Computer Analysis of Images and Patterns. CAIP (Vol. 719, pp. 641–648). LNCS.
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Antonio Lopez, David Lloret, Joan Serrat, & Juan J. Villanueva. (2000). Multilocal Creaseness Based on the Level-Set Extrinsic Curvarture..
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Petia Radeva. (1993). Segmentacion de Imagenes Radiograficas con Snakes. Aplicacion a la Determinacion de la Madurez Osea..
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Antonio Lopez. (2000). Multilocal Methods for Ridge and Valley Delineation in Image Analysis. (Joan Serrat, Ed.). Ph.D. thesis, , .
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V. Valev, & Petia Radeva. (1993). On the Determining of Non-Reducible Descriptors for Multidimensional Pattern Recognition Problems. In Pattern Recognition and image Analysis (Vol. 3, pp. 258–265).
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Xavier Roca, & Jordi Vitria. (1993). Multiscale Structure Extraction using Morphological Tools. Applications to Edge Detection. In SPIE International Symposium on Optical Instrumentation and Applied Science (Conference on image Algebra and Morphological image Processing IV)..
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D. Rincon, E. Frumento, R. Fogliardi, & M. Angel Viñas. (2000). Carmen/Carolin: Description and Results of an International Experience of Telemedicine..
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Maria Vanrell, & Jordi Vitria. (1993). Mathematical Morphology, Granulometries and Texture Perception. In SPIE International Symposium on Optical Instrumentation and Applied Science (Conference on image Algebra and Morphological image Processing IV)..
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F. de la Torre, Jordi Vitria, Petia Radeva, & J. Melenchon. (2000). EigenFiltering for flexible Eigentracking. In 15 th International Conference on Pattern Recognition (Vol. 3, pp. 1118–1121).
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Amir A.Amini, Yasheng Chen, Mohamed Elayyadi, & Petia Radeva. (2001). Tag Surface Reconstruction and Tracking of Myocardial Beads from SPAMM-MRI with Parametric B-Spline Surfaces. TMI - IEEE Transactions on Medical Imaging, 94–103.
Abstract: Magnetic resonance imaging (MRI) is unique in its ability to noninvasively and selectively alter tissue magnetization, and create tag planes intersecting image slices. The resulting grid of signal voids allows for tracking deformations of tissues in otherwise homogeneous-signal myocardial regions. In this paper, we propose a specific spatial modulation of magnetization (SPAMM) imaging protocol together with efficient techniques for measurement of three-dimensional (3-D) motion of material points of the human heart (referred to as myocardial beads) from images collected with the SPAMM method. The techniques make use of tagged images in orthogonal views by explicitly reconstructing 3-D B-spline surface representation of tag planes (tag planes in two orthogonal orientations intersecting the short-axis (SA) image slices and tag planes in an orientation orthogonal to the short-axis tag planes intersecting long-axis (LA) image slices). The developed methods allow for viewing deformations of 3-D tag surfaces, spatial correspondence of long-axis and short-axis image slice and tag positions, as well as nonrigid movement of myocardial beads as a function of time.
Keywords: B-spline surfaces, cardiac motion, myocardial beads, myocardial infarction, tagged MRI.
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