Nonlinear reconstruction of images from patterns generated by deterministic or random optical masks—concepts and review of research
Indirect-imaging methods involve at least two steps, namely optical recording and
computational reconstruction. The optical-recording process uses an optical modulator that …
computational reconstruction. The optical-recording process uses an optical modulator that …
Phase recovery with intensity and polarization correlation
The challenge of phase recovery from the experimentally available magnitude of the signal
appears in various fields of science and engineering. To prepare a broad framework and …
appears in various fields of science and engineering. To prepare a broad framework and …
3D single shot lensless incoherent optical imaging using coded phase aperture system with point response of scattered airy beams
Interferenceless coded aperture correlation holography (I-COACH) techniques have
revolutionized the field of incoherent imaging, offering multidimensional imaging capabilities …
revolutionized the field of incoherent imaging, offering multidimensional imaging capabilities …
Tuning axial resolution independent of lateral resolution in a computational imaging system using Bessel speckles
V Anand - Micromachines, 2022 - mdpi.com
Speckle patterns are formed by random interferences of mutually coherent beams. While
speckles are often considered as unwanted noise in many areas, they also formed the …
speckles are often considered as unwanted noise in many areas, they also formed the …
Lensless computationally defined confocal incoherent imaging with a Fresnel zone plane as coded aperture
J Chen, F Wang, Y Li, X Zhang, K Yao, Z Guan, X Liu - Optics Letters, 2023 - opg.optica.org
We present a Fresnel zone plate (FZP) mask-based system for single-shot lensless confocal
imaging. The system uses an FZP as coded aperture, which allows each point source to cast …
imaging. The system uses an FZP as coded aperture, which allows each point source to cast …
Displacement-sensible imaging through unknown scattering media via physics-aware learning
Imaging through unstable scattering scenes is a challenging task and the focus of attention.
More computational techniques and optimization methods have been introduced in objects …
More computational techniques and optimization methods have been introduced in objects …
Holography with higher-order Stokes correlation
We present and experimentally demonstrate a holography technique with a higher-order
Stokes correlation of the random light field. The proposed technique is capable to …
Stokes correlation of the random light field. The proposed technique is capable to …
Recording of incoherent vector holograms using elements of the spatial cross-spectral density matrix
We present an approach to record incoherent vector holograms using a highly stable field-
based interferometer employing radial shearing. The vector holograms are recorded as the …
based interferometer employing radial shearing. The vector holograms are recorded as the …
[HTML][HTML] Holographic 3D imaging through random media: methodologies and challenges
M Takeda, W Osten, E Watanabe - Light: Advanced Manufacturing, 2022 - light-am.com
Imaging through random media continues to be a challenging problem of crucial importance
in a wide range of fields of science and technology, ranging from telescopic imaging through …
in a wide range of fields of science and technology, ranging from telescopic imaging through …
On-axis phase-shifting correlation holography with un-polarized light
We propose and experimentally demonstrate an on-axis phase-shifting correlation
holography technique with un-polarized light. The randomness of the un-polarized light is …
holography technique with un-polarized light. The randomness of the un-polarized light is …