Nielsen, Frank (2005). "Surround video: a multihead camera approach". The Visual Computer. 1 (1). Springer: 92–103. doi:10.1007/s00371-004-0273-z. S2CID2000070.
Nielsen, Frank (2005). "Surround video: a multihead camera approach". The Visual Computer. 1 (1). Springer: 92–103. doi:10.1007/s00371-004-0273-z. S2CID2000070.