@incollection{Han11,
author = {Qi Han and Qiong Li and Xiamu Niu},
title = {A Face Image Database for Evaluating Out-of-Focus Blur},
booktitle = {Face Analysis, Modeling and Recognition Systems},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Tudor Barbu},
chapter = {7},
doi = {10.5772/17977},
url = {https://doi.org/10.5772/17977}
}