Optical Markers through Witness Camera
The Previzion system uses an unique optical pattern in the shape of a circular barcode.
Each of these Circular Data Matrixes contain a specific number that is matched agains a lookup table to provide its x,y,z position.
Previzion reduces the need for “through the lens” markers that need to be rotoscoped later in post-production.
By using these barcodes outside the field of view of the main cinema camera, Previzion tracks the position of the camera in real-time.