LED-based digital hologram reconstruction by compressive sensing

Jiawen Weng; Chuping Yang; Yi Qin; Hai Li

doi:10.1117/12.2196902

8 October 2015 LED-based digital hologram reconstruction by compressive sensing

Jiawen Weng, Chuping Yang, Yi Qin, Hai Li

Proceedings Volume 9675, AOPC 2015: Image Processing and Analysis; 967505 (2015) https://doi.org/10.1117/12.2196902
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

LED-based digital hologram, considered as low-coherence digital hologram, is confined to in-line holography because the interference fringes could be observed only when the angle between the object and reference wave is small enough. So, phase-shifting technique is usually employed. But it is not fit for dynamic analysis for demanding more than one hologram. A numerical reconstruction method based on compressive sensing theory for single LED-based digital hologram is proposed to achieve dynamic analysis. By this method, the out-of-focus twin image and the coherent noise can be inhibited to some extent. The theory is presented in detail, and experimental result on LED-based digital holography with USAF pattern as test target, is performed to demonstrate the feasibility and validity of the method.

Citation Download Citation

Jiawen Weng, Chuping Yang, Yi Qin, and Hai Li "LED-based digital hologram reconstruction by compressive sensing", Proc. SPIE 9675, AOPC 2015: Image Processing and Analysis, 967505 (8 October 2015); https://doi.org/10.1117/12.2196902

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