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3DPro: Querying Complex Three-Dimensional Data with Progressive Compression and Refinement.

Dejun Teng1, Yanhui Liang2, Furqan Baig1

  • 1Stony Brook University.

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|October 12, 2022
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Summary
This summary is machine-generated.

3DPro efficiently handles complex 3D spatial data using progressive compression and a novel Filter-Progressive-Refine approach. This system significantly speeds up spatial queries for large-scale 3D objects, outperforming existing methods.

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Area of Science:

  • Computer Science
  • Geographic Information Systems
  • Data Management

Background:

  • Large-scale 3D spatial data is crucial for applications like self-driving and mineral exploration.
  • High-resolution polygonal models present challenges in 3D data management and spatial querying due to massive data volumes and complex computations.
  • Traditional Filter-Refine methods prioritize indexing-based filtering and neglect the computationally intensive refinement step.

Purpose of the Study:

  • Introduce 3DPro, a system designed for efficient spatial queries on complex 3D objects.
  • Address the limitations of traditional spatial querying methods for large-scale 3D datasets.
  • Improve the performance of 3D data management and spatial analysis.

Main Methods:

  • Implemented progressive compression for 3D objects, preserving multiple levels of detail.
  • Developed a novel Filter-Progressive-Refine paradigm for query processing.
  • Optimized data size to fit into memory, reducing decompression and geometric computation overhead.

Main Results:

  • 3DPro significantly reduces the size of 3D objects, enabling in-memory processing.
  • The Filter-Progressive-Refine paradigm allows for early return of query results.
  • Experimental results show 3DPro outperforms state-of-the-art 3D data processing techniques by up to an order of magnitude.

Conclusions:

  • 3DPro offers a highly efficient solution for spatial queries on complex 3D objects.
  • The system's approach effectively manages large-scale 3D data and reduces query processing costs.
  • 3DPro represents a significant advancement in 3D data management and spatial analysis.