Conservative sampling of solids in image space

Yuen Shan Leung, Charlie C.L. Wang

Research output: Contribution to journalArticlepeer-review


Conservative sampling samples boundary-representation (B-rep) solid models into layered depth images (LDIs). The resulting models have a closed boundary and are guaranteed to bound the input B-rep models on the rays of LDIs. This approach can be fully implemented by shader programs supported by various graphics hardware. Experimental results demonstrate this approach's efficiency; applications of it to evaluating intersecting volumes and computing Minkowski sums show its versatility.

Original languageEnglish
Article number6415478
Pages (from-to)32-43
Number of pages12
JournalIEEE Computer Graphics and Applications
Issue number1
Publication statusPublished - 31 Jan 2013


  • computer graphics
  • GPU
  • image space
  • layered depth images
  • sampling
  • solid model


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