Learning Hierarchical Representations with Spike-and-Slab Inception Network

Recently, deep convolutional neural networks (CNN) with inception modules have attracted much attention due to their excellent performances on diverse domains. Nevertheless, the basic CNN can only capture a univariate feature, which is essentially linear. It leads to a weak ability in feature expres...

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Main Authors: Weizheng Qiao, Xiaojun Bi
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/21/19/6382
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author Weizheng Qiao
Xiaojun Bi
author_facet Weizheng Qiao
Xiaojun Bi
author_sort Weizheng Qiao
collection DOAJ
description Recently, deep convolutional neural networks (CNN) with inception modules have attracted much attention due to their excellent performances on diverse domains. Nevertheless, the basic CNN can only capture a univariate feature, which is essentially linear. It leads to a weak ability in feature expression, further resulting in insufficient feature mining. In view of this issue, researchers incessantly deepened the network, bringing parameter redundancy and model over-fitting. Hence, whether we can employ this efficient deep neural network architecture to improve CNN and enhance the capacity of image recognition task still remains unknown. In this paper, we introduce spike-and-slab units to the modified inception module, enabling our model to capture dual latent variables and the average and covariance information. This operation further enhances the robustness of our model to variations of image intensity without increasing the model parameters. The results of several tasks demonstrated that dual variable operations can be well-integrated into inception modules, and excellent results have been achieved.
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spelling doaj.art-d153a4e82661450b8eb04f149a8a884a2023-11-22T16:45:21ZengMDPI AGSensors1424-82202021-09-012119638210.3390/s21196382Learning Hierarchical Representations with Spike-and-Slab Inception NetworkWeizheng Qiao0Xiaojun Bi1College of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, ChinaCollege of Information Engineering, Minzu University of China, Beijing 100091, ChinaRecently, deep convolutional neural networks (CNN) with inception modules have attracted much attention due to their excellent performances on diverse domains. Nevertheless, the basic CNN can only capture a univariate feature, which is essentially linear. It leads to a weak ability in feature expression, further resulting in insufficient feature mining. In view of this issue, researchers incessantly deepened the network, bringing parameter redundancy and model over-fitting. Hence, whether we can employ this efficient deep neural network architecture to improve CNN and enhance the capacity of image recognition task still remains unknown. In this paper, we introduce spike-and-slab units to the modified inception module, enabling our model to capture dual latent variables and the average and covariance information. This operation further enhances the robustness of our model to variations of image intensity without increasing the model parameters. The results of several tasks demonstrated that dual variable operations can be well-integrated into inception modules, and excellent results have been achieved.https://www.mdpi.com/1424-8220/21/19/6382convolutional neural networksinception modulespike-and-slab unitsdual variable operations
spellingShingle Weizheng Qiao
Xiaojun Bi
Learning Hierarchical Representations with Spike-and-Slab Inception Network
Sensors
convolutional neural networks
inception module
spike-and-slab units
dual variable operations
title Learning Hierarchical Representations with Spike-and-Slab Inception Network
title_full Learning Hierarchical Representations with Spike-and-Slab Inception Network
title_fullStr Learning Hierarchical Representations with Spike-and-Slab Inception Network
title_full_unstemmed Learning Hierarchical Representations with Spike-and-Slab Inception Network
title_short Learning Hierarchical Representations with Spike-and-Slab Inception Network
title_sort learning hierarchical representations with spike and slab inception network
topic convolutional neural networks
inception module
spike-and-slab units
dual variable operations
url https://www.mdpi.com/1424-8220/21/19/6382
work_keys_str_mv AT weizhengqiao learninghierarchicalrepresentationswithspikeandslabinceptionnetwork
AT xiaojunbi learninghierarchicalrepresentationswithspikeandslabinceptionnetwork