@techreport{JVT-W004,
  author = {Ohm, Jens-Rainer and Wiegand, Thomas and Bober, Miroslaw and Sullivan,
	Gary},
  title = {Report of Ad Hoc Group on Video Annotation},
  institution = {Joint Video Team ({JVT}) of {ISO/IEC MPEG} \& {ITU-T VCEG}},
  year = {2007},
  type = {Doc.},
  number = {W004},
  address = {San Jose, CA, USA},
  month = apr
}