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Optimizing Spatial Databases [PDF]
This paper describes the best way to improve the optimization of spatial databases: through spatial indexes. The most commune and utilized spatial indexes are R-tree and Quadtree and they are presented, analyzed and compared in this paper. Also there are given a few examples of queries that run in Oracle Spatial and are being supported by an R-tree ...
Anda VELICANU, Ştefan OLARU
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Design and Management of a Spatial Database for Monitoring Building Comfort and Safety
As the impacts of climate change on urban environments and buildings become more and more prominent, building comfort and structural safety monitoring becomes crucial.
Ming Guo +5 more
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MATCHING FILTER-BASED VSLAM OPTIMIZATION IN INDOOR ENVIRONMENTS [PDF]
An important factor that reduced the accuracy of motion trajectories in existing VSLAM (Visual Simultaneous Localization and Mapping) systems is the poor estimation of the position pose of the vision odometer. The existing methods generate many incorrect
S. Wei, S. Wei, S. Wei, S. Wei, S. Wang
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CONCEPTS AND TECHNOLOGIES FOR A COMPREHENSIVE INFORMATION SYSTEM FOR HISTORICAL RESEARCH AND HERITAGE DOCUMENTATION [PDF]
Information systems play an important role in historical research as well as in heritage documentation. As part of a joint research project of the German Archaeological Institute, the Brandenburg University of Technology Cottbus and the Dresden ...
F. Henze +5 more
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A REVIEW OF DIGITAL WATERMARKING AND COPYRIGHT CONTROL TECHNOLOGY FOR CULTURAL RELICS [PDF]
With the rapid growth of the application and sharing of the 3-D model data in the protection of cultural relics, the problem of Shared security and copyright control of the three-dimensional model of cultural relics is becoming increasingly prominent ...
H. Liu +6 more
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APPLICATION OF 3D MODEL OF CULTURAL RELICS IN VIRTUAL RESTORATION [PDF]
In the traditional cultural relics splicing process, in order to identify the correct spatial location of the cultural relics debris, experts need to manually splice the existing debris.
S. Zhao +7 more
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Method for Establishing a Spatial Database of Traffic Signs with Machine Learning
Traffic signs are part of road equipment whose existence is very important, in addition to functioning as warnings, prohibitions, orders, or instructions for road users, traffic signs are also a means to reduce accidents and regulate driver behavior ...
Nindyo Cahyo Kresnanto +1 more
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Computing the inverse of cardinal direction relations between regions
The inversion of directions is an important operation with directions which plays an important role in qualitative spatial reasoning and spatial queries. In this work, we address on the inversion operation of the basic cardinal direction relations in the
Wang Miao +5 more
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The use of cloud computing, big data, IoT, and mobile applications in the public transportation industry has resulted in the generation of vast and complex data, of which the large data volume and data variety have posed several obstacles to effective ...
Tianyu Zhang +5 more
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Querying Similar Multi-Dimensional Time Series with a Spatial Database
Similar time series search is one of the most important time series mining tasks in our daily life. As recent advances in sensor technologies accumulate abundant multi-dimensional time series data associated with multivariate quantities, it becomes a ...
Zheren Liu, Chaogui Kang, Xiaoyue Xing
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