更新時間：2021-11-30
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息投影和都是一種虛擬成像技術(shù)，兩者有聯(lián)系也有區(qū)別，可以說技術(shù)是全息投影技術(shù)的一個部分，270度幻影成像、360度幻影成像都是全息投影，全息技術(shù)是可以從不同的角度上都可以看見立體的虛擬影像，而通過斜置45度的玻璃來反射底部或頂部的影像，兩者觀看都不需要佩戴3D眼鏡。下面請看詳細的介紹。
Information projection and are both virtual imaging technologies, which are related and different. It can be said that technology is a part of holographic projection technology. 270 degree phantom imaging and 360 degree phantom imaging are holographic projection. Holographic technology can see three-dimensional virtual images from different angles, and reflect the images at the bottom or top by tilting 45 degree glass, 3D glasses are not required for both viewing. Please see the detailed introduction below.
1、從原理上看區(qū)別
1. In principle, the difference
是實景造型和虛擬影像的光學(xué)成像相結(jié)合形成的虛擬成像系統(tǒng)，是將需要指定拍攝的影像、人或物投射到主體模型的景觀中去，演示事件的發(fā)展變化過程。
It is a virtual imaging system formed by the combination of real scene modeling and optical imaging of virtual images. It projects the images, people or objects to be shot into the landscape of the main model to demonstrate the development and change process of events.
全息投影是利用干涉和衍射原理記錄并再現(xiàn)物體真實的三維圖像的技術(shù)，無需佩戴3D眼鏡就可以體驗到立體的現(xiàn)場效果的一種技，還能使虛擬影像與表演者產(chǎn)生互動，帶來很好的體驗。
Holographic projection is a technology that uses the principles of interference and diffraction to record and reproduce the real three-dimensional image of the object. It can experience the three-dimensional field effect without wearing 3D glasses. It can also make the virtual image interact with the performer and bring a good experience.
2、從結(jié)構(gòu)上看區(qū)別
2. Differences in structure
系統(tǒng)是以銀幕環(huán)境、布景模型、背景燈光變換為背景，把拍攝的活動人像添加進場景中，形成動靜結(jié)合、靈活多變的影視畫面，幻影成像系統(tǒng)主要包括：立體模型、燈光系統(tǒng)、成像系統(tǒng)、數(shù)字內(nèi)容播放系統(tǒng)、主機中控系統(tǒng)、影像系統(tǒng)等系統(tǒng)組成。
The system takes the screen environment, set model and background light transformation as the background, adds the photographed moving portrait to the scene, and forms a dynamic and static, flexible and changeable film and television picture. The phantom imaging system mainly includes: three-dimensional model, lighting system, imaging system, digital content playback system, host central control system, imaging system and other systems.
全息投影結(jié)構(gòu)也并不復(fù)雜，主要有：投影機、中控主機、燈光、反光鏡、投影幕等硬件構(gòu)成，結(jié)合數(shù)字影片，就可以達到立體式的展示效果。全息投影技術(shù)分為三種空氣投影和交互技術(shù)、激光束技術(shù)、360度全系顯示。
The holographic projection structure is not complex, mainly including hardware components such as projector, central control host, light, reflector and projection screen. Combined with digital films, it can achieve three-dimensional display effect. Holographic projection technology is divided into three types: air projection and interaction technology, laser beam technology and 360 degree full system display.
3、從應(yīng)用上看區(qū)別
3. Differences in application
是演示故事發(fā)展的一種展示方式，被應(yīng)用于紀念館、圖書館、博物館、科技館、城市規(guī)劃館、娛樂廳、展覽會、博覽會等展覽展會。
It is a way of demonstrating the development of stories. It is used in memorials, libraries, museums, science and technology museums, urban planning museums, entertainment halls, exhibitions, Expos and other exhibitions.
全息投影借助于實景能夠成像與半空中的三維景象相互融合，效果奇幻，科技感十足，應(yīng)用于娛樂演出、T臺秀、電影、展會展館、銷售等多個行業(yè)。
With the help of the real scene, holographic projection can integrate the imaging with the three-dimensional scene in the air, with fantastic effect and full sense of science and technology. It is applied to entertainment performance, T-stage show, film, exhibition hall, sales and other industries.
4、從優(yōu)勢上看區(qū)別
4. Differences in terms of advantages
成像幅度大，寬能達到4米，不管是什么樣的產(chǎn)品展示都適用，展現(xiàn)出來的效果相當震撼，只需要一個小小的空間就能夠的展示，因此在各個場所都能夠見到幻影成像產(chǎn)品的演示。
The imaging range is large, and the width can reach 4m. No matter what kind of product display is applicable, the displayed effect is quite shocking. It can be perfectly displayed in only a small space. Therefore, the demonstration of phantom imaging products can be seen in all places.
全息投影技術(shù)投影出來的畫面立體感很強，清晰度高，色彩鮮明，可以讓人沉浸在虛擬印象中，不受場合的限制，可以支持多角度全息投影，通過新穎的方式展現(xiàn)出來。
The picture projected by holographic projection technology has strong three-dimensional sense, high definition and bright color. It can immerse people in virtual impression. It is not limited by occasions. It can support multi angle holographic projection and show it in a novel way.
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