Live Motion Capture

Live Motion Capture

The method that records a live motion event which then is being translated into usable mathematical conditions by tracking a number of key points that are being combined in space over time to get a single threedimensional representation performance is called Motion Capture To simplify the meaning of this technology it enables the use of real performance to a digital one Everything that exist in our world and has actual motion could be then captured each moving part of that subject has its key points that provide the motion When that technology is being used on a human as an instance key points are the actual joints and they work as pivot points and connections for the bones Usually when that is being done all of the sensors potentiometers or markers identify the points and that transmits the data to the main device The performance that is being used to get a character to life is called performance animation and motion capture is related to the actual technology that collects the motion To conduct that motion capture needs to be done and then that is being transmitted to the 3D character That being said mocap obtains all of the information that represents motion while the performance animation on the other hand is the final deliverable of a character created by the performer Menache A 2011 Understanding motion capture for computer animation Burlington MA Morgan Kaufmann

Motion Capture is known as Motion tracking and in most cases as Mocap in any case it is actually 3D Animation The process in which recordings of human movement are translated into digital form by recording every pivot point on the actoractresses body After this footage is filmed it is then translated onto a 3D model Since the 1970s that technology has improved drastically and Performance Capture is a term referred to when Motion Capture animates small human features such as fingers expressions and facial features That process is actually very time consuming For instance the performance capture in 2009 20th Century Fox award winning film Avatar took over 15 years to create and the reason for that is that the amount of sensors that were used to portray these expressions was immense The concept of animation dates back to more than a thousand years ago when Chinese zoetropetype device was built to produce the illusion of motion from a burst succession of static images To present everyone is familiarized with the different types of animation from traditional handdrawn image frames to the Claymation or technology of Stop Motion Until the arrival of the Computer Graphics that has not shifted for all that time The most known categories of character animation to date are three The first category consists of algorithmic and modeldriven approaches An example is the dynamic physicsbased model like reverse pendulum The second category is the digital keyframing and hand driven a workflow alike the original animation creation but with the assist of 3D creation tools Motion Capture is the last category it was first developed in the late 1970s but it hasnt been recognized as a revolutionary animation technique until the mid 1980s when it was used for entertainment purposes Inspired by Rotoscoping an old time consuming animation technique that was being used in the early 1900s in which the animation would track movement frame to frame In the field of entertainment Motion Capture is considered as the descendant of that same technique which is still being used by some traditional animation studios to duplicate realistic motion from movie footage over to a cartoon characters For centuries some of the motion capture technologies have been used in different ways most known for its medical and military purposes Originally it was examined by the Military to track head rotations of pilots by electromagnetic motion capture Capturing motion could be done in few different ways A lot of them use camera systems that produce digitized views of the performance which afterwards is used to com

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