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Journal articles on the topic 'SWIR imaging'

Author: Grafiati

Published: 6 July 2024

Last updated: 31 July 2025

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1

Carr, Jessica A., Daniel Franke, Justin R. Caram, et al. "Shortwave infrared fluorescence imaging with the clinically approved near-infrared dye indocyanine green." Proceedings of the National Academy of Sciences 115, no. 17 (2018): 4465–70. http://dx.doi.org/10.1073/pnas.1718917115.

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Fluorescence imaging is a method of real-time molecular tracking in vivo that has enabled many clinical technologies. Imaging in the shortwave IR (SWIR; 1,000–2,000 nm) promises higher contrast, sensitivity, and penetration depths compared with conventional visible and near-IR (NIR) fluorescence imaging. However, adoption of SWIR imaging in clinical settings has been limited, partially due to the absence of US Food and Drug Administration (FDA)-approved fluorophores with peak emission in the SWIR. Here, we show that commercially available NIR dyes, including the FDA-approved contrast agent ind

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Naczynski, Dominik Jan, Jason H. Stafford, Silvan Türkcan та ін. "Rare-Earth-Doped Nanoparticles for Short-Wave Infrared Fluorescence Bioimaging and Molecular Targeting of αVβ3-Expressing Tumors". Molecular Imaging 17 (1 січня 2018): 153601211879913. http://dx.doi.org/10.1177/1536012118799131.

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The use of short-wave infrared (SWIR) light for fluorescence bioimaging offers the advantage of reduced photon scattering and improved tissue penetration compared to traditional shorter wavelength imaging approaches. While several nanomaterials have been shown capable of generating SWIR emissions, rare-earth-doped nanoparticles (REs) have emerged as an exceptionally bright and biocompatible class of SWIR emitters. Here, we demonstrate SWIR imaging of REs for several applications, including lymphatic mapping, real-time monitoring of probe biodistribution, and molecular targeting of the αvβ3 int

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Zhu, Yihua, and Daniel Fried. "Measurement of the Depth of Lesions on Proximal Surfaces with SWIR Multispectral Transillumination and Reflectance Imaging." Diagnostics 12, no. 3 (2022): 597. http://dx.doi.org/10.3390/diagnostics12030597.

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The aim of this study was to compare the diagnostic performance of dual short-wavelength infrared (SWIR) transillumination and reflectance multispectral imaging devices for imaging interproximal lesions with radiography using extracted teeth that had been imaged with micro-computed tomography (microCT). Thirty-six extracted teeth with 67 lesions on the proximal surfaces were imaged using a newly fabricated SWIR multispectral proximal transillumination and reflectance imaging device along with an existing SWIR multispectral occlusal transillumination and reflectance device. The ability of SWIR

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Zhu, Banghe, and Henry Jonathan. "A Review of Image Sensors Used in Near-Infrared and Shortwave Infrared Fluorescence Imaging." Sensors 24, no. 11 (2024): 3539. http://dx.doi.org/10.3390/s24113539.

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To translate near-infrared (NIR) and shortwave infrared (SWIR) fluorescence imaging into the clinic, the paired imaging device needs to detect trace doses of fluorescent imaging agents. Except for the filtration scheme and excitation light source, the image sensor used will finally determine the detection limitations of NIR and SWIR fluorescence imaging systems. In this review, we investigate the current state-of-the-art image sensors used in NIR and SWIR fluorescence imaging systems and discuss the advantages and limitations of their characteristics, such as readout architecture and noise fac

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Zhu, Yihua, Chung Ng, Oanh Le, Yi-Ching Ho, and Daniel Fried. "Diagnostic Performance of Multispectral SWIR Transillumination and Reflectance Imaging for Caries Detection." Diagnostics 13, no. 17 (2023): 2824. http://dx.doi.org/10.3390/diagnostics13172824.

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The aim of this clinical study was to compare the diagnostic performance of dual short wavelength infrared (SWIR) occlusal transillumination and reflectance multispectral imaging with conventional visual assessment and radiography for caries detection on premolars scheduled for extraction for orthodontics reasons. Polarized light microscopy (PLM) and micro-computed tomography (microCT) performed after tooth extraction were used as gold standards. The custom-fabricated imaging probe was 3D-printed and the imaging system employed a SWIR camera and fiber-optic light sources emitting light at 1300

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Thimsen, Elijah, Bryce Sadtler, and Mikhail Y. Berezin. "Shortwave-infrared (SWIR) emitters for biological imaging: a review of challenges and opportunities." Nanophotonics 6, no. 5 (2017): 1043–54. http://dx.doi.org/10.1515/nanoph-2017-0039.

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AbstractShortwave infrared radiation (SWIR) is the portion of the electromagnetic spectrum from approximately 900 nm to 2500 nm. Recent advances in imaging systems have expanded the application of SWIR emitters from traditional fields in materials science to biomedical imaging, and the new detectors in SWIR opened an opportunity of deep tissue imaging. Achieving deep photon penetration while maintaining high resolution is one of the main objectives and challenges in bioimaging used for the investigation of diverse processes in living organisms. The application of SWIR emitters in biological se

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Pavlović, Miloš S., Petar D. Milanović, Miloš S. Stanković, Dragana B. Perić, Ilija V. Popadić, and Miroslav V. Perić. "Deep Learning Based SWIR Object Detection in Long-Range Surveillance Systems: An Automated Cross-Spectral Approach." Sensors 22, no. 7 (2022): 2562. http://dx.doi.org/10.3390/s22072562.

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SWIR imaging bears considerable advantages over visible-light (color) and thermal images in certain challenging propagation conditions. Thus, the SWIR imaging channel is frequently used in multi-spectral imaging systems (MSIS) for long-range surveillance in combination with color and thermal imaging to improve the probability of correct operation in various day, night and climate conditions. Integration of deep-learning (DL)-based real-time object detection in MSIS enables an increase in efficient utilization for complex long-range surveillance solutions such as border or critical assets contr

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Xu, Heng, Jun Chen, Zhujun Feng, et al. "Shortwave infrared fluorescence in vivo imaging of nerves for minimizing the risk of intraoperative nerve injury." Nanoscale 11, no. 42 (2019): 19736–41. http://dx.doi.org/10.1039/c9nr06066a.

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A novel nerve specific imaging agent based on SWIR QD-based in vivo imaging can markedly minimize the risk of iatrogenic nerve injuries during surgeries by providing real-time and long-time SWIR images of peripheral nerves in specific.

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Salimi, Mohammadhossein, Majid Roshanfar, Nima Tabatabaei, and Bobak Mosadegh. "Machine Learning-Assisted Short-Wave InfraRed (SWIR) Techniques for Biomedical Applications: Towards Personalized Medicine." Journal of Personalized Medicine 14, no. 1 (2023): 33. http://dx.doi.org/10.3390/jpm14010033.

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Personalized medicine transforms healthcare by adapting interventions to individuals’ unique genetic, molecular, and clinical profiles. To maximize diagnostic and/or therapeutic efficacy, personalized medicine requires advanced imaging devices and sensors for accurate assessment and monitoring of individual patient conditions or responses to therapeutics. In the field of biomedical optics, short-wave infrared (SWIR) techniques offer an array of capabilities that hold promise to significantly enhance diagnostics, imaging, and therapeutic interventions. SWIR techniques provide in vivo informatio

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10

Lee, Jae Woong. "Trends in SWIR Imaging and Applications." Ceramist 21, no. 2 (2018): 171–86. http://dx.doi.org/10.31613/ceramist.2018.21.2.06.

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Li, Dongyu, Dan Wang, Xinyuan Zhao, et al. "Short-wave infrared emitted/excited fluorescence from carbon dots and preliminary applications in bioimaging." Materials Chemistry Frontiers 2, no. 7 (2018): 1343–50. http://dx.doi.org/10.1039/c8qm00151k.

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The fluorescence characteristics of carbon dots based on the short-wave infrared (SWIR) spectral range were investigated. SWIR emissions from the fluorescent carbon dots were used for in vivo imaging.

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Nunez, Johanna H., Caroline Park, Audra Clark, et al. "533 Human Case Characterizations of Skin Burn Using Novel Multi-Spectral Short Wave Infrared Imaging." Journal of Burn Care & Research 43, Supplement_1 (2022): S101—S102. http://dx.doi.org/10.1093/jbcr/irac012.162.

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Abstract Introduction Determining the depth of skin burns in patients is critical for surgical decision making, but currently lacks accuracy in clinical practice. Short-wave infrared (SWIR) light penetrates tissue more than visual or near-infrared light and is very sensitive to water content. We have shown in animal models that imaging of skin burns in the SWIR range distinguishes between superficial and deep tissue necrosis. Here we present the first 2 cases of multi-spectral SWIR imaging of human burn injury as a first step toward a non-invasive, label-free, technique for burn depth determin

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Blais-Ouellette, Sebastien, David Rioux, Daniel A. Heller, Daniel Roxbury, Frédéric Leblond, and Alireza Akbarzadeh. "(Invited) Advances in Swir In Vivo Fluorescence Imaging Instrumentation." ECS Meeting Abstracts MA2022-01, no. 8 (2022): 676. http://dx.doi.org/10.1149/ma2022-018676mtgabs.

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The development of SWIR, or NIR II, imaging capabilities have significantly accelerated in the past few years. Initially most often developed out of necessity to observe specific phenomena or biosensors, NIR II instrumentation has evolved as a proper research field. Here we will focus on the latest advances in imaging and spectroscopic modalities, including novel depth sectioning methods, multimodal imaging, and agile spectroscopic measurements. Translational aspects of SWIR imaging and sensing will be discussed as well, focusing on intraoperative imaging and deployable sensors for biosensing

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Nunez, Johanna, Benjamin Levi, Jonathan Hong, et al. "72 Multi-Spectral SWIR Imaging in Humans Reveals Correlations with Distinct Skin Burn Depths." Journal of Burn Care & Research 44, Supplement_2 (2023): S37. http://dx.doi.org/10.1093/jbcr/irad045.046.

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Abstract Introduction Burn depth determination is a critical aspect of burn patient care but currently lacks accuracy in clinical practice. We have shown first in animal models and then in a two-patient characterization that Short Wave Infrared (SWIR) imaging, which penetrates tissue better than visual or near-infrared light and is very sensitive to water content, can distinguish between superficial and deep tissue necrosis. Here we present the findings from our pilot study of 10 patients showing the use of multi-spectral SWIR imaging of human burn injury as a potential technique for burn dept

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Zhao, Huijie, Zefu Xu, Hongzhi Jiang, and Guorui Jia. "SWIR AOTF Imaging Spectrometer Based on Single-pixel Imaging." Sensors 19, no. 2 (2019): 390. http://dx.doi.org/10.3390/s19020390.

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An acousto-optic tunable filter (AOTF) is a new type of mono-wavelength generator, and an AOTF imaging spectrometer can obtain spectral images of interest. However, due to the limitation of AOTF aperture and acceptance angle, the light passing through the AOTF imaging spectrometer is weak, especially in the short-wave infrared (SWIR) region. In weak light conditions, the noise of a non-deep cooling mercury cadmium telluride (MCT) detector is high compared to the camera response. Thus, effective spectral images cannot be obtained. In this study, the single-pixel imaging (SPI) technique was appl

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Carr, Jessica A., Tulio A. Valdez, Oliver T. Bruns, and Moungi G. Bawendi. "Using the shortwave infrared to image middle ear pathologies." Proceedings of the National Academy of Sciences 113, no. 36 (2016): 9989–94. http://dx.doi.org/10.1073/pnas.1610529113.

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Visualizing structures deep inside opaque biological tissues is one of the central challenges in biomedical imaging. Optical imaging with visible light provides high resolution and sensitivity; however, scattering and absorption of light by tissue limits the imaging depth to superficial features. Imaging with shortwave infrared light (SWIR, 1–2 μm) shares many advantages of visible imaging, but light scattering in tissue is reduced, providing sufficient optical penetration depth to noninvasively interrogate subsurface tissue features. However, the clinical potential of this approach has been l

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Ma, Te, Laurence Schimleck, Joseph Dahlen, et al. "Comparative Performance of NIR-Hyperspectral Imaging Systems." Foundations 2, no. 3 (2022): 523–40. http://dx.doi.org/10.3390/foundations2030035.

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Near-infrared spectroscopy (NIRS) allows for the rapid estimation of a wide range of wood properties. Typically, NIRS studies on wood have utilized benchtop spectrometers, but efforts to utilize NIR hyperspectral imaging to examine wood and wood products have increased. Compared to benchtop NIR systems, hyperspectral imaging has several advantages (speed, visualization of spatial variability), but the data typically have a lower signal-to-noise ratio as well as fewer wavelengths saved; thus, hyperspectral imaging systems have a larger spectral sampling interval (SSI). Furthermore, the SSI and

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Ma, Te, Laurence Schimleck, Joseph Dahlen, et al. "Comparative performance of NIR-hyperspectral imaging systems." Foundations 2, no. 3 (2022): 18. https://doi.org/10.3390/foundations2030035.

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Near-infrared spectroscopy (NIRS) allows for the rapid estimation of a wide range of wood properties. Typically, NIRS studies on wood have utilized benchtop spectrometers, but efforts to utilize NIR hyperspectral imaging to examine wood and wood products have increased. Compared to benchtop NIR systems, hyperspectral imaging has several advantages (speed, visualization of spatial variability), but the data typically have a lower signal-to-noise ratio as well as fewer wavelengths saved; thus, hyperspectral imaging systems have a larger spectral sampling interval (SSI). Furthermore, the SSI and

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Dong, Sen, Zhi Xiong, Rongbing Li, Yaohong Chen, and Hao Wang. "High-Performance Enhancement of SWIR Images." Electronics 11, no. 13 (2022): 2001. http://dx.doi.org/10.3390/electronics11132001.

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Short-wave infrared imaging technology has rapidly developed over the past decade. However, image detail and contrast enhancement techniques, which are crucial for infrared imaging systems, are rarely dedicated to SWIR imaging systems. Moreover, the existing IR image enhancement methods generally have difficulty providing real-time performance, which plays a significant role in imaging systems with high data rates. In this paper, we propose a simple and real-time SWIR image enhancement approach based on the difference of Gaussian filter and histogram remapping, and illustrate the implementatio

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Blais-Ouellette, Sebastien, David Rioux, Stephane Marcet, and Wendy Chung. "Development of SWIR Clinical Imaging and Spectroscopic Instruments." ECS Meeting Abstracts MA2023-01, no. 9 (2023): 1148. http://dx.doi.org/10.1149/ma2023-0191148mtgabs.

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The last decade saw a tremendous evolution of nanocarbon-based biosensors. Most often based on SWIR, or NIR-II (1 - 1.7µm) fluorescence, these novel technologies prompted the development of new imaging and spectroscopic instruments. As these nanosensors are moving from basic and preclinical research to medical and veterinary applications, the instrumentation has to be adapted to large animals, including humans. This talk will focus on the challenges and promises of clinical fluorescence spectrometers and imagers for the SWIR window.

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Allik, Toomas H., Roberta E. Dixon, Lenard V. Ramboyong, et al. "Novel Electro-Optic Imaging Technologies for Day/Night Oil Spill Detection." International Oil Spill Conference Proceedings 2014, no. 1 (2014): 299609. http://dx.doi.org/10.7901/2169-3358-2014-1-299609.1.

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Joint program between the U.S. Departments of the Interior and Defense to bring knowledge, expertise and military, low-light level and hyperspectral imaging technologies to remote oil spill detection. Program emphasis is to determine remote infrared imaging techniques for the quantification of oil spill thickness. Spectral characteristics of various crude oils in the SWIR (1–2 microns), MWIR (3–5 microns) and LWIR (8–12 microns) were measured. Analysis of laboratory data and Deepwater Horizon hyperspectral imagery showed the utility of the SWIR region to detect crude oil and emulsions. We have

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Wu, Taixia, Guanghua Li, Zehua Yang, et al. "Shortwave Infrared Imaging Spectroscopy for Analysis of Ancient Paintings." Applied Spectroscopy 71, no. 5 (2016): 977–87. http://dx.doi.org/10.1177/0003702816660724.

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Spectral analysis is one of the main non-destructive techniques used to examine cultural relics. Hyperspectral imaging technology, especially on the shortwave infrared (SWIR) band, can clearly extract information from paintings, such as color, pigment composition, damage characteristics, and painting techniques. All of these characteristics have significant scientific and practical value in the study of ancient paintings and other relics and in their protection and restoration. In this study, an ancient painting, numbered Gu-6541, which had been found in the Forbidden City, served as a sample.

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Du, Junhao, Xuewei Zhao, Jiale Su, et al. "Review of Short-Wavelength Infrared Flip-Chip Bump Bonding Process Technology." Sensors 25, no. 1 (2025): 263. https://doi.org/10.3390/s25010263.

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Short-wave infrared (SWIR) imaging has a wide range of applications in civil and military fields. Over the past two decades, significant efforts have been devoted to developing high-resolution, high-sensitivity, and cost-effective SWIR sensors covering the spectral range from 0.9 μm to 3 μm. These advancements stimulate new prospects across a wide array of fields including life sciences, medical diagnostics, defense, surveillance, security, free-space optics (FSO), thermography, agriculture, food inspection, and LiDAR applications. In this review, we begin by introducing monolithic SWIR image

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Neville, Robert A., Neil Rowlands, Richard Marois, and Ian Powell. "SFSI: Canada's First Airborne SWIR Imaging Spectrometer." Canadian Journal of Remote Sensing 21, no. 3 (1995): 328–36. http://dx.doi.org/10.1080/07038992.1995.10874626.

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Benker, Michael, Guiru Gu, Alexander Senckowski, et al. "Room-Temperature (RT) Extended Short-Wave Infrared (e-SWIR) Avalanche Photodiode (APD) with a 2.6 µm Cutoff Wavelength." Micromachines 15, no. 8 (2024): 941. http://dx.doi.org/10.3390/mi15080941.

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Highly sensitive infrared photodetectors are needed in numerous sensing and imaging applications. In this paper, we report on extended short-wave infrared (e-SWIR) avalanche photodiodes (APDs) capable of operating at room temperature (RT). To extend the detection wavelength, the e-SWIR APD utilizes a higher indium (In) composition, specifically In0.3Ga0.7As0.25Sb0.75/GaSb heterostructures. The detection cut-off wavelength is successfully extended to 2.6 µm at RT, as verified by the Fourier Transform Infrared Spectrometer (FTIR) detection spectrum measurement at RT. The In0.3Ga0.7As0.25Sb0.75/G

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Zhu, Yihua. "The future of dentistry: Exploring the latest advancements in dental imaging." Open Access Government 42, no. 1 (2024): 102–3. http://dx.doi.org/10.56367/oag-042-11287.

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The future of dentistry: Exploring the latest advancements in dental imaging Advancements in dental imaging over the past two decades have been remarkable, such as cross-polarization OCT; Yihua Zhu and his team at the University of California, San Francisco, have been investigating different diagnostic imaging methods. Yihua Zhu and his team at the University of California have extensively explored innovative imaging techniques, comparing them with conventional methods. Their focus has been on enhancing short wavelength infrared (SWIR) technologies, developing a dual probe for investigating de

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SCHILLING, BRADLEY W., STEPHEN R. CHINN, BRIAN THOMAS, and TIMOTHY J. SCHOLZ. "EYESAFE ACTIVE IMAGING OF HARD TARGETS: AN OVERVIEW OF TECHNIQUES UNDER INVESTIGATION BY NVESD." International Journal of High Speed Electronics and Systems 18, no. 02 (2008): 375–91. http://dx.doi.org/10.1142/s0129156408005412.

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The U.S. Army is actively pursuing 3D active imaging techniques using laser sources emitting at 1.5 μm. This eyesafe short wave infrared (SWIR) waveband is advantageous due to both the improved eye safety and atmospheric propagation through obscurants. NVESD has several active programs in this area, which will be reviewed in this paper. These are: 1) single-pixel scanned imaging laser radar, 2) 2D gated SWIR imaging, and 3) 3D-flash laser radar. These systems are being evaluated for various targeting scenarios, including as potential payloads on unmanned air-vehicles, ground vehicles and other

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Trondsen, Trond S., John Meriwether, Craig Unick, Andrew Gerrard, Matthew Cooper, and Devin Wyatt. "Short Wave Infrared Imaging for Auroral Physics and Aeronomy Studies." Journal of Astronomy and Space Sciences 41, no. 2 (2024): 121–38. http://dx.doi.org/10.5140/jass.2024.41.2.121.

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Advances in solar-terrestrial physics are generally linked to the development of innovative new sensor technologies, affording us ever better sensitivity, higher resolution, and broader spectral response. Recent advances in low-noise InGaAs sensor technology have enabled the realization of low-light-level scientific imaging within the short-wave infrared (SWIR) region of the electromagnetic spectrum. This paper describes a new and highly sensitive ultra-wide angle imager that offers an expansion of auroral and airglow imaging capabilities into the SWIR spectral range of 900–1,700 nm. The image

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Ng, Morgan, Yi-Ching Ho, Spencer Wycoff, Yihua Zhu, and Daniel Fried. "Short-Wavelength Infrared Imaging of Infected and Affected Dentin." Diagnostics 14, no. 7 (2024): 744. http://dx.doi.org/10.3390/diagnostics14070744.

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Stains produced by bacteria or those found in blood and food byproducts accumulate in highly porous caries lesions. They can interfere with accurate diagnosis and the selective removal of carious tissue during cavity preparations. Short-wavelength infrared (SWIR) imaging studies have shown that stain molecules do not absorb light beyond 1200 nm. The objective of this study was to image affected and infected dentin atSWIR wavelengths. Sections of 3 mm thickness were cut from the extracted teeth with deep dentinal lesions. The sound (normal), affected (stained), and infected (demineralized) dent

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Ru, Chenlei, Zhenhao Li, and Renzhong Tang. "A Hyperspectral Imaging Approach for Classifying Geographical Origins of Rhizoma Atractylodis Macrocephalae Using the Fusion of Spectrum-Image in VNIR and SWIR Ranges (VNIR-SWIR-FuSI)." Sensors 19, no. 9 (2019): 2045. http://dx.doi.org/10.3390/s19092045.

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Hyperspectral data processing technique has gained increasing interests in the field of chemical and biomedical analysis. However, appropriate approaches to fusing features of hyperspectral data-cube are still lacking. In this paper, a new data fusion approach was proposed and applied to discriminate Rhizoma Atractylodis Macrocephalae (RAM) slices from different geographical origins using hyperspectral imaging. Spectral and image features were extracted from hyperspectral data in visible and near-infrared (VNIR, 435–1042 nm) and short-wave infrared (SWIR, 898–1751 nm) ranges, respectively. Eff

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Rutz, Frank, Rolf Aidam, Henning Heußen, et al. "InGaAs APD matrix sensors for SWIR gated viewing." Advanced Optical Technologies 8, no. 6 (2019): 445–50. http://dx.doi.org/10.1515/aot-2019-0039.

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Abstract Short-wavelength infrared (SWIR) detection systems are increasingly in demand for surveillance, reconnaissance, and remote sensing applications. Eye-safe SWIR lasers can be utilized for active imaging systems with high image contrast and long detection range. The gated-viewing (GV) technique using short-pulse lasers and fast-gated cameras in the nanosecond range enables utilizing the distance information in addition to the signal intensity of the acquired images. The InGaAs material system is very well suited for the fabrication of high-performance SWIR photodetectors providing a typi

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Kim, Yong-Kyoung, Insuck Baek, Kyung-Min Lee, et al. "Rapid Detection of Single- and Co-Contaminant Aflatoxins and Fumonisins in Ground Maize Using Hyperspectral Imaging Techniques." Toxins 15, no. 7 (2023): 472. http://dx.doi.org/10.3390/toxins15070472.

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Aflatoxins and fumonisins, commonly found in maize and maize-derived products, frequently co-occur and can cause dangerous illness in humans and animals if ingested in large amounts. Efforts are being made to develop suitable analytical methods for screening that can rapidly detect mycotoxins in order to prevent illness through early detection. A method for classifying contaminated maize by applying hyperspectral imaging techniques including reflectance in the visible and near-infrared (VNIR) and short-wave infrared (SWIR) regions, and fluorescence was investigated. Machine learning classifica

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Oliveira, Karym Mayara de, João Vitor Ferreira Gonçalves, Renato Herrig Furlanetto, et al. "Predicting Particle Size and Soil Organic Carbon of Soil Profiles Using VIS-NIR-SWIR Hyperspectral Imaging and Machine Learning Models." Remote Sensing 16, no. 16 (2024): 2869. http://dx.doi.org/10.3390/rs16162869.

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Modeling spectral reflectance data using machine learning algorithms presents a promising approach for estimating soil attributes. Nevertheless, a comprehensive investigation of the most effective models, parameters, wavelengths, and data acquisition techniques is essential to ensure optimal predictive accuracy. This work aimed to (a) explore the potential of the soil spectral signature obtained in different spectral bands (VIS-NIR, SWIR, and VIS-NIR-SWIR) and, by using hyperspectral imaging and non-imaging sensors, in the predictive modeling of soil attributes; and (b) analyze the accuracy of

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YUAN Li-yin, 袁立银, 何志平 HE Zhi-ping, 舒嵘 SHU Rong, and 王建宇 WANG Jian-yu. "Optical Design of a SWIR PGP Imaging Spectrometer." ACTA PHOTONICA SINICA 40, no. 6 (2011): 831–34. http://dx.doi.org/10.3788/gzxb20114006.0831.

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Naczynski, Dominik J., Mei Chee Tan, Richard E. Riman, and Prabhas V. Moghe. "Rare earth nanoprobes for functional biomolecular imaging and theranostics." J. Mater. Chem. B 2, no. 20 (2014): 2958–73. http://dx.doi.org/10.1039/c4tb00094c.

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Song, Hanbin, Sanghyeop Yeo, Youngwan Jin, et al. "Short-Wave Infrared (SWIR) Imaging for Robust Material Classification: Overcoming Limitations of Visible Spectrum Data." Applied Sciences 14, no. 23 (2024): 11049. http://dx.doi.org/10.3390/app142311049.

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This paper presents a novel approach to material classification using short-wave infrared (SWIR) imaging, aimed at applications where differentiating visually similar objects based on material properties is essential, such as in autonomous driving. Traditional vision systems, relying on visible spectrum imaging, struggle to distinguish between objects with similar appearances but different material compositions. Our method leverages SWIR’s distinct reflectance characteristics, particularly for materials containing moisture, and demonstrates a significant improvement in accuracy. Specifically,

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van Hees, Richard M., Paul J. J. Tol, Sidney Cadot, et al. "Determination of the TROPOMI-SWIR instrument spectral response function." Atmospheric Measurement Techniques 11, no. 7 (2018): 3917–33. http://dx.doi.org/10.5194/amt-11-3917-2018.

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Abstract. The Tropospheric Monitoring Instrument (TROPOMI) is the single instrument on board the ESA Copernicus Sentinel-5 Precursor satellite. TROPOMI is a nadir-viewing imaging spectrometer with bands in the ultraviolet and visible, the near infrared and the shortwave infrared (SWIR). An accurate instrument spectral response function (ISRF) is required in the SWIR band where absorption lines of CO, methane and water vapor overlap. In this paper, we report on the determination of the TROPOMI-SWIR ISRF during an extensive on-ground calibration campaign. Measurements are taken with a monochroma

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Batshev, Vladislav, Alexander Machikhin, Grigoriy Martynov, et al. "Polarizer-Free AOTF-Based SWIR Hyperspectral Imaging for Biomedical Applications." Sensors 20, no. 16 (2020): 4439. http://dx.doi.org/10.3390/s20164439.

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Optical biomedical imaging in short wave infrared (SWIR) range within 0.9–1.7 μm is a rapidly developing technique. For this reason, there is an increasing interest in cost-effective and robust hardware for hyperspectral imaging data acquisition in this range. Tunable-filter-based solutions are of particular interest as they provide image processing flexibility and effectiveness in terms of collected data volume. Acousto-optical tunable filters (AOTFs) provide a unique set of features necessary for high-quality SWIR hyperspectral imaging. In this paper, we discuss a polarizer-free configuratio

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Fahri Reza Pahlawan, Muhammad, Yena Kim, Rudiati Evi Masithoh, and Byoung-Kwan Cho. "VNIR and SWIR Hyperspectral Imaging for Microplastic detection on Soil." BIO Web of Conferences 167 (2025): 05006. https://doi.org/10.1051/bioconf/202516705006.

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Microplastics in soil significantly threatens ecology, impacting plant growth, soil, and humans health through the food chain. Conventional methods to detect microplastic in soil usually require complicated and time-consuming steps. This study used non-destructive hyperspectral imaging techniques in visible-near infrared (VNIR, 400-1000 nm) and short-wave-infrared (SWIR, 1000-2000) to identify microplastic in the soil surface. Seven cryo-milled microplastic polymer were used. Partial least squares discriminant analysis (PLS-DA), linear discriminant analysis (LDA), and support vector classifica

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Fried, Daniel, and Yihua Zhu. "Optimal Wavelengths for Multispectral Short Wavelength Infrared Transillumination and Reflectance Imaging for Caries Detection." Diagnostics 15, no. 8 (2025): 1034. https://doi.org/10.3390/diagnostics15081034.

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Background/Objectives: The aim of this in vitro study was to determine the optimal combinations of wavelengths for short wavelength infrared (SWIR) multispectral transillumination and reflectance imaging of caries lesions on proximal and occlusal surfaces. Methods: The contrasts of (n = 76) caries lesions on the occlusal and proximal surfaces of extracted teeth were measured at 1050, 1300, and 1550 nm for occlusal transillumination and 1058, 1300, 1450, and 1675 nm for occlusal reflectance. All teeth were also imaged using radiography and microcomputed tomography (μCT) to verify lesion presenc

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Xiang, Boyang, Guiru Gu, Nagarajan Ramaswamyd, Christopher Drew, and Xuejun Lu. "Voltage-dependent extended shortwave infrared (e-SWIR) photodetection-band tuning utilizing the Moss–Burstein effect." Journal of Physics D: Applied Physics 56, no. 5 (2022): 055101. http://dx.doi.org/10.1088/1361-6463/aca9da.

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Abstract Extended shortwave infrared (e-SWIR) photodetectors and imaging focal plane arrays covering the wavelength beyond the conventional In0.53Ga0.47As cutoff wavelength of 1.65 micrometers (µm) can find numerous applications in infrared sensing and imaging. This paper reports voltage-tunable e-SWIR photodetectors based on the conventional gallium antimonide (GaSb) n–i–p and p–i–n homojunctions on GaSb substrates, which offer bias-dependent photodetection band tuning with a simple structure and high material crystal quality due to the perfect lattice matching on the substrates. Detection ba

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Tsuboi, Setsuko, and Takashi Jin. "Shortwave-infrared (SWIR) fluorescence molecular imaging using indocyanine green–antibody conjugates for the optical diagnostics of cancerous tumours." RSC Advances 10, no. 47 (2020): 28171–79. http://dx.doi.org/10.1039/d0ra04710d.

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Shah, Jay V., Jake N. Siebert, Xinyu Zhao, et al. "Abstract 4178: Non-invasive shortwave infrared imaging of cytotoxic T lymphocyte infiltration for monitoring responses to combination immunotherapy and chemotherapy." Cancer Research 84, no. 6_Supplement (2024): 4178. http://dx.doi.org/10.1158/1538-7445.am2024-4178.

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Abstract Although triple-negative breast cancer (TNBC) can be treated with anti-PD-1 checkpoint immunotherapy in combination with chemotherapy, there remains a challenge in effectively monitoring therapeutic responses. Current non-invasive clinical imaging tools to evaluate response to treatment are reliant upon measurements of tumor volume and may fail to distinguish true progression from increased immune cell infiltration. Invasive biopsy sampling and immunohistochemistry (IHC) can elucidate changes in the immune landscape of treated tumors, but these methods are not conducive to providing r

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Ghadernejad, Saleh, and Kamran Esmaeili. "Predicting Rock Hardness and Abrasivity Using Hyperspectral Imaging Data and Random Forest Regressor Model." Remote Sensing 16, no. 20 (2024): 3778. http://dx.doi.org/10.3390/rs16203778.

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This study aimed to develop predictive models for rock hardness and abrasivity based on hyperspectral imaging data, providing valuable information without interrupting the mining processes. The data collection stage first involved scanning 159 rock samples collected from 6 different blasted rock piles using visible and near-infrared (VNIR) and short-wave infrared (SWIR) sensors. The hardness and abrasivity of the samples were then determined through Leeb rebound hardness (LRH) and Cerchar abrasivity index (CAI) tests, respectively. The data preprocessing involved radiometric correction, backgr

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Neville, R. A., and I. Powell. "Design of SFSI: An Imaging Spectrometer in the SWIR." Canadian Journal of Remote Sensing 18, no. 4 (1992): 210–22. http://dx.doi.org/10.1080/07038992.1992.10855326.

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Jemec, Jurij, Franjo Pernuš, Boštjan Likar, and Miran Bürmen. "Deconvolution-based restoration of SWIR pushbroom imaging spectrometer images." Optics Express 24, no. 21 (2016): 24704. http://dx.doi.org/10.1364/oe.24.024704.

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Iida, Tatsuto, Shunsuke Kiya, Kosuke Kubota, Takashi Jin, Akitoshi Seiyama, and Yasutomo Nomura. "Monte Carlo Modeling of Shortwave-Infrared Fluorescence Photon Migration in Voxelized Media for the Detection of Breast Cancer." Diagnostics 10, no. 11 (2020): 961. http://dx.doi.org/10.3390/diagnostics10110961.

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Recent progress regarding shortwave-infrared (SWIR) molecular imaging technology has inspired another modality of noninvasive diagnosis for early breast cancer detection in which previous mammography or sonography would be compensated. Although a SWIR fluorescence image of a small breast cancer of several millimeters was obtained from experiments with small animals, detailed numerical analyses before clinical application were required, since various parameters such as size as well as body hair differed between humans and small experimental animals. In this study, the feasibility of SWIR was co

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Kim, Hailey Hwiram, In-Seok Song, and Richard Jaepyeong Cha. "Advancing DIEP Flap Monitoring with Optical Imaging Techniques: A Narrative Review." Sensors 24, no. 14 (2024): 4457. http://dx.doi.org/10.3390/s24144457.

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Objectives: This review aims to explore recent advancements in optical imaging techniques for monitoring the viability of Deep Inferior Epigastric Perforator (DIEP) flap reconstruction. The objectives include highlighting the principles, applications, and clinical utility of optical imaging modalities such as near-infrared spectroscopy (NIRS), indocyanine green (ICG) fluorescence angiography, laser speckle contrast imaging (LSCI), hyperspectral imaging (HSI), dynamic infrared thermography (DIRT), and short-wave infrared thermography (SWIR) in assessing tissue perfusion and oxygenation. Additio

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Platnick, Steven, Kerry Meyer, Nandana Amarasinghe, Galina Wind, Paul A. Hubanks, and Robert E. Holz. "Sensitivity of Multispectral Imager Liquid Water Cloud Microphysical Retrievals to the Index of Refraction." Remote Sensing 12, no. 24 (2020): 4165. http://dx.doi.org/10.3390/rs12244165.

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A cloud property retrieved from multispectral imagers having spectral channels in the shortwave infrared (SWIR) and/or midwave infrared (MWIR) is the cloud effective particle radius (CER), a radiatively relevant weighting of the cloud particle size distribution. The physical basis of the CER retrieval is the dependence of SWIR/MWIR cloud reflectance on the cloud particle single scattering albedo, which in turn depends on the complex index of refraction of bulk liquid water (or ice) in addition to the cloud particle size. There is a general consistency in the choice of the liquid water index of

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Bachmann, Martin, and Tobias Storch. "First Nighttime Light Spectra by Satellite—By EnMAP." Remote Sensing 15, no. 16 (2023): 4025. http://dx.doi.org/10.3390/rs15164025.

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For the first time, nighttime VIS/NIR—SWIR (visible and near-infrared—shortwave infrared) spectra from a satellite mission have been analyzed using the EnMAP (Environmental Mapping and Analysis Program) high-resolution imaging spectrometer. This article focuses on the spectral characteristics. Firstly, we checked the spectral calibration of EnMAP using sodium light emissions. Here, By applying a newly devised general method, we estimated shifts of +0.3nm for VIS/NIR and −0.2nm for SWIR; the uncertainties were found to be within the range of [−0.4nm,+0.2nm] for VIS/NIR and [−1.2nm,+1.0nm] for S

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