Michael Hernando Contreras Ramirez

Ms. Michael Hernando Contreras Ramirez

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Research Focus & Metrics

Academic Career Length

3Years (2024-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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21 December 2024 in Sensors
Verified
Journal Article
Open access
PDF file
MRMichael Hernando Contreras Ramirez
Michael Hernando Contreras Ramirez
JCJhonathan Sora Cardenas
Jhonathan Sora Cardenas
CSClaudia Lucia Colorado Salamanca
Claudia Lucia Colorado Salamanca
COClemencia Ovalle
Clemencia Ovalle
DSDaniel R. Suarez
Daniel R. Suarez
Cutaneous leishmaniasis is a parasitic disease that poses significant diagnostic challenges due to the variability of results and reliance on operator expertise. This study addresses the development of a system based on machine learning algorithms to detect Leishmania spp. parasite in direct smear microscopy images, contributing to the diagnosis of cutaneous leishmaniasis. Starting with acquiring and labeling 500 images, an experimental design was implemented, including preprocessing and segmentation techniques such as Otsu, local thresholding, and Iterative Global Minimum Search (IGMS) to improve parasite detection. The phenotypic features of the parasites were extracted, focusing on morphology, texture, and color. Machine learning models (ANN, SVM, and RF) optimized through Grid Search were applied for classification. The model with the best results was a Support Vector Machine (SVM), achieving a sensitivity of 91.87% and a specificity of 89.21% at the crop level. Compared with previous studies, these results highlight the relevance and consistency of the methodology used, supporting the initial hypothesis. This suggests that machine learning techniques offer a promising path toward improving the diagnosis of cutaneous leishmaniasis.