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Active sparse aperture imaging using independent transmitter modulation with improved incoherent Fourier ptychographic algorithm
Xie, Zongliang1,2,3; Ma, Haotong1,2,4; Qi, Bo1,2; Ren, Ge1,2,3; He, Xiaojun1,2,3; Dong, Li1,2,3; Tan, Yufeng1,2,3
2017
Source PublicationOptics Express
ISSN1094-4087
Volume25Issue:17Pages:20541-20555
AbstractOptical sparse aperture imaging shows great promise for the next generation of high resolution systems. In this paper, we propose and demonstrate an active sparse aperture imaging approach using independent transmitter modulation to digitally overcome phasing errors, correct aberrations, and further improve resolution. The reported imaging scheme consists of a general sparse aperture system and an active illumination unit, specifically an independent pattern projector. A series of raw images are captured with the projector scanned to illuminate the object. Based on the acquired data set, the improved incoherent Fourier ptychographic algorithm is utilized to reconstruct sparse aperture images with distortions removed and contrast enhanced. Furthermore, thanks to illumination pattern modulation, higher resolution beyond the diffraction limit of the synthetic aperture system is gained as a benefit. Good-quality and higher-resolution sparse aperture imagery obtained by employing our proposed technique in both simulation and experiment demonstrates the effectiveness. The reported approach may provide new insights to address the phasing and image restoration problems of sparse aperture systems in the transmitting path rather than only in the receiving path. © 2017 Optical Society of America.
KeywordDiffraction - Image reconstruction - Synthetic apertures - Transmitters
Indexed BySCI ; Ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8872
Collection光电工程总体研究室(一室)
Affiliation1.Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu; 610209, China;
2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China;
3.University of Chinese Academy of Sciences, Beijing; 100039, China;
4.College of Opto-Electronic Science and Engineering, National University of Defense Technology, Changsha; 410073, China
Recommended Citation
GB/T 7714
Xie, Zongliang,Ma, Haotong,Qi, Bo,et al. Active sparse aperture imaging using independent transmitter modulation with improved incoherent Fourier ptychographic algorithm[J]. Optics Express,2017,25(17):20541-20555.
APA Xie, Zongliang.,Ma, Haotong.,Qi, Bo.,Ren, Ge.,He, Xiaojun.,...&Tan, Yufeng.(2017).Active sparse aperture imaging using independent transmitter modulation with improved incoherent Fourier ptychographic algorithm.Optics Express,25(17),20541-20555.
MLA Xie, Zongliang,et al."Active sparse aperture imaging using independent transmitter modulation with improved incoherent Fourier ptychographic algorithm".Optics Express 25.17(2017):20541-20555.
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