How can LED digital virtual studio make film shooting easier?

In the film and television industry, there has always been a question: does green screen shooting make shooting more difficult or simpler? The existence of green screen is to restore the real scene in the later stage. During shooting, actors usually perform "no physical performance", which is a great test of the self-cultivation of actors. Is there any other way to restore the real scene in addition to green screen?

LED digital virtual studio is an emerging application that has attracted much attention at home and abroad in recent years. It integrates the LED screen, virtual camera system and real-time rendering system with the latest display technology, resulting in amazing professional video shooting effects. Especially in the current film and television shooting, studio and other scenes, LED digital virtual studio has played a very important role, The realistic display, 3D visual effect and immersive experience make people sigh.

That's the problem

What is "virtual 3D Studio"?

Hollywood blockbusters such as iron man, fantasy forest and the Avengers, which we are familiar with, have exciting and thrilling pictures. In fact, they all use virtual shooting technology to create a real response of "what you see is what you get" for the audience in front of the TV.

Take the first 5g immersive multi place cross screen interview created by Xinhua News Agency on the eve of the two sessions of this year as an example. It uses 5g, cave and MR technology to communicate with representatives and members in a full live and real cross screen way. The application of this technology even calls national idol Zhang Boli novel.

This is virtual filming? What are its technical principles and advantages? The principle of virtual studio is to surround the shooting site with multiple screens. The 3D scene generated by computer is projected onto the screen and combined with the activities of live actors, so as to create a real-time scene with realistic picture and strong three-dimensional sense. Compared with the traditional green screen, the LED giant screen has high cost performance. No matter day or night, wind and rain, snow and thunder, one second switching can meet the needs of any scene. This revolutionary production method can directly replace the traditional green screen special effect method. Therefore, the emergence of virtual studios is like injecting fresh blood into the production of the film and television industry. It not only improves the overall efficiency, saves costs, but also optimizes the presentation effect. It has become the first choice for the production technology scheme of contemporary filmmakers and the "upstart" in the film and television industry.

What's special about the lamp beads in the virtual studio? At this stage, the market blue ocean of virtual studios has been formed. With the increase of market demand, the demand of virtual studios is more stringent than that of conventional indoor display screens. It not only requires clear display with high contrast and high color reduction, but also has high requirements for large angle display effect, consistency and anti moire interference in order to facilitate the camera to shoot from different angles.

1. The flatness of the rubber surface is high, and the effective viewing angle can reach more than 170 °; 2. High end epoxy resin is adopted, and the dispensing process is strictly controlled. The finished product has the characteristics of high blackness, high contrast, high dumb brightness and high appearance consistency. It can completely eliminate the ambient light pollution in the shooting process and make the display clearer; 3. The large-size indoor chip is adopted, and the chip has been sorted once when leaving the factory, which can fully meet the requirements of 1500nit brightness and rec.709 color gamut of the whole screen, and the lighting effect and color of the screen are more real; 4. The top structure packaging can not only effectively prevent light leakage, but also the cup structure can protect the internal epoxy resin, and the reliability and anti-collision ability of the finished product are also better; 5. Support P1 9 to P3 0 point spacing, supporting high refresh rate, which can fully meet the needs of indoor shooting.

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