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Multi-View CNN Feature Aggregation with ELM Auto-Encoder for 3D Shape Recognition
Yang, Zhi-Xin; Tang, Lulu; Zhang, Kun; Wong, Pak Kin

Fast and accurate detection of 3D shapes is a fundamental task of robotic systems for intelligent tracking and automatic control. View-based 3D shape recognition has attracted increasing attention because human perceptions of 3D objects mainly rely on multiple 2D observations from different viewpoints. However, most existing multi-view-based cognitive computation methods use straightforward pairwise comparisons among the projected images then follow with weak aggregation mechanism, which results in heavy computation cost and low recognition accuracy. To address such problems, a novel network structure combining multi-view convolutional neural networks (M-CNNs), extreme learning machine auto-encoder (ELM-AE), and ELM classifer, named as MCEA, is proposed for comprehensive feature learning, effective feature aggregation, and efficient classification of 3D shapes. Such novel framework exploits the advantages of deep CNN architecture with the robust ELM-AE feature representation, as well as the fast ELM classifier for 3D model recognition. Compared with the existing set-to-set image comparison methods, the proposed shape-to-shape matching strategy could convert each high informative 3D model into a single compact feature descriptor via cognitive computation. Moreover, the proposed method runs much faster and obtains a good balance between classification accuracy and computational efficiency. Experimental results on the benchmarking Princeton ModelNet, ShapeNet Core 55, and PSB datasets show that the proposed framework achieves higher classification and retrieval accuracy in much shorter time than the state-of-the-art methods.

KeywordElm Auto-encoder Convolutional Neural Networks 3d Shape Recognition Multi-view Feature Aggregation
URLView the original
Indexed BySCI
WOS Research AreaComputer Science ; Neurosciences & Neurology
WOS SubjectComputer Science, Artificial Intelligence ; Neurosciences
WOS IDWOS:000453344800003
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Corresponding AuthorTang, Lulu
AffiliationUniv Macau, Fac Sci & Technol, Dept Electromech Engn, Macau, Peoples R China
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Yang, Zhi-Xin,Tang, Lulu,Zhang, Kun,et al. Multi-View CNN Feature Aggregation with ELM Auto-Encoder for 3D Shape Recognition[J]. COGNITIVE COMPUTATION,2018,10(6):908-921.
APA Yang, Zhi-Xin,Tang, Lulu,Zhang, Kun,&Wong, Pak Kin.(2018).Multi-View CNN Feature Aggregation with ELM Auto-Encoder for 3D Shape Recognition.COGNITIVE COMPUTATION,10(6),908-921.
MLA Yang, Zhi-Xin,et al."Multi-View CNN Feature Aggregation with ELM Auto-Encoder for 3D Shape Recognition".COGNITIVE COMPUTATION 10.6(2018):908-921.
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