图像法测量棉纤维长度的最佳取样量研究
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摘要
研究图像法测试棉纤维长度中纤维根数的最佳取样量。设计了纤维根数在500根~5 000根的10种不同取样量,对10 000根左右的棉纤维进行了图像获取和测试,整理得到相应长度指标和长度分布曲线。根据相关系数、残差平方和和面积吻合度3个评价指标分析不同取样量下长度-根数频率分布曲线与总体的吻合程度。结果表明:取样量在3 000根~3 500根范围时,分布曲线与总体的吻合程度最好,为最佳取样量。认为确定棉纤维测试的最佳取样量可以提高测试效率,降低工作强度,为快速准确测试纤维长度打下基础。
The optimized sample number of fiber counts to test cotton fiber length with image method was studied.Ten kinds of different sample quantities were designed which the fiber number is from 500 counts to 5 000 counts.The images of around 10 000 counts cotton fibers were obtained and tested.The related length indexes and length distribution curve were achieved.The matching degree of frequency distribution curve for fiber length and fiber counts under different sample number with totality was analyzed according to three evaluation indexes like correlation coefficient,residual sum of squares and area matching degree.The test result shows that matching degree of distribution curve with totality is the best when the sample number is around 3 000 counts to 3 500 counts.It is the best sample number.It is considered that the determination of optimized sample number for cotton fiber test can improve the testing efficiency and reduce the working load.It can establish the basis to test fiber length quickly and accurately.
The optimized sample number of fiber counts to test cotton fiber length with image method was studied.Ten kinds of different sample quantities were designed which the fiber number is from 500 counts to 5 000 counts.The images of around 10 000 counts cotton fibers were obtained and tested.The related length indexes and length distribution curve were achieved.The matching degree of frequency distribution curve for fiber length and fiber counts under different sample number with totality was analyzed according to three evaluation indexes like correlation coefficient,residual sum of squares and area matching degree.The test result shows that matching degree of distribution curve with totality is the best when the sample number is around 3 000 counts to 3 500 counts.It is the best sample number.It is considered that the determination of optimized sample number for cotton fiber test can improve the testing efficiency and reduce the working load.It can establish the basis to test fiber length quickly and accurately.
引文
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[3]何晓峰.AFIS棉纤维长度测量的不足之处[J].中国棉花加工,2005(6):25-27.
[4]孔繁荣.HVI AFIS和梳片法测试原棉短纤维含量的分析[J].山东纺织科技,2011,52(5):41-44.
[5]段东晓,郑烨,汪军.基于逐根法图像处理方式测量棉纤维长度研究[J].纺织器材,2017,44(4):1-4.
[6]中华人民共和国国家质量监督检验检疫总局.棉纤维试验取样法:GB/T 6097—2012[S].北京:中国标准出版社,2012.
[7]中华人民共和国国家质量监督检验检疫总局.纺织纤维短纤维长度和长度分布的测定单纤维测量法:GB/T 16257—2008[S].北京:中国标准出版社,2008.
[8]王红芳,丁晶,王文圣,等.集对分析在频率曲线拟合度定量评价中的应用[J].水利水电技术,2007,38(4):1-3,15.
[9]董玉恒.曲线拟合度和拟合优度检验的局限性及新设想[J].现代预防医学,1996,23(3):137-138.