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Toward the use of smartphones for mobile mapping

Geo-Spatial Information Science 2016年第3期19卷 210-221页

作者： Andrea Masiero francesca fissore Francesco Pirotti Alberto Guarnieri Antonio Vettore Interdepartmental Research Center of Geomatics(CIRGEO) University of PadovaPadovaItaly

This paper considers the use of a low cost mobile device in order to develop a mobile mapping system(MMS),which exploits only sensors embedded in the *** goal is to make this MMS usable and reliable even in difficult environments(*** conditions,when also WiFi connection might not work).For this aim,a navigation system able to deal with the unavailability of the GNSS(***)is proposed *** is achieved by a pedestrian dead reckoning approach,i.e.a specific particle filter has been designed to enable good position estimations by a small number of particles(e.g.100).This specific characteristic enables its real time use on the standard mobile ***,3D reconstruction of the scene can be achieved by processing multiple images acquired with the standard camera embedded in the *** most of the vision-based 3D reconstruction systems are recently proposed in the literature,this work considers the use of structure from motion to estimate the geometrical structure of the *** detail level of the reconstructed scene is clearly related to the number of images processed by the reconstruction ***,the execution of a 3D reconstruction algorithm on a mobile device imposes several restrictions due to the limited amount of available energy and computing *** consideration motivates the search for new methods to obtain similar results with less computational *** paper proposes a novel method for feature matching,which allows increasing the number of correctly matched features between two images according to our simulations and can make the matching process more robust.

关键词： Mobile mapping positioning feature matching smartphone

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Principles of *** with like and flap thinning:two essential tools

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Plastic and Aesthetic Research 2023年第1期10卷 64-73页

作者： Davide Ciclamini Leopoldo Arioli Francesco Giacalone Bruno Battiston francesca fissore S.C.Orthopaedic and Traumatology Ⅱ-Hand and Microsurgery Surgery Unit AOU"Cittàdella Salute e della Scienza di Torino"Turin 10100Italy “Sapienza”University of Rome-Orthopaedic and Traumatology Department of Sant’Andrea University Hospital Rome 00189Italy

The"like with like"and the"flap thinning"are two workhorse principles the surgeon must keep in mind to achieve a functional and cosmetic reconstruction of the *** principles are underpinned by a thorough knowledge of anatomy and functional hand units,with a wide range of reconstructive procedures that must be finalized to the necessity of the impaired structures."Like with like"means that a lost tissue must be replaced with another one that can be compared in appearance and *** addition,good cosmetic is often associated with good function because the complex attempt to get a proper aesthetic always traduces itself into a better functional reconstruction."Flap thinning"is essential because soft tissue injuries of the hand represent a more difficult reconstructive challenge than similar injuries elsewhere,and the need for thin tissue to wrap the superficial noble structures of the hand is ***,the procedure of thinning a flap can be dangerous and must adhere to the vascular architecture of the *** paper aims to review and briefly summarize the current literature in this field.

关键词： Hand reconstruction like-to-like flap flap thinning

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