Fast multiple-scattering holographic tomography based on the wave propagation method

Suski Damian; Winnik Julianna; Kozacki Tomasz

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Fast multiple-scattering holographic tomography based on the wave propagation method

机译：基于波传播方法的快速多散射全息性断层扫描

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We develop a time-efficient computation scheme for a holographic tomography reconstruction technique that accounts for multiple scattering by applying the forward model based on the wave propagation method (WPM). The computational efficiency is achieved by employing adjoint equations for calculation of the gradient of the data fidelity term in the gradient descent optimization procedure. In the paper we provide a general computation scheme that is suitable for various forward models that can be represented in the form of an iterative equation. Next, we provide the complete solution for the time-efficient reconstruction utilizing WPM. In the considered reconstruction case, the proposed algorithm enables the 114-fold speed-up of computations with respect to the original tomographic method. (C) 2020 Optical Society of America

机译：我们通过基于波传播方法（WPM）应用前向模型来开发一项时间有效的计算方案，用于通过应用前向模型来计算多次散射。通过采用伴随方程来实现计算效率，以计算梯度下降优化过程中的数据保真术语的梯度。在本文中，我们提供了一种适用于可以以迭代方程的形式表示的各种前进模型的一般计算方案。接下来，我们为利用WPM提供较效重建的完整解决方案。在考虑的重建案例中，所提出的算法使得能够相对于原始断层法测定计算的114倍。（c）2020美国光学学会

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《Applied optics》 |2020年第5期|共7页
作者
Suski Damian; Winnik Julianna; Kozacki Tomasz;
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Warsaw Univ Technol Inst Automat Control &

Robot 8 Sw Andrzeja Boboli St PL-02525 Warsaw Poland;

Warsaw Univ Technol Inst Micromech &

Photon 8 Sw Andrzeja Boboli St PL-02525 Warsaw Poland;

Warsaw Univ Technol Inst Micromech &

Photon 8 Sw Andrzeja Boboli St PL-02525 Warsaw Poland;

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正文语种 eng
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Fast multiple-scattering holographic tomography based on the wave propagation method

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