Pengpeng Ni Alexander Eichhorn Carsten Griwodz Pål Halvorsen Fine-grained scalable streaming from coarse-grained videos. 103-108 2009 NOSSDAV http://doi.acm.org/10.1145/1542245.1542269 conf/nossdav/2009 db/conf/nossdav/nossdav2009.html#NiEGH09