The art of two Mickeys
Classic splitscreens, traditional face replacements and new approaches to machine learning-assisted face swapping allowed for twinning shots in ‘Mickey 17’. An excerpt from issue #32 of befores & afters magazine.
The art of representing two characters on screen at the same time has become known as ‘twinning’. For Mickey 17 visual effects supervisor Dan Glass, the effect of seeing both Mickey 17 and 18 together was one he looked to achieve with a variety of methodologies. “With a technique like that,” he says, “you always want to use a range of tricks, because you don’t want people to figure it out. You want to keep them like, ‘Oh, wait a minute. How did they…?”
“Going back to the way that Director Bong is so prepared and organized,” adds Glass, “it again makes the world of difference with that kind of work, because he thumbnails every shot. Then, some of them are a bit more fleshed out in storyboards. You can look at it and go, ‘Okay, in this situation, this is what the camera’s doing, this is what the actor’s doing,’ which in itself is quite interesting, because he pre-thinks all of this. You’d think that the actors show up and basically just have to follow the steps like robots. It’s not like that. He gives them an environment to work in, but the shots do end up extraordinarily close to what he thumbnails, and it made it a lot simpler to go through.”
Those different approaches to twinning ranged from simple splitscreens, to traditional face replacements, and then substantially with a machine learned AI approach, now usually termed ‘face swapping’. What made the twinning work a tougher task than usual, suggests Glass, was the fact that the two Pattinson characters are virtually identical.
“Normally, when you’re doing some kind of face replacement, you’re comparing it to a memory of the face. But this was right in front of you as two Mickeys looking strikingly similar.”
Here’s how a typical twinning shot was achieved, as described by Glass. “Because Mickey was mostly dressed the same, with only a slight hair change, we were able to have Robert play both roles and to do them one after another. Sometimes, you have to do these things where hair and makeup or costume has a significant variation, so you’re either waiting a long time, which slows production, or you’re coming back at another time to do the different roles, which always makes the process a lot more complicated to match, but we were able to do that immediately.”
“Based on the design of the shot,” continues Glass, “I would recommend which of Robert’s parts should be shot first. This was most often determined by which role had more impact on the camera movement. A huge credit goes to Robert for his ability to flip between the roles so effortlessly.”
In the film, Mickey 17 is more passive and Mickey 18 is more aggressive. Pattinson reflected the distinct characters in his actions, including for a moment in which they fight. This fight, overseen by stunt coordinator Paul Lowe, represented moments of close interaction between the two Mickeys. It was here that a body double was crucial in shooting. The body double was also relied upon for the classic twinning technique of shooting ‘dirty’ over-the- shoulder out of focus shots of the double—ie. 17 looking at 18. However, it was quickly determined that even these would need face replacement work. “Robert’s jawline is so distinct that even those had to be replaced or shot as split screens,” observes Glass.
When the shot was a moving one, no motion control was employed. “I’ve never been a big advocate for motion control,” states Glass. “To me it’s applicable when you’re doing things like miniatures where you need many matching passes, but I think when performances are involved, it interferes too much. It slows down a production’s speed of movement, but it’s also restrictive. Performance and camera always benefit from more flexibility.”
“It helped tremendously that Director Bong and DOP Darius Khondji shot quite classically with minimal crane and Steadicam moves,” says Glass. “So, a lot of the moves are pan and dolly. There are some Steadicams in there that we were sometimes able to do splitscreens on. I wasn’t always sure that we could get away with the splitscreen as we shot it, but since we were always shooting the two roles, we had the footage to assess the practicality later. We were always prepared to go down a CG or machine learning route, but where we could use the splitscreen, that was the preference.”
The Hydralite rig, developed by Volucap. Source:
Rising Sun Pictureshandled the majority of twinning visual effects, completing them as splitscreen composites, 2D face replacements, and most notably via their machine learning toolset REVIZE, which utilized facial and body capture of Pattinson to train a model of his face and torso to swap for the double’s. A custom capture rig, dubbed the ‘Crazy Rig’ and now officially, The Hydralite, was devised and configured by Volucap to capture multiple angles of Robert on set in each lighting environment in order to produce the best possible reference for the machine learning algorithm. “For me, it was a completely legitimate use of the technique,” attests Glass, in terms of the machine learning approach. “All of the footage that we used to go into that process was captured on our movie for our movie. There’s nothing historic, or going through past libraries of footage, and it was all with Robert’s approval. I think the results were tremendous.”
“It’s staggering to me as I watch the movie that the performances of each character are so flawlessly consistent throughout the film, because I know how much we were jumping around,” notes Glass. “I did encourage that we rehearse scenes ahead. Let’s say 17 was going to be the first role we captured, I’d have them rehearse it the other way around so that the double knew what he was going to do. Therefore, eyelines, movement, pacing and in instances where we were basically replacing the likeness of his head or even torso, we were still able to use the double’s performance and then map to that.”
Read the full Mickey 17 issue of befores & afters magazine in PRINT from Amazon or as a DIGITAL EDITION on Patreon. Remember, you can also subscribe to the DIGITAL EDITION as a tier on the Patreon and get a new issue every time one is released.
The post The art of two Mickeys appeared first on befores & afters.
#art #two #mickeysThe art of two Mickeys
Classic splitscreens, traditional face replacements and new approaches to machine learning-assisted face swapping allowed for twinning shots in ‘Mickey 17’. An excerpt from issue #32 of befores & afters magazine.
The art of representing two characters on screen at the same time has become known as ‘twinning’. For Mickey 17 visual effects supervisor Dan Glass, the effect of seeing both Mickey 17 and 18 together was one he looked to achieve with a variety of methodologies. “With a technique like that,” he says, “you always want to use a range of tricks, because you don’t want people to figure it out. You want to keep them like, ‘Oh, wait a minute. How did they…?”
“Going back to the way that Director Bong is so prepared and organized,” adds Glass, “it again makes the world of difference with that kind of work, because he thumbnails every shot. Then, some of them are a bit more fleshed out in storyboards. You can look at it and go, ‘Okay, in this situation, this is what the camera’s doing, this is what the actor’s doing,’ which in itself is quite interesting, because he pre-thinks all of this. You’d think that the actors show up and basically just have to follow the steps like robots. It’s not like that. He gives them an environment to work in, but the shots do end up extraordinarily close to what he thumbnails, and it made it a lot simpler to go through.”
Those different approaches to twinning ranged from simple splitscreens, to traditional face replacements, and then substantially with a machine learned AI approach, now usually termed ‘face swapping’. What made the twinning work a tougher task than usual, suggests Glass, was the fact that the two Pattinson characters are virtually identical.
“Normally, when you’re doing some kind of face replacement, you’re comparing it to a memory of the face. But this was right in front of you as two Mickeys looking strikingly similar.”
Here’s how a typical twinning shot was achieved, as described by Glass. “Because Mickey was mostly dressed the same, with only a slight hair change, we were able to have Robert play both roles and to do them one after another. Sometimes, you have to do these things where hair and makeup or costume has a significant variation, so you’re either waiting a long time, which slows production, or you’re coming back at another time to do the different roles, which always makes the process a lot more complicated to match, but we were able to do that immediately.”
“Based on the design of the shot,” continues Glass, “I would recommend which of Robert’s parts should be shot first. This was most often determined by which role had more impact on the camera movement. A huge credit goes to Robert for his ability to flip between the roles so effortlessly.”
In the film, Mickey 17 is more passive and Mickey 18 is more aggressive. Pattinson reflected the distinct characters in his actions, including for a moment in which they fight. This fight, overseen by stunt coordinator Paul Lowe, represented moments of close interaction between the two Mickeys. It was here that a body double was crucial in shooting. The body double was also relied upon for the classic twinning technique of shooting ‘dirty’ over-the- shoulder out of focus shots of the double—ie. 17 looking at 18. However, it was quickly determined that even these would need face replacement work. “Robert’s jawline is so distinct that even those had to be replaced or shot as split screens,” observes Glass.
When the shot was a moving one, no motion control was employed. “I’ve never been a big advocate for motion control,” states Glass. “To me it’s applicable when you’re doing things like miniatures where you need many matching passes, but I think when performances are involved, it interferes too much. It slows down a production’s speed of movement, but it’s also restrictive. Performance and camera always benefit from more flexibility.”
“It helped tremendously that Director Bong and DOP Darius Khondji shot quite classically with minimal crane and Steadicam moves,” says Glass. “So, a lot of the moves are pan and dolly. There are some Steadicams in there that we were sometimes able to do splitscreens on. I wasn’t always sure that we could get away with the splitscreen as we shot it, but since we were always shooting the two roles, we had the footage to assess the practicality later. We were always prepared to go down a CG or machine learning route, but where we could use the splitscreen, that was the preference.”
The Hydralite rig, developed by Volucap. Source:
Rising Sun Pictureshandled the majority of twinning visual effects, completing them as splitscreen composites, 2D face replacements, and most notably via their machine learning toolset REVIZE, which utilized facial and body capture of Pattinson to train a model of his face and torso to swap for the double’s. A custom capture rig, dubbed the ‘Crazy Rig’ and now officially, The Hydralite, was devised and configured by Volucap to capture multiple angles of Robert on set in each lighting environment in order to produce the best possible reference for the machine learning algorithm. “For me, it was a completely legitimate use of the technique,” attests Glass, in terms of the machine learning approach. “All of the footage that we used to go into that process was captured on our movie for our movie. There’s nothing historic, or going through past libraries of footage, and it was all with Robert’s approval. I think the results were tremendous.”
“It’s staggering to me as I watch the movie that the performances of each character are so flawlessly consistent throughout the film, because I know how much we were jumping around,” notes Glass. “I did encourage that we rehearse scenes ahead. Let’s say 17 was going to be the first role we captured, I’d have them rehearse it the other way around so that the double knew what he was going to do. Therefore, eyelines, movement, pacing and in instances where we were basically replacing the likeness of his head or even torso, we were still able to use the double’s performance and then map to that.”
Read the full Mickey 17 issue of befores & afters magazine in PRINT from Amazon or as a DIGITAL EDITION on Patreon. Remember, you can also subscribe to the DIGITAL EDITION as a tier on the Patreon and get a new issue every time one is released.
The post The art of two Mickeys appeared first on befores & afters.
#art #two #mickeys
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