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Mirror Arrays Make Augmented Reality More Realistic

By IEEE Spectrum

April 13, 2020

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Researchers at Stanford University have developed a compact augmented reality (AR) system that uses an array of miniature mirrors to create virtual images that appear more "solid" in front of real-world objects.

The miniature mirrors in Stanford's system change positions tens of thousands of times per second, enhancing the system's occlusion.

The system combines virtual projection and light-blocking abilities into one element, relying the dense array of miniature mirrors to switch between a see-through state and a reflective state. It computes the optimal arrangement for the mirrors and adjusts accordingly.

Stanford’s Brooke Krajancich said the system uses a lot of computing power, and may require more power than other AR systems.

From IEEE Spectrum
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