光学学报, 2020, 40 (10): 1011002, 网络出版: 2020-04-28
基于粒子群优化算法的光学相干层析像差校正方法 下载: 1240次
An Optical Coherence Tomographic Aberration Correction Method Based on the Particle Swarm Optimization Algorithm
图 & 表
图 3. 离焦波前像差仿真实验结果。(a)仅加载离焦波前;(b)模糊图像;(c)复原波前残差分布;(d)消去离焦像差清晰图像
Fig. 3. Simulation results of defocused wavefront aberration. (a) Loaded defocused wavefront; (b) blurred image; (c) recovered wavefront residual distribution; (d) defocused image
图 4. 低阶混合波前像差仿真实验结果。(a)加载低阶混合像差的波前像差;(b)模糊图像;(c)(d)图像信息熵作为评价指标的复原波前残差分布与清晰图像;(e)(f)图像清晰度作为评价指标的复原波前残差分布与清晰图像
Fig. 4. Simulation results of low-order mixed wavefront aberration. (a) Loaded low-order mixed wavefront aberration; (b) blurred image; (c)(d) reconstructed wavefront residual distribution and clear image with image information entropy as evaluation index; (e)(f) reconstructed wavefront residual distribution and clear image with image claritas evaluation index
图 5. 加载与复原的波前像差泽尼克多项式系数对比图
Fig. 5. Comparison of Zernike polynomials coefficients of wavefront aberration loaded and restored
图 6. 洋葱细胞实验图像。(a) OCT断层图; (b) en-face图像
Fig. 6. Experimental images of onion cells. (a) OCT tomogram; (b) en-face image
图 7. 洋葱细胞实验图像。(a)待校正像差模糊图像; (b)清晰图像
Fig. 7. Onion tissue cell images. (a) Blurred image to be corrected; (b) clear image
表 1校正模拟仿真波前像差的效率分析
Table1. Efficiency analysis of correcting wavefront aberrations of simulation
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毕津慈, 高志山, 朱丹, 马剑秋, 袁群, 郭珍艳, 屈艺, 殷长俊, 徐尧. 基于粒子群优化算法的光学相干层析像差校正方法[J]. 光学学报, 2020, 40(10): 1011002. Jinci Bi, Zhishan Gao, Dan Zhu, Jianqiu Ma, Qun Yuan, Zhenyan Guo, Yi Qu, Changjun Yin, Yao Xu. An Optical Coherence Tomographic Aberration Correction Method Based on the Particle Swarm Optimization Algorithm[J]. Acta Optica Sinica, 2020, 40(10): 1011002.