Abstract

Extracting inherent valuable knowledge from omics big data remains as a daunting problem in bioinformatics and computational biology. Deep learning, as an emerging branch from machine learning, has exhibited unprecedented performance in quite a few applications from academia and industry. We highlight the difference and similarity in widely utilized models in deep learning studies, through discussing their basic structures, and reviewing diverse applications and disadvantages. We anticipate the work can serve as a meaningful perspective for further development of its theory, algorithm and application in bioinformatic and computational biology.

Highlights

  • Deep learning is the emerging generation of the artificial intelligence techniques, in machine learning

  • Since the multi-parameter setting in weights adds to the optimization burden, Recurrent Neural Network (RNN) usually performs worse than Convolutional Neural Network (CNN) in terms of fine-tuning

  • We comprehensively summarized the basic but essential concepts and methods in deep learning, together with its recent applications in diverse biomedical studies

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Summary

Frontiers in Genetics

Extracting inherent valuable knowledge from omics big data remains as a daunting problem in bioinformatics and computational biology. As an emerging branch from machine learning, has exhibited unprecedented performance in quite a few applications from academia and industry. We highlight the difference and similarity in widely utilized models in deep learning studies, through discussing their basic structures, and reviewing diverse applications and disadvantages. We anticipate the work can serve as a meaningful perspective for further development of its theory, algorithm and application in bioinformatic and computational biology

INTRODUCTION
Basic Structure of Neural Network
Activation and Loss Function
TYPICAL ALGORITHMS AND APPLICATIONS
Recurrent Neural Network
Convolutional Neural Network
Deep Belief Network
Transfer Learning in Deep Learning
CONCLUSIONS
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