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Fusion of Visible and Infrared Aerial Images from Uncalibrated Sensors Using Wavelet Decomposition and Deep Learning.
Sensors (Basel)
December 2024
Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO 65211, USA.
Multi-modal systems extract information about the environment using specialized sensors that are optimized based on the wavelength of the phenomenology and material interactions. To maximize the entropy, complementary systems operating in regions of non-overlapping wavelengths are optimal. VIS-IR (Visible-Infrared) systems have been at the forefront of multi-modal fusion research and are used extensively to represent information in all-day all-weather applications.
View Article and Find Full Text PDFElectron temperature measurement from neutral atomic tungsten emission line ratio.
Rev Sci Instrum
January 2025
University of Dayton Research Institute, Dayton, Ohio 45469, USA.
A method to determine electron temperature within a plasma by the spectral analysis of atomic tungsten emission has been explored. The technique was applied to a post-discharge region immediately following a high voltage nanosecond pulsed discharge in air with tungsten electrodes. Atomic tungsten lines are readily observed in the weak emission spectrum within the post-discharge region for many microseconds.
View Article and Find Full Text PDFDirect analysis of heavy metal elements in liquid water using femtosecond laser-induced breakdown spectroscopy for high-sensitivity detection.
Talanta
December 2024
Institute of Atomic and Molecular Physics, Jilin University, Changchun, 130012, China. Electronic address:
Laser-induced breakdown spectroscopy (LIBS) is a rapidly evolving in-situ multi-element analysis technique that has significantly advanced the field of liquid analysis. This study employs a femtosecond laser for quantitative analysis of heavy metals in flowing liquids, exploring its detection sensitivity and accuracy. Femtosecond pulsed laser excitation of water in a dynamic environment generates plasma while effectively preventing liquid splashing.
View Article and Find Full Text PDFPredicting the Invasiveness of Mixed Ground-Glass Nodules Based on Spectral Computed Tomography-Derived Parameters and Tumor Abnormal Protein Levels: Development and Validation of a Model.
Acad Radiol
January 2025
Department of Radiology, Shengjing Hospital of China Medical University, China (Y.Y., T.W.). Electronic address:
Rationale And Objectives: Mixed ground-glass nodules (mGGNs) are highly malignant and common nonspecific lung imaging findings. This study aimed to explore whether combining quantitative and qualitative spectral dual-layer detector-based computed tomography (SDCT)-derived parameters with serological tumor abnormal proteins (TAPs) and thymidine kinase 1 (TK1) expression enhances invasive mGGN diagnostic efficacy and to develop a joint diagnostic model.
Materials And Methods: This prospective study included patients with mGGNs undergoing preoperative triple-phase contrast-enhanced SDCT with TAP and TK1 tests.
IR-Driven Multisignal Conditioning for Multiplex Detection: Thermal-Responsive Triple DNA-Mediated Reconfigurable Photoelectrochemical/Photothermal Dual-Mode Strategy.
ACS Sens
January 2025
College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Changchun 130012, China.
Article Synopsis
- This research introduces a new integrated multitarget photoelectrochemical sensor that simplifies real-time detection by removing the need for complex equipment and time-consuming procedures.
- The method uses infrared-driven "four-to-one" multisignal conditioning to dynamically adapt the electrode interface for detecting multiple targets simultaneously, specifically utilizing copper sulfide quantum dots for improved signal generation.
- The sensor's effectiveness is demonstrated by successfully identifying the presence of antibiotics in real samples, showcasing its potential for rapid and eco-friendly applications in environmental, medical, and food safety testing.
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