Antiphase Stereo-Light Modulation for Time-Based Highlighted Region of Interest in Robotic Vision
Year: 2026
Type: conference-paper
Abstract: This paper describes an antiphase dual-source illumination approach that creates a hardware-defined Region of Interest (ROI) through temporal superposition: two laterally modulated light fields overlap to form a central zone with substantially reduced flicker. Electrical verification confirmed near-ideal antiphase modulation, and high-speed camera analysis showed that intensity peaks in one lateral zone align with troughs in the other, producing a markedly flatter temporal profile in the overlap region. Photometric measurements confirmed that stabilization does not come at the cost of dimming: ROI reached nearly double the mean illuminance of the lateral areas of the ROI. Together, these results validate the additive superposition model and show that antiphase lighting can produce a brighter, more temporally stable illumination region in a controlled static setup. These findings establish the photometric basis of the proposed method and motivate future applications in various robotic systems.
Institution: Nazarbayev University
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W7172431395