@INPROCEEDINGS {31976,
author={F. Jabar and J. Ascenso and M.P. Queluz},
doi={},
booktitle={IEEE International Symposium on Multimedia},
title={Perceptual Analysis of Perspective Projection for Viewport Rendering in 360° Images},
year={2017},
month={December},
volume={},
pages={-} 
}