Cited by 1,316Radiomics and Machine Learning in Medical ImagingImage Retrieval and Classification TechniquesArtificial Intelligence in Healthcare and Education

Radiomics in medical imaging—“how-to” guide and critical reflection

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van Timmeren, Janita E., Cester, Davide, Tanadini-Lang, Stephanie, Alkadhi, Hatem, Baessler, Bettina·2020·Insights into Imaging

Abstract

Radiomics is a quantitative approach to medical imaging, which aims at enhancing the existing data available to clinicians by means of advanced mathematical analysis. Through mathematical extraction of the spatial distribution of signal intensities and pixel interrelationships, radiomics quantifies textural information by using analysis methods from the field of artificial intelligence. Various studies from different fields in imaging have been published so far, highlighting the potential of radiomics to enhance clinical decision-making. However, the field faces several important challenges, which are mainly caused by the various technical factors influencing the extracted radiomic features. The aim of the present review is twofold: first, we present the typical workflow of a radiomics analysis and deliver a practical “how-to” guide for a typical radiomics analysis. Second, we discuss the current limitations of radiomics, suggest potential improvements, and summarize relevant literature on the subject.

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  • A lack of standardised methodology is an important limitation of all radiomics studies and remains a major challenge in the field.

    “Furthermore, a lack of standardised methodology is an important limitation of all radiomics studies and remains a major challenge in the field [18].”
  • There is currently no consensus on how to perform image pre-processing steps for MR images in radiomics, and it is one of the open challenges in radiomic processing.

    “There is currently no consensus on how to perform these steps for MR images in radiomics, and is one of the many open challenges in radiomic processing [18, 44].”
  • Automated segmentations may be considered ideal because they minimise inter-observer variability.

    “automated segmentations may be considered the ideal approach as it minimises the inter-observability between segmentations”
  • The applicability of trained algorithms to new datasets is currently limited and often results in failure of accurate segmentations.

    “the applicability of trained algorithms to new datasets is currently limited and often results in failure of accurate segmentations [18]”

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Research works printed but not linked: 1

  1. [119]Um H Tixier F Bermudez D Deasy JO Young RJ Veeraraghavan H Impact of image preprocessing on the scanner dependence of multi-parametric MRI radiomic features and covariate shift in multi-institutional glioblastoma datasets Phys Med Biol 2019 64 165011 31272093

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Authors
van Timmeren, J. E., Cester, D., Tanadini-Lang, S., Alkadhi, H., & Baessler, B.
Affiliations
University of Zurich (CH)
Corresponding author
Baessler, Bettina
Venue
Insights into Imaging
Published
2020-08-12
Volume
11
Issue
1
Pages
91-91
ISSN
1869-4101 (ISSN-L)
OpenAlex
W3048802680
Cited by
1,316
References
132
Citations by year
2026: 169 · 2025: 255 · 2024: 274 · 2023: 295 · 2022: 220 · 2021: 96 · 2020: 6
FWCI
22.74
Type
journal article
Language
en
Open access
Locations
  • Insights into Imaging (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, cc-by)
  • Zurich Open Repository and Archive (University of Zurich)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiomics and Machine Learning in Medical Imaging
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Image Retrieval and Classification Techniques
  • Health Sciences › Medicine › Health Informatics › Artificial Intelligence in Healthcare and Education
Keywords
radiomics, radiomic feature extraction, texture analysis, signal intensity distribution, artificial intelligence, clinical decision-making

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