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Using Bag-of-Visual Words to Classify Intestinal Parasites in Reptiles from Stool Images

  • Escuela Politecnica Nacional
  • Universidad Rey Juan Carlos

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Captive reptile environments promote parasite proliferation, leading to infections and weak immune responses. Furthermore, the manual analysis of stool samples for parasite detection is laborious and susceptible to errors. Therefore, this paper proposes a Bag-of-Visual Word approach to classify six captive reptile parasitic agents, namely Ophionyssus natricis, Blastocystis sp, Oxiurdo egg, Rhytidoides similis, Strongyloides and Taenia, and identify the absence of such parasites from microscope stool images. Based on relevant key points and the SURF descriptor, the Bag-of-Visual Word representation is integrated with a support vector machine-based classifier. We trained the model on a publicly available dataset composed of 3616 images labeled by experts. Experimental results show competitive performance (84.4% accuracy) compared to computationally intensive methods such as conventional convolutional neural networks.

Original languageEnglish
Title of host publicationECTM 2023 - 2023 IEEE 7th Ecuador Technical Chapters Meeting
EditorsDavid Rivas Lalaleo, Manuel Ignacio Ayala Chauvin
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350338232
DOIs
StatePublished - 2023
Event7th IEEE Ecuador Technical Chapters Meeting, ECTM 2023 - Ambato, Ecuador
Duration: 10 Oct 202313 Oct 2023

Publication series

NameECTM 2023 - 2023 IEEE 7th Ecuador Technical Chapters Meeting

Conference

Conference7th IEEE Ecuador Technical Chapters Meeting, ECTM 2023
Country/TerritoryEcuador
CityAmbato
Period10/10/2313/10/23

Keywords

  • Bag-of-visual-words (BoVW)
  • Parasites classification
  • SVM
  • reptiles

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