System for the identification and quantification of helminth eggs in environmental samples

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United States of America Patent

PATENT NO 9773154
SERIAL NO

14879466

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Abstract

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Process and system for identifying and quantifying helminth eggs in water, sludge, biosolid and/or excreta samples among others, from images comprising filtering the images with an anisotropic filter maintaining the borders of the images, obtaining filtered images; filtering the filtered images applying Laplacian of Gaussian detecting changes in the filtered images, and obtaining binarized images; separating the binarized images by means of a filtered distance field Watershed filter, obtaining the images; filtering the images eliminating objects by perimeter compactness, considering the size of the objects in the images filtered again and separating the differences to avoid false positives, obtaining images with identified objects; characterizing the objects identified in the images segmenting the objects by means of gray profiles; and classifying the characterized objects according to a statistic classifier for identifying and quantifying different species of helminth eggs.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSIDAD NACIONAL AUTONOMA DE MEXICO9 PISO DE LA TORRE DE RECTORIA CIUDAD UNIVERSITARIA DELEGACION COYOACAN MEXICO CITY C P 04510

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arámbula, Cosio Fernando Distrito Federal, MX 1 0
Barrios, Pérez José Antonio Distrito Federal, MX 1 6
Jiménez, Cisneros Blanca Elena Distrito Federal, MX 1 6
Maya, Rendón Catalina Distrito Federal, MX 1 6
Velásquez, Rodríguez Gustavo Adolfo Rodrigo Distrito Federal, MX 1 6

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