Sudhanshu Kumar Semwal, Jun Ohya. Spatial Filtering Using the Active-Space Indexing Method. Computer Vision, Graphics, and Image Processing, 63(3):135-150, 2001. [doi]
@article{SemwalO01,
title = {Spatial Filtering Using the Active-Space Indexing Method},
author = {Sudhanshu Kumar Semwal and Jun Ohya},
year = {2001},
doi = {10.1006/gmod.2001.0540},
url = {http://dx.doi.org/10.1006/gmod.2001.0540},
researchr = {https://researchr.org/publication/SemwalO01},
cites = {0},
citedby = {0},
journal = {Computer Vision, Graphics, and Image Processing},
volume = {63},
number = {3},
pages = {135-150},
}