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Deep convolutional neural network for multi-level non-invasive tunnel lining assessment

Frontiers of Structural and Civil Engineering 2022年第2期16卷 214-223页

作者： Bernardino CHIAIA giulia marasco Salvatore AIELLO Department of Structural Geotechnical and Building EngineeringPolytechnic University of TurinTorino10129Italy

In recent years,great attention has focused on the development of automated procedures for infrastructures *** efforts have aimed at greater speed and reliability compared to traditional methods of assessing structural *** paper proposes a multi-level strategy,designed and implemented on the basis of periodic structural monitoring oriented to a cost-and time-efficient tunnel control *** strategy leverages the high capacity of convolutional neural networks to identify and classify potential critical *** a supervised learning framework,Ground Penetrating Radar(GPR)profiles and the revealed structural phenomena have been used as input and output to train and test such ***-based analysis and integrative investigations involving video-endoscopy,core drilling,jacking and pull-out testing have been exploited to define the structural conditions linked to GPR profiles and to create the *** degree of detail and accuracy achieved in identifying a structural condition is *** a result,this strategy appears of value to infrastructure managers who need to reduce the amount and invasiveness of testing,and thus also to reduce the time and costs associated with inspections made by highly specialized technicians.

关键词： concrete structure GPR damage classification convolutional neural network transfer learning

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Mediastinitis for an infected lung’s teratoma:clinical and surgical challenges:a case report

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中华胸部外科电子杂志 2021年第3期8卷 156-159页

作者： Domenico Loizzi Michele Piazzolla Nicoletta Pia Ardò Sara Tango Roberto De Bellis Francesco Lastaria Francesca Cialdella giulia Pacella Leonardo Fino Rita marasco Francesca Sanguedolce Francesco Sollitto Thoracic Surgery Unit University Hospital“Policlinico Riuniti”FoggiaItaly Pathology Unit University of FoggiaFoggiaItaly

Mediastinitis is a life-threatening condition caused by purulent effusion in the *** surgical treatment and proper clinical approach are the cornerstones for *** case report highlights an unusual cause of onset for this condition and describes how various approaches for this disease could be complementary.A 39-year-old man was referred to our department,with a history of recurrent pneumonia and upper left lung lobe’s opacity,from the intensive care unit(ICU)for the CT finding of *** performed a video-assisted left mini-thoracotomy and subxiphoid access to drain the purulent collection from mediastinum and pleural *** we started an unprecedented off-label multi-drug antibiotic treatment with ceftolozane/tazobactam plus fosfomycin and,after 15 days,we performed an upper left *** histological finding was suggestive of the presence of a lung’s teratoma,which had caused the *** patient was dismissed and is,nowadays,in good *** mediastinitis is essential for his rapid and proper treatment,and the surgical approach is not always sufficiently *** present case report underlines that it is mandatory to remember that rapid surgical intervention,with the right timing,right clinical approach,and multidisciplinary approach,are critical factors for mediastinitis treatment.

关键词： Empyema lung teratoma mediastinitis subxiphoid access case report

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