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arXiv 1505.04597cs.CV
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U-Net:用于生物医学图像分割的卷积网络

U-Net: Convolutional Networks for Biomedical Image Segmentation

University of Freiburg(弗莱堡大学);BIOSS Centre for Biological Signalling Studies(BIOSS生物信号研究中心)

Olaf Ronneberger, Philipp Fischer, Thomas Brox

摘要:

深度网络的成功训练需要数千个带注释的训练样本。在本文中,我们提出了一种网络和训练策略,它依赖于数据增强的强大使用,以更有效地使用可用的注释样本。该架构由一个收缩路径捕获上下文和对称扩展路径,使精确定位。我们表明,这样的网络可以从很少的图像进行端到端的训练,并且在电子显微镜堆栈中神经元结构分割的ISBI挑战上优于现有的最佳方法(滑动窗口卷积网络)。使用在透射光显微镜图像(相差和DIC)上训练的相同网络,我们在这些类别中赢得了2015年ISBI细胞跟踪挑战赛。此外,网络速度很快。在最新的GPU上,分割512 x512图像的时间不到一秒。完整的实施(基于Caffe)和经过训练的网络可在http://lmb.informatik.uni-freiburg.de/people/ronneber/u-net上获得。

英文摘要:

There is large consent that successful training of deep networks requires many thousand annotated training samples. In this paper, we present a network and training strategy that relies on the strong use of data augmentation to use the available annotated samples more efficiently. The architecture consists of a contracting path to capture context and a symmetric expanding path that enables precise localization. We show that such a network can be trained end-to-end from very few images and outperforms the prior best method (a sliding-window convolutional network) on the ISBI challenge for segmentation of neuronal structures in electron microscopic stacks. Using the same network trained on transmitted light microscopy images (phase contrast and DIC) we won the ISBI cell tracking challenge 2015 in these categories by a large margin. Moreover, the network is fast. Segmentation of a 512x512 image takes less than a second on a recent GPU. The full implementation (based on Caffe) and the trained networks are available at http://lmb.informatik.uni-freiburg.de/people/ronneber/u-net .

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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