Objective To introduce a new method to differentiate black ballpoint pen writing. Methods Black ballpoint pen writing samples was scanned at 600dpi and saved as tiff files, and the images were processed with Lab color mode in Photoshop CS3.Results 61.67% samples can be differentiated by the Lab mode. Conclusion The handwritings of black ballpoint pens can be differentiated by this method.
Key words
Lab color mode /
non-destructive testing /
black ballpoint pen /
photoshop
{{custom_keyword}} /
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
References
[1] 张陆军,刘畅.中文版Photoshop CS3图像处理快学易通[M].北京:机械工业出版社,2008:23.
[2] Hammond, Derek L. Validation of LAB color mode as a nondestructive method to differentiate black ballpoint pen inks[J]. J Forensic Science, 2007, 52(4):967-973.
[3] Barbara Downer.Using LAB color mode in adobe photoshop to different between black ballpoint pen inks[J]. J Forensic Document Examination, 2010, 20: 71-73.
{{custom_fnGroup.title_en}}
Footnotes
{{custom_fn.content}}