Search Results - "Sacchi, D."

A Fast and Automatic Sparse Deconvolution in the Presence of Outliers by Gholami, A., Sacchi, M. D.

“…We present an efficient deconvolution method to retrieve sparse reflectivity series from seismic data in the presence of additive Gaussian and non-Gaussian…”
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Fallopian tube entrapped within inflammatory or endometriotic ovarian cyst may mimic malignancy by Scioscia, M., Virgilio, B. A., Sacchi, D., Iaria, L., Guerriero, S.

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Incidental diagnosis on transvaginal ultrasound of appendiceal mucocele arising on low‐grade appendiceal mucinous neoplasm by Virgilio, B. A., Pontrelli, G., Trevisan, P., Sacchi, D., Bernardini, T., Scioscia, M.

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Endometrioid borderline ovarian tumor arising from endometriotic cyst: short‐term change of sonographic appearance by Virgilio, B. A., Pontrelli, G., Fattizzi, N., Sacchi, D., Basile, F., Noventa, M., Scioscia, M.

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Multichannel filtering and reconstruction of ultrasonic guided wave fields using time intercept-slowness transform by Tran, Tho N H T, Le, Lawrence H, Sacchi, Mauricio D, Nguyen, Vu-Hieu, Lou, Edmond H M

“…Multichannel ultrasonic axial-transmission data are multimodal by nature. As guided waves are commonly used in nondestructive material testing, wave field…”
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Shear wave reflectivity imaging of the Nazca-South America subduction zone: Stagnant slab in the mantle transition zone? by Contenti, Sean, Gu, Yu Jeffrey, Ökeler, Ahmet, Sacchi, Mauricio D.

“…In this study we utilize over 5000 SS waveforms to investigate the high‐resolution mantle reflectivity structure down to 1200 km beneath the South American…”
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Efficient Tensor Completion Methods for 5-D Seismic Data Reconstruction: Low-Rank Tensor Train and Tensor Ring by Liu, Dawei, Sacchi, Mauricio D., Chen, Wenchao

“…Five-dimensional seismic reconstruction is receiving increasing attention and can be viewed as a tensor completion problem, which involves reconstructing a…”
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Shortest-path ray tracing on self-adapting random grids by Quiaro, Alejandro, Sacchi, Mauricio D

“…SUMMARY A new ray tracing algorithm based on the shortest path method was designed and optimized to model seismic rays. The workflow is based on Dijkstra’s…”
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Optimal Seismic Sensor Placement Based on Reinforcement Learning Approach: An Example of OBN Acquisition Design by Guo, Yi, Lin, Rongzhi, Sacchi, Mauricio D.

“…Seismic acquisition costs are directly associated with the number of sensors used in the survey. Limiting the number of sensors in a seismic survey can be…”
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The National Italian Guidelines on the diagnosis and treatment of children with pediatric ataxias by Lacorte, Eleonora, Piscopo, Paola, Sagliocca, Luciano, Vignatelli, Luca, Taruscio, Domenica, Vanacore, Nicola

“…BackgroundAtaxia is a rare neurological condition causing a deficit in the coordination of motor activities, preventing the fluidity of movements. Children…”
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Parametric Convolutional Dictionary Learning and Its Applications to Seismic Data Processing by Chen, Hongling, Sacchi, Mauricio D., Gao, Jinghuai

“…Convolutional dictionary learning can represent signals and images via the superposition of components given by the convolution of sparse coefficients…”
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Imaging mantle discontinuities using least squares Radon transform by An, Yuling, Gu, Yu Jeffrey, Sacchi, Mauricio D.

“…Differential traveltimes of SS precursors have been widely used to map large‐scale mantle structure and depths of discontinuities. Measurements are commonly…”
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Surface-Consistent Sparse Multichannel Blind Deconvolution of Seismic Signals by Kazemi, Nasser, Bongajum, Emmanuel, Sacchi, Mauricio D.

“…We describe a method that allows for blind surface consistent estimation of the source and receiver wavelets of seismic signals. This is very relevant for…”
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Interpolation and extrapolation using a high-resolution discrete Fourier transform by Sacchi, M.D., Ulrych, T.J., Walker, C.J.

“…We present an iterative nonparametric approach to spectral estimation that is particularly suitable for estimation of line spectra. This approach minimizes a…”
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Iterative Deblending of Simultaneous-Source Seismic Data via a Robust Singular Spectrum Analysis Filter by Lin, Rongzhi, Bahia, Breno, Sacchi, Mauricio D.

“…We solve the simultaneous source separation problem by adopting the projected gradient descent (PGD) method to iteratively estimate the data one would acquire…”
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Seismic data reconstruction using multidimensional prediction filters by Naghizadeh, M., Sacchi, M.D.

“…ABSTRACT In this paper we discuss a beyond‐alias multidimensional implementation of the multi‐step autoregressive reconstruction algorithm for data with…”
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A regularization by denoising (RED) scheme for 3-D FWI model updates in large-contrast media by Anagaw, Amsalu, Sacchi, Mauricio D

“…SUMMARY Full waveform inversion (FWI) endeavours to estimate high-resolution physical properties of subsurface structures. The technique minimizes the data…”
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Circulating Micrornas Predict Survival of Patients with Tumors of Glial Origin by Drusco, Alessandra, Fadda, Paolo, Nigita, Giovanni, Fassan, Matteo, Bottoni, Arianna, Gardiman, Marina P, Sacchi, Diana, Calore, Federica, Carosi, Mariantonia, Antenucci, Anna, Casini, Beatrice, Kelani, Hesham, Pescarmona, Edoardo, Di Leva, Gianpiero, Zanesi, Nicola, Berger, Mitchell S, Croce, Carlo M

“…The World Health Organization has recently introduced molecular prognostic-diagnostic biomarkers in the classification of Central Nervous System (CNS) tumors…”
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Waveform inversion of SS precursors: An investigation of the northwestern Pacific subduction zones and intraplate volcanoes in China by Dokht, Ramin M.H., Gu, Yu Jeffrey, Sacchi, Mauricio D.

“…The arrival time and amplitude of underside reflections from mantle seismic discontinuities (SS precursors) have made major contributions to the understanding…”
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Robust f‐x projection filtering for simultaneous random and erratic seismic noise attenuation by Chen, Ke, Sacchi, Mauricio D.

“…ABSTRACT Linear prediction filters are an effective tool for reducing random noise from seismic records. Unfortunately, the ability of prediction filters to…”
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