Ronny Vallejos Arriagada

Línea de Investigación:

Probabilidad y Estadística

Información:

  • Grado Académico: Ph.D University of Maryland (Estados Unidos)
  • Campus: Casa Central
  • Horario de consulta: Lunes y Jueves de 08:15 a 09:25 hrs.
  • Email: ronny.vallejos@usm.cl
  • Sitio Web

Publicaciones Recientes

Núm. Autores Artículo Revista Año
31

Acosta, J., Vallejos, R., Ellison, A. M., Osorio, F., de Castro, M.

Comparing two spatial variables with the probability of agreement

Biometrics 80 (1), ujae009.

2024
30

F. Osorio, R. Vallejos, W. Barraza, S. M. Ojeda, M. A. Landi

Statistical estimation of the structural similarity index for image quality assessment

Signal, Image and Video Processing 16, 1035–1042 (2022).

2022
29

G. Vidal, J. Yuz, R. Vallejos, F. Osorio.

Point-process modeling and divergence measures applied to the characterization of passenger flow patterns of a metro system

IEEE Access 10, 26529-26540 (2022).

2022
28

A. Alegría, F. Osorio, R. Vallejos, J. Acosta.

Assessing the effective sample size for large spatial datasets: A block likelihood approach

Computational Statistics \& Data Analysis, 162, Paper No. 107282, 21 (2021).

2021
27

R. Vallejos, J. Acosta

The effective sample size for multivariate spatial processes with an application to soil contamination

Natural Resource Modeling, 34, e12322 (2021).

2021
26

M. Papaterra, S. Ojeda, M. Landi, R. Vallejos

Strategy for Selecting a Quality Index for Images

International Journal of Computer Information Systems and Industrial Management Applications 13, 348-363 (2021).

2021
25

R. Vallejos, J. Pérez, A. M.Ellison, A. D.Richardson

A spatial concordance correlation coefficient with an application to image analysis

Spatial Statistics Volume 40, December 2020, 100405

2020
24

R. Vallejos, F. Yandún, M. San Martín, V. Escobar, C. Román, F. Auat Cheein

Assessing the estimation of trawling catches using LiDAR sensor technology

Ocean and Coastal Management, Vol. 165, pp. 99-108, Nov. 2018.

2018
23

R. Vallejos, J. Acosta

Effective sample size for spatial regression models

Electronic Journal of Statistics, Vol. 12(2), pp. 3147–3180, Sep. 2018.

2018
22

R. Vallejos, S. Ojeda, G. Britos

An image quality index based on coefficients of spatial association with an application to image fusion

Spatial Statistics; Vol. 23, pp. 1-16; Mar. 2018

2018
21

R. Vallejos, H. Buckley, B. Case, J. Acosta, A. Ellison

Sensitivity of Codispersion to Noise and Error in Ecological and Environmental Data

Forest, Vol. 9(11), art. 679, Nov. 2018.

2018
20

S. Pistonesi, J. Martinez, S. Ojeda, R. Vallejos

Structural Similarity Metrics for Quality Image Fusion Assessment: Algorithms

Image Processing On Line; Vol. 8, pp. 345–368; Oct. 2018.

2018
19

J. Acosta, R. Vallejos, D. Griffth

On the effective geographic sample size

Journal of Statistical Computation and Simulation; Vol. 88(10), pp. 1958-1975; Jan. 2018

2018
18

R. Vallejos, J. Acosta, F. Osorio

Effective Sample Size for Line Transect Sampling Models with an Application to Marine Macroalgae

Journal of Agricultural, Biological, and Environmental Statistics; Vol. 21(3), pp. 407-425; Sep. 2016

2016
17

R. Vallejos, D. Mancilla, J. Acosta

Image Similarity Assessment Based on Coefficients of Spatial Association

Journal of Mathematical Imaging and Vision; Vol. 56(1), pp. 77-98; Feb. 2016

Link

2016
16

H.L. Buckley, B.S. Case R. Vallejos, J.J. Camarero, E. Gutiérrez, E. Liang, Y. Wang, A.M. Ellison

Detecting Ecological Patterns Along Environmental Gradients: Alpine Treeline Ecotones

CHANCE; Vol. 29(2), SI on Ecology, pp. 10-15; May 2016

Link

2016
15

R. Vallejos, S.M. Ojeda

A conversation with Oscar Bustos

Chilean Journal of Statistics; Vol. 6(2), pp. 81-94; Sep. 2015

2015
14

S. Pistonesi, J. Martines, S.M. Ojeda, R.Vallejos

A novel quality image fusion assessment based on maximum codispersion.

Progress in pattern recognition, image analysis, computer vision, and applications, 383–390, Lecture Notes in Comput. Sci., 9423, Springer, Cham, 2015

2015
13

R. Vallejos, A. Mallea, M. Herrera, S. Ojeda

A multivariate geostatistical approach for landscape classification from remotely sensed image data

Stochastic Environmental Research and Risk Assessment; Vol. 29(2), pp. 369-378; 2015

2015
12

R. Vallejos, M. Bevilacqua, D. Velandia

Assessing the significance of the correlation between the components of a bivariate Gaussian random field

Environmetrics; Vol. 26(8), pp. 545-556; Dec. 2015

2015
11

R. Vallejos, F. Osorio, D. Mancilla

The codispersion map: A graphical tool to visualize the association between two spatial variables

Statistica Neerlandica; Vol. 69(3), pp. 298-314; Aug. 2015

2015
10

R. Vallejos, F. Osorio

Effective sample size of spatial process models

Spatial Statistics; Vol. 9, pp. 66-92; Aug. 2014.

2014
9

F. Cuevas, E. Porcu, R. Vallejos

Study of spatial relationships between two sets of variables: a nonparametric approach

J. Nonparametr. Stat. 25 (2013), no. 3, 695–714

2013
8

R. Vallejos

A message from the guest editor

Chil. J. Stat. 2 (2011), no. 2, 1–2

2011
7

O. Bustos, S. Ojeda, R. Vallejos

Spatial ARMA models and its applications to image filtering.

Braz. J. Probab. Stat. 23 (2009), no. 2, 141–165

2009
6

O. Bustos, M. Ruiz, S. Ojeda, R. Vallejos, A. Frery

Asymptotic behavior of RA-estimates in autoregressive 2D processes

J. Statist. Plann. Inference 139 (2009), no. 10, 3649–3664

2009
5

R. Vallejos

Assessing the association between two spatial or temporal sequences

J. Appl. Stat. 35 (2008), no. 11-12, 1323–1343

2008
4

A. Rukhin, R. Vallejos

Codispersion coefficients for spatial and temporal series

Statist. Probab. Lett. 78 (2008), no. 11, 1290–1300.

2008
3

R. Vallejos, G. García-Donato

Bayesian analysis of contaminated quarter plane moving average models

J. Stat. Comput. Simul. 76 (2006), no. 2, 131–147

2006
2

R. Vallejos, T. Mardesic

A recursive algorithm to restore images based on robust estimation of NSHP autoregressive models

J. Comput. Graph. Statist. 13 (2004), no. 3, 674–682

2004
1

S. Ojeda, R. Vallejos, M. Lucini

Performance of robust RA estimator for bidimensional autoregressive models

J. Stat. Comput. Simul. 72 (2002), no. 1, 47–62

2002

Proyectos Vigentes

Programa Nombre Proyecto Periodo
Basal FB008 Advanced Center for Electrical and Electronic Engineering 2014 - 2024