| 基于高光谱成像技术的牛肉大理石花纹的评估 |
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| 引用本文： | 高晓东,吴建虎,彭彦昆,陈菁菁,陶斐斐.基于高光谱成像技术的牛肉大理石花纹的评估[J].农产品加工．学刊,2009(10). |
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| 作者姓名： | 高晓东 吴建虎 彭彦昆 陈菁菁 陶斐斐 |
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| 作者单位： | 中国农业大学,工学院,北京,100083 |
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| 基金项目： | 国家自然科学基金资助项目(30771244) |
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| 摘 要： | 利用高光谱扫描成像技术评估牛肉大理石花纹。组建了高光谱线扫描成像系统,采集牛肉样品在400~1100nm波段的高光谱反射图像。通过牛肉脂肪和瘦肉在各个波段处反射值比的最大值,确定530nm为特征波段。提取特征波段处大理石花纹的3个特征参数(大颗粒脂肪密度、中等颗粒脂肪密度和小颗粒脂肪密度),使用特征参数分别建立多元线性回归模型(MLR)和正则判定函数模型,对大理石花纹分级和等级预测,用全交叉验证方法验证模型的准确性。MLR模型对大理石花纹等级的预测决定系数R2=0.92,预测标准差为SECV=0.45;总的分级准确率是84.8%;正则判定函数对大理石花纹等级判定准确性较低,为78.8%。研究表明,将高光谱成像技术应用于牛肉大理石花纹等级评定是可行的。
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| 关 键 词： | 牛肉大理石花纹 高光谱成像 图像处理 |
Analysis of Beef-marbling Grade Using Hyperspectral Imaging Technology |
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| Gao Xiaodong,Wu Jianhu,Peng Yankun,Chen Jingjing,Tao Feifei.Analysis of Beef-marbling Grade Using Hyperspectral Imaging Technology[J].Nongchanpin Jlagong.Xuekan,2009(10). |
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| Authors: | Gao Xiaodong Wu Jianhu Peng Yankun Chen Jingjing Tao Feifei |
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| Institution: | College of Engineering;China Agricultural University;Beijing 100083;China |
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| Abstract: | The objective of this study was to analyze the beef- marbling grade using hyperspectral imaging technology.Hyperspectral scanning imaging system was developed to collect hyperspectral images in the spectral region of 400~1 100 nm.The max ratio of gray value of fat and lean in each bands was used to select the characteristic bands,images from 530 nm wasused to segment beef-marbling. Three characteristic parameters of beef-marbling such as big fat area,medium fat area andsmall fat area were extracted. Then th... |
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| Keywords: | beef-marbling hyperspectral imaging image processing |
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