What are the differences between VR, AR, MR, holographic projection, and naked eye 3D that we often hear about? Let us introduce and understand them separately.
What is VR in the first place?
VR is also called Virtual Reality (VR). Its characteristic is the use of computer imitation to create a fictional world in a three-dimensional space, which provides the imitators with visual, auditory, tactile and other sensory imitations, making them as ordinary as they are. In this fictional space, the user constitutes an instrument that interacts with the content of the fictional world.
There are many representative products of VR, such as: Oculus, Sony's PS VR, HTC's Vive and Samsung's Gear VR, and a simple version of VR equipment-Google's Cardboard.
What is AR?
AR is also called Augmented Reality (AR). It is a new technique for the "seamless" integration of real world information and fictional world information. It is a physical information (visual information, sound, flavor, Touch, etc.), through computer and other scientific techniques, imitate the simulation and then superimpose, apply the fictional information to the real world, be perceived by human senses, and reach beyond the actual sensory experience. In a nutshell, VR is a world full of fiction, and AR is a world half-real.
Today, the representative product in the AR field is undoubtedly Microsoft's HoloLens, in addition to Meta2, Daqri and so on. Because AR is more difficult than VR, AR's growth level is not as high as VR.
What is MR?
MR is also called Mixed Reality (MR for short), which includes strengthening reality and strengthening fiction, which refers to the new visualization situation that merges reality and fictional world. Physical and digital tools coexist and interact in real-time in new visualizations.
How to distinguish between AR and MR?
It is not difficult to distinguish between AR and VR. The hard part is how to distinguish between AR and MR. Conceptually, VR is a purely fictional digital picture, while AR is a fictional digital picture combined with naked eye reality, and MR is a digital reality plus a fictional digital picture. Of course, in many moments, people also use AR as a synonym for MR, and replace MR with AR.
In the MR field, no one is more prosperous than Magic Leap. Although the company has not announced any products so far, it has obtained a total of 1.4 billion US dollars in investment based on the announced several video images, which has a valuation of 45 A billion dollar unicorn company.
What is a holographic projection?
The technique of holographic projection, also called the virtual image formation technique, is a technique of recording and reproducing the actual three-dimensional image of the object by applying intervention and diffraction principles. The holographic projection technique can not only generate a flat ground illusion, but also enable the illusion to interact with the performer, realize the performance all the way, and produce a shocking performance result. The recognition of the holographic projection abstraction is "Jarvis" in "Iron Man".
Using holographic projection, we can realize that you can see real three-dimensional objects and spaces without wearing glasses or helmets. The original meaning of holography is to create a 3D fictional space in the real scene.
What is naked eye 3D?
The rough concept of naked eye 3D is to see the effect of 3D movies with naked eyes, just like we use 3D glasses to see the effect of 3D movies.
The difference between naked eye 3d and holographic projection is that the imaging reason is different, so the results displayed will also be different. Naked eye 3D uses grating theory to stop projection imaging, while holographic projection uses intervention and diffraction theory. Naked eye 3D has certain requirements for onlooking angles and intervals under current technical conditions, but holographic projection does not have this limitation.
The difference between naked eye 3D, holographic projection and VR, AR, MR
The difference between naked-eye 3D and holographic projection and VR, AR, and MR is important in today's spectator direction. The former two can indirectly watch without the aid of auxiliary equipment, while the results shown by VR, AR, and MR are necessary. With the aid of auxiliary equipment capabilities, we can achieve a smooth look.
In the future, virtual reality technology will develop into a new breakthrough that changes our lifestyle. The development of virtual reality technology in various fields in the world can be called a leap. In the teaching of our school, we can use it to create an "autonomous learning" environment in the future. Instead of the traditional "facilitating learning by teaching" learning method, learners gain knowledge and skills through their own interaction with the information environment. New learning methods, and look forward to this new technology can bring us a better way of life.
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