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Assembly: Emgu.CV (in Emgu.CV.dll) Version: 2.3.0.1416 (2.3.0.1416)
The W component of the quaternion: the value for cos(rotation angle / 2)
Namespace: Emgu.CVAssembly: Emgu.CV (in Emgu.CV.dll) Version: 2.3.0.1416 (2.3.0.1416)