@inbook{82d0e01ebcb544a0ad847b561c0a0f1e,
title = "Evaluations of recognition threshold for discoloured safety signs in terms of white pixel concentration and CIELUV color difference",
author = "A.W.Y. Ng and CHAN, \{Hoi Shou Alan\}",
year = "2014",
doi = "10.1201/b16763-33",
language = "English",
isbn = "9781138001367",
pages = "295--300",
editor = "Sio-Iong Ao and Chan, \{Alan Hoi-Shou\} and Hideki Katagirl and Li Xu",
booktitle = "IAENG transactions on engineering sciences",
publisher = "CRC Press",
}