Christian E. Portugal-Zambrano

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Active since

2011

Affiliations

Universidad Nacional de San Agustin de Arequipa(Current)

Pontifical Catholic University of Peru

Christian E. Portugal-Zambrano is an author at Universidad Nacional de San Agustin de Arequipa specializing in computer vision, image analysis, and machine vision.

Top concepts

EngineeringImage AnalysisMachine VisionComputer VisionBiometricsTexture AnalysisPattern RecognitionHealthRoboticsCalibration

Publications per year

2011–2016

Publications

Computer vision grading system for physical quality evaluation of green coffee beans

Christian E. Portugal-Zambrano, Juan Carlos Cáceres, Juan Ramirez-Ticona et al. · 2016 · 18 citations

Green Coffee Beans, Image Classification, Machine Vision +15

Robust Range Finder Through a Laser Pointer and a Webcam

Christian E. Portugal-Zambrano, Jesús Pascual Mena‐Chalco · Electronic Notes in Theoretical Computer Science · 2011 · 13 citations · Full text

Engineering, Field Robotics, Range Searching +22

An approach for improve the recognition of defects in coffee beans using retinex algorithms

Rel Guzman, Christian E. Portugal-Zambrano, Juan Carlos Cáceres et al. · 2014 · 11 citations

Image Classification, Image Analysis, Machine Vision +14

Automatic classification of physical defects in green coffee beans using CGLCM and SVM

Rayner Harold Montes Condori, Juan H. Chuctaya Humari, Christian E. Portugal-Zambrano et al. · 2014 · 11 citations

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