Imaging spectroscopy
View article: Shortwave Infrared Microimaging Spectroscopy of the Martian Meteorites Software
Shortwave Infrared Microimaging Spectroscopy of the Martian Meteorites Software Open
Until samples from the Martian surface are successfully brought to Earth, meteorites represent the only opportunity to perform laboratory analyses on Martian material. Microimaging spectroscopy of the Martian meteorite suite provides a val…
View article: Dual-band spectral filter array integrated with a telecentric lens for real-time surface plasmon resonance sensing and imaging
Dual-band spectral filter array integrated with a telecentric lens for real-time surface plasmon resonance sensing and imaging Open
Multispectral and hyperspectral imaging have been extensively applied in various imaging domains, where spectral channels with narrow bandwidths provide detailed information for optical signal analysis. The integration of multi-channel fil…
View article: Zn2+-doping enhances optically stimulated aggregation-induced emission
Zn2+-doping enhances optically stimulated aggregation-induced emission Open
This dataset comprises spectra and images of photoresists doped with aggregation-induced emission luminogens and Zn²⁺ at various weight percentages. Confocal fluorescence imaging was conducted on a Leica TCS SP8 microscope under 470 nm exc…
View article: Advancing Hyperspectral LWIR Imaging of Soils with a Controlled Laboratory Setup
Advancing Hyperspectral LWIR Imaging of Soils with a Controlled Laboratory Setup Open
This study introduces a controlled laboratory setup for hyperspectral longwave infrared (LWIR) imaging of soils, designed to bridge the gap between laboratory measurements and remote sensing observations. A Fourier-transform hyperspectral …
View article: Evaluating multi-resolution remote sensing data - A knowledge-driven approach to geological remote sensing in a high-sulphidation epithermal system
Evaluating multi-resolution remote sensing data - A knowledge-driven approach to geological remote sensing in a high-sulphidation epithermal system Open
This PhD research develops and tests a resolution-first, knowledge-based framework for characterising a high-sulphidation epithermal system using geological remote sensing. The study focuses on a single lithocap environment and uses labora…
View article: Evaluating multi-resolution remote sensing data - A knowledge-driven approach to geological remote sensing in a high-sulphidation epithermal system
Evaluating multi-resolution remote sensing data - A knowledge-driven approach to geological remote sensing in a high-sulphidation epithermal system Open
This PhD research develops and tests a resolution-first, knowledge-based framework for characterising a high-sulphidation epithermal system using geological remote sensing. The study focuses on a single lithocap environment and uses labora…
View article: Liquid Crystal Metasurface Enabled Hyperspectral Single-pixel Imaging
Liquid Crystal Metasurface Enabled Hyperspectral Single-pixel Imaging Open
Near-infrared (NIR) hyperspectral imaging emerges as a versatile, non-destructive method for material characterisation by acquiring spatial-spectral data cubes. Yet, conventional implementations demand costly InGaAs focal-plane arrays and …
View article: Pile-up simulator for XRISM/Xtend onboard the X-ray Imaging and Spectroscopy Mission (XRISM)
Pile-up simulator for XRISM/Xtend onboard the X-ray Imaging and Spectroscopy Mission (XRISM) Open
In X-ray astronomy, most observatories utilize multi-pixel photon-counting devices. When a photon counting device observes a bright source, we face an unavoidable problem called pile-up. Pile-up leads to mistakes in the observational prope…
View article: Spatially Resolved Plasma Diagnostics of the Supernova Remnant DEM L71 using the Reflection Grating Spectrometer
Spatially Resolved Plasma Diagnostics of the Supernova Remnant DEM L71 using the Reflection Grating Spectrometer Open
We present a spatially resolved high-resolution X-ray spectroscopy of the supernova remnant DEM L71 using the Reflection Grating Spectrometer (RGS) aboard XMM-Newton. Because of the large dispersion angle of the RGS, we are able to resolve…
View article: Pile-up simulator for XRISM/Xtend onboard the X-ray Imaging and Spectroscopy Mission
Pile-up simulator for XRISM/Xtend onboard the X-ray Imaging and Spectroscopy Mission Open
View article: mkemalemil/SpectralViewer: A web application for interactive visualization of imaging spectroscopy data and spectral library references
mkemalemil/SpectralViewer: A web application for interactive visualization of imaging spectroscopy data and spectral library references Open
A web application for visualizing imaging spectroscopy data alongside spectral library signatures
View article: The Carbon Mapper emissions monitoring system
The Carbon Mapper emissions monitoring system Open
The Carbon Mapper emissions monitoring system contributes to the broader ecosystem of greenhouse gas observations by locating and quantifying CH4 and CO2 super emitters at facility scale across priority regions globally and making the data…
View article: mkemalemil/SpectralViewer: A web application for interactive visualization of imaging spectroscopy data and spectral library references
mkemalemil/SpectralViewer: A web application for interactive visualization of imaging spectroscopy data and spectral library references Open
A web application for visualizing imaging spectroscopy data alongside spectral library signatures
View article: RamanMAE: MaskedAutoencoders Enable Efficient MolecularImaging by Learning Biologically Meaningful Spectral Representations
RamanMAE: MaskedAutoencoders Enable Efficient MolecularImaging by Learning Biologically Meaningful Spectral Representations Open
Traditional histopathological analysis of cells and tissue relies on morphological features from stained biopsy samples, which fail to leverage the wealth of chemical information about the underlying pathological states. Raman spectroscopy…
View article: Leaf Diffuse Reflectance Spectroscopy for Early Detection of Ceratocystis Wilt in Eucalyptus Cuttings
Leaf Diffuse Reflectance Spectroscopy for Early Detection of Ceratocystis Wilt in Eucalyptus Cuttings Open
The increasing global demand for products derived from Eucalyptus spp. has stimulated its production in Brazil. However, productivity has declined in recent years due to multiple factors, with Ceratocystis wilt among the major causes. Conv…
View article: Leaf Diffuse Reflectance Spectroscopy for Early Detection of Ceratocystis Wilt in Eucalyptus Cuttings
Leaf Diffuse Reflectance Spectroscopy for Early Detection of Ceratocystis Wilt in Eucalyptus Cuttings Open
The increasing global demand for products derived from Eucalyptus spp. has stimulated its production in Brazil. However, productivity has declined in recent years due to multiple factors, with Ceratocystis wilt among the major causes. Conv…
View article: Leaf Diffuse Reflectance Spectroscopy for Early Detection of Ceratocystis Wilt in Eucalyptus Cuttings
Leaf Diffuse Reflectance Spectroscopy for Early Detection of Ceratocystis Wilt in Eucalyptus Cuttings Open
The increasing global demand for products derived from Eucalyptus spp. has stimulated its production in Brazil. However, productivity has declined in recent years due to multiple factors, with Ceratocystis wilt among the major causes. Conv…
View article: Fix or Freeze? Spectral Differences Arising from Tissue Preparation in Chemical Imaging
Fix or Freeze? Spectral Differences Arising from Tissue Preparation in Chemical Imaging Open
Spectrochemical imaging has emerged as a powerful, label-free modality for visualizing the bio-chemical composition of tissues based on intrinsic vibrational signatures. Specifically, mid-infrared spectrochemical imaging (MIRSI) is becomin…
View article: Nikon C2Si Upright Confocal Microscope
Nikon C2Si Upright Confocal Microscope Open
General descriptionThis microscope is an upright confocal with powerful and robust imaging capabilities. Images are high-quality with low-noise, and high-contrast thanks to high-efficiency scan heads and detectors, coupled with Nikon’s hig…
View article: Spectral component imaging of solar X-ray flares
Spectral component imaging of solar X-ray flares Open
Solar hard X-ray observations provide diagnostics of the hottest plasmas and of nonthermal electron populations present during solar flares and coronal mass ejections. HXR images of specific energy ranges often contain overlapping contribu…
View article: Spectral component imaging of solar X-ray flares
Spectral component imaging of solar X-ray flares Open
Solar hard X-ray observations provide diagnostics of the hottest plasmas and of nonthermal electron populations present during solar flares and coronal mass ejections. HXR images of specific energy ranges often contain overlapping contribu…
View article: Diffusion-T2 correlated spectroscopy imaging to explore possible placental composition changes over gestation
Diffusion-T2 correlated spectroscopy imaging to explore possible placental composition changes over gestation Open
Comprehensive information on evolution of placenta composition with gestation could be provided by DT2SI, suggesting its unique value for assessing placental function during pregnancy.
View article: Doppler imaging combined with high-cadence photometry. I. Revisiting the surface of a pre-main-sequence flare star
Doppler imaging combined with high-cadence photometry. I. Revisiting the surface of a pre-main-sequence flare star Open
Latitude distribution of stellar magnetic activity is not well constrained by observations, despite its importance for a better understanding of stellar dynamos. We aim to obtain an accurate reconstruction of the surface spot distribution …
View article: High frame rate RIXS spectroscopy using a JUNGFRAU detector with an iLGAD sensor
High frame rate RIXS spectroscopy using a JUNGFRAU detector with an iLGAD sensor Open
Resonant inelastic X-ray scattering (RIXS) is a powerful photon-in, photon-out spectroscopy technique for probing electronic, magnetic, and lattice excitations in matter. Time-resolved RIXS extends this capability through a stroboscopic op…
View article: High frame rate RIXS spectroscopy using a JUNGFRAU detector with an iLGAD sensor
High frame rate RIXS spectroscopy using a JUNGFRAU detector with an iLGAD sensor Open
Resonant inelastic X-ray scattering (RIXS) is a powerful photon-in, photon-out spectroscopy technique for probing electronic, magnetic, and lattice excitations in matter. Time-resolved RIXS extends this capability through a stroboscopic op…
View article: Doppler imaging combined with high-cadence photometry. I. Revisiting the surface of a pre-main-sequence flare star
Doppler imaging combined with high-cadence photometry. I. Revisiting the surface of a pre-main-sequence flare star Open
Latitude distribution of stellar magnetic activity is not well constrained by observations, despite its importance for a better understanding of stellar dynamos. We aim to obtain an accurate reconstruction of the surface spot distribution …
View article: Improved Atmospheric Correction for Remote Imaging Spectroscopy Missions with Accelerated Optimal Estimation
Improved Atmospheric Correction for Remote Imaging Spectroscopy Missions with Accelerated Optimal Estimation Open
Space-based imaging spectrometers that monitor the Earth’s surface generate vast amounts of data, the processing of which requires fast and accurate retrieval algorithms. Estimating scientifically relevant surface properties from remotely …
View article: Clinical diagnostic applications of spectral imaging by material separation and quantification
Clinical diagnostic applications of spectral imaging by material separation and quantification Open
Die spektrale Bildgebung erlaubt die Differenzierung und Quantifizierung von unterschiedlichen Materialien oder Substanzen im menschlichen Körper durch spektrale Computertomografien oder spektrale Röntgenaufnahmen. Diese Arbeit untersucht …
View article: Dynamic Spectral Decomposition and Phase-Resolved Fluid Characterization via High-Pressure Raman Spectroscopy: A Predictive Modeling Approach
Dynamic Spectral Decomposition and Phase-Resolved Fluid Characterization via High-Pressure Raman Spectroscopy: A Predictive Modeling Approach Open
**Abstract:** This paper proposes a novel methodology for characterizing deep Earth fluids using high-pressure Raman spectroscopy (HPRS), focusing on dynamic spectral decomposition and phase-resolved fluid characterization informed by pred…
View article: Hyperspectral Imaging for the Quantification of Soil Organic Carbon—a Proximal Sensing Experiment Reflecting the Importance of Using Pure Soil Data in Vis-NIR-SWIR Soil Spectroscopy
Hyperspectral Imaging for the Quantification of Soil Organic Carbon—a Proximal Sensing Experiment Reflecting the Importance of Using Pure Soil Data in Vis-NIR-SWIR Soil Spectroscopy Open
Proximally sensed hyperspectral images of soil surfaces provide fine-scale pixel information that might be used for the removal of spectrally disturbing effects induced by roughness or the presence of non-soil materials and thus could allo…