Coded Aperture Imaging for Electron Pitch Angle Observations
Sign Up to like & getrecommendations! Published in 2024 at "Earth and Space Science"
DOI: 10.1029/2024ea003641
Abstract: This study evaluates the coded aperture imaging method for pitch angle observations of magnetospheric energetic electrons in the solar, Earth, and planetary space environments. We present a review of key previous energetic electron instruments with… read more here.
Keywords: aperture; pitch angle; aperture imaging; angle observations ... See more keywords
Swept coded aperture real-time femtophotography
Sign Up to like & getrecommendations! Published in 2024 at "Nature Communications"
DOI: 10.1038/s41467-024-45820-z
Abstract: Single-shot real-time femtophotography is indispensable for imaging ultrafast dynamics during their times of occurrence. Despite their advantages over conventional multi-shot approaches, existing techniques confront restricted imaging speed or degraded data quality by the deployed optoelectronic… read more here.
Keywords: coded aperture; swept coded; real time; time femtophotography ... See more keywords
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
Quantitative gamma-ray imaging with coded aperture method
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-97206-w
Abstract: The radiation imaging and intensity quantification of radioactive material is attracting increasing attention in numerous applications including radiological source investigation, radiation safety, nuclear security, nuclear facility maintenance and decommissioning. Here, quantitative intensity measurement of the… read more here.
Keywords: gamma ray; coded aperture; quantitative gamma; ray imaging ... 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
Study of the reconstruction quality of coded aperture time-compressed imaging
Sign Up to like & getrecommendations! Published in 2025 at "Optical Engineering"
DOI: 10.1117/1.oe.64.11.118105
Abstract: Abstract. Imaging with both high temporal and high spatial resolution has become challenging due to the limitations of sensor data storage and readout speeds. Coded aperture compressive temporal imaging (CACTI), a technique within snapshot compressive… read more here.
Keywords: quality; system; high speed; speed ... 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