The press conference was openly faked, and NVIDIA fooled the whole world! Look at the legendary life of Huang Renxun.

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NVIDIA, a GPU giant, released a documentary at SIGGRAPH 202 1, the top conference of computer graphics held on August1,revealing "shocking secrets". It turns out that in the past three months, Huang Renxun, the founder and CEO of the company, did not attend every webcast product launch conference.

However, netizens clearly saw Master Huang himself standing in his kitchen for a press conference, and NVIDIA's engineer explained that even his kitchen was fake!

What the hell is going on here? It turns out that AI fooled the audience. What Huang Renxun people saw on the Internet was a digital twin version of Master Huang. The leather jacket he was wearing and his kitchen were also simulated by computer scientists through 3D simulation technology. I don't know if the netizens didn't look carefully, or the AI ? ? technology is too realistic?

If you want to confuse the real with the fake, you must have rich details. NVIDIA's documentary restored the whole production process of Digital Huang Renxun, in which the link that needs "Master Huang" is mainly at the front end. He has to take thousands of photos from all angles in a studio surrounded by a 360-degree camera. Through a set of 3D scans, he can take the integrated data of his whole person, even every wrinkle on his face and clothes need to be taken separately for scanning modeling. After that, all the processes, including action and facial expression rendering, only need to be handed over to computers and professional motion capture actors.

NVIDIA's powerful anti-counterfeiting ability surprised netizens, praising Master Huang's technology as "high and hard", and the powerful virtual collaboration platform Omniverse contributed greatly. Through the combination of NVIDIA's RTX ray tracing technology and virtual collaboration platform, artists can break the boundary between reality and virtuality.

This is the interconnected immersive virtual world called "Hyperuniverse". With the support of AR, VR and 3D technologies, the boundary between virtual and reality is gradually blurred, and it is difficult to distinguish between true and false.

In the "hyperuniverse" world, artists can create unique digital scenes, architects can create beautiful buildings, and engineers can design new home products. These creations can be brought into the physical world after the digital world is perfected. For example, through NVIDIA's digital twin technology, the robot AI can be directly deployed to the real environment after being trained in the virtual environment.

NVIDIA is "bringing millions of new users into the metauniverse". Richard Cai Qiufeng, vice president of Omniverse development platform, said: "Our virtual collaboration platform connects all the worlds by realizing the vision of metauniverse, thus promoting the revolutionary development of technology. From individuals to large enterprises, everyone can build a magical virtual world with the same appearance, perception and behavior as the real world. "

Based on the open source platform (USD) of American animation company Pixar, Omniverse collaboration and simulation platform enables large teams to use multiple software applications in 3D scenes. USD has become an industry open source standard foundation promoted by NVIDIA, Pixar and Apple. These enterprises bring more advanced physical functions to the platform, support 3D workflows of billions of computer devices, and provide support for artists and creators.

Jon Peddie, the founder of consulting firm Jon Peddie Research, said: "Many companies have been talking about the topic of hyperuniverse, but only a few companies can really realize it technically. NVIDIA's Omniverse platform has achieved real collaborative innovation in a virtual space for the first time, which may change almost all industries. "

How did you forge it?

Digital people must be rich in details if they want to confuse the real with the fake.

Because the human brain has a special system to identify the same kind, any mistake will remind you in a few milliseconds.

As a result, Lao Huang, who wanted to fake, obtained thousands of photos from all angles in the studio, and integrated the data from every wrinkle on his face through a set of 3D scans.

In order to make the effect more realistic, his cool leather coat had to be filmed alone.

Using the obtained data, the 3D model of Lao Huang is established. In order to facilitate post-editing, his hair should be polished first!

Specific to the details of the finger, you need to adjust it very carefully:

After the modeling is completed, the next step is to make Lao Huang move.

However, there is no need for time-consuming and laborious manual operation here, and AI is already competent.

Just like this, with the latest Audio2Face model, AI can automatically adjust the facial expression of the model with the playback of voice.

The action is ok, but the skin material still doesn't look good enough to compare with the effect at the press conference.

This requires another artificial intelligence, which uses the photos of old Huang Can to coordinate the action and synthesize them into the animation.

You don't have to collect your own body movements, find a professional motion capture actor. After all, the CEO's time must be limited.

In this way, all the preparations are completed, and the next step is rendering.

Look at this self-developed Omniverse RTX renderer:

This is true real-time ray tracing, and moving the viewing angle and adjusting the light are updated immediately.

NVIDIA didn't say how many graphics cards were used behind this. In short, only multiple GPU++and cloud computing can do it.

34 3D artists and 15 software researchers attended the virtual meeting.

They made 2 1 version of the number Lao Huang, chose the most similar one and made this wonderful press conference.

It really fooled the world.

The hyperuniverse is coming!

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