Powerful electronics like onboard sensors give them a range of abilities that make shooting more manageable and ultimately give VFX studios better tools for use in the finished product. Vicon’s Motion capture cameras offer more than their standard counterparts. Motion tracking at its most accurate relies on cutting-edge technology, both in the form of hardware and the software components that support and power them. In this case, motion capture helped to enhance the expressions of the character Caesar, a highly intelligent chimpanzee, to be closer to those of a human. These combine reality with digital extensions in real time, advancing the possibilities of filmmakers through this ground-breaking technology by replacing much of the post-production green screen requirements of the past.Īnother film, War for the Planet of the Apes, also utilised motion capture performances by actors including famed mo-cap performer Andy Serkis. Motion capture is utilised to track the cameras with the actors and props performing before large scale direct view LED video walls. One such example is Vicon’s recent collaboration with Industrial Light and Magic (ILM) on the award-winning Star Wars series The Mandalorian which has highlighted how motion capture technology can be married with in-camera visual effects. Similarly, not every part of the actor is transferred onto the character, who will often differ in size and appearance to the actor themselves. Indeed, some motion capture performances help to adapt the movements of a human to an animal or fantasy creature expressing human characteristics, for which there is no real-life reference. Motion capture does not need to be a like-for-like translation from actor to character on screen. This skeleton can then be transposed onto a digital character to form the basis of their movements and expressions, cutting out a painstaking time for animators who would otherwise need to study certain motions over and again in excruciating detail in order to realistically portray them. How does a motion capture system work?Īs a performance is recorded, specialised cameras track the movements of the markers and use them to generate a kind of digital skeleton with the help of highly specialised software. Modern mo-cap suits tend to also incorporate sensors to help improve the tracking of their wearers. These markers signify reference points that will help animators to match similar movements from performance to simulated movement, for example the movement of the actor’s shoulder to the characters. These suits are famous for their somewhat humorous and unusual appearance, being tightly fitting and covered in geometric shape markers to help track an actor’s movements, and often sporting white ping pong ball-like markers. To have their movements recorded and mapped, actors need to wear special motion capture suits with sophisticated camera rigs that can also record the movements of their faces. Motion capture, also known as mo-cap, helps to give animated characters a level of realism that makes them feel truer-to-life and more authentic. Some systems operate with an accuracy down to 1/5 th of a human hair, which provides very accurate data to be captured and recorded upon the subject of focus. Motion capture systems are traditionally comprised of a specialist multi-camera array that is strategically positioned to focus upon a volume of space where the objects to be tracked are present, ensuring that there are enough cameras present to accurately pinpoint the location of moving objects that are equipped with reflective tracking markers.Ī tracking software enables specific targets to be recognised, from 3D glasses to hand-held navigation devices to entire human skeletons, UAVs, robots and virtually anything you wish to capture the movements of. How is a motion capture system deployed, and what are its strengths? What is a motion capture system? The technologies that comprise motion capture have come a long way since their inception and are now commonplace in a variety of industries. Motion capture is a useful tool for a wide range of applications including animation, visual effects, virtual reality and simulation.
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