Domain adaptation strategies for cancer-independent detection of lymph node metastases

• URL: http://arxiv.org/abs/2207.06193v1
• Date: Wed, 13 Jul 2022 13:41:20 GMT
• Title: Domain adaptation strategies for cancer-independent detection of lymph node metastases
• Authors: P\'eter B\'andi, Maschenka Balkenhol, Marcory van Dijk, Bram van Ginneken, Jeroen van der Laak, Geert Litjens
• Abstract summary: Large, high-quality public datasets have led to the development of convolutional neural networks that can detect lymph node metastases of breast cancer. We show how to leverage existing high-quality datasets most efficiently in multi-task settings for closely related tasks.
• Score: 8.00124399861179
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recently, large, high-quality public datasets have led to the development of convolutional neural networks that can detect lymph node metastases of breast cancer at the level of expert pathologists. Many cancers, regardless of the site of origin, can metastasize to lymph nodes. However, collecting and annotating high-volume, high-quality datasets for every cancer type is challenging. In this paper we investigate how to leverage existing high-quality datasets most efficiently in multi-task settings for closely related tasks. Specifically, we will explore different training and domain adaptation strategies, including prevention of catastrophic forgetting, for colon and head-and-neck cancer metastasis detection in lymph nodes. Our results show state-of-the-art performance on both cancer metastasis detection tasks. Furthermore, we show the effectiveness of repeated adaptation of networks from one cancer type to another to obtain multi-task metastasis detection networks. Last, we show that leveraging existing high-quality datasets can significantly boost performance on new target tasks and that catastrophic forgetting can be effectively mitigated using regularization.

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