Abstract
We describe the incremental computing method for making localized changes to a computer-generated hologram to rapidly modify the 3-D image it reconstructs. The method populates a scene with holo- graphic primitives, tracks scene-based changes, and updates the diffrac- tive contributions of only affected primitives. Changes are rapidly incor- porated into the hologram via simple arithmetic operations, and only affected regions of the hologram are updated at each simulation time step. The method can accommodate different holographic primitive rep- resentations, is designed to be suitable for hardware assistance, and is also compatible with computer-graphics-style techniques for smooth shading, texture mapping, and reflections. © 2003 Society of Photo-Optical In-
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