Douglas M. Campbell, John Higgins. Matrix method for finding sets of contiguous non-zero elements in a 2-dimensional array - II. Pattern Recognition, 21(5):451-453, 1988. [doi]
@article{CampbellH88,
title = {Matrix method for finding sets of contiguous non-zero elements in a 2-dimensional array - II},
author = {Douglas M. Campbell and John Higgins},
year = {1988},
doi = {10.1016/0031-3203(88)90004-0},
url = {http://dx.doi.org/10.1016/0031-3203(88)90004-0},
researchr = {https://researchr.org/publication/CampbellH88},
cites = {0},
citedby = {0},
journal = {Pattern Recognition},
volume = {21},
number = {5},
pages = {451-453},
}