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Multi-local Collaborative AutoEncoder
Chu, Jielei1,2; Wang, Hongjun1,2; Liu, Jing3; Gong, Zhiguo4; Li, Tianrui1,2
2021-12-29
Source PublicationKnowledge-Based Systems
ISSN0950-7051
Volume239Pages:107844
Abstract

The excellent performance of representation learning of autoencoders have attracted considerable interest in various applications. However, the structure and multi-local collaborative relationships of unlabeled data are ignored in their encoding procedure that limits the capability of feature extraction. This paper presents a Multi-local Collaborative AutoEncoder (MC-AE), which consists of novel multi-local collaborative representation RBM (mcrRBM) and multi-local collaborative representation GRBM (mcrGRBM) models. Here, the Locality Sensitive Hashing (LSH) method is used to divide the input data into multi-local cross blocks which contains multi-local collaborative relationships of the unlabeled data and features since the similar multi-local instances and features of the input data are divided into the same block. In mcrRBM and mcrGRBM models, the structure and multi-local collaborative relationships of unlabeled data are integrated into their encoding procedure. Then, the local hidden features converges on the center of each local collaborative block. Under the collaborative joint influence of each local block, the proposed MC-AE has powerful capability of representation learning for unsupervised clustering. However, our MC-AE model perhaps perform training process for a long time on the large-scale and high-dimensional datasets because more local collaborative blocks are integrate into it. Five most related deep models are compared with our MC-AE. The experimental results show that the proposed MC-AE has more excellent capabilities of collaborative representation and generalization than the contrastive deep models.

KeywordAutoencoder Deep Collaborative Representation Feature Learning Restricted Boltzmann Machine Unsupervised Clustering
DOI10.1016/j.knosys.2021.107844
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science
WOS SubjectComputer Science, Artificial Intelligence
WOS IDWOS:000788704200012
PublisherElsevier B.V.
Scopus ID2-s2.0-85122258168
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Faculty of Science and Technology
Corresponding AuthorWang, Hongjun
Affiliation1.School of Computing and Artificial Intelligence, Southwest Jiaotong University, Chengdu, 611756, China
2.Institute of Artificial Intelligence, Southwest Jiaotong University, Chengdu, 611756, China
3.School of Business, Sichuan University, Chengdu, Sichuan, 610065, China
4.State Key Laboratory of Internet of Things for Smart City, Department of Computer and Information Science, University of Macau, Macau, China
Recommended Citation
GB/T 7714
Chu, Jielei,Wang, Hongjun,Liu, Jing,et al. Multi-local Collaborative AutoEncoder[J]. Knowledge-Based Systems, 2021, 239, 107844.
APA Chu, Jielei., Wang, Hongjun., Liu, Jing., Gong, Zhiguo., & Li, Tianrui (2021). Multi-local Collaborative AutoEncoder. Knowledge-Based Systems, 239, 107844.
MLA Chu, Jielei,et al."Multi-local Collaborative AutoEncoder".Knowledge-Based Systems 239(2021):107844.
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