| Status | 已發表Published |
| BoSCC: Bag of Spatial Context Correlations for Spatially Enhanced 3D Shape Representation | |
Han, Z.H.; Liu, Z.B.; Vong, C. M.; Liu, Y.S. ; Bu, S.H.; Han, J.W.; Chen, C. L.
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| 2017-05-01 | |
| Source Publication | IEEE Transactions on Image Processing (SCI-E)
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| ISSN | 1057-7149 |
| Pages | 3707-3720 |
| Abstract | Highly discriminative 3D shape representations can be formed by encoding spatial information into the Bag of Words (BoW) method. To achieve this challenging task, several unresolved issues in the encoding procedure must be overcome, including i) arbitrary mesh resolution, ii) irregular vertex topology, iii) invariance to rigid and non-rigid shape transformations. In this work, a novel spatially enhanced 3D shape representation called Bag of Spatial Context Correlations (BoSCC) is proposed to address all these issues. Adopting a novel local perspective, BoSCC is able to describe a 3D shape by an occurrence frequency histogram of spatial context correlation patterns, which makes BoSCC become more compact and discriminative than other global perspective based methods. Specifically, the spatial context correlation is proposed to simultaneously encode the geometry and spatial information of a 3D local region by the correlation among spatial contexts of vertices in that region, which effectively resolves the aforementioned three issues. The spatial context of each vertex is modelled by Markov chains in a multi-scale manner. The high discriminability and compactness of BoSCC is effective for classification and retrieval, especially in the scenarios of limited samples and partial shape retrieval. Experimental results show that BoSCC is outperforming the state-of-the-art spatially enhanced BoWmethods in three common aspects: global shape retrieval, shape classification, and partial shape retrieval. |
| Keyword | Bag of spatial context correlations Spatial context correlation Spatial context 3D shape representations. |
| URL | View the original |
| Language | 英語English |
| The Source to Article | PB_Publication |
| PUB ID | 28932 |
| Document Type | Journal article |
| Collection | DEPARTMENT OF COMPUTER AND INFORMATION SCIENCE |
| Corresponding Author | Liu, Y.S. |
| Recommended Citation GB/T 7714 | Han, Z.H.,Liu, Z.B.,Vong, C. M.,et al. BoSCC: Bag of Spatial Context Correlations for Spatially Enhanced 3D Shape Representation[J]. IEEE Transactions on Image Processing (SCI-E), 2017, 3707-3720. |
| APA | Han, Z.H.., Liu, Z.B.., Vong, C. M.., Liu, Y.S.., Bu, S.H.., Han, J.W.., & Chen, C. L. (2017). BoSCC: Bag of Spatial Context Correlations for Spatially Enhanced 3D Shape Representation. IEEE Transactions on Image Processing (SCI-E), 3707-3720. |
| MLA | Han, Z.H.,et al."BoSCC: Bag of Spatial Context Correlations for Spatially Enhanced 3D Shape Representation".IEEE Transactions on Image Processing (SCI-E) (2017):3707-3720. |
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