Application of resistance measurements of black gel ink to identify altered documents

• Autore principale: Wei Han (Autore)
• Natura: Libro
• Pubblicazione: Wolters Kluwer Medknow Publications, 2019-01-01T00:00:00Z.
• Soggetti: article
• Accesso online: Connect to this object online.

Identification of altered documents written in black gel ink is widely recognized as problematic, especially if both the original and altered strokes contain carbon. In this work, we used a black handwriting resistance measurement instrument to measure the resistance values of ink strokes. Because b...