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Designing perspectively correct multiplanar displays.

Pawan Harish1, P J Narayanan

  • 1Center for Visual Information Technology, International Institute of Information Technology, Gachibowli, Hyderabad, Andhra Pradesh 500032, India. harishpk@research.iiit.ac.in

IEEE Transactions on Visualization and Computer Graphics
|June 13, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces a novel system for designing and rendering to multiplanar displays of arbitrary shapes. The system enables high-quality, interactive 3D rendering for immersive, view-dependent experiences on non-flat screens.

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Area of Science:

  • Computer Graphics
  • Display Technology
  • Human-Computer Interaction

Background:

  • Current displays are predominantly flat and passive, limiting immersive experiences.
  • Integrating displays seamlessly with natural surroundings requires non-planar form factors.
  • Existing rendering techniques struggle with complex, multiplanar display geometries.

Purpose of the Study:

  • To present a system for designing, rendering to, and building view-dependent multiplanar displays of arbitrary piecewise-planar shapes.
  • To enable high-quality, interactive rendering of 3D environments to head-tracked viewers on these novel displays.
  • To demonstrate the system's scalability and performance across various display configurations.

Main Methods:

  • A novel rendering scheme producing exact image and depth maps per facet, ensuring artifact-free visuals across boundaries.
  • A single-pass rasterization approach using parallel, view-dependent binning and prewarping of scene triangles for scalability.
  • Driving displays with target quilt images, packing facet pixels efficiently.
  • Implementation on commodity Graphics Processing Units (GPUs).

Main Results:

  • Demonstrated artifact-free image and depth map generation on multiplanar displays.
  • Achieved scalable rendering for a large number of display facets in a single pass.
  • Successfully rendered dynamic scenes interactively at high resolutions on various prototype displays (cubes, spherical, cylindrical).
  • Validated performance in rendering quality and speed with increasing scene and display sizes.

Conclusions:

  • The developed system efficiently supports the design, rendering, and construction of arbitrary multiplanar displays.
  • It offers high-quality, interactive, and artifact-free rendering for immersive experiences on non-flat displays.
  • Prototype displays and user studies confirm the system's scalability, performance, and potential for enhanced user experiences.