Raman Spectroscopy with self-organizing feature maps and partial least squares discriminant analysis for discrimination and source correspondence of red gel ink pens

• Main Authors: Mohamad Asri, Muhammad Naeim, Verma, Rajesh, Mahat, Naji Arafat, Mohd. Nor, Nor Azman, Mat Desa, Wan Nur Syuhaila, Ismail, Dzulkiflee
• Format: Article
• Published: Elsevier B.V. 2022
• Subjects: QD Chemistry
• Online Access: http://eprints.utm.my/103277/; http://dx.doi.org/10.1016/j.microc.2021.107170

In criminal and forensic investigations, documents play an important role in finance, legal, and business domains on a daily basis. Documents refer to materials with symbols or signs that convey meaning or message [1]. Forensic scientists are required to determine (i) whether there is any alteration...