John Ens, Peter Lawrence. A matrix based method for determining depth from focus. In IEEE Computer Society Conference on Computer Vision and Pattern Recognition, CVPR 1991, 3-6 June, 1991, Lahaina, Maui, Hawaii, USA. pages 600-606, IEEE, 1991. [doi]
@inproceedings{EnsL91,
title = {A matrix based method for determining depth from focus},
author = {John Ens and Peter Lawrence},
year = {1991},
doi = {10.1109/CVPR.1991.139760},
url = {http://dx.doi.org/10.1109/CVPR.1991.139760},
researchr = {https://researchr.org/publication/EnsL91},
cites = {0},
citedby = {0},
pages = {600-606},
booktitle = {IEEE Computer Society Conference on Computer Vision and Pattern Recognition, CVPR 1991, 3-6 June, 1991, Lahaina, Maui, Hawaii, USA},
publisher = {IEEE},
}