Cited by 487Medical Image Segmentation TechniquesAdvanced Neural Network ApplicationsDomain Adaptation and Few-Shot Learning

NAS-Unet: Neural Architecture Search for Medical Image Segmentation

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Weng, Yu, Zhou, Tianbao, Li, Yujie, Qiu, Xiaoyu·2019·IEEE Access

Abstract

Neural architecture search (NAS) has significant progress in improving the accuracy of image classification. Recently, some works attempt to extend NAS to image segmentation which shows preliminary feasibility. However, all of them focus on searching architecture for semantic segmentation in natural scenes. In this paper, we design three types of primitive operation set on search space to automatically find two cell architecture DownSC and UpSC for semantic image segmentation especially medical image segmentation. Inspired by the U-net architecture and its variants successfully applied to various medical image segmentation, we propose NAS-Unet which is stacked by the same number of DownSC and UpSC on a U-like backbone network. The architectures of DownSC and UpSC updated simultaneously by a differential architecture strategy during the search stage. We demonstrate the good segmentation results of the proposed method on Promise12, Chaos, and ultrasound nerve datasets, which collected by magnetic resonance imaging, computed tomography, and ultrasound, respectively. Without any pretraining, our architecture searched on PASCAL VOC2012, attains better performances and much fewer parameters (about 0.8M) than U-net and one of its variants when evaluated on the above three types of medical image datasets.

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Research works printed but not linked: 4

  1. kingma, 2014, A method for stochastic optimization
  2. rebetez, 2016, FHTAGN Net Kaggle Ultrasound Nerve Segmentation (25th with 0 70679 Final Ranking)
  3. 2016, Ultrasound Nerve Segmentation
  4. 2019, CHAOS—Combined (CT-MR) Healthy Abdominal Organ Segmentation

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Authors
Weng, Y., Zhou, T., Li, Y., & Qiu, X.
Affiliations
  • Minzu University of China (CN)
  • Yangzhou University (CN)
  • Shandong University of Traditional Chinese Medicine (CN)
Venue
IEEE Access
Published
2019
Volume
7
Pages
44247-44257
ISSN
2169-3536 (ISSN-L)
OpenAlex
W2927980542
Cited by
487
References
54
Citations by year
2026: 21 · 2025: 54 · 2024: 89 · 2023: 97 · 2022: 72 · 2021: 87 · 2020: 57 · 2019: 10
FWCI
25.30
Type
journal article
Language
en
Open access
Locations
  • IEEE Access (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (61772575)
  • National Key R&D Program of China (2017YFB1402101)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Medical Image Segmentation Techniques
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
  • Physical Sciences › Computer Science › Artificial Intelligence › Domain Adaptation and Few-Shot Learning
Keywords
neural architecture search, medical image segmentation, semantic segmentation, U-Net, magnetic resonance imaging, CT

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