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Augmented Mitotic Cell Count Using Field of Interest Proposal

  • Marc AubrevilleEmail author
  • Christof A. Bertram
  • Robert Klopfleisch
  • Andreas Maier
Conference paper
Part of the Informatik aktuell book series (INFORMAT)

Zusammenfassung

Histopathological prognostication of neoplasia including most tumor grading systems are based upon a number of criteria. Probably the most important is the number of mitotic figures which are most commonly determined as the mitotic count (MC), i.e. number of mitotic figures within 10 consecutive high power fields. Often the area with the highest mitotic activity is to be selected for the MC. However, since mitotic activity is not known in advance, an arbitrary choice of this region is considered one important cause for high variability in the prognostication and grading. In this work, we present an algorithmic approach that first calculates a mitotic cell map based upon a deep convolutional network. This map is in a second step used to construct a mitotic activity estimate. Lastly, we select the image segment representing the size of ten high power fields with the overall highest mitotic activity as a region proposal for an expert MC determination. We evaluate the approach using a dataset of 32 completely annotated whole slide images, where 22 were used for training of the network and 10 for test. We find a correlation of r=0.936 in mitotic count estimate.

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Copyright information

© Springer Fachmedien Wiesbaden GmbH, ein Teil von Springer Nature 2019

Authors and Affiliations

  • Marc Aubreville
    • 1
    Email author
  • Christof A. Bertram
    • 2
  • Robert Klopfleisch
    • 2
  • Andreas Maier
    • 1
  1. 1.Pattern Recognition Lab, Computer SciencesFriedrich-Alexander-Universität Erlangen-NürnbergErlangenDeutschland
  2. 2.Institute of Veterinary PathologyFreie Universität BerlinBerlinDeutschland

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