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View Motion Tracking

Motion Tracking is the process of extracting camera and/or object data from a live action sequence shot on either film or video. The process can involve either markers or be markerless, where characteristics naturally occuring in the scene are tracked.  The purpose of motion tracking is to use the extracted information to assist in the creation of synthetic assets which will be added back into the original shot.  There are several automated tracking systems available; those systems can work well if the shot is properly documented, and/or there are discernable markers visible within the content of the shot. 

The computer will track markers or features, and create a tracking feature map in 2D.  Then, depending upon the need, 3D data is extracted from the 2D tracking information.  That information can then be used to drive the proper camera angles and attributes, and/or to capture the characteristics of objects within a scene.

 

Category:Glossary

Category:Compositing

Category:Animation

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