At Display Week in Los Angeles, Facebook revealed why its researchers and engineers are developing zoom VR heads.
In the past few years, Facebook's Reality Labs researchers have developed a series of prototypes designed to address a fundamental problem faced by current VR headset design.
This work was first shown as a prototype of the Half Dome at Facebook's developer conference, and how and why Facebook designed this system with a mobile display.
The mobile display can match the position of your eyeballs and may help resolve focus conflicts that plague VR heads. In the VR headset, the lens keeps your eyes away from the focus. When an object appears nearby, there is a conflict between the head-focused lens and the position in nature that you want to focus on. This may cause eye fatigue.
When you look at a near object, the vergence (eye rotation) and adjustment (deformation of the eye lens) move together. When your lens is distorted to focus on a nearby virtual object, it focuses attention away from the fixed focus of the HMD.
According to Lanman, studying various displays to solve this problem is a "difficult engineering challenge."
“The zoom display has proved to be beneficial in terms of the visual clarity of nearby objects,†Lanman said.
The Half Dome helps to naturally focus your eyes on the near field through the zoom display, making the interactive VR experience look more detailed.
The 18.1 million-pixel display developed by LG and Google shows that the head-first display will be difficult to distinguish between real and virtual. This is demonstrated by the recent introduction of an ultra-high resolution display optimized for VR. All in all, this work clearly shows that the world's largest technology companies are still committed to developing better VR headsets.
"Using AR / VR, I believe this is a unique opportunity for an immersive experience where you can see a wide field of vision, intimate objects and interactions," Lanman said. "I expect AR / AR will develop unlimited script to achieve unlimited canvas."
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