id	keyword
esrj-39716	classification
esrj-39716	images
esrj-39716	features
esrj-39716	set
esrj-39716	depth
esrj-39716	caving
esrj-39716	gabor
esrj-39716	figure
esrj-39716	rock
esrj-39716	classes
esrj-39716	performance
esrj-39716	matrix
esrj-39716	training