@article {646, title = {Secure Signal Processing in the Cloud: enabling technologies for privacy-preserving multimedia cloud processing}, journal = {IEEE Signal Processing Magazine}, volume = {30}, year = {2013}, month = {03/2013}, pages = {29-41}, keywords = {SPED}, author = {Juan Ram{\'o}n Troncoso-Pastoriza and Fernando P{\'e}rez-Gonz{\'a}lez} }