雪花牛肉大理石花纹粗糙度和细密度的测定

doi:10.7506/spkx1002-6630-201318034

食品科学

雪花牛肉大理石花纹粗糙度和细密度的测定

刘璎瑛，沈明霞，彭增起，马鹏鹏，吴蒙，王卫东

1.南京农业大学工学院，江苏省智能化农业装备重点实验室，江苏南京 210031；
2.南京农业大学食品科技学院，江苏南京 210095；3.雪龙黑牛股份有限公司，辽宁大连 116031

出版日期:2013-09-25 发布日期:2013-09-27

Determination of Coarseness and Fineness of Snowflake Beef Marbling

LIU Ying-ying，SHEN Ming-xia，PENG Zeng-qi，MA Peng-peng，WU Meng，WANG Wei-dong

1. Jiangsu Key Laboratory of Intelligent Equipment for Agriculture, College of Engineering, Nanjing Agricultural University,Nanjing 210031, China；2. College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China；
3. Snowdragon Beef Co. Ltd., Dalian 116031, China

Online:2013-09-25 Published:2013-09-27

摘要/Abstract

摘要：

通过对高端雪花牛肉大理石花纹中有效切面面积、脂肪数量、脂肪含量、脂肪平均面积等检测分析，提出用粗糙度和细密度来定量描述脂肪的分布特征。以雪花牛肉图像为研究对象，通过图像分割得到大理石花纹的二值图像，标定二值图像里每一块脂肪的大小、位置，计算图像的粗糙度和细密度。结果表明：细密度和粗糙度两个指标能够反映脂肪的分布特征，在脂肪含量一定的情况下，细密度大、粗糙度小的牛肉其脂肪分布更均匀，并且两个指标能够跟随雪花牛肉大理石花纹脂肪含量的变化而变化。

关键词: 雪花牛肉, 大理石花纹, 粗糙度, 细密度

Abstract:

Quantitative description of fat distribution in snowflake beef marbling is the key to improving the accuracy
of automatic evaluation of beef marbling grade. According to the detection and analysis of high-grade snowflake beef
marbling based on fat amount, fat content, average fat area and fat area uniformity, it was proposed to quantitatively analyze
fat distribution through coarseness and fineness. Snowflake beef images were collected and coarseness and fineness was
calculated by obtaining the marbling binary image by imaging the segmentation and calibrating the size and location of each
piece of fat in the binary image. The test results showed that coarseness and fineness could reflect fat distribution. As for
fat content in a certain case, when beef has high fineness and low coarseness, its fat distribution is more uniformed. Both
indicators varied with the fat content of snowflake beef marbling.

Key words: beef, marbling, coarseness, fineness

刘璎瑛，沈明霞，彭增起，马鹏鹏，吴蒙，王卫东. 雪花牛肉大理石花纹粗糙度和细密度的测定[J]. 食品科学, doi: 10.7506/spkx1002-6630-201318034.

LIU Ying-ying，SHEN Ming-xia，PENG Zeng-qi，MA Peng-peng，WU Meng，WANG Wei-dong. Determination of Coarseness and Fineness of Snowflake Beef Marbling[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201318034.

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雪花牛肉大理石花纹粗糙度和细密度的测定

Determination of Coarseness and Fineness of Snowflake Beef Marbling

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