改进多边形包含判断在Sn-Sb-Cu金相识别中的研究
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摘要
针对Sn-Sb-Cu显微图中各相参数的快速、精确测量,给出一种基于灰度和形状特征的金相联合识别方法。改进的交点计数检验法判断多边形的包含关系能够降低图形误识别的概率,提取的紧凑度这一特征可较好地反映各相差异。实验结果表明该算法对金相具有较高的识别率,获得的各相相对量与XRD能谱测得的数据较为接近,利用提取的各相特征参数建立了组织和合金硬度的定量关系。
In order to measure phase parameters of Sn-Sb-Cu micrographs fast and accurately, a metallographic recognition method based on gray and shape features is given. Determining the inclusion relationship of polygons by improving the test method of intersection-point count can greatly reduce the probability of graphics misrecognition. Compactness, an extracted feature, can describe difference of each phase better. Experimental results show that the proposed method has a high recognition rate for metallographic, the obtained relative amounts of each phase are close to measured data of XRD spectra, and using the extracted phase parameters can establish a quantitative relationship between the organization and hardness.
In order to measure phase parameters of Sn-Sb-Cu micrographs fast and accurately, a metallographic recognition method based on gray and shape features is given. Determining the inclusion relationship of polygons by improving the test method of intersection-point count can greatly reduce the probability of graphics misrecognition. Compactness, an extracted feature, can describe difference of each phase better. Experimental results show that the proposed method has a high recognition rate for metallographic, the obtained relative amounts of each phase are close to measured data of XRD spectra, and using the extracted phase parameters can establish a quantitative relationship between the organization and hardness.
引文
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[2]张佳伟.锡基巴氏合金中锑铜分方法的研究[J].热处理,2014(1):63-66.
[3]吴秀云,李洁.ICP-AES法测定锡基巴氏合金中的锑、铅、铜、铋、砷和铁[J].分析化学,2009,37(z1).
[4]郭亚希,谢敬佩.铸造方法对巴氏合金组织及性能的影响[J].河南科技大学学报:自然科学版,2009,30(4):8-11.
[5]上海交通大学《金相分析》编写组.金相分析[M].北京:国防工业出版社,1982.
[6]Savard,Myriam.The characterization of cemented carbides by automated image analysis[J].The Journal of The Minerals,Metals&Materials Society,2008,60(4).
[7]Galloway J A,Montminy M D.Image analysis for interfacial area and cocontinuity detection in polymer[J].Polymer,2002,43:4715-4722.
[8]陆德荣,何春霞.Si C/PTFE纳米复合材料定量分析方法[J].上海交通大学学报,2010(4):473-477.
[9]Mahmudi R,Geranmayeh A R.Indentation creep study of lead-free Sn-5%Sb solder alloy[J].Materials Science and Engineering,2007:173-179.
[10]孙旭茂.锡基巴氏合金的金相组织和铸造缺陷[J].内燃机配件,1992(3):1-8.
[11]安成锦,牛照东,李志军,等.典型Otsu算法阈值比较及其SAR图像水域分割性能分析[J].电子与信息学报,2010,32(9):2215-2219.
[12]赵德春,彭承琳.用形态学改进医学图像边缘检测算法[J].重庆大学学报:自然科学版,2010,32(2):123-126.
[13]盛德君.细化处理和算法实现[J].云南师范大学学报:自然科学版,2000,20(6):21-23.
[14]余腊生,沈德耀.扫描线种子填充算法的改进[J].计算机工程,2003,29(10):70-72.
[15]王家耀.空间信息系统原理[M].北京:科学出版社,2001.
[16]江平,刘民士.射线法判断点与包含简单曲线多边形关系的完善[J].测绘科学,2009,34(5):220-222.