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Character Modelling with Sketches and ODE-Based Shape Creation

Numerical Mathematics(Theory,Methods and Applications) 2023年第3期16卷 720-751页

作者： Ouwen Li Haibin Fu Shaojun Bian Xiaosong Yang Xiaogang Jin andres iglesias Algirdas Noreika Lihua You Jian Jun Zhang National Centre for Computer Animation Bournemouth UniversityUnited Kingdom State Key Lab of CAD&CG Zhejiang UniversityChina Department of Applied Mathematics and Computational Sciences University of CantabriaSpain Department of Information Science Toho UniversityJapan Indeform Ltd Lithuania

Character models have enormous applications in *** creation of detailed character models is an important *** paper proposes a new and easy-to-use technique to quickly create detailed character models from *** proposed technique consists of two main components:primitive deformer and shape *** this technique,2D silhouette contours of a character model are drawn or extracted from an image or ***,proper geometric primitives are selected and aligned with the corresponding 2D silhouette *** that,a primitive deformer is used to create a base mesh and three shape generators are used to add 3D details to the base *** primitive deformer and three shape generators are developed from ODE-driven *** primitive deformer deforms the aligned geometric primitives to exactly match the 2D silhouette contours in one view plane and obtains a base mesh of a character model consisting of deformed *** shape generators are used to add 3D details to the base mesh by creating local 3D *** experimental results demonstrate that the new technique can quickly create detailed 3D character models from sketches with few manual *** new technique is physics-based and easy to learn and use.

关键词： Sketch-based character modelling shape generators ordinary differential equations finite difference solution

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Aortic valve stenosis provides complementary information to bleeding risk scores in non-valvular atrial fibrillation patients initiating anticoagulation

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Journal of Geriatric Cardiology 2020年第3期17卷 141-148,I0005-I0007页

作者： Gines Elvira-Ruiz Cesar Caro-Martinez Pedro JoseFlores-Blanco Juan JoseCerezo-Manchado Helena Albendin-iglesias Alejandro Lova-Navarro Francisco Arregui-Montoya Francisca Maria Munoz-Franco Natalia Garcia-Iniesta Arcadio Garcia-Alberola JoseLuis Bailen-Lorenzo Domingo andres Pascual-Figal Sergio Manzano-Fernández Department of Cardiology University Hospital Virgen de la ArrixacaMurciaSpain Instituto Murciano de Investigación en Biomedicina(IMIB) MurciaSpain Department of Cardiology University Hospital Morales MeseguerMurciaSpain Department of Hematology University Hospital Virgen de la ArrixacaMurciaSpain Department of Internal Medicine University Hospital Virgen de la ArrixacaMurciaSpain School of Medicine University of MurciaMurciaSpain Department of Cardiology Hospital Vega BajaAlicanteSpain

Background The identification of modifiable bleeding risk factors may be of *** aim is to evaluate if aortic stenosis(AS)provides additional information to bleeding risk scores for predicting major bleeding(MB)in non-valvular atrial fibrillation(AF).Methods We designed a retrospective multi-center study including 2880 consecutive non-valvular AF patients initiating oral anticoagulation between January 2013 and December *** was defined as moderate or severe according to European echocardiography guidelines ***,ATRIA and ORBIT scores were used to evaluate the bleeding *** was defined according to the International Society on Thrombosis and Haemostasia criteria and registered at 18 months of *** 168(5.8%)patients had *** with AS had higher risk for MB compared to those without AS(HR=2.13,95%CI:1.40-3.23,P<0.001).Patients without AS and low-intermediate bleeding risk(0 points)showed the lowest MB rate,whereas the MB rate observed among patients with AS and high bleeding risk(2 points)was the highest *** and reclassification analyses showed that AS provided additional information to bleeding risk scores for predicting MB at 18 months of *** In this population,AS was associated with an increased risk for MB at midterm *** three scoring systems showed a moderate discriminatory ability for ***,the addition of AS was associated with a significant improvement in their predictive *** suggest that the presence of this valvulopathy should be taken into account for bleeding risk assessment.

关键词： Anticoagulants Aortic stenosis Atrial fibrillation Major bleeding Valvular disease

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