Exploiting adaptive total variation model for image reconstruction from speckle patterns

Changmei Gong; Xiaopeng Shao; Tengfei Wu

doi:10.1117/12.2032623

23 August 2013 Exploiting adaptive total variation model for image reconstruction from speckle patterns

Changmei Gong, Xiaopeng Shao, Tengfei Wu

Proceedings Volume 8911, International Symposium on Photoelectronic Detection and Imaging 2013: Micro/Nano Optical Imaging Technologies and Applications; 891107 (2013) https://doi.org/10.1117/12.2032623
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

Due to the multiple scattering of light in turbid media such as biological tissues, the image of target becomes highly deteriorated even disappears entirely. The adaptive total variation (ATV) image reconstruction algorithm, which is based on majorization-minimization approach together with Bayesian framework, is utilized to recover the object from its speckle pattern. Numerical simulation results indicates that, compared with Tikhonov regularization method, the ATV approach can effectively suppress the noise of the restored image and preserve more image details as well, consequently greatly boosts the SNR and the sharpness of the result image. Furthermore, the recovered results by ATV algorithm have overcome the diffraction-limit of the conventional optical system. Consequently, the combination of ATV algorithm with multiple scattering of turbid media will be beneficial to the observation of cells and protein molecules in biological tissues and other structures in micro/nano scale.

Citation Download Citation

Changmei Gong, Xiaopeng Shao, and Tengfei Wu "Exploiting adaptive total variation model for image reconstruction from speckle patterns", Proc. SPIE 8911, International Symposium on Photoelectronic Detection and Imaging 2013: Micro/Nano Optical Imaging Technologies and Applications, 891107 (23 August 2013); https://doi.org/10.1117/12.2032623

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KEYWORDS

Image restoration

Speckle pattern

Signal to noise ratio

Reconstruction algorithms

Multiple scattering

Tissues

Detection and tracking algorithms

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