41   Artículos

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en línea
Huanyu Liao, Pavan Kumar Vaitheeswaran, Tao Song and Ganesh Subbarayan    
Point projection is an important geometric need when boundaries described by parametric curves and surfaces are immersed in domains. In problems where an immersed parametric boundary evolves with time as in solidification or fracture analysis, the projec... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Thanh Hoai Nguyen and Kyoungsik Chang    
In the present work, a comparative study of two major non-intrusive polynomial chaos methods, Point-Collocation Non-Intrusive Polynomial Chaos (NIPC) and Non-Intrusive Spectral Projection (NISP), was conducted for the transitional ??-???? ? - R ? transi... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Jijun Tong, Shuai Xu, Fangliang Wang and Pengjia Qi    
This paper presents a novel method based on a curve descriptor and projection geometry constrained for vessel matching. First, an LM (Leveberg?Marquardt) algorithm is proposed to optimize the matrix of geometric transformation. Combining with parameter a... ver más
Revista: Information    Formato: Electrónico

 
en línea
Shenren Xu, Jiazi Zhao, Hangkong Wu, Sen Zhang, Jens-Dominik Müller, Huang Huang, Mohammad Rahmati and Dingxi Wang    
Nonlinear, time-linearized and adjoint Reynolds-averaged Navier-Stokes (RANS) computational fluid dynamics (CFD) solvers are widely used to assess and improve the aerodynamic and aeroelastic performance of aircrafts and turbomachines. While RANS CFD solv... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Xiaowu Li, Zhinan Wu, Linke Hou, Lin Wang and Chunguang Yue    
We present an accurate method to compute the minimum distance between a point and an elliptical torus, which is called the orthogonal projection problem. The basic idea is to transform a geometric problem into finding the unique real solution of a quarti... ver más
Revista: Computers    Formato: Electrónico

 
en línea
Gábor Timár    
Map mosaics of the First Military Survey showing Lower Austria and Hungary (two separate zones and coordinate systems of 1:28,800 survey sections) were georeferenced. Compared to the previous fitting carried out in the framework of the publicly available... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Roberto Dima, Giovanni Buonanno, Sandra Costanzo and Raffaele Solimene    
Curve-fitting means the determination of the set of parameters that best fit the input data set as expressed by a given function that is usually non-linear. The paper addresses the curve fitting of Debye and Cole?Cole models to a dielectric permittivity ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Jongdae Jung, Yeongjun Lee, Jeonghong Park and Tae-Kyeong Yeu    
Monitoring offshore infrastructure is a challenging task owing to the harsh ocean environment. To reduce human involvement in this task, this study proposes an autonomous surface vehicle (ASV)-based structural monitoring system for inspecting power cable... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Siriwan Intawichai and Saifon Chaturantabut    
An accelerated least-squares approach is introduced in this work by incorporating a greedy point selection method with randomized singular value decomposition (rSVD) to reduce the computational complexity of missing data reconstruction. The rSVD is used ... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Ting On Chan, Hang Xiao, Lixin Liu, Yeran Sun, Tingting Chen, Wei Lang and Ming Ho Li    
The 3D laser scanning technique is important for cultural heritage documentation. The laser itself normally does not carry any color information, so it usually requires an embedded camera system to colorize the point cloud. However, when the embedded cam... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Kexin Li, Jun Wang and Dawei Qi    
Damage mechanisms of Reactive Powder Concrete (RPC) under fatigue loading are investigated using the 3D laser scanning technology. An independently configured 3D laser scanning system is used to monitor the damaging procedure. Texture analysis technique ... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Andrey Pavlov     Pág. 8 - 12
In the article, we consider the speed-up algorithm of linear prognosis of the (n+1)-th random value by the first n known values. The values are uncentred and unstationary. The result we obtain with the help of a new scalar production in the linear subspa... ver más
Revista: International Journal of Open Information Technologies    Formato: Electrónico

 
en línea
Mingyang Zhang, Jian Dong, Na Ren and Shuitao Guo    
With the increasing demand for high-precision and difficult-to-obtain geospatial point cloud data copyright protection in military, scientific research, and other fields, research on lossless watermarking is receiving more and more attention. However, mo... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Miljenko Lapaine    
The article belongs to the field of theoretical research on map projections. It is observed that there is no unique and generally accepted definition of standard parallels in the cartographic literature. For some authors, a standard line is a line along ... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Yu-Ming Zhang, Chia-Yuan Cheng, Chih-Lung Lin, Chun-Chieh Lee and Kuo-Chin Fan    
Biometrics has become an important research issue in recent years, and the use of deep learning neural networks has made it possible to develop more reliable and efficient recognition systems. Palms have been identified as one of the most promising candi... ver más
Revista: Information    Formato: Electrónico

 
en línea
Daixiao Lu, Zhiliang Lu, Zhirong Han, Xian Xu and Ying Huang    
The blockage is one of the important factors affecting the icing of airfoils in wind tunnel tests. In this paper, numerical simulations are conducted to study the effect of blockage on the icing of different airfoils. By reducing the height of testing wi... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Ruifan Wang, Tiantian Bao, Shangfeng Tian, Linghan Song, Shuangwen Zhong, Jian Liu, Kunyong Yu and Fan Wang    
Understory vegetation cover is an important indicator of forest health, and it can also be used as a proxy in the exploration of soil erosion dynamics. Therefore, quantifying the understory vegetation cover in hilly areas in southern China is crucial for... ver más
Revista: Drones    Formato: Electrónico

 
en línea
Paulina Zachar, Wojciech Ostrowski, Anna Platek-Zak and Zdzislaw Kurczynski    
The dynamic development of deep learning methods in recent years has prompted the widespread application of these algorithms in the field of photogrammetry and remote sensing, especially in the areas of image recognition, classification, and object detec... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Fazliaty Edora Fadzli, Ajune Wanis Ismail, Shafina Abd Karim Ishigaki, Muhammad Nur Affendy Nor?a and Mohamad Yahya Fekri Aladin    
This paper introduces a real-time 3D reconstruction of a human captured using a depth sensor and has integrated it with a holographic telepresence application. Holographic projection is widely recognized as one of the most promising 3D display technologi... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Pengcheng Shi, Qin Ye and Lingwen Zeng    
Herein, we propose a novel indoor structure extraction (ISE) method that can reconstruct an indoor planar structure with a feature structure map (FSM) and enable indoor robot navigation using a navigation structure map (NSM). To construct the FSM, we fir... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

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