Based on electro-optic phase modulation broadband synthetic aperture imaging lidar
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.167740
Abstract: Abstract This paper proposes a broadband synthetic aperture imaging lidar based on electro-optic phase modulation, which uses an electro-optic phase modulator to generate a series of broadband chirp signals after the narrow linewidth seed source… read more here.
Keywords: optic phase; aperture imaging; broadband synthetic; synthetic aperture ... See more keywords
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
Reweighted Total Variation Regularization Based on Split Bregman in Synthetic Aperture Imaging Radiometry
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3138859
Abstract: Synthetic aperture imaging radiometers (SAIRs) are a powerful tool for high-resolution imaging. The reconstruction process from the visibility function to the brightness temperature map in SAIRs has been demonstrated to be an ill-posed inverse problem.… read more here.
Keywords: reweighted total; total variation; synthetic aperture; aperture imaging ... See more keywords
Synthetic Aperture Imaging With Drones
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Computer Graphics and Applications"
DOI: 10.1109/mcg.2019.2896024
Abstract: Synthetic apertures sample the signal of wide aperture sensors with either arrays of static or single moving smaller aperture sensors whose individual signals are computationally combined to increase the resolution, depth-of-field, frame rate, contrast, and… read more here.
Keywords: aperture; aperture imaging; synthetic aperture; imaging drones ... See more keywords
Autofocusing for Synthetic Aperture Imaging Based on Pedestrian Trajectory Prediction
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Circuits and Systems for Video Technology"
DOI: 10.1109/tcsvt.2023.3314895
Abstract: Occlusions and complex backgrounds are common factors that hinder many computer vision applications. In a street scene, the challenge of accurately predicting pedestrian trajectories comes from the complexity of human behavior and the diversity of… read more here.
Keywords: pedestrian trajectory; synthetic aperture; aperture imaging; prediction ... See more keywords
Learnable reconstruction-based synthetic aperture imaging via Fourier ptychography.
Sign Up to like & getrecommendations! Published in 2025 at "Applied optics"
DOI: 10.1364/ao.559770
Abstract: Fourier ptychography (FP), a synthetic aperture imaging technique, has made significant progress in recent years. This technique effectively overcomes the aperture limitations of imaging systems, enabling imaging at a resolution beyond the original system's capabilities.… read more here.
Keywords: fourier ptychography; synthetic aperture; aperture imaging; reconstruction ... See more keywords
Programmable liquid crystal display based noise reduced dynamic synthetic coded aperture imaging camera (NoRDS-CAIC).
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.385547
Abstract: Besides traditional lens-based imaging techniques, coded aperture imaging (CAI) can also provide target images but without using any optical lenses, therefore it is another solution in imaging applications. Most CAI methods reconstruct target image only… read more here.
Keywords: aperture imaging; image; nords caic; coded aperture ... See more keywords
Non-iterative far-field synthetic aperture imaging via space-domain Kramers-Kronig relations.
Sign Up to like & getrecommendations! Published in 2025 at "Optics letters"
DOI: 10.1364/ol.551414
Abstract: Non-interferometric synthetic aperture imaging (SAI) shows significant potential in Earth observation, astronomy, and remote sensing. However, these methods often involve time-consuming processes for wave field acquisition and iterative image reconstruction. In this Letter, we present… read more here.
Keywords: synthetic aperture; aperture; far field; aperture imaging ... See more keywords
Fast Terahertz Coded-Aperture Imaging Based on Convolutional Neural Network
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app10082661
Abstract: Terahertz coded-aperture imaging (TCAI) has many advantages such as forward-looking imaging, staring imaging and low cost and so forth. However, it is difficult to resolve the target under low signal-to-noise ratio (SNR) and the imaging… read more here.
Keywords: aperture imaging; network; coded aperture; terahertz coded ... See more keywords
Imaging process and signal-to-noise ratio improvement of enhanced self-heterodyne synthetic aperture imaging ladar
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Optics Letters"
DOI: 10.3788/col201715.102801
Abstract: This Letter gives the general construction of an enhanced self-heterodyne synthetic aperture imaging ladar (SAIL) system, and proposes the principle of image processing. A point target is reconstructed in the enhanced self-heterodyne SAIL as well… read more here.
Keywords: enhanced self; aperture imaging; sail; self heterodyne ... See more keywords