From the course: Virtual Production Foundations

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Survey of camera tracking technologies

Survey of camera tracking technologies

From the course: Virtual Production Foundations

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Survey of camera tracking technologies

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- So now that we have the 3D world built how do we move around in it? Camera tracking is the process of capturing the movement and orientation of a physical camera. It enables realistic motion and parallax by connecting the real world camera to the virtual camera. With this connection, a camera moving around in an LED volume can match the perspective drawn by a real time animation engine, such as on real engine. Camera tracking methods include mechanical tracking, markerless or feature tracking IMU or lighthouse tracking and optical tracking. Each technique has specific associated costs and technical complexities. So let's examine some of the pros and cons of each. Mechanical tracking systems use measuring sensors or encoders attached to a crane, a camera, head dolly, et cetera. These encoders provide angular and positional movements, which allow an operator to track the camera's position accurately. What's nice about…

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