Incoherent digital holograms acquired by interferenceless coded aperture correlation holography system without refractive lenses
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-11731-x
Abstract: We present a lensless, interferenceless incoherent digital holography technique based on the principle of coded aperture correlation holography. The acquired digital hologram by this technique contains a three-dimensional image of some observed scene. Light diffracted… read more here.
Keywords: interferenceless; correlation holography; coded aperture; aperture correlation ... See more keywords
Comparison of three reconstruction methods based on deconvolution, iterative algorithm and neural network for X-ray fluorescence imaging with coded aperture optics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Analytical Atomic Spectrometry"
DOI: 10.1039/d0ja00146e
Abstract: Superimposed images acquired by XRF with coded aperture optics can be recovered successfully iteratively. read more here.
Keywords: aperture optics; comparison three; coded aperture; optics ... See more keywords
A coded aperture microscope for X-ray fluorescence full-field imaging
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Synchrotron Radiation"
DOI: 10.1107/s1600577520012308
Abstract: First results from a 10 µm MURA coded aperture optic for a full-field X-ray fluorescence microscope are presented. read more here.
Keywords: full field; coded aperture; ray fluorescence;
Compressive Spectral Imaging via Misalignment Induced Equivalent Grayscale Coded Aperture
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2023.3247799
Abstract: Coded aperture snapshot spectral imager (CASSI) senses the spectral information of a 2-D scene and captures a set of coded measurement data that can be used to reconstruct the 3-D spatio-spectral datacube of the input… read more here.
Keywords: modulation; misalignment; cassi; coded aperture ... See more keywords
Colored Coded Aperture Design in Compressive Spectral Imaging via Minimum Coherence
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Computational Imaging"
DOI: 10.1109/tci.2017.2692649
Abstract: Colored coded aperture optimization in compressive spectral imaging is discussed. Based on the analysis of the coherence of the underlying sensing matrix, a general family of codes is derived. These designs lead to reconstructions of… read more here.
Keywords: compressive spectral; coded aperture; colored coded; spectral imaging ... See more keywords
Experiments with the laser-ablation-made modified uniformly redundant array coded aperture performed in the visible spectral range
Sign Up to like & getrecommendations! Published in 2019 at "Optical Engineering"
DOI: 10.1117/1.oe.58.11.113103
Abstract: Abstract. We describe the process of preparing an experimental study of a coded aperture in the visible spectral range. In the experiments, shadowgrams are supposed to be recorded with a conventional imaging sensor. A feature… read more here.
Keywords: aperture; spectral range; laser ablation; coded aperture ... See more keywords
Optimized reconstruction with noise suppression for interferenceless coded aperture correlation holography.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.381635
Abstract: A modified nonlinear reconstruction technique with a noise modulation parameter is proposed for interferenceless coded aperture correlation holography (I-COACH), and thus the signal-to-noise ratio of a reconstructed image is improved without sacrifice of the field… read more here.
Keywords: reconstruction; coded aperture; interferenceless coded; noise ... See more keywords
Contiguous perfect coded aperture patterns with high throughput.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.439798
Abstract: A method is described that mosaics linear uniformly redundant arrays and modified uniformly redundant arrays onto a square lattice to create coded aperture patterns of approximately 50% throughput that are contiguous, whereby every opaque element… read more here.
Keywords: aperture patterns; aperture; throughput contiguous; redundant arrays ... See more keywords
High-quality interferenceless coded aperture correlation holography with optimized high SNR holograms.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.444783
Abstract: Motivated by the key role of point spread function in an imaging system, we propose an interferenceless coded aperture correlation holographic (I-COACH) technology with low speckle and high energy efficiency annular sparse coded phase mask… read more here.
Keywords: aperture correlation; interferenceless coded; coded aperture; low speckle ... See more keywords
Single-shot blind deconvolution with coded aperture.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.460763
Abstract: In this paper, we present a method for single-shot blind deconvolution incorporating a coded aperture (CA). In this method, we utilize the CA, inserted on the pupil plane, as support constraints in blind deconvolution. Not… read more here.
Keywords: blind deconvolution; deconvolution; shot blind; coded aperture ... See more keywords
Adaptive reconstruction for coded aperture temporal compressive imaging.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.004940
Abstract: This paper presents an adaptive reconstruction method for coded aperture temporal compressive imaging. A pixel-wise equal-exposure coding strategy is first implemented to induce speckle-like features in the moving area of the measured image. A moving… read more here.
Keywords: reconstruction; aperture temporal; adaptive reconstruction; temporal compressive ... See more keywords