Results 41 to 50 of about 1,084,982 (293)

Study of spatial database construction of smart mine

open access: yesGong-kuang zidonghua, 2014
The paper discussed construction models of spatial database of smart mine based on analysis of composition and characteristics of mine spatial data, and expounded construction of spatial data framework of smart mine from three aspects which are spatial ...
WANG Li, DU Jiusheng, JING Haitao
doaj   +1 more source

BIM-BASED INDOOR PATH PLANNING CONSIDERING OBSTACLES [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
At present, 87 % of people’s activities are in indoor environment; indoor navigation has become a research issue. As the building structures for people’s daily life are more and more complex, many obstacles influence humans’ moving.
M. Xu   +12 more
doaj   +1 more source

A storage and access architecture for efficient query processing in spatial database systems [PDF]

open access: yes, 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

REVIEW OF 3D GIS DATA FUSION METHODS AND PROGRESS [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
3D data fusion is a research hotspot in the field of computer vision and fine mapping, and plays an important role in fine measurement, risk monitoring, data display and other processes.
W. Hua   +6 more
doaj   +1 more source

RESEARCH ON SPLICING METHOD OF DIGITAL RELIC FRAGMENT MODEL [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
In the course of archaeological excavation, a large number of pieces of cultural relics were unearthed, and the restoration of these fragments was done manually by traditional arts and crafts experts. In this process, cultural relics experts often try to
X. Yan   +6 more
doaj   +1 more source

Efficient classification of billions of points into complex geographic regions using hierarchical triangular mesh [PDF]

open access: yes, 2014
We present a case study about the spatial indexing and regional classification of billions of geographic coordinates from geo-tagged social network data using Hierarchical Triangular Mesh (HTM) implemented for Microsoft SQL Server.
Bodor, András   +6 more
core   +2 more sources

Intelligent extraction of road cracks based on vehicle laser point cloud and panoramic sequence images

open access: yesJournal of Road Engineering
In light of the limited efficacy of conventional methods for identifying pavement cracks and the absence of comprehensive depth and location data in two-dimensional photographs, this study presents an intelligent strategy for extracting road cracks. This
Ming Guo   +6 more
doaj   +1 more source

Enhancing Disaster Management: Development of a Spatial Database of Day Care Centers in the USA

open access: yesISPRS International Journal of Geo-Information, 2015
Children under the age of five constitute around 7% of the total U.S. population, and represent a segment of the population that is totally dependent on others for day-to-day activities.
Nagendra Singh   +2 more
doaj   +1 more source

DISCRIMINATION OF CULTURAL RELICS SIMILARITY BASED ON PHASH ALGORITHM AND SIFT OPERATOR [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Among the immovable cultural relics such as grottoes, stone carvings of the same period usually show similar artistic styles and repetitive statues. Through the study of the similarity between cultural relics in the same period, we can have reference ...
W. Hua   +7 more
doaj   +1 more source

Perancangan Data Warehouse dan Penerapan Teknik Clustering Spatial pada Wesel: Studi Kasus PT XXX

open access: yesComTech, 2013
By setting up the right service and product for the customer, the company may increase its marketing effectiveness as well as sales. For that purpose, information on company’s product and sales is highly needed in order to help on decision making ...
Arief Dwi Hartadi, Oktalia Juwita
doaj   +1 more source

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