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Digital & Smart Technologies

Vioso and Lumen & Forge partner on huge dome projection project for 2020 Super Bowl

Izzy KingtonBy Izzy Kington22nd May 20204 Mins Read
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The Super Bowl is the culmination of the American NFL season, watched by hundreds of millions of viewers worldwide. This year’s event was held at the Hard Rock Stadium in Miami Gardens, Florida, on 2 February 2020.

System design consultant Lumen & Forge was chosen by Broadwell Airdomes USA, on behalf of show organiser AG Entertainment, to help create an unforgettable experience for the more than 60,000 people in attendance. With the assistance of German projection specialist Vioso, Lumen & Forge installed an immense dome measuring 68.58m wide by 53m high (225ft by 175ft). The companies believe the resulting projection is the largest ever made inside this kind of structure.

While many industry standard projection domes have a hemispherical shape, the one implemented for this project had an oval or ‘pill’ shape. Created by Broadwell Airdomes USA, the colossal size of the structure was needed because the dome was to be used for concerts and parties. The pill shape enabled a higher capacity, while creating optimal placement for the 24 digital projection M-Vision laser 18K projectors installed inside, used to project the content on the inside without any interference or view restriction.

While advantageous from a capacity perspective, the dome’s shape had major bearings on both camera calibration and content creation. To combat this, projection specialist Vioso was asked to provide a highly advanced calibration rack, which included Lumen & Forge’s own Vioso Domemaster server, six Datapath Fx4 display controllers, as well as a 7m (23ft)-high tripod for the calibration camera.

“While Domemaster is the most common format for traditional 180° and 360° video creation realms, this dome was out of that specification because of its pill shape,” said Misha Fradin, managing partner at Lumen & Forge. “The content created in that format would have been distorted when projected, and it would have ruined the experience for visitors.”

After designing the dome in a 3D space, the teams were able to develop content that was placed into VR for testing. Using this method, the 16×9 content was modified to perfectly fit the shape of the dome, altering the calibrations to fit the lens of the camera.

“We couldn’t just elongate the image to create an oval, as that would have put too much stress on the sides and the content would have appeared warped,” said Fradin. “Typically, the hemispherical dome shape is perfectly fit to the shape of the camera lens. But, since there is no such thing as an oval-shaped lens, we had to make the view work for us. The calibration achieved by Vioso was performed live from the view of the circular lens, and in order to fit the oval shape of the dome, we used the map from the 3D rendering of the dome. This hybrid combination of real and virtual made it possible to achieve a perfect image.”

Vioso has used its Domemaster server in the past for both the calibration and playback inside a dome. Since this installation was used for concerts and events, traditional media and videos wouldn’t have sufficed. Instead, the Lumen & Forge Domemaster server was used with Vioso’s Blackbox software to perform the calibration. Playback was then fed by a separate server and captured by the Domemaster with two 4K inputs, before being mapped inside the dome.

The teams only had two months to design the projection study and specify the technical aspects, and by the set-up time in late January 2020, the construction of the dome was already ongoing and time was not on the team’s side. This meant that the team’s first opportunity to operate the calibration was a mere three days before opening. It could also only take place at night, as the field operations team was still completing the dome’s construction.

“Every evening, the dome was about one or two metres larger, making our calibration from the previous evening unusable,” said Kevin A. Zevchik, director of Vioso America. “We were there every night right up until the opening night, calibrating and altering the projection as it was getting built.”

The teams had one night for the final calibration, in which the size, scope and shape of the dome would again need to be reconsidered. “It was only by working closely with our exclusive auto-calibration partners at Vioso that we overcame the issues and had a major success in both the quality of calibration and warping of the image for the opening night,” said Fradin. “We have worked with Vioso since the beginning of our company, so we have forged a strong and long-lasting relationship over the years, utilising their impressive simulation and projection mapping expertise. We look forward to collaborating with them again in the future.”

Pictures: Lumen & Forge / VIOSO America

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Izzy Kington

Izzy became editor of Auditoria magazine in 2018, having previously served as assistant editor on the title earlier in her career. She is also the editor of Business Jet Interiors International and Railway Interiors International. Over the course of a decade as a business-to-business magazine editor, Izzy has covered everything from airline catering to car safety technologies, autonomous vehicles and business aviation airports. Outside of work, Izzy loves watercolour painting, live music and travel.

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