Rodrigo Parra

Mr. Rodrigo Parra


Research Focus & Metrics

Academic Career Length

6Years (2021-Present)

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

Representative Publications

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21 October 2021 in Diagnostics
Verified
Journal Article
Open access
PDF file
RPRodrigo Parra
Rodrigo Parra
VOVerena Ojeda
Verena Ojeda
Jose Luis Vázquez NogueraJose Luis Vázquez Noguera
Jose Luis Vázquez Noguera
Miguel Garcia TorresMiguel Garcia Torres
Miguel Garcia Torres
Julio César Mello RománJulio César Mello Román
Julio César Mello Román
IMIngrid Castro Matto
Ingrid Castro Matto
In the automatic diagnosis of ocular toxoplasmosis (OT), Deep Learning (DL) has arisen as a powerful and promising approach for diagnosis. However, despite the good performance of the models, decision rules should be interpretable to elicit trust from the medical community. Therefore, the development of an evaluation methodology to assess DL models based on interpretability methods is a challenging task that is necessary to extend the use of AI among clinicians. In this work, we propose a novel methodology to quantify the similarity between the decision rules used by a DL model and an ophthalmologist, based on the assumption that doctors are more likely to trust a prediction that was based on decision rules they can understand. Given an eye fundus image with OT, the proposed methodology compares the segmentation mask of OT lesions labeled by an ophthalmologist with the attribution matrix produced by interpretability methods. Furthermore, an open dataset that includes the eye fundus images and the segmentation masks is shared with the community. The proposal was tested on three different DL architectures. The results suggest that complex models tend to perform worse in terms of likelihood to be trusted while achieving better results in sensitivity and specificity.

18 November 2021
Verified
Conference Paper
Open access
PDF file
RPRodrigo Parra
Rodrigo Parra
VOVerena Ojeda
Verena Ojeda
JNJosé Luis Vázquez Noguera
José Luis Vázquez Noguera
Miguel Garcia TorresMiguel Garcia Torres
Miguel Garcia Torres
JRJulio César Mello Román
Julio César Mello Román
ICIngrid Cast
Ingrid Cast
La toxoplasmosis ocular (TO) es causada por el Toxoplasma Gondii que es una enfermedad parasitaria que afecta a lamayor parte de la población mundial y su diagnóstico se realiza mediante el análisis de toma de imagen de fondo de ojorealizado