光学学报, 2019, 39 (2): 0212006, 网络出版: 2019-05-10
基于数字图像相关的平面物体面形散斑图形偏折术 下载: 1287次
Planar Object Surface Shape Speckle Pattern Deflectometry Based on Digital Image Correlation
图 & 表
图 1. 子集变形前后的示意图。(a)参考图;(b)形变图
Fig. 1. Schematic of subset before and after deformation. (a) Reference image; (b) deformed image
图 4. 图像形变示意图。(a)图像经参考面反射;(b)图像经被测面反射;(c)考察点位移
Fig. 4. Schematic of image deformation. (a) Image reflected by reference surface; (b) image reflected by surface to be tested; (c) displacement of inspection point
图 8. 实验中拍摄的图片(圆内区域用于面形测量)。(a)使用平面晶体时拍摄的散斑;(b)使用有机玻璃板时拍摄的散斑;(c) PMD中拍摄的条纹
Fig. 8. Pictures taken in experiment (inner circle area is used for surface measurement). (a) Captured using planar crystal; (b) speckles captured using acrylic plastic plate; (c) fringe captured in PMD
图 9. 有效区域内像素点的位移。(a) x方向上的位移;(b) y方向上的位移
Fig. 9. Displacement of pixel points in effective area. (a) Displacement in x direction; (b) displacement in y direction
图 10. 斜率测量结果。(a)(b) SPD测量得到的x方向与y方向斜率;(c)(d) PMD测量得到的x方向与y方向斜率
Fig. 10. Slope measurement results. (a)(b) Slope memeasured by SPD in x and y directions, respectively; (c)(d) slope measured by PMD in x and y directions, respectively
汤海潮, 李大海, 李磊, 陈鹏宇, 王瑞阳, 王琼华. 基于数字图像相关的平面物体面形散斑图形偏折术[J]. 光学学报, 2019, 39(2): 0212006. Haichao Tang, Dahai Li, Lei Li, Pengyu Chen, Ruiyang Wang, Qionghua Wang. Planar Object Surface Shape Speckle Pattern Deflectometry Based on Digital Image Correlation[J]. Acta Optica Sinica, 2019, 39(2): 0212006.