用偏振光显微镜旋转成像测量C/C复合材料热解炭消光角过程中,所采集的序列图像间经常出现目标偏移现象.针对该问题,提出了一种基于结构特征的图像配准算法.该算法采用圆边缘检测算子检测每幅图像中同一纤维圆截面的圆心,以圆心作为图像配准的匹配点,通过坐标变换实现图像配准.在热解炭消光角测量过程中的应用结果表明,该配准算法可以避免因目标偏移而造成的数据采集误差,保证消光角测量的准确实现.
参考文献
| [1] | 李贺军.炭/炭复合材料[J].新型炭材料,2001,16(2):79-80.Li Hejun.Carbon/carbon composite[J].New Carbon Materials,2001,16(2):79-80. |
| [2] | Guellali M,Oberacker R,Hoffmann M J.Influence of heat treatment on microstructure and mechanical properties of CVI-CFC composites with medium and highly textured pyrocarbon matrices[J].Composites Science and Technology,2008,68(5):1115-1121. |
| [3] | Xu Guozhong,Li Hejun,Bai Ruicheng,Wei Jian,Zhai Yanqiang.Influence of the matrix texture on the fracture behavior of 2D carbon/carbon composites[J].Materials Science and Engineering A,2008,478(1/2):319-323. |
| [4] | 李妙玲,齐乐华,李贺军.C/C复合材料组分含量的图像分析方法[J].复合材料学报,2007,24(1):106-111.Li Miaoling,Qi Lehua,Li Hejun.Image analysis technique for the components of C/C composite[J].Acta Materiae Compositae Sinica,2007,24(1):106-111. |
| [5] | Diefendorf R J,Tokarsky E W.The relationships of structure to properties in graphite fibers,AFMLTR-72-133-Pt-3[R].New York:AD,1975. |
| [6] | Dupel P,Bourrat X,Pailler R.Structure of pyrocarbon infiltrated by pulse CVI[J].Carbon,1995,33(9):1193-1204. |
| [7] | Bourrat X,Fillion A,Naslain R,Chollon G,Brendle M.Regenerative laminar pyrocarbon[J].Carbon,2002,40(15):2931-2945. |
| [8] | 熊杰,邹志强,汤中华,张红波,熊翔.载气对C/C复合材料CVI热解炭显微结构的影响[J].复合材料学报,2004,21(6):87-92.Xiong Jie,Zou Zhiqiang,Tang Zhonghua,Zhang Hongbo,Xiong Xiang.Effect of carrier gas on the microstructure of CVI pyrocarbon in C/C composites[J].Acta Materiae Compositae Sinica,2004,21(6):87-92. |
| [9] | 廖寄乔,黄伯云,黄志锋,陈亮,陈腾飞.热解炭微观结构的表征--热解炭各向异性的偏振光分析[J].理化检验:物理分册,2002,38(11):501-506.Liao Jiqiao,Huang Baiyun,Huang Zhifeng,Chen Liang,Chen Tengfei.Microstructural characterization of pyrocarbon--Polarized light microscopic observation of anisotropy of pyrocarbon[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2002,38(11):501-506. |
| [10] | 张保法,阮宏武,李东生.偏光观察C/C复合材料[J].材料工程,2006(1):32-34.Zhang Baofa,Ruan Hongwu,Li Dongsheng.C/C composite as observed by polarized light[J].Journal of Materials Engineering,2006(1):32-34. |
| [11] | Oberlin A.Pyrocarhons[J].Carbon,2002,40(1):7-24. |
| [12] | Li Miaoling,Qi Lehua,Li Hejun,Xu Guozhong.Measurement of the extinction angle about laminar pyrocarbons by image analysis in reflection polarized light[J].Materials Science and Engineering A,2007,448 (1/2):80-87. |
| [13] | Brown L.A survey of image registration techniques[J].ACM Computing Surveys,1992,24(4):325-376. |
| [14] | Vallerot J M,Bourrat X.Pyrocarbon optical properties in reflected light[J].Carbon,2006,44(8):1565-1571. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%