Color Contrast Enhanced Rendering for Optical See-through Head-mounted Displays
Yunjin Zhang, Rui Wang, Yifan (Evan) Peng, Wei Hua, Hujun Bao

TL;DR
This paper introduces a real-time color contrast enhancement method for optical see-through head-mounted displays, improving virtual object visibility and user experience by optimizing chromaticity and luminance contrast.
Contribution
It presents a novel end-to-end algorithm that formulates color contrast enhancement as a constrained optimization problem for OST-HMDs.
Findings
Enhanced virtual object distinguishability in simulated and real OST-HMD environments
Improved user perception and visual experience in mixed reality scenarios
Objective and subjective evaluations confirm effectiveness
Abstract
Most commercially available optical see-through head-mounted displays (OST-HMDs) utilize optical combiners to simultaneously visualize the physical background and virtual objects. The displayed images perceived by users are a blend of rendered pixels and background colors. Enabling high fidelity color perception in mixed reality (MR) scenarios using OST-HMDs is an important but challenging task. We propose a real-time rendering scheme to enhance the color contrast between virtual objects and the surrounding background for OST-HMDs. Inspired by the discovery of color perception in psychophysics, we first formulate the color contrast enhancement as a constrained optimization problem. We then design an end-to-end algorithm to search the optimal complementary shift in both chromaticity and luminance of the displayed color. This aims at enhancing the contrast between virtual objects and the…
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Taxonomy
TopicsAdvanced Optical Imaging Technologies · Visual perception and processing mechanisms · Image Enhancement Techniques
