Search Results - "Castellani, U."

Learning class-specific descriptors for deformable shapes using localized spectral convolutional networks by Boscaini, D., Masci, J., Melzi, S., Bronstein, M. M., Castellani, U., Vandergheynst, P.

“…In this paper, we propose a generalization of convolutional neural networks (CNN) to non‐Euclidean domains for the analysis of deformable shapes. Our…”
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FARM: Functional Automatic Registration Method for 3D Human Bodies by Marin, R., Melzi, S., Rodolà, E., Castellani, U.

“…We introduce a new method for non‐rigid registration of 3D human shapes. Our proposed pipeline builds upon a given parametric model of the human, and makes use…”
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Localized Manifold Harmonics for Spectral Shape Analysis by Melzi, S., Rodolà, E., Castellani, U., Bronstein, M. M.

“…The use of Laplacian eigenfunctions is ubiquitous in a wide range of computer graphics and geometry processing applications. In particular, Laplacian…”
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Improved Functional Mappings via Product Preservation by Nogneng, D., Melzi, S., Rodolà, E., Castellani, U., Bronstein, M., Ovsjanikov, M.

“…In this paper, we consider the problem of information transfer across shapes and propose an extension to the widely used functional map representation. Our…”
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Sparse points matching by combining 3D mesh saliency with statistical descriptors by Castellani, U., Cristani, M., Fantoni, S., Murino, V.

“…This paper proposes new methodology for the detection and matching of salient points over several views of an object. The process is composed by three main…”
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Localized Shape Modelling with Global Coherence: An Inverse Spectral Approach by Pegoraro, M., Melzi, S., Castellani, U., Marin, R., Rodolà, E.

“…Many natural shapes have most of their characterizing features concentrated over a few regions in space. For example, humans and animals have distinctive head…”
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Classification of schizophrenia using feature-based morphometry by Castellani, U., Rossato, E., Murino, V., Bellani, M., Rambaldelli, G., Perlini, C., Tomelleri, L., Tansella, M., Brambilla, P.

“…The objective of this study was to use a combined local descriptor, namely scale invariance feature transform (SIFT), and a non linear support vector machine…”
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Shape Retrieval of Non-rigid 3D Human Models by Pickup, D., Sun, X., Rosin, P. L., Martin, R. R., Cheng, Z., Lian, Z., Aono, M., Hamza, A. Ben, Bronstein, A., Bronstein, M., Bu, S., Castellani, U., Cheng, S., Garro, V., Giachetti, A., Godil, A., Isaia, L., Han, J., Johan, H., Lai, L., Li, B., Li, C., Li, H., Litman, R., Liu, X., Liu, Z., Lu, Y., Sun, L., Tam, G., Tatsuma, A., Ye, J.

“…3D models of humans are commonly used within computer graphics and vision, and so the ability to distinguish between body shapes is an important shape…”
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Brain Perfusion Characterizes First Episode of Psychosis Patients in Respect to Healthy Controls by Squarcina, L, Perlini, C, Peruzzo, D, Castellani, U, Marinelli, V, Bellani, M, Rambaldelli, G, Lasalvia, A, Tosato, S, De Santi, K, Spagnolli, F, Cardobi, N, Cerini, R, Ruggeri, M, Brambilla, P

“…Introduction Vascular changes in the brain are relevant in schizophrenia [e.g. 1] and in bipolar disorder [2]. The study of first episode psychosis (FEP)…”
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Geo-located image analysis using latent representations by Cristani, M., Perina, A., Castellani, U., Murino, V.

“…Image categorization is undoubtedly one of the most challenging open problems faced in computer vision, far from being solved by employing pure visual cues…”
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A hybrid generative/discriminative classification framework based on free-energy terms by Perina, A, Cristani, M, Castellani, U, Murino, V, Jojic, N

“…Hybrid, generative-discriminative, techniques have proven to be valuable approaches in tackling difficult object or scene recognition problems. In general, a…”
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DCE-MRI data analysis for cancer area classification by Castellani, Umberto, Cristiani, M, Daducci, A, Farace, P, Marzola, P, Murino, V, Sbarbati, A

“…The paper aims at improving the support of medical researchers in the context of in-vivo cancer imaging. Morphological and functional parameters obtained by…”
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Geo-located image categorization and location recognition by Cristani, M., Perina, A., Castellani, U., Murino, V.

“…Image categorization is undoubtedly one of the most recent and challenging problems faced in Computer Vision. The scientific literature is plenty of methods…”
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A complete system for on-line 3D modelling from acoustic images by Castellani, U., Fusiello, A., Murino, V., Papaleo, L., Puppo, E., Pittore, M.

“…This paper presents a system for the three-dimensional (3D) reconstruction of an underwater environment on the basis of multiple range views from an acoustical…”
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Brain morphometry by probabilistic latent semantic analysis by Castellani, U, Perina, A, Murino, V, Bellani, M, Rambaldelli, G, Tansella, M, Brambilla, P

“…The paper propses a new shape morphometry approach that combines advanced classification techniques with geometric features to identify morphological…”
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Free Energy Score Spaces: Using Generative Information in Discriminative Classifiers by Perina, A., Cristani, M., Castellani, U., Murino, V., Jojic, N.

“…A score function induced by a generative model of the data can provide a feature vector of a fixed dimension for each data sample. Data samples themselves may…”
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3D acoustic image segmentation by a RANSAC-based approach by Tao, L., Castellani, U., Fusiello, A., Murino, V.

“…In this paper, a new technique for 3D acoustic image segmentation and modelling is proposed. Especially, in the underwater environment, in which optical…”
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Registration of very time-distant aerial images by Murino, V., Castellani, U., Etrari, A., Fusiello, A.

“…We address the alignment of historical and present-day aerial photographs. Historical images refer to regions bombed during the Second World War. In these…”
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Reconstruction of complex environments by robust pre-aligned ICP by Murino, V., Ronchetti, L., Castellani, U., Fusiello, A.

“…This paper proposes a technique for three-dimensional reconstruction of an underwater environment from range views acquired by an acoustic camera. The final…”
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Statistical 3D Shape Analysis by Local Generative Descriptors by Castellani, U., Cristani, M., Murino, V.

“…In this paper, we propose a new approach for surface representation. Generative models are exploited for encoding the variations of local geometric properties…”
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