1. Introduction
| Journal: | IEEE Transactions on Visualization and Computer Graphics |
|---|---|
| Author: | Chenhui Li, George Baciu, Yunzhe Wang, Junjie Chen, and Changbo Wang |
| Year: | 2021 |
| ISBNs, DOls, PMIDs, or arXiv IDs： | DOI: 10.1109/TVCG.2021.3114762 |
| Cite: | C. Li, G. Baciu, Y. Wang, J. Chen and C. Wang, “DDLVis: Real-time Visual Query of Spatiotemporal Data Distribution via Density Dictionary Learning,” in IEEE Transactions on Visualization and Computer Graphics, vol. 28, no. 1, pp. 1062-1072, Jan. 2022, doi: 10.1109/TVCG.2021.3114762. |
| Reportor: | 廖集秀 |
| Attachment: |
2. Figures
3. Summary
使用PKDE得到密度图后，通过密度字典学习压缩为稀疏代码，从而实现高效率低内存的时空数据分布的可视化实时查询系统。
4. Main Points
- 一种基于基于峰值的聚类可变核密度估计方法PKDE
- 一种将字典学习应用于时间密度图的学习方法
- 一个融合多种交互方式的时空数据分布查询系统
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