@INPROCEEDINGS {34587, author={GOA Alves and M. Pereira and F. Pereira and C.L.P. Pagliari and V. Testoni and E. Silva}, doi={10.1109/ICIP.2018.8451583}, booktitle={ICIP Workshop on Multimedia Information Retrieval: New Trends and Challenges}, title={A study on the 4D sparsity of light fields using the discrete cosine transform}, year={2018}, month={October}, volume={-}, pages={---} }