Metodología de rápida medición y conteo de microgotas de agua usando procesamiento digital de imágenes

Luis Gonzalo Vargas Quiroz; Jose Pablo Montoya; Mario Alejandro Muñoz León; David Alejandro Salazar Paz; Alcides Montoya Cañola

doi:10.24054/rcta.v1i41.2421

Autores/as

Luis Gonzalo Vargas Quiroz Universidad Nacional de Colombia https://orcid.org/0000-0002-2343-8852
Jose Pablo Montoya Universidad Nacional de Colombia https://orcid.org/0000-0002-5255-4975
Mario Alejandro Muñoz León Universidad Nacional de Colombia https://orcid.org/0000-0003-0548-8087
David Alejandro Salazar Paz Universidad Nacional de Colombia https://orcid.org/0009-0009-1838-1546
Alcides Montoya Cañola Universidad Nacional de Colombia https://orcid.org/0000-0001-9624-6133

DOI:

https://doi.org/10.24054/rcta.v1i41.2421

Palabras clave:

Procesamiento Digital de Imágenes, Medición de Tamaño de Gotas, Caracterización de Pulverizadores

Resumen

Este artículo sintetiza un procedimiento realizado para el recuento y medición del área y diámetro de gotas individuales procedentes de un generador de niebla piezoeléctrico. Se construyó un conjunto óptico basado en una cámara para capturar imágenes de las gotas de agua a contraluz. Utilizando el software ImageJ, se aplicó la técnica de umbralización auto localizada Sauvola, binarizando simultáneamente las gotas enfocadas y descartando las desenfocadas. Posteriormente, se calculó el área y el diámetro de las gotas; datos que fueron procesaron usando MATLAB. Los resultados muestran que el método se comporta adecuadamente tanto en la binarización de las gotas enfocadas como en el descarte de las gotas desenfocadas en un solo paso, lo que resultó en un recuento fiable de gotas con una medición de 5 micrómetros de precisión.

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