BoNuS: Boundary Mining for Nuclei Segmentation with Partial Point Labels

• URL: http://arxiv.org/abs/2401.07437v1
• Date: Mon, 15 Jan 2024 02:50:39 GMT
• Title: BoNuS: Boundary Mining for Nuclei Segmentation with Partial Point Labels
• Authors: Yi Lin, Zeyu Wang, Dong Zhang, Kwang-Ting Cheng, Hao Chen
• Abstract summary: We propose a weakly-supervised nuclei segmentation method that only requires partial point labels of nuclei. Specifically, we propose a novel boundary mining framework for nuclei segmentation, named BoNuS, which simultaneously learns nuclei interior and boundary information from the point labels. We consider a nuclei detection module with curriculum learning to detect the missing nuclei with prior morphological knowledge.
• Score: 34.57288003249214
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Nuclei segmentation is a fundamental prerequisite in the digital pathology workflow. The development of automated methods for nuclei segmentation enables quantitative analysis of the wide existence and large variances in nuclei morphometry in histopathology images. However, manual annotation of tens of thousands of nuclei is tedious and time-consuming, which requires significant amount of human effort and domain-specific expertise. To alleviate this problem, in this paper, we propose a weakly-supervised nuclei segmentation method that only requires partial point labels of nuclei. Specifically, we propose a novel boundary mining framework for nuclei segmentation, named BoNuS, which simultaneously learns nuclei interior and boundary information from the point labels. To achieve this goal, we propose a novel boundary mining loss, which guides the model to learn the boundary information by exploring the pairwise pixel affinity in a multiple-instance learning manner. Then, we consider a more challenging problem, i.e., partial point label, where we propose a nuclei detection module with curriculum learning to detect the missing nuclei with prior morphological knowledge. The proposed method is validated on three public datasets, MoNuSeg, CPM, and CoNIC datasets. Experimental results demonstrate the superior performance of our method to the state-of-the-art weakly-supervised nuclei segmentation methods. Code: https://github.com/hust-linyi/bonus.

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