Holographic projection is the use of interference and diffraction principles to record and reproduce the true three-dimensional image of an object. Simply speaking, it is a technique that can produce stereoscopic effects without wearing 3D glasses. The 3D animated film we often watch belongs to the polarized glasses method, commonly known as "pseudo 3D holographic projection".
Front-projected holographic display, also known as virtual imaging technology, is a technique for recording and reproducing real three-dimensional images of objects using the principles of interference and diffraction. Holographic projection technology not only produces stereoscopic aerial illusions, but also enables illusions to interact with performers and perform together to produce stunning performances.
Holographic projection range of product exhibitions, car and apparel conferences, stage programs, interactive, bar entertainment, interactive projection of venues, etc.
Holographic projection technology application range
From the use of holographic projection technology in the fashion show T-stage show, the beautiful holographic projection screen with the model walks the audience to another world, as if the audience experienced a virtual world of reality and reality. Then, in the use of holographic projection technology in the fantasy theater "Anime Master Norman", stage art and film fragments have an extraordinary fusion in the same space, showing the audience the latest innovations in the world of multimedia art. The service and sales industry is the most in need of masses, and it is king to maximize consumers. The use of holographic projection technology in this area brings people's attention to a new perspective, which evokes consumers' desire for consumption.
The holographic scene means that the spectator can see the illusion in the circle of the generator's mouth, that is, the holographic projection system suspends the three-dimensional image in the mid-air of the real image, creating an illusion and a true atmosphere, and the effect is peculiar. A sense of depth, true and false is difficult to argue. Stylish and beautiful, with a sense of technology; top transparent, true spatial imaging; bright colors, contrast, high definition; spatial sense, perspective, forming an air illusion; the middle can be combined with the real thing to achieve the combination of image and physical; Add touch screen to realize interaction with the audience; you can make four-sided windows according to requirements.
Principle of holographic projection technologyFront-projected holographic display, also known as virtual imaging technology, is a technique for recording and reproducing the recording and reproduction of a true three-dimensional image of an object using the principles of interference and diffraction.
The first step is to record the light wave information of the object by using the interference principle. This is the shooting process: the object forms a diffuse object beam under laser irradiation; the other part of the laser beam is used as a reference beam to the holographic film, and the object beam is superimposed. Interference is generated to convert the phase and amplitude of each point on the object's light wave into a spatially varying intensity, thereby recording all the information of the object light wave using the contrast and spacing between the interference fringes. After the film on which the interference fringes are recorded is subjected to processing procedures such as development and fixing, it becomes a hologram, or hologram.
Holographic projection shooting process
The second step is to use the principle of diffraction to reproduce the light wave information of the object. This is the imaging process: the hologram is like a complex grating. Under the coherent laser illumination, the diffracted light wave of a linearly recorded sinusoidal hologram can generally give two The image, the original image (also known as the initial image) and the conjugate image. The reproduced image has a strong stereoscopic effect and has a real visual effect. Each part of the hologram records the light information of each point on the object, so in principle, each part of it can reproduce the entire image of the original, and multiple different images can be recorded on the same film by multiple exposures. And they can be displayed separately without interference.
3D holographic projection derivative
Holographic phantom imaging system: holographic phantom imaging is divided into 180-degree imaging and 360-degree imaging, 180-degree suitable for single-sided display, generally used in the occasion of 3D imaging area with large holographic projection and increased imaging area, and It can realize interaction; 360-degree phantom imaging is a kind of mid-air imaging that suspends three-dimensional images in real scenes, creating an atmosphere of illusion and trueness. The effect is peculiar and has a strong sense of depth, which is difficult to distinguish between true and false. In the middle of the formation of the air illusion, the object can be combined to realize the combination of image and object. It can also be equipped with a touch screen to interact with the audience. 360-degree is suitable for displaying a single piece of valuables that viewers can view from any angle. It really presents 3D images. And according to the user's line of sight demand weight vision, we can create a 360-degree holographic phantom imaging stage for customers.
Holographic interactive display system: holographic interactive display system is the crystallization of nano-inductive touch film and scattering back-projection development technology. It is a novel and extraordinary display method. Visitors can interact with holographic display glass to give visitors a mysterious and The magical fantasy feels a modern and stylish way to interact with the presentation. Under the specific software production method, the holographic interactive display system can also provide special image effects floating on the glass, giving customers a strong visual impact. At the same time, this technology can realize touch selection on the projection screen with fingers or other natural objects, open interface, convert screen, information query, drag and other control functions.
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