ref.bib

@inproceedings{perlinnoise,
author = {Perlin, Ken},
title = {Improving noise},
year = {2002},
isbn = {1581135211},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
url = {https://doi.org/10.1145/566570.566636},
doi = {10.1145/566570.566636},
abstract = {Two deficiencies in the original Noise algorithm are corrected: second order interpolation discontinuity and unoptimal gradient computation. With these defects corrected, Noise both looks better and runs faster. The latter change also makes it easier to define a uniform mathematical reference standard.},
booktitle = {Proceedings of the 29th Annual Conference on Computer Graphics and Interactive Techniques},
pages = {681–682},
numpages = {2},
keywords = {procedural texture},
location = {San Antonio, Texas},
series = {SIGGRAPH '02}
}