LAB图像处理模式区分黑色圆珠笔字迹的方法验证  

Differentiation of black ballpoint pen writing by lab color mode

作　　者：孙华清[1] 梁鲁宁[2] 林雷祥[2] 董军[1] 邹积鑫[1] 

机构地区：[1]中国人民公安大学,北京100038 [2]公安部物证鉴定中心,北京100038

出　　处：《刑事技术》2012年第4期23-25,共3页Forensic Science and Technology

摘　　要：目的考察验证LAB模式区分黑色圆珠笔字迹的方法,以及油墨浓淡对检验结果的影响。方法采用600dpi分辨率扫描样品并将图像保存成tiff格式,运用Photoshop CS3图像处理软件中Lab模式进行处理。结果 Lab模式无损区分黑色圆珠笔字迹的识别率达到61.67%,且油墨浓淡对实验结果影响不明显。结论此方法可用于黑色圆珠笔字迹的区分检验。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.

关 键 词：Lab模式 无损检验 黑色圆珠笔 PHOTOSHOP 

分 类 号：DF794.2[政治法律—诉讼法学]