OpticsInfoBase

Fourier–Bessel rotational invariant eigenimages

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• JOSA A, Vol. 30 Issue 5, pp.871-877 (2013)
• Zhao, Zhizhen; Singer, Amit
• We present an efficient and accurate algorithm for principal component analysis (PCA) of a large set of two-dimensional images and, for each image, the set of its uniform rotations in...

Signal restoration combining Tikhonov regularization and multilevel method with thresholding strategy

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• JOSA A, Vol. 30 Issue 5, pp.948-955 (2013)
• Deng, Liang-Jian; Huang, Ting-Zhu; Zhao, Xi-Le; Zhao, Liang; Wang, Si
• Singular value decomposition (SVD)-based approaches, e.g., truncated SVD and Tikhonov regularization methods, are effective ways to solve problems of small or moderate size. However,...

Entanglement dynamics and position-momentum entropic uncertainty relation of a Λ-type three-level atom interacting with a two-mode cavity field in the presence of nonlinearities

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• JOSA B, Vol. 30 Issue 5, pp.1109-1117 (2013)
• Faghihi, M J; Tavassoly, M K; Hooshmandasl, M R
• In this paper, the interaction between a Λ-type three-level atom and a two-mode cavity field is discussed. The detuning parameters and cross-Kerr nonlinearity are taken into...

Automatic salient object detection via maximum entropy estimation

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• Optics Letters, Vol. 38 Issue 10, pp.1727-1729 (2013)
• Chen, Xiao; Zhao, Hongwei; Liu, Pingping; Zhou, Baoyu; Ren, Weiwu
• This Letter proposes a rapid method for automatic salient object detection inspired by the idea that an image consists of redundant information and novelty fluctuations. We believe...

Digital holographic microscope for measurement of high gradient deep topography object based on superresolution concept

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• Optics Letters, Vol. 38 Issue 11, pp.1878-1880 (2013)
• Lizewski, Kamil; Kozacki, Tomasz; Kostencka, Julianna
• In this Letter, a novel concept based on superresolution technique that enables the measurement of high gradient and deep topography objects using digital holographic (DH) microscopy...

Total variation minimization approach in in-line x-ray phase-contrast tomography

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• Optics Express, Vol. 21 Issue 10, pp.12185-12196 (2013)
• Kostenko, Alexander; Batenburg, K Joost; King, Andrew; Offerman, S Erik; van Vliet, Lucas J
• The reconstruction problem in in-line X-ray Phase-Contrast Tomography is usually approached by solving two independent linearized sub-problems: phase retrieval and tomographic...

Experimental investigation of the quality of ghost imaging via sparsity constraints

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• Applied Optics, Vol. 52 Issue 15, pp.3510-3515 (2013)
• Gong, Wenlin; Bo, Zunwang; Li, Enrong; Han, Shensheng
• Sampling number and detection signal-to-noise ratio (SNR) are two major factors influencing imaging quality. Combining the image’s sparsity in the representation basis with the...

Cascaded diffractive optical elements for improved multiplane image reconstruction

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• Applied Optics, Vol. 52 Issue 15, pp.3608-3616 (2013)
• Gülses, A Alkan; Jenkins, B Keith
• Computer-generated phase-only diffractive optical elements in a cascaded setup are designed by one deterministic and one stochastic algorithm for multiplane image formation. It is...