A model for suppressing stray light in astronomical images based on deep learning
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-78472-6
Abstract: Wide-Field Small Aperture Telescopes (WFSAT) are widely used for surveilling space objects. Due to their wide-field of view (FOV) characteristics, these telescopes can cover a large areas of the sky at once, improving observation efficiency.… read more here.
Keywords: stray light; astronomical images; suppressing stray; light astronomical ... See more keywords
Macroscopic structural light absorbers
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Physics"
DOI: 10.1063/5.0293446
Abstract: The interaction of light with optical and mechanical systems is influenced by material properties, geometrical configurations, and surface topographies. Designing these systems necessitates a careful balance of conflicting requirements, such as minimizing size and weight… read more here.
Keywords: structural light; stray light; light absorbers; light ... See more keywords
How Dark the Sky: The JWST Backgrounds
Sign Up to like & getrecommendations! Published in 2022 at "Publications of the Astronomical Society of the Pacific"
DOI: 10.1088/1538-3873/acbcf4
Abstract: We describe the sources of stray light and thermal background that affect JWST observations, report actual backgrounds as measured from commissioning and early-science observations, compare these background levels to prelaunch predictions, estimate the impact of… read more here.
Keywords: science; sky jwst; stray light; jwst ... See more keywords
Tunable Coherence Laser Interferometry: Demonstrating 40 dB of Stray Light Suppression and Compatibility with Resonant Optical Cavities.
Sign Up to like & getrecommendations! Published in 2025 at "Physical review letters"
DOI: 10.1103/physrevlett.134.213802
Abstract: A major limitation of laser interferometers using continuous wave lasers are parasitic light fields, such as ghost beams, scattered or stray light, that can cause nonlinear noise. This is especially relevant for laser interferometric ground-based… read more here.
Keywords: laser; length; stray light; coherence ... See more keywords
Stray Light Elimination Method Based on Recursion Multi-Scale Gray-Scale Morphology for Wide-Field Surveillance
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3053564
Abstract: The wide-field surveillance camera plays a critical role in space debris detection and the visible light situational awareness required for early warning. However, stray light in such a system has always been a serious problem.… read more here.
Keywords: surveillance; method; multi scale; stray light ... See more keywords
Real-Time Convolutional-Neural-Network-Based Star Detection and Centroiding Method for CubeSat Star Tracker
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2025.3542744
Abstract: Star trackers are one of the most accurate celestial sensors used for absolute attitude determination. The devices detect stars in captured images and accurately compute their projected centroids on an imaging focal plane with subpixel… read more here.
Keywords: detection; detection centroiding; star; convolutional neural ... See more keywords
Landsat 9 Thermal Infrared Sensor 2 (TIRS-2) Stray Light Mitigation and Assessment
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3177312
Abstract: The Thermal Infrared Sensor 2 (TIRS-2) payload for the Landsat 9 mission closely follows the design of the TIRS instrument currently flying aboard Landsat 8. The TIRS-2 instrument, however, incorporates an important design change to… read more here.
Keywords: tirs instrument; sensor tirs; design; stray light ... See more keywords
Automatic Internal Stray Light Calibration of AMCW Coaxial Scanning LiDAR Using Black and White Image Patterns
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3343786
Abstract: In this article, an automatic calibration method is proposed to reduce the depth error caused by internal stray light in amplitude-modulated continuous wave (AMCW) coaxial scanning light detection and ranging (LiDAR). Assuming that the internal… read more here.
Keywords: coaxial scanning; stray light; amcw coaxial; internal stray ... See more keywords
Internal Stray Light Suppression for Single-Band Bathymetric LiDAR Optical System
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2024.3441020
Abstract: The echo signals received by the optical system in light detection and ranging (LiDAR) are interfered with by diffusely reflected sunlight from the water surface and the backscattered laser from underwater. This fact makes it… read more here.
Keywords: stray; stray light; water; light suppression ... See more keywords
Nonuniformity correction scheme considering the effects of internal thermal stray light
Sign Up to like & getrecommendations! Published in 2017 at "Optical Engineering"
DOI: 10.1117/1.oe.56.1.013104
Abstract: Abstract. A stray light compensated nonuniformity correction (SLCNUC) method is proposed for infrared (IR) cameras. The proposed approach formulates thermal stray light compensation functions according to the internal temperature changes of the IR camera. To… read more here.
Keywords: stray; nonuniformity correction; stray light; thermal stray ... See more keywords
Stray light entrance pupil: an efficient tool for stray light characterization
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.2.025102
Abstract: Abstract. Stray light represents a major performance limitation for optical instruments. Analyses are done with ray-tracing software to evaluate the stray light performances of a design and, if necessary, improve it before manufacturing. Accurate simulations,… read more here.
Keywords: entrance pupil; efficient tool; stray light; light entrance ... See more keywords