| 利用基于红外光谱成像的光谱特征匹配法显现被掩盖字迹 |
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| 引用本文： | 蔡能斌,裴耀祥,姜梅,黄晓春. 利用基于红外光谱成像的光谱特征匹配法显现被掩盖字迹[J]. 红外, 2014, 35(7): 21-23 |
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| 作者姓名： | 蔡能斌 裴耀祥 姜梅 黄晓春 |
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| 作者单位： | 上海市公安局物证鉴定中心上海市现场物证重点实验室,上海市公安局虹口分局,上海公安高等专科学校,上海市公安局物证鉴定中心上海市现场物证重点实验室 |
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| 基金项目： | “十二五”国家科技支撑计划课题(2012BAK02B03) |
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| 摘 要： | 提出了一种用于显现被碳素墨水掩盖的字迹的光学方法,为查明案情提供了技术支撑。利用红外成像光谱仪采集了被碳素墨水掩盖字迹的光谱影像集,并运用光谱特征匹配法对光谱影像集进行了分析和处理,较清晰地显现了被碳素墨水掩盖的字迹。实验结果表明,基于红外光谱成像的光谱特征匹配法是显现被碳素墨水掩盖字迹的有效光学方法。
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| 关 键 词： | 法庭科学 红外光谱成像 光谱特征匹配 掩盖字迹 |
| 收稿时间： | 2014-04-11 |
| 修稿时间： | 2014-04-23 |
Revealing Covered Handwriting Mark by Spectral Feature Matching Based on Infrared Spectral Imaging |
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| cainengbin,peiyaoxiang,jiangmei and huangxiaochun. Revealing Covered Handwriting Mark by Spectral Feature Matching Based on Infrared Spectral Imaging[J]. Infrared, 2014, 35(7): 21-23 |
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| Authors: | cainengbin peiyaoxiang jiangmei huangxiaochun |
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| Affiliation: | CAI Neng-bin, PEI Yao-xiang, JIANG Mei, HUANG Xiao-chun(1.Shanghai Key Laboratory of Crinunal Scene Evidence,Institnte of Forensic Science,Shanghai Public Security Bureau,Shanghai 200083,China;2.Shanghai Public Security Bureau of Hongkou Branch,Shanghai 200433,China;3Shanghai Public Security Academy,Shanghai 200336,China |
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| Abstract: | An optical method for revealing the handwriting mark covered by carbon ink is proposed. It can provide a technical support for the finding of cases. An infrared imaging spectrometer is used to collect a set of infrared spectral images of the handwriting mark covered by carbon ink. Through the analysis and processing of the collected infrared images by a spectral feature matching method, the handwriting mark covered by carbon ink is revealed clearly. The experimental result shows that the spectral feature matching method based on infrared spectral imaging is an effective optical method for revealing handwriting marks covered by carbon ink. |
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| Keywords: | forensic science infrared spectral imaging spectral feature matching covered handwriting mark |
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