Forensic bloodstain imaging: a digital method for stain enhancement and background reduction

Multi-Informative and Specific Detection of Blood in Fingermarks via MALDI-MS Based Strategies

“…Additionally, Polilight® can indicate the presence of other body fluids based on their fluorescence at certain wavelengths, although their identification is not possible [101]. Complementing this technique, digital enhancement and background correction algorithms of images have been successfully tested to improve visibility and detection rate of untreated bloodstains photographed under ALS illumination [110].…”