An Analysis of the Impact of Annotation Errors on the Accuracy of Deep Learning for Cell SegmentationDownload PDF

10 Dec 2021, 11:52 (modified: 22 Jun 2022, 18:47)MIDL 2022Readers: Everyone
Keywords: deep learning, cell segmentation, noisy labels
TL;DR: We analyze the impact of three different types of potential annotation errors on the results of three types of convolutional neural networks in application to cell segmentation.
Abstract: Recent studies have shown that there can be high inter- and intra-observer variability when creating annotations for biomedical image segmentation. To mitigate the effects of manual annotation variability when training machine learning algorithms, various methods have been developed. However, little work has been done on actually assessing the impact of annotation errors on machine learning-based segmentation. For the task of cell segmentation, our work aims to bridge this gap by providing a thorough analysis of three types of potential annotation errors. We tackle the limitation of previous studies that lack a golden standard ground truth by performing our analysis on two synthetically-generated data sets with perfect labels, while also validating our observations on manually-labeled data. Moreover, we discuss the influence of the annotation errors on the results of three different network architectures: UNet, SegNet, and MSD. We find that UNet shows the overall best robustness for all data sets on two categories of errors, especially when the severity of the error is low, while MSD generalizes well even when a large proportion of the cell labels is missing during training. Moreover, we observe that special care should be taken to avoid wrongly labeling large objects when the target cells have small footprints.
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Paper Type: validation/application paper
Primary Subject Area: Learning with Noisy Labels and Limited Data
Secondary Subject Area: Segmentation
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Code And Data: https://github.com/SerbanVadineanu/labeling_errors_on_cell_segmentation
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