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2017 IEEE 2nd Ecuador Technical Chapters Meeting, ETCM 2017(1)
Arabian Journal of Geosciences(1)
Boletim de Ciencias Geodesicas(1)
Computers and Geosciences(1)
Geographia Technica(1)
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Ciencias de la computación(3)
Métodos informáticos especiales(3)
Ciencias de la tierra(1)
Geografía matemática(1)
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Capture and processing of geospatial data with laser scanner system for 3D modeling and virtual reality of Amazonian Caves
Conference ObjectAbstract: In recent years there has been an advance in new geotechnologies that contribute to the research inPalabras claves:Laser scanning, Speleothems, subterranean cavities, virtual environmentAutores:Addison A., Alfonso R. Tierra, EDUARDO PATRICIO KIRBY POWNEY, Iván Fernando Palacios-Orejuela, Jhoselinne Basantes, Luis Godoy, Padilla-Almeida O., Rafael Castro, Tatiana Carvajal, Theofilos Toulkeridis, Walter Fuertes, Walter Marcelo Fuertes-Díaz, Wilbert G. AguilarFuentes:googlescopusDifferential corrections by NTRIP to mobile devices with android application
ArticleAbstract: Real time GPS positioning is obtained by means of differential corrections sent from a base stationPalabras claves:android, Differential Correction, GPS, NTRIPAutores:Alfonso R. Tierra, César A. Leiva, Oscar SilvaFuentes:scopusMultiresolution analysis in the visible spectrum of landsat-tm images through wavelet transform
ArticleAbstract: Multispectral satellite images are tools that allow the analysis of phenomena developed on the EarthPalabras claves:COMPRESSION, MRA, noise, Satellite image, waveletsAutores:Alfonso R. Tierra, Eduardo Kirby, Iván Palacios Palacios, Marilyn CepedaFuentes:scopusPerformance evaluation of artificial neural networks for planimetric coordinate transformation—a case study, Ghana
ArticleAbstract: Two national horizontal geodetic datums, namely, the Accra and Leigon datum, have been the only avaiPalabras claves:Backpropagation neural network, Four-parameter model, Geodetic datum, Radial basis function neural network, Six-parameter modelAutores:Alfonso R. Tierra, Hui Z., Konaté A.A., Youjian H., Ziggah Y.Y.Fuentes:scopusUsing an artificial neural network to improve the transformation of coordinates between classical geodetic reference frames
ReviewAbstract: Advances in technology have allowed for the improvement of geodetic reference systems (GRSs). RelatiPalabras claves:artificial neural networks, Coordinates transformation, Learning, Radial basis functions reference framesAutores:Alfonso R. Tierra, Dalazoana R., de Freitas S.R.C.Fuentes:scopusVTEC at Low Latitude Station Using Galileo Pseudorange
Conference ObjectAbstract: The Global Navigation Satellite Systems GNSS retrieve data from multi-frequency and four constellatiPalabras claves:GALILEO, Low latitudes, Pseudorange, VTECAutores:Alfonso R. Tierra, Jonathan PanimbozaFuentes:scopus