Hajime Takakubo, Katsufusa Shono. An image tracing approach using CMOS variable threshold logic. Microprocessors and Microsystems, 16(8):395-402, 1992. [doi]
@article{TakakuboS92,
title = {An image tracing approach using CMOS variable threshold logic},
author = {Hajime Takakubo and Katsufusa Shono},
year = {1992},
doi = {10.1016/0141-9331(92)90026-P},
url = {http://dx.doi.org/10.1016/0141-9331(92)90026-P},
researchr = {https://researchr.org/publication/TakakuboS92},
cites = {0},
citedby = {0},
journal = {Microprocessors and Microsystems},
volume = {16},
number = {8},
pages = {395-402},
}