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Automatic detection of Trypanosomosis in thick blood smears using image pre-processing and deep learning

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Abstract
Trypanosomosis, which is caused by the Trypanosoma parasite, is an infectious disease that affects both humans and animals. Today, the microscopic examination of a Giemsa or Wright stained blood smear from an infected individual is the standard procedure for diagnosis because of the straightforward nature of sample preparation. Unfortunately, this method is labor-intensive and prone to error, particularly resulting in false-negative scoring when parasite levels are low during chronic infections. Automating the detection of parasites in blood smear images can overcome sensitivity limitations related to a microscopic examination. We therefore propose a deep learning approach that aims at automatically classifying microscope images in terms of parasite presence or absence. To that end, we applied a ResNet18 model using a pre-processed dataset derived from microscope videos of unstained thick blood smears, with the blood smears originating from a mouse infected with Trypanosoma brucei. Our pre-processing strategy mainly involved image cropping and the application of a thresholding algorithm for facilitating effective model training. Moreover, our thresholding approach made it possible to observe a positive correlation between the percentage of parasite-related pixels in an image and the classification effectiveness.

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MLA
Jung, Taewoo, et al. “Automatic Detection of Trypanosomosis in Thick Blood Smears Using Image Pre-Processing and Deep Learning.” Intelligent Human Computer Interaction 12th International Conference, IHCI 2020, vol. 12616, Springer, 2021, pp. 254–66, doi:10.1007/978-3-030-68452-5_27.
APA
Jung, T., Anzaku, E. T., Özbulak, U., Magez, S., Van Messem, A., & De Neve, W. (2021). Automatic detection of Trypanosomosis in thick blood smears using image pre-processing and deep learning. Intelligent Human Computer Interaction 12th International Conference, IHCI 2020, 12616, 254–266. https://doi.org/10.1007/978-3-030-68452-5_27
Chicago author-date
Jung, Taewoo, Esla Timothy Anzaku, Utku Özbulak, Stefan Magez, Arnout Van Messem, and Wesley De Neve. 2021. “Automatic Detection of Trypanosomosis in Thick Blood Smears Using Image Pre-Processing and Deep Learning.” In Intelligent Human Computer Interaction 12th International Conference, IHCI 2020, 12616:254–66. Cham: Springer. https://doi.org/10.1007/978-3-030-68452-5_27.
Chicago author-date (all authors)
Jung, Taewoo, Esla Timothy Anzaku, Utku Özbulak, Stefan Magez, Arnout Van Messem, and Wesley De Neve. 2021. “Automatic Detection of Trypanosomosis in Thick Blood Smears Using Image Pre-Processing and Deep Learning.” In Intelligent Human Computer Interaction 12th International Conference, IHCI 2020, 12616:254–266. Cham: Springer. doi:10.1007/978-3-030-68452-5_27.
Vancouver
1.
Jung T, Anzaku ET, Özbulak U, Magez S, Van Messem A, De Neve W. Automatic detection of Trypanosomosis in thick blood smears using image pre-processing and deep learning. In: Intelligent Human Computer Interaction 12th International Conference, IHCI 2020. Cham: Springer; 2021. p. 254–66.
IEEE
[1]
T. Jung, E. T. Anzaku, U. Özbulak, S. Magez, A. Van Messem, and W. De Neve, “Automatic detection of Trypanosomosis in thick blood smears using image pre-processing and deep learning,” in Intelligent Human Computer Interaction 12th International Conference, IHCI 2020, South Korea, 2021, vol. 12616, pp. 254–266.
@inproceedings{8696749,
  abstract     = {{Trypanosomosis, which is caused by the Trypanosoma parasite, is an infectious disease that affects both humans and animals. Today, the microscopic examination of a Giemsa or Wright stained blood smear from an infected individual is the standard procedure for diagnosis because of the straightforward nature of sample preparation. Unfortunately, this method is labor-intensive and prone to error, particularly resulting in false-negative scoring when parasite levels are low during chronic infections. Automating the detection of parasites in blood smear images can overcome sensitivity limitations related to a microscopic examination. We therefore propose a deep learning approach that aims at automatically classifying microscope images in terms of parasite presence or absence. To that end, we applied a ResNet18 model using a pre-processed dataset derived from microscope videos of unstained thick blood smears, with the blood smears originating from a mouse infected with Trypanosoma brucei. Our pre-processing strategy mainly involved image cropping and the application of a thresholding algorithm for facilitating effective model training. Moreover, our thresholding approach made it possible to observe a positive correlation between the percentage of parasite-related pixels in an image and the classification effectiveness.}},
  author       = {{Jung, Taewoo and Anzaku, Esla Timothy and Özbulak, Utku and Magez, Stefan and Van Messem, Arnout and De Neve, Wesley}},
  booktitle    = {{Intelligent Human Computer Interaction 12th International Conference, IHCI 2020}},
  isbn         = {{9783030684518}},
  issn         = {{0302-9743}},
  language     = {{eng}},
  location     = {{South Korea}},
  pages        = {{254--266}},
  publisher    = {{Springer}},
  title        = {{Automatic detection of Trypanosomosis in thick blood smears using image pre-processing and deep learning}},
  url          = {{http://doi.org/10.1007/978-3-030-68452-5_27}},
  volume       = {{12616}},
  year         = {{2021}},
}

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