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arXiv 2004.09821cs.CVcs.LG
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基于局部约束学习的对象感知嵌入的生物医学图像实例分割

Instance Segmentation of Biomedical Images with an Object-aware Embedding Learned with Local Constraints

RWTH Aachen University(亚琛工业大学)

Long Chen, Martin Strauch, Dorit Merhof

摘要:

自动实例分割是许多生物医学应用中出现的问题。现有技术的方法或者执行语义分割或者细化从检测方法获得的对象边界框。这两种方法都在不同程度上受到拥挤对象的影响,合并相邻对象或抑制有效对象。在这项工作中,我们通过深度神经网络为每个像素分配一个嵌入向量。该网络被训练为输出来自同一对象的像素的相似方向的嵌入向量,而相邻对象在嵌入空间中是正交的,这有效地避免了人群中对象的融合。我们的方法即使在细胞分割(BBBC006 + DSB2018)和叶分割数据集(CVPPP2017)上使用轻量级骨干网络也能产生最先进的结果。代码和模型权重是公开的。

英文摘要:

Automatic instance segmentation is a problem that occurs in many biomedical applications. State-of-the-art approaches either perform semantic segmentation or refine object bounding boxes obtained from detection methods. Both suffer from crowded objects to varying degrees, merging adjacent objects or suppressing a valid object. In this work, we assign an embedding vector to each pixel through a deep neural network. The network is trained to output embedding vectors of similar directions for pixels from the same object, while adjacent objects are orthogonal in the embedding space, which effectively avoids the fusion of objects in a crowd. Our method yields state-of-the-art results even with a light-weighted backbone network on a cell segmentation (BBBC006 + DSB2018) and a leaf segmentation data set (CVPPP2017). The code and model weights are public available.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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