MarkIt: A Collaborative Artificial Intelligence Annotation Platform Leveraging Blockchain For Medical Imaging Research

Authors

  • Jan Witowski Laboratory of Medical Imaging and Computation, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA https://orcid.org/0000-0001-9284-4830
  • Jongmun Choi Laboratory of Medical Imaging and Computation, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
  • Soomin Jeon Laboratory of Medical Imaging and Computation, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA https://orcid.org/0000-0003-1009-8227
  • Doyun Kim Laboratory of Medical Imaging and Computation, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA https://orcid.org/0000-0001-5347-3176
  • Joowon Chung Laboratory of Medical Imaging and Computation, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA https://orcid.org/0000-0003-1572-8056
  • John Conklin Division of Emergency Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA https://orcid.org/0000-0001-9921-2086
  • Maria Gabriela Figueiro Longo Division of Emergency Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA https://orcid.org/0000-0001-6819-4890
  • Marc D. Succi Medically Engineered Solutions in Healthcare (MESH) Incubator, Massachusetts General Hospital, Boston, MA, USA https://orcid.org/0000-0002-1518-3984
  • Synho Do Laboratory of Medical Imaging and Computation, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA https://orcid.org/0000-0001-6211-7050

DOI:

https://doi.org/10.30953/bhty.v4.176

Keywords:

artificial intelligence, data annotation, learning from crowds, blockchain, rewarding system

Abstract

Current research on medical image processing relies heavily on the amount and quality of input data. Specifically, supervised machine learning methods require well-annotated datasets. A lack of annotation tools limits the potential to achieve high-volume processing and scaled systems with a proper reward mechanism. We developed MarkIt, a web-based tool, for collaborative annotation of medical imaging data with artificial intelligence and blockchain technologies. Our platform handles both Digital Imaging and Communications in Medicine (DICOM) and non-DICOM images, and allows users to annotate them for classification and object detection tasks in an efficient manner. MarkIt can accelerate the annotation process and keep track of user activities to calculate a fair reward. A proof-of-concept experiment was conducted with three fellowship-trained radiologists, each of whom annotated 1,000 chest X-ray studies for multi-label classification. We calculated the inter-rater agreement and estimated the value of the dataset to distribute the reward for annotators using a crypto currency. We hypothesize that MarkIt allows the typically arduous annotation task to become more efficient. In addition, MarkIt can serve as a platform to evaluate the value of data and trade the annotation results in a more scalable manner in the future. The platform is publicly available for testing on https://markit.mgh.harvard.edu.

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Published

2021-05-05

How to Cite

Witowski, J., Choi, J. ., Jeon, S., Kim, D., Chung, J., Conklin, J., Figueiro Longo, M. G. ., Succi, M. D., & Do, S. (2021). MarkIt: A Collaborative Artificial Intelligence Annotation Platform Leveraging Blockchain For Medical Imaging Research. Blockchain in Healthcare Today, 4. https://doi.org/10.30953/bhty.v4.176

Issue

Section

Proof of Concept