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MPC Leads the Digital Human Race with ‘Blade Runner 2049’ Breakthrough

Blade Runner 2049

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MPC Leads the Digital Human Race with ‘Blade Runner 2049’ Breakthrough

Replicating Rachael for Blade Runner 2049 was both a huge honor for MPC as well as an exciting technical and creative challenge. The team lead by VFX Supervisor Richard Clegg worked closely with director Denis Villeneuve and Production VFX Supervisor John Nelson.

One of the major challenges was how to approach the CG sculpt of Rachael’s head. Blade Runner was filmed more than 30 years ago and so Sean Young, the actress who played Rachael in the original movie, was younger at the time with different features.

MPC’s team started off with a detailed present-day scan of Sean Young’s head, captured on a Light Stage using the DI4D PRO Facial Capture System. This scan was used as a reference for MPC’s artists to hand model an anatomically accurate 3D skull. The skull is something that changes very little over time, so it was a good foundation for MPC to build their 20-year-old digital Rachael from. The digital sculpt gave the team a clear idea of the proportions of her head including the bridge of nose, cheekbones and jawline.

With the CG skull accurately recreated, it was lined it up against scenes from the original 1982 movie. The available footage of Rachael wasn’t always ideal, due to the dark and contrast-y lighting with a shallow depth of field that regularly put her in soft focus so a great deal of guess work was required. MPC’s 3D modeling artists then spent many hours sculpting the rest of the head over these images until they had created an identical match.

With the head sculpt completed, the character’s hair and color textures were worked on. The hair was styled using MPC’s proprietary groom software Furtility, built by MPC’s R&D team. The Furtility tool was used to match Rachael’s hair, eyebrows and eyelashes from her opening scene in Blade Runner.

To test they had accomplished a perfect likeness, MPC decided to recreate three shots from the original movie using their digital character. The CG head was then composited and reanimated over the top of the real footage. “We invited the filmmakers to see if they were able identify the digital double from the real actress,” says Clegg. “We knew we were on the right track as this proved difficult to do!”

For Blade Runner 2049, a body double acted out the performance with Harrison Ford (reprising Rick Deckard), and MPC’s job was to replace the head with their photo real CG head. Multiple witness cameras were set up to shoot each take and used to get precise Roto-Animation of the body double as well as track the animated stage lighting.

During the shoot, MPC’s onset team also captured videogrammetry of the performance using Dimensional Imaging’s DI4D capture rig. They captured Sean Young and the body double, who both, directed by Denis, reenacted the performance for every shot. At the same time, they also took MPC’s FACS capture kit to capture an array of facial poses and expressions.

When it came to animating the shots, the videogrammetry data served as a valuable reference, however the character’s entire performance was hand animated by MPC’s artists. This animation technique gave the animators more flexibility and the director more control. Hundreds of facial shapes were built, all modeled against footage of Sean Young to maintain the likeness. Every detail was important to the animators, from the shapes that her mouth makes when she talks to the number of folds in her eyelids.

MPC has also revealed it has a secret R&D lab, named “Shadow Lab.” at their studio, developing a number of different new technologies, including digital humans.

[Source: MPC]

Read more about the VFX of Blade Runner 2049 (in theaters nationwide) in the December issue of Animation Magazine (No. 275).


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