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A two-stage framework for polygon retrieval using Minimum Circular Error Bound
[chapter]
1997
Lecture Notes in Computer Science
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We have proposed a two-stage framework for polygon retrieval 12, 11] which incorporates both qualitative and quantitative measures of polygons in the rst and second stage respectively. ...
Base on this technique, we propose a new translation invariant similarity measure for polygons named Minimum Circular Error Bound, which can be used in the second stage of the two-stage framework. ...
In 12, 11] , we proposed a two-stage framework for polygon retrieval in image databases. ...
doi:10.1007/3-540-63507-6_246
fatcat:yn5bk4oczvb4xhl4oge6bd2he4
SparkGIS: Efficient Comparison and Evaluation of Algorithm Results in Tissue Image Analysis Studies
[chapter]
2016
Lecture Notes in Computer Science
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We present SparkGIS, a distributed, in-memory spatial data processing framework to query, retrieve, and compare large volumes of analytical image result data for algorithm evaluation. ...
Algorithm evaluation provides a means to characterize variability across image analysis algorithms, validate algorithms by comparison of multiple results, and facilitate algorithm sensitivity studies. ...
The data retrieval step is responsible for retrieving these polygons from storage sources. Each image can have hundreds of thousands to millions of polygons from a single analysis run. ...
doi:10.1007/978-3-319-41576-5_10
pmid:30198025
pmcid:PMC6126541
fatcat:2kdi3l5bwzgqvevwcf7zzprpea
Spatial Cloud Detection and Retrieval System for Satellite Images
2012
International Journal of Advanced Computer Science and Applications
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system (SCDRS) that introduce a complete framework for specific semantic retrieval system. ...
It uses a Query by polygon (QBP) paradigm for the content of interest instead of using the more conventional rectangular query by image approach. ...
The two stages used multilevel framework hierarchy of candidates selection and candidates refinement processes. ...
doi:10.14569/ijacsa.2012.031235
fatcat:uz7vserfpnezrj374kh7uozgme
A MapReduce Algorithm for Polygon Retrieval in Geospatial Analysis
2015
2015 IEEE 8th International Conference on Cloud Computing
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For several key spatial data analysis and computation problems, polygon retrieval is a fundamental operation which is often computed under realtime constraints. ...
the polygon retrieval operation over existing distributed algorithms. ...
For each polygon retrieval, we generated a polygon area for the query randomly. ...
doi:10.1109/cloud.2015.123
dblp:conf/IEEEcloud/GuoPK15
fatcat:rxwt2dgjarejbgy3ozobicxng4
Geometric matching for clip-art drawing retrieval
2009
Journal of Visual Communication and Image Representation
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Although there are some solutions for drawing retrieval, almost all of them are designed to retrieve simple and not complex drawings as for instance clip-arts. ...
In this paper, we present a new algorithm to improve the geometric matching of two drawings, which takes into account the drawing as a whole and each of the shapes in it. ...
In Section 3 we present an overview of our framework for sketch-based retrieval of drawings. ...
doi:10.1016/j.jvcir.2008.11.005
fatcat:civi3cvrzve3vo4arxvmkw7koe
Big Data Environment for Realtime Earthquake Data Acquisition and Visualization
2019
JOIV: International Journal on Informatics Visualization
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Indonesia is a country that has the highest level of earthquake risk in the world. ...
This is evidenced by the computational time in the preprocessing process on a single-core master node, which requires 55.6 minutes, but a distributed computing process using 15 cores can speeds up with ...
A. Real-Time Data Acquisition In this stage, researchers build a server used to retrieve data. ...
doi:10.30630/joiv.3.4.320
fatcat:pjbtvs4ynfaw7p6prahnmljnyi
Real-time automatic 3D scene generation from natural language voice and text descriptions
2006
Proceedings of the 14th annual ACM international conference on Multimedia - MULTIMEDIA '06
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Only the polygon representations of the objects are required for object placement. In addition, our system is robust. ...
Scene descriptions are constructed in real-time using a method for depicting spatial relationships between and among different objects. ...
framework. ...
doi:10.1145/1180639.1180660
dblp:conf/mm/SeverskyY06
fatcat:lahukkehhjhvnhuhkwbopx7yoy
DISTRIBUTED ALGORITHMS FOR SPATIAL RETRIEVAL QUERIES IN GEOSPATIAL ANALYSIS
2016
Services Transactions on Cloud Computing
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For several key spatial data analysis and computation problems, polygon retrieval is a fundamental operation which is often computed under real-time constraints. ...
In this work, we present a MapReduce-based parallel polygon retrieval algorithm which aims at minimizing the IO and CPU loads of the map and reduce tasks during spatial data processing. ...
For each polygon retrieval, we generated a polygon area for the query randomly. ...
doi:10.29268/stcc.2016.4.3.1
fatcat:ehka6kr5ofgdbkpzalpn6en3bu
A Framework for Encoding Spatial Data*
2010
Geographical Analysis
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This paper accomplishes two tasks: 1) the development of a conceptual framework for encoding spatial data for in- corporation into geographic information systems, and 2) the presentation of a notation ...
98 / Geographical Analysis
A Framework for Encoding Spatial Data*
Kenneth J. ...
doi:10.1111/j.1538-4632.1972.tb00460.x
fatcat:iszsurndcrgn5fnnqsngx5spsa
Comparing land surface phenology of major European crops as derived from SAR and multispectral data of Sentinel-1 and -2
2021
Remote Sensing of Environment
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The correlation is lower for end of season retrievals (EOS, r of 0.62 and 0.34). ...
However, these data have not been systematically exploited for phenology retrieval so far. ...
Appendix A. Supplementary data Supplementary data to this article can be found online at https://doi. org/10.1016/j.rse.2020.112232. ...
doi:10.1016/j.rse.2020.112232
pmid:33536689
pmcid:PMC7841528
fatcat:g2a6xd4msjblppov6yo6x4teqe
Hull Surface Information Retrieval and Optimization of High Speed Planing Craft
2012
IOP Conference Series: Materials Science and Engineering
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An optimization framework for high speed planing craft is discussed which consist of surface information retrieval module, a suite of state-of-the-art optimization algorithms and standard naval architectural ...
A summary of the implementation of the proposed hull surface information retrieval and several case studies are presented to demonstrate the capabilities of the framework. ...
design stage. ...
doi:10.1088/1757-899x/36/1/012034
fatcat:x7lnd376brfvzjuvukn3xozmbu
DISTRIBUTED ALGORITHMS FOR SPATIAL RETRIEVAL QUERIES IN GEOSPATIAL ANALYSIS
2016
Services Transactions on Cloud Computing
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The file type is application/pdf.
For several key spatial data analysis and computation problems, polygon retrieval is a fundamental operation which is often computed under real-time constraints. ...
In this work, we present a MapReduce-based parallel polygon retrieval algorithm which aims at minimizing the IO and CPU loads of the map and reduce tasks during spatial data processing. ...
For each polygon retrieval, we generated a polygon area for the query randomly. ...
doi:10.29268/stcc.2016.0007
fatcat:cfvabopstrchrbid2ao4cyvoru
Efficient Retrieval of Logos Using Rough Set Reducts
[article]
2019
arXiv
pre-print
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Speed and accuracy are two aspects that one must attend to while developing a system for retrieval of logos. ...
A logo is split into a number of polygons, and for each polygon, we compute the tight upper and lower approximations based on the principles of a rough set. ...
Speed and accuracy are two aspects that one must attend to while developing a system for retrieval of logos. ...
arXiv:1904.05008v1
fatcat:gwy6u4pjzvcsheerswl45hwbvq
3D-shape-based retrieval within the MPEG-7 framework
2001
Nonlinear Image Processing and Pattern Analysis XII
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Within the framework of the future MPEG-7 standard, tools for intelligent content-based access to 3D information, targeting applications such as search & retrieval and browsing of 3D model databases, have ...
Hence, standardizing tools for content-based indexing of visual data is a key issue for computer vision related applications. ...
In section 3, we introduce the mathematical definition of the proposed 3D SSD, within a continuous framework. Section 4 deals with the extraction of the 3D SSD from discrete polygonal meshes. ...
doi:10.1117/12.424969
fatcat:dqhltsvg6nexnggmk375rfhu3q
Smart book locator system based on geographic information system at Perpustakaan Tun Abdul Razak 1, UiTM Shah Alam Malaysia
2018
Journal of Fundamental and Applied Sciences
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This study proposes a system called Smart Book Locator System (SBLS), which incorporates Geographic Information System (GIS) to assist users in visualising and navigating them to the location of the ...
the online database, Online Public Access Catalogue (OPAC), eases the burden of users to inquire the availability and l have to go to the library and search through the endless cabinets to locate and retrieve ...
In this stage, the information of reference materials available in PTAR 1 retrieved in stage 2 is compiled and arranged in a database. ...
doi:10.4314/jfas.v9i5s.22
fatcat:c2ijmrebjjfilctu6ddykvb3bi
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