@article {liu2020detecting,
	title = {Detecting Pulse Rates From Facial Videos Recorded in Unstable Lighting Conditions: An Adaptive Spatiotemporal Homomorphic Filtering Algorithm},
	journal = {IEEE Transactions on Instrumentation and Measurement},
	volume = {70},
	year = {2020},
	pages = {1{\textendash}15},
	publisher = {IEEE},
	author = {Liu, Xuenan and Yang, Xuezhi and Wang, Dingliang and Wong, Alexander}
}
