期刊
ENTROPY
卷 23, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/e23060649
关键词
SPT; anomalous diffusion; machine learning classification; deep learning; residual neural networks
资金
- NCN Beethoven Grant [2016/23/G/ST1/04083]
In this study, deep residual networks were utilized to classify molecular trajectories in living cells, resulting in a model with higher accuracy, fewer parameters, shorter training time, reduced overfitting, and better generalization to unseen data compared to the initial network.
Identification of the diffusion type of molecules in living cells is crucial to deduct their driving forces and hence to get insight into the characteristics of the cells. In this paper, deep residual networks have been used to classify the trajectories of molecules. We started from the well known ResNet architecture, developed for image classification, and carried out a series of numerical experiments to adapt it to detection of diffusion modes. We managed to find a model that has a better accuracy than the initial network, but contains only a small fraction of its parameters. The reduced size significantly shortened the training time of the model. Moreover, the resulting network has less tendency to overfitting and generalizes better to unseen data.
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