A method that provides objective data to complement the hair analysts' microscopic observations, which is non-destructive, would be of obvious benefit in the forensic examination of hairs. This paper reports on the use of objective colour measurement and image analysis techniques of auto-montaged images. Brown Caucasian telogen scalp hairs were chosen as a stern test of the utility of these approaches. The results show the value of using auto-montaged images and the potential for the use of objective numerical measures of colour and pigmentation to complement microscopic observations.
Brooks, E., Comber, B., McNaught, I., & Robertson, J. (2011). Digital Imaging and image analysis applied to numerical applications in forensic hair examination. Science and Justice, 51(1), 28-37. https://doi.org/10.1016/j.scijus.2010.06.008