The camera offset space: real-time potentially visible set computations for streaming rendering

Jozef Hladký, Hans-Peter Seidel, Markus Steinberger

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Potential visibility has historically always been of importance when rendering performance was insufficient. With the rise of virtual reality, rendering power may once again be insufficient, eg, for integrated graphics of head-mounted displays. To tackle the issue of efficient potential visibility computations on modern graphics hardware, we introduce the camera offset space (COS). Opposite to how traditional visibility computations work---where one determines which pixels are covered by an object under all potential viewpoints---the COS describes under which camera movement a sample location is covered by a triangle. In this way, the COS opens up a new set of possibilities for visibility computations. By evaluating the pairwise relations of triangles in the COS, we show how to efficiently determine occluded triangles. Constructing the COS for all pixels of a rendered view leads to a complete potentially visible set (PVS …
Original languageEnglish
Article number231
Number of pages14
JournalACM Transactions on Graphics
Volume28
Issue number6
DOIs
Publication statusPublished - 2019

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