Cited by 116Digital Imaging for Blood DiseasesCell Image Analysis TechniquesArtificial Intelligence in Healthcare

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An Efficient Multi-Level Convolutional Neural Network Approach for White Blood Cells Classification

Open access
Cheuque, César, Querales, Marvin, León, Roberto, Salas, Rodrigo, Torres, Romina·2022·Diagnostics

Abstract

The evaluation of white blood cells is essential to assess the quality of the human immune system; however, the assessment of the blood smear depends on the pathologist’s expertise. Most machine learning tools make a one-level classification for white blood cell classification. This work presents a two-stage hybrid multi-level scheme that efficiently classifies four cell groups: lymphocytes and monocytes (mononuclear) and segmented neutrophils and eosinophils (polymorphonuclear). At the first level, a Faster R-CNN network is applied for the identification of the region of interest of white blood cells, together with the separation of mononuclear cells from polymorphonuclear cells. Once separated, two parallel convolutional neural networks with the MobileNet structure are used to recognize the subclasses in the second level. The results obtained using Monte Carlo cross-validation show that the proposed model has a performance metric of around 98.4% (accuracy, recall, precision, and F1-score). The proposed model represents a good alternative for computer-aided diagnosis (CAD) tools for supporting the pathologist in the clinical laboratory in assessing white blood cells from blood smear images.

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Crossref · 10.3390/diagnostics12020248

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Figure 1 Scheme of identification and classification of white blood cells by the proposed method.
Figure 1 Scheme of identification and classification of white blood cells by the proposed method.CC BY · PubMed Central
Figure 2 Representation of Faster R-CNN segmentation.
Figure 2 Representation of Faster R-CNN segmentation.CC BY · PubMed Central
Figure 3 Depthwise separable convolution of the MobileNet, which factorizes the convolution into depthwise and pointwise convolutions.
Figure 3 Depthwise separable convolution of the MobileNet, which factorizes the convolution into depthwise and pointwise convolutions.CC BY · PubMed Central
Figure 4 Mononuclear cells classified by the proposed multi-level convolutional neural network. (upper-left) Lymphocytes correctly classified; (upper-right) monocytes Correctly classified; (lower-left) lymphocytes incorrectly classified as monocytes; (lower-right) monocytes incorrectly classified as lymphocytes.
Figure 4 Mononuclear cells classified by the proposed multi-level convolutional neural network. (upper-left) Lymphocytes correctly classified; (upper-right) monocytes Correctly classified; (lower-left) lymphocytes incorrectly classified as monocytes; (lower-right) monocytes incorrectly classified as lymphocytes.CC BY · PubMed Central
Figure 5 Polymorphonuclear cells classified by the proposed multi-level convolutional neural network. (upper-left) Eosinophils correctly classified; (upper-right) neutrophils correctly classified; (lower-left) eosinophils incorrectly classified as neutrophils; (lower-right) neutrophils incorrectly classified as eosinophils.
Figure 5 Polymorphonuclear cells classified by the proposed multi-level convolutional neural network. (upper-left) Eosinophils correctly classified; (upper-right) neutrophils correctly classified; (lower-left) eosinophils incorrectly classified as neutrophils; (lower-right) neutrophils incorrectly classified as eosinophils.CC BY · PubMed Central

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References 57 · Cited by 116

Research works printed but not linked: 12

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Metadata

Authors
Cheuque, C., Querales, M., León, R., Salas, R., & Torres, R.
Affiliations
  • Universidad Andrés Bello (CL)
  • University of Valparaíso (CL)
  • Centro de Investigación y Desarrollo en Ingeniería en Salud, Escuela de Ingeniería C. Biomédica, Universidad de Valparaíso, Valparaíso 2362905, Chile
Corresponding author
Torres, Romina
Venue
Diagnostics
Publisher
MDPI AG
Published
2022-01-20
Volume
12
Issue
2
Pages
248
ISSN
2075-4418 (ISSN-L)
OpenAlex
W4206685736
Cited by
116
References
57
Citations by year
2026: 18 · 2025: 32 · 2024: 26 · 2023: 28 · 2022: 12
FWCI
8.02
Type
journal article
Language
en
Open access
Locations
  • Diagnostics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Repositorio Institucional Académico , Sistema de Bibliotecas Universidad Andrés Bello (UNAB) (Universidad Andrés Bello (UNAB)) (submittedVersion, other-oa)
Funders
Agencia Nacional de Investigación y Desarrollo (ICN2021- 381 004)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Digital Imaging for Blood Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Cell Image Analysis Techniques
  • Health Sciences › Health Professions › Health Information Management › Artificial Intelligence in Healthcare
Keywords
white blood cell classification, blood smear images, lymphocytes, monocytes, neutrophils, eosinophils, Faster R-CNN, MobileNet, two-stage classification, computer-aided diagnosis

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CoChat. (2026). Citation check: An Efficient Multi-Level Convolutional Neural Network Approach for White Blood Cells Classification. https://app.cochat.ai/papers/10.3390/diagnostics12020248
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Cheuque, C., Querales, M., León, R., Salas, R., & Torres, R. (2022). An Efficient Multi-Level Convolutional Neural Network Approach for White Blood Cells Classification. Diagnostics. https://doi.org/10.3390/diagnostics12020248