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Learning to Classify Fine-Grained Categories with Privileged Visual-Semantic Misalignment
Ke Chen; Zhaoxiang Zhang
Source PublicationIEEE Transactions on Big Data
2016-08-25
VolumePPIssue:99Pages:2332-7790
AbstractImage categorisation is an active yet challenging research topic in computer vision, which is to classify the images according to their semantic content. Recently, fine-grained object categorisation has attracted wide attention and remains difficult due to feature inconsistency caused by smaller inter-class and larger intra-class variation as well as large varying poses. Most of the existing frameworks focused on exploiting a more discriminative imagery representation or developing a more robust classification framework to mitigate the suffering. The concern has recently been paid to discovering the dependency across fine-grained class labels based on Convolutional Neural Networks. Encouraged by the success of semantic label embedding to discover the fine-grained class labels’ correlation, this paper exploits the misalignment between visual feature space and semantic label embedding space and incorporates it as a privileged information into a cost-sensitive learning framework. Owing to capturing both the variation of imagery feature representation and also the label correlation in the semantic label embedding space, such a visual-semantic misalignment can be employed to reflect the importance of instances, which is more informative that conventional cost-sensitivities. Experiment results demonstrate the effectiveness of the proposed framework on public fine-grained benchmarks with achieving superior performance to state-of-the-arts.
KeywordFine-grained Categorisation Cost-sensitive Learning Deep Feature Visual-semantic Alignment Multiclass Classification
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/14033
Collection类脑智能研究中心
Corresponding AuthorZhaoxiang Zhang
Recommended Citation
GB/T 7714
Ke Chen,Zhaoxiang Zhang. Learning to Classify Fine-Grained Categories with Privileged Visual-Semantic Misalignment[J]. IEEE Transactions on Big Data,2016,PP(99):2332-7790.
APA Ke Chen,&Zhaoxiang Zhang.(2016).Learning to Classify Fine-Grained Categories with Privileged Visual-Semantic Misalignment.IEEE Transactions on Big Data,PP(99),2332-7790.
MLA Ke Chen,et al."Learning to Classify Fine-Grained Categories with Privileged Visual-Semantic Misalignment".IEEE Transactions on Big Data PP.99(2016):2332-7790.
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