Representation and Reasoning for Model of 3DR46 in Complex 3D Space
Jisuanji kexue yu tansuo, 2020 To remedy the deficiency of the existing methods on 3D direction relations, the 3DR46 direction relations model is proposed. The model can represent and distinguish 246 complex 3D direction relations. To process the dynamic of 3D direction relations, the
HAO Xiaohong, LI Song, HAO Zhongxiao
doaj +1 more source
W42 - a scalable spatial database system for holding Digital Elevation Models [PDF]
, 2009 The design of a scalable system for holding spatial data in general and digital elevation models (DEMs) in specific has to account for the characteristics of data from various application fields.
Habermeyer, Martin +2 more
core +1 more source
Research on Planar Mosaic Method for Colored Textures of Regularly Symmetric Jar-type Cultural Relics [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesThe use of stitching methods to obtain side view unfolded images of jar-shaped cultural relics with regular symmetrical shapes is of great significance for the digital presentation of cultural heritage.
X. Yuan, Y. Hu
doaj +1 more source
Two-Phase Oblique Photogrammetric Model for Automated Change Detection in Railroad Slopes [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesRailroad slope detection is crucial for railroad inspection. However, traditional stability detection methods face challenges such as high costs, subjectivity, and reliance on prior information.
X. Zhu, M. Huang, M. Huang, L. Wang
doaj +1 more source
Optimization of Spatial Joins Using Filters [PDF]
, 1995 When viewing present-day technical applications that rely on the use of database systems, one notices that new techniques must be integrated in database management systems to be able to support these applications efficiently.
Apers, P.M.G. +2 more
core +5 more sources
Efficient Processing of Spatial Joins Using R-Trees [PDF]
, 1993 : In this paper, we show that spatial joins are very suitable to be processed on a parallel hardware platform. The parallel system is equipped with a so-called shared virtual memory which is well-suited for the design and implementation of parallel ...
Becker L. A. +10 more
core +4 more sources
Spectral pre-modulation of training examples enhances the spatial resolution of the Phase Extraction Neural Network (PhENN) [PDF]
, 2018 The Phase Extraction Neural Network (PhENN) is a computational architecture, based on deep machine learning, for lens-less quantitative phase retrieval from raw intensity data.
Barbastathis, George, Li, Shuai
core +2 more sources
ISPRS International Journal of Geo-Information, 2023 Historical geographic data play an important supporting role in the study of long-term geographic studies, such as climate change, urban expansion and land-use and land-cover change.
Shuang Li
doaj +1 more source
A storage and access architecture for efficient query processing in spatial database systems [PDF]
, 1993 Due to the high complexity of objects and queries and also due to extremely large data volumes, geographic database systems impose stringent requirements on their storage and access architecture with respect to efficient query processing.
A. Hutflesz +7 more
core +3 more sources
Enhanced Extrinsic Calibration Method for Camera-LiDAR Fusion and Monitoring of Safety Threats to Power Transmission Lines [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesCollision detection for ensuring safe navigation around power transmission lines is a critical task for maintaining operational safety. With advancements in sensor technology, cameras and LiDAR have been increasingly utilized for monitoring potential ...
Y. Lao +5 more
doaj +1 more source