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View article: Computational Optical Sectioning in Fresnel Incoherent Correlation Holography
Computational Optical Sectioning in Fresnel Incoherent Correlation Holography Open
Fresnel incoherent correlation holography (FINCH) is a widely used incoherent digital holography technique. FINCH has a higher lateral resolution but a lower axial resolution compared to those of direct imaging methods with the same numeri…
View article: Digital Scale: Open-Source On-Device BMI Estimation from Smartphone Camera Images Trained on a Large-Scale Real-World Dataset
Digital Scale: Open-Source On-Device BMI Estimation from Smartphone Camera Images Trained on a Large-Scale Real-World Dataset Open
Estimating Body Mass Index (BMI) from camera images with machine learning models enables rapid weight assessment when traditional methods are unavailable or impractical, such as in telehealth or emergency scenarios. Existing computer visio…
View article: How phase-only spatial light modulators can help with optical imaging
How phase-only spatial light modulators can help with optical imaging Open
View article: Single shot polarization resolved coded aperture imaging
Single shot polarization resolved coded aperture imaging Open
View article: Recent Advances in Spatially Incoherent Coded Aperture Imaging Technologies
Recent Advances in Spatially Incoherent Coded Aperture Imaging Technologies Open
Coded aperture imaging (CAI) is a powerful imaging technology that has rapidly developed during the past decade. CAI technology and its integration with incoherent holography have led to the development of several cutting-edge imaging tool…
View article: Recent Advances in Spatially Incoherent Coded Aperture Imaging Technologies
Recent Advances in Spatially Incoherent Coded Aperture Imaging Technologies Open
Coded aperture imaging (CAI) is a powerful imaging technology that has rapidly developed during the past decade. CAI technology and its integration with incoherent holography have led to the development of several cutting-edge imaging tool…
View article: Spatio-Spectral Correlations in Interferenceless Coded Aperture Correlation Holography with Vortex Speckles
Spatio-Spectral Correlations in Interferenceless Coded Aperture Correlation Holography with Vortex Speckles Open
Interferenceless coded aperture correlation holography (I-COACH) is a computational imaging method that enables three-dimensional information of an object to be obtained without the need for two-beam interference. For the first time, in th…
View article: Multiple Incoherent Deconvolutions for Improving the Image Resolution of Diffraction‐Limited Imaging Systems
Multiple Incoherent Deconvolutions for Improving the Image Resolution of Diffraction‐Limited Imaging Systems Open
A new method of imaging with enhanced resolution beyond the diffraction limit is proposed and demonstrated. The target is imaged multiple times, each time with a different phase mask on the aperture of the imaging system. Nonlinear Wiener …
View article: Interferenceless coded aperture correlation holography for five-dimensional imaging of 3D space, spectrum and polarization
Interferenceless coded aperture correlation holography for five-dimensional imaging of 3D space, spectrum and polarization Open
Interferenceless coded aperture correlation holography (I-COACH) is a robust imaging technique for recovering three-dimensional object information using incoherent holography without two-beam interference. In this study, five-dimensional (…
View article: Interferenceless coded aperture correlation holography for five-dimensional imaging of 3D space, spectrum and polarization
Interferenceless coded aperture correlation holography for five-dimensional imaging of 3D space, spectrum and polarization Open
Interferenceless coded aperture correlation holography (I-COACH) is a robust imaging technique for recovering three-dimensional object information using incoherent holography without two-beam interference. In this study, five-dimensional (…
View article: Coded aperture imaging using non-linear Lucy-Richardson algorithm
Coded aperture imaging using non-linear Lucy-Richardson algorithm Open
View article: Roadmap on computational methods in optical imaging and holography [invited]
Roadmap on computational methods in optical imaging and holography [invited] Open
View article: Fresnel incoherent compressive holography toward 3D videography via dual-channel simultaneous phase-shifting interferometry
Fresnel incoherent compressive holography toward 3D videography via dual-channel simultaneous phase-shifting interferometry Open
Fresnel incoherent correlation holography (FINCH) enables high-resolution 3D imaging of objects from several 2D holograms under incoherent light and has many attractive applications in motionless 3D fluorescence imaging. However, FINCH has…
View article: Optical Imaging Using Coded Aperture Correlation Holography (COACH) with PSF of Spatial-Structured Longitudinal Light Beams—A Study Review
Optical Imaging Using Coded Aperture Correlation Holography (COACH) with PSF of Spatial-Structured Longitudinal Light Beams—A Study Review Open
Spatial-structured longitudinal light beams are optical fields sculpted in three-dimensional (3D) space by diffractive optical elements. These beams have been recently suggested for use in improving several imaging capabilities, such as 3D…
View article: Super-Resolution Correlating Optical Endoscopy
Super-Resolution Correlating Optical Endoscopy Open
Optical endoscopy is a widely used minimally invasive diagnostic tool for imaging internal organs. The imaging resolution is defined by the numerical aperture of the objective lens. In this study, we proposed and demonstrated a Super-resol…
View article: Coded Aperture Imaging Using Non-Linear Lucy-Richardson Algorithm
Coded Aperture Imaging Using Non-Linear Lucy-Richardson Algorithm Open
View article: Optical Imaging Using Coded Aperture Correlation Holography (COACH) With PSF of Spatial-Structured Longitudinal Light Beams – A Study Review
Optical Imaging Using Coded Aperture Correlation Holography (COACH) With PSF of Spatial-Structured Longitudinal Light Beams – A Study Review Open
Spatial-structured longitudinal light beams are optical fields sculpted in three-dimensional (3D) space by diffractive optical elements. These beams have been recently suggested for use in im-proving several imaging capabilities, such as 3…
View article: Resolution-enhanced imaging by interferenceless coded aperture correlation holography with two competing methods of phase mask synthesis
Resolution-enhanced imaging by interferenceless coded aperture correlation holography with two competing methods of phase mask synthesis Open
Introducing a scattering phase mask between an object and an objective lens can improve the imaging resolution of a maskless system. The resolution enhancement is achieved using the technique of interferenceless coded aperture correlation …
View article: Coded Aperture-Based Self-wavefront Interference Using Transverse Splitting Holography
Coded Aperture-Based Self-wavefront Interference Using Transverse Splitting Holography Open
Self-wavefront interference transverse splitting holography (SWITSH) is a recently developed holographic technique to solve a fundamental problem in the manufacturing of large-area diffractive lenses. In SWITSH, a low NA diffractive lens m…
View article: Incoherent nonlinear deconvolution using an iterative algorithm for recovering limited-support images from blurred digital photographs
Incoherent nonlinear deconvolution using an iterative algorithm for recovering limited-support images from blurred digital photographs Open
Recovering original images from blurred images is a challenging task. We propose a new deconvolution method termed incoherent nonlinear deconvolution using an iterative algorithm (INDIA). Two inputs are introduced into the algorithm: one i…
View article: Incoherent nonlinear deconvolution using an iterative algorithm for recovering limited-support images from blurred digital photographs
Incoherent nonlinear deconvolution using an iterative algorithm for recovering limited-support images from blurred digital photographs Open
Recovering original images from blurred images is a challenging task. We propose a new deconvolution method termed incoherent nonlinear deconvolution using an iterative algorithm (INDIA). Two inputs are introduced into the algorithm: one i…
View article: Incoherent nonlinear deconvolution using an iterative algorithm for recovering limited-support images from blurred digital photographs
Incoherent nonlinear deconvolution using an iterative algorithm for recovering limited-support images from blurred digital photographs Open
Recovering original images from blurred images is a challenging task. We propose a new deconvolution method termed incoherent nonlinear deconvolution using an iterative algorithm (INDIA). Two inputs are introduced into the algorithm: one i…
View article: Self-wavefront interference using transverse splitting holography
Self-wavefront interference using transverse splitting holography Open
Manufacturing diffractive lenses with a high Numerical Aperture (NA) is a challenging task due to limitations in lithography methods and the inverse relation between the width and the radius of the zones. With low-resolution lithography te…
View article: Multi-wavelength imaging with extended depth of field using coded apertures and radial quartic phase functions
Multi-wavelength imaging with extended depth of field using coded apertures and radial quartic phase functions Open
This study demonstrates a new multi-wavelength imaging technique with an extended depth of field. The spatial and spectral information of the objects is encoded into a single bipolar function of sparse dots using coded phase masks (CPMs) a…
View article: 3D incoherent imaging using an ensemble of sparse self-rotating beams
3D incoherent imaging using an ensemble of sparse self-rotating beams Open
Interferenceless coded aperture correlation holography (I-COACH) is one of the simplest incoherent holography techniques. In I-COACH, the light from an object is modulated by a coded mask, and the resulting intensity distribution is record…
View article: Holographic solution to a fundamental problem in diffractive optics: resolution beyond diffraction and lithography limits
Holographic solution to a fundamental problem in diffractive optics: resolution beyond diffraction and lithography limits Open
Manufacturing diffractive lenses with a high numerical aperture (NA) is often a challenging task. The challenge stems from the fundamental limit of lithography techniques and the diffraction limit. Photolithography and femtosecond ablation…
View article: Enhanced design of pure phase greyscale diffractive optical elements by phase retrieval assisted multiplexing of complex functions
Enhanced design of pure phase greyscale diffractive optical elements by phase retrieval assisted multiplexing of complex functions Open
Designing a pure phase multifunctional diffractive optical element (M-DOE) is a challenging task, as the regular summation of multiple pure phase functions results in a complex function. One of the widely used multiplexing methods to desig…
View article: Enhanced design of multiplexed coded masks for Fresnel incoherent correlation holography
Enhanced design of multiplexed coded masks for Fresnel incoherent correlation holography Open
View article: 3D Incoherent Imaging Using an Ensemble of Sparse Self-Rotating Beams
3D Incoherent Imaging Using an Ensemble of Sparse Self-Rotating Beams Open
Interferenceless coded aperture correlation holography (I-COACH) is one of the simplest incoherent holography techniques. In I-COACH, the light from an object is modulated by a coded mask, and the resulting intensity distribution is record…
View article: 3D Incoherent Imaging Using an Ensemble of Sparse Self-Rotating Beams
3D Incoherent Imaging Using an Ensemble of Sparse Self-Rotating Beams Open
Interferenceless coded aperture correlation holography (I-COACH) is one of the simplest incoherent holography techniques. In I-COACH, the light from an object is modulated by a coded mask, and the resulting intensity distribution is record…