dm.cs.tu-dortmund.de/mlbits/foundations-distances/
Distance Functions – Lecture Notes
histogram indexing for quadratic form distance functions. IEEE Trans. Pattern Anal. Mach. Intell. 17, 7 (1995), 729–736. DOI: 10.1109/34.391417
[NBEF93]
Niblack, W., Barber, R., Equitz, W., Flickner, M., …