Tomas Poblete Cisterna

Assessing wine grape quality parameters using plant traits derived from physical model inversion of hyperspectral imagery

L Suarez, P Zhang, J Sun, Y Wang, T Poblete, A Hornero, PJ Zarco-Tejada

Journal article  |  2021  |  AGRICULTURAL AND FOREST METEOROLOGY

Together with ensuring a stable yield, improving grape composition and aroma is the main goal of wine grape production management ..

Using imagery and computer vision as remote monitoring methods for early detection of respiratory disease in pigs

M Jorquera-Chavez, S Fuentes, FR Dunshea, RD Warner, T Poblete, RR Unnithan, RS Morrison, EC Jongman

Journal article  |  2021  |  Computers and Electronics in Agriculture

Respiratory diseases in pigs impact the wellbeing of animals and increase the cost of production. One of the most appropriate appr..

Detection of Xylella fastidiosa infection symptoms with airborne multispectral and thermal imagery: Assessing bandset reduction performance from hyperspectral analysis

T Poblete, C Camino, PSA Beck, A Hornero, T Kattenborn, M Saponari, D Boscia, JA Navas-Cortes, PJ Zarco-Tejada

Journal article  |  2020  |  ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING

Xylella fastidiosa (Xf) is a harmful plant pathogenic bacterium, able to infect over 500 plant species worldwide. Successful eradi..

Remotely Sensed Imagery for Early Detection of Respiratory Disease in Pigs: A Pilot Study

Maria Jorquera-Chavez, Sigfredo Fuentes, Frank R Dunshea, Robyn D Warner, Tomas Poblete, Rebecca S Morrison, Ellen C Jongman

Journal article  |  2020  |  ANIMALS

Respiratory diseases are a major problem in the pig industry worldwide. Due to the impact of these diseases, the early identificat..

Modelling and Validation of Computer Vision Techniques to Assess Heart Rate, Eye Temperature, Ear-Base Temperature and Respiration Rate in Cattle

Maria Jorquera-Chavez, Sigfredo Fuentes, Frank R Dunshea, Robyn D Warner, Tomas Poblete, Ellen C Jongman

Journal article  |  2019  |  ANIMALS

Precision livestock farming has emerged with the aim of providing detailed information to detect and reduce problems related to an..

Automatic Coregistration Algorithm to Remove Canopy Shaded Pixels in UAV-Borne Thermal Images to Improve the Estimation of Crop Water Stress Index of a Drip-Irrigated Cabernet Sauvignon Vineyard

Tomas Poblete, Samuel Ortega-Farias, Dongryeol Ryu

Journal article  |  2018  |  SENSORS

Water stress caused by water scarcity has a negative impact on the wine industry. Several strategies have been implemented for opt..

Artificial Neural Network to Predict Vine Water Status Spatial Variability Using Multispectral Information Obtained from an Unmanned Aerial Vehicle (UAV)

Tomas Poblete, Samuel Ortega-Farias, Miguel Angel Moreno, Matthew Bardeen

Journal article  |  2017  |  SENSORS

Water stress, which affects yield and wine quality, is often evaluated using the midday stem water potential (Ψstem). However, thi..

Uncooled Thermal Camera Calibration and Optimization of the Photogrammetry Process for UAV Applications in Agriculture

Krishna Ribeiro-Gomes, David Hernandez-Lopez, Jose F Ortega, Rocio Ballesteros, Tomas Poblete, Miguel A Moreno

Journal article  |  2017  |  SENSORS

The acquisition, processing, and interpretation of thermal images from unmanned aerial vehicles (UAVs) is becoming a useful source..

Estimation of olive evapotranspiration using multispectral and thermal sensors placed aboard an unmanned aerial vehicle

S Ortega-Farías, S Ortega-Salazar, T Poblete, C Poblete-Echeverría, M Zúñiga, D Sepúlveda-Reyes, A Kilic, R Allen

Journal article  |  2017  |  Acta Horticulturae

A field experiment was carried out to develop a remote sensing energy balance (RSEB) algorithm for estimating olive evapotranspira..

Estimation of Energy Balance Components over a Drip-Irrigated Olive Orchard Using Thermal and Multispectral Cameras Placed on a Helicopter-Based Unmanned Aerial Vehicle (UAV)

Samuel Ortega-Farias, Samuel Ortega-Salazar, Tomas Poblete, Ayse Kilic, Richard Allen, Carlos Poblete-Echeverria, Luis Ahumada-Orellana, Mauricio Zuniga, Daniel Sepulveda

Journal article  |  2016  |  REMOTE SENSING

A field experiment was carried out to implement a remote sensing energy balance (RSEB) algorithm for estimating the incoming solar..