@article{Ren2017, 
author = {Jie-Yi Ren and Xiao-Jun Wu},
title = {Vectorial approximations of infinite-dimensional covariance},
year = {2017},
journal = {Computational Visual Media},
volume = {3},
number = {4},
pages = {379-385},
url = {https://www.sciopen.com/article/10.1007/s41095-017-0094-4},
doi = {10.1007/s41095-017-0094-4},
abstract = {}
}