スキャナで取込んだ画像を用いる布粘着テープの識別

• 肥田 宗政

  愛知県警察本部科学捜査研究所

• 佐藤 弘康

  愛知県警察本部科学捜査研究所

• 奥山 修司

  愛知県警察本部科学捜査研究所

書誌事項

タイトル別名

• Discrimination Analysis of Adhesive Cloth Tapes by Using Scanned Digital Images

抄録

  The scanned digital image was converted to three histograms of 256-bit depth for each color (red, green, blue) based on RGB color model, using image-processing software. Summation of three histograms at every depth was calculated. An inherent spectrum for each tape was featured. Thirty-one similar colored adhesive cloth tapes from 10 different manufacturers were examined. Cluster analysis was performed using 310 spectra obtained from 31 samples. Cluster analysis indicated that 31 samples were divided into 5 groups. Multiple correlation coefficient (R) was used to discriminate the adhesive cloth tapes. R was examined whether it would be possible to be considered a criterion of judgment of the difference discernment between samples to be shown as a numerical value. As a result, in order to judge it as the same adhesive cloth tape, it became clear that R was 0.994 or more.<br>

収録刊行物

• 日本法科学技術学会誌

  日本法科学技術学会誌 17 (2), 83-89, 2012

  日本法科学技術学会

キーワード

• Adhesive cloth tapes
• Multiple correlation coefficient
• Discrimination analysis
• Scanner
• Digital images

詳細情報

• CRID: 1390282680221800064
• NII論文ID: 130004485371
• DOI: 10.3408/jafst.17.83
• ISSN: 18814689
• ISSN: 18801323
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可