A device, system, and method cast a ray projection from a perspective view. The method includes determining a first mask for a first object from a first frame captured by a first camera. The method includes determining a second mask for the first object from a second frame captured by a second camera. The method includes generating a 3D mask by associating the first mask and the second mask. The method includes determining a location of the 3D mask. The method includes generating the ray projection of the 3D mask from a perspective of a second object.