画像解析によるロース芯断面内脂肪割合の正確な算出法の開発

• 口田 圭吾

  帯広畜産大学

• 栗原 晃子

  帯広畜産大学

• 鈴木 三義

  帯広畜産大学

• 三好 俊三

  帯広畜産大学

書誌事項

タイトル別名

• Development of an Accurate Method for Measuring Fat Percentage on Rib-Eye Area by Computer Image Analysis
• ガゾウ カイセキ ニヨル ロース シン ダンメンナイ シボウ ワリアイ ノ セ

抄録

This paper presented a method of computer image analysis for measuring fat percentage on rib-eye area. The method was based on multiple threshold values which were determined for each marbling particle. A digital video camera, a digital still image capture board and a color image scanner were used to capture a full color image (255³ colors) into computer memory without image quality degradation. The measurement objects were a standard model of Beef Marbling Standard (BMS) and pictures on rib-eye area of 5 Japanese Black steers. The photograph and the video image of rib-eye area were taken into computer with the color image scanner and the digital still image capture board, respectively. Fat percentage was calculated from the area ratio of lean and fat which were determined by the computer program based on the method of multiple threshold values. The standard fat percentages were calculated basing on weight ratio of copy paper of rib-eye and marbling which were amplifiedly copied by digital copy machine for BMS and by color laser printer for Japanese Black steers. The range of threshold values for all marbling particles of BMS No. 4 was 40-59, indicating that it is impossible to thresholding by single threshold value. The differences between fat percentages by weight ratio and image analysis methods for BMS were within 0.2% for No. 2, 0.5% for No. 4, 2.1% for No. 7, 0.6% for No. 10 and 4.6% for No. 12. The differences between those for Japanese Black steers (range of fat percentage was 13.6-24.4%) were within 2%. The calculated fat percentage for low resolution of image tended to be lower than that for high resolution. The current method of computer image analysis gave an objective calculation of fat percentage in rib-eye.

収録刊行物

• 日本畜産学会報

  日本畜産学会報 68 (9), 853-859, 1997

  公益社団法人 日本畜産学会

キーワード

• Image analysis
• Beef marbling standard
• Fat percentage

詳細情報

• CRID: 1390282680168722048
• NII論文ID: 10024587386
• NII論文ID: 10005314762
• NII書誌ID: AN00195188
• DOI: 10.2508/chikusan.68.853
• ISSN: 18808255
• ISSN: 00215309
• ISSN: 1346907X
• ISSN: http://id.crossref.org/issn/1346907X
• NDL書誌ID: 4305176
• Web Site: https://obihiro.repo.nii.ac.jp/records/120
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4305176
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • IRDB
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可