Browsing by Author "Zhao, Dongfang"

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    A systematic evaluation of computation methods for cell segmentation
    Wang, Yuxing; Zhao, Junhan; Xu, Hongye; Han, Cheng; Tao, Zhiqiang; Zhao, Dongfang; Zhou, Dawei; Tong, Gang; Liu, Dongfang; Ji, Zhicheng (Cold Spring Harbor Laboratory, 2024-01-31)
    Cell segmentation is a fundamental task in analyzing biomedical images. Many computational methods have been developed for cell segmentation, but their performances are not well understood in various scenarios. We systematically evaluated the performance of 18 segmentation methods to perform cell nuclei and whole cell segmentation using light microscopy and fluorescence staining images. We found that general-purpose methods incorporating the attention mechanism exhibit the best overall performance. We identified various factors influencing segmentation performances, including training data and cell morphology, and evaluated the generalizability of methods across image modalities. We also provide guidelines for choosing the optimal segmentation methods in various real application scenarios. We developed Seggal, an online resource for downloading segmentation models already pre-trained with various tissue and cell types, which substantially reduces the time and effort for training cell segmentation models.