@InProceedings{pcs07, author = {Nuno Roma and Leonel Sousa}, booktitle = {Picture Coding Symposium ({PCS})}, title = {Fully compressed-domain transcoder for {PIP/PAP} video composition}, address = {Lisbon - Portugal}, month = nov, year = {2007}, url = {nfvr_pubs/pcs07.pdf}, }