[Audio Network Information] It is reported that Yoichi Ochiai of the University of Tokyo in Japan has made the world's thinnest soap bubble projection screen, which can display vivid and vivid two-dimensional images, 3D effects and even holographic projections. .
Compared to traditional opaque screens, the new screens are more appealing. This kind of screen can use the ultrasonic waves generated by the horn to change the "texture" of the bubble surface, resulting in different effects. With a separate projector, you can image and change the image to make it smoother or rougher.
A 3D effect can be produced by using two or more bubble overlays with different transparency. In addition, because the bubble is strong, it is not afraid of being broken, so the user can interact with it.
According to the designer, this kind of screen is good for artists to display more vivid images. On a transparent screen, the object image appears to be independent of the air, which will make the viewer more interested in enjoying the picture.
What is holography?
Holographic technology is actually the recording and reproduction of real three-dimensional images. The problem of recording was conquered as early as 1947. The holographic projection is the reverse of this process.
The general three-dimensional image only realizes the three-dimensional feeling of the human eye through composition and color shading on a two-dimensional plane, and the hologram generated by holographic stereo photography contains information such as the size, shape, brightness and contrast of the recorded object. Provide "parallax." Observers can observe different images of the image by moving back, forth, left and right and up and down - just as there is a real object there.
At present, there are many ways to realize holography. The projection beam is placed on a water vapor, a high-speed rotating lens, or a dedicated holographic projection film through a special film source and an ordinary projector. At present, the most common way is to use holographic projection film, and the biggest drawback of this method is the high cost, and the holographic projection film is expensive.
Compared to traditional opaque screens, the new screens are more appealing. This kind of screen can use the ultrasonic waves generated by the horn to change the "texture" of the bubble surface, resulting in different effects. With a separate projector, you can image and change the image to make it smoother or rougher.
A 3D effect can be produced by using two or more bubble overlays with different transparency. In addition, because the bubble is strong, it is not afraid of being broken, so the user can interact with it.
According to the designer, this kind of screen is good for artists to display more vivid images. On a transparent screen, the object image appears to be independent of the air, which will make the viewer more interested in enjoying the picture.
What is holography?
Holographic technology is actually the recording and reproduction of real three-dimensional images. The problem of recording was conquered as early as 1947. The holographic projection is the reverse of this process.
The general three-dimensional image only realizes the three-dimensional feeling of the human eye through composition and color shading on a two-dimensional plane, and the hologram generated by holographic stereo photography contains information such as the size, shape, brightness and contrast of the recorded object. Provide "parallax." Observers can observe different images of the image by moving back, forth, left and right and up and down - just as there is a real object there.
At present, there are many ways to realize holography. The projection beam is placed on a water vapor, a high-speed rotating lens, or a dedicated holographic projection film through a special film source and an ordinary projector. At present, the most common way is to use holographic projection film, and the biggest drawback of this method is the high cost, and the holographic projection film is expensive.
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