id	keyword
brj-23882	signal
brj-23882	system
brj-23882	finger
brj-23882	inspection
brj-23882	wang
brj-23882	wood
brj-23882	quality
brj-23882	ultrasonic
brj-23882	interpolation
brj-23882	doi
brj-23882	article
brj-23882	fig
brj-23882	et al
brj-23882	detection