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Information efficiency in hyperspectral imaging systems

Stephen E. Reichenbach, Luyin Cao, Ram M. Narayanan
2002 Journal of Electronic Imaging (JEI)  
In this work we develop a method for assessing the information density and efficiency of hyperspectral imaging systems that have spectral bands of nonuniform width.  ...  Imaging system designs with spectral bands of nonuniform width can efficiently gather information about a scene by allocating bandwidth among the bands according to their information content.  ...  Conclusion The method developed in this paper assesses the information density and efficiency of hyperspectral imaging systems with spectral bands of nonuniform width.  ... 
doi:10.1117/1.1482097 fatcat:xnunqk4ionfyneqhkvkm2dbzpe

Uniformity of Imaging Spectrometry Data Products

Jens Nieke, Daniel Schlapfer, Francesco Dell'Endice, Jason Brazile, Klaus I. Itten
2008 IEEE Transactions on Geoscience and Remote Sensing  
Hence, the term uniformity of imaging spectrometry data products is defined for enabling the quantitative means to assess the quality of imaging spectrometry data.  ...  The increasing quantity and sophistication of imaging spectroscopy applications have led to a higher demand on the quality of Earth observation data products.  ...  © 2008 IEEE TABLE I SPECIFICATIONS AND DESIGN PARAMETERS FOR CURRENT AND FUTURE HYPERSPECTRAL IMAGERS straylight effects, and the absolute radiometric accuracy) combined in the variable K sys F =  ... 
doi:10.1109/tgrs.2008.918764 fatcat:llehllajufh2jec5o4qpfji5ne

Image mapping spectrometry: calibration and characterization

Noah Bedard
2012 Optical Engineering: The Journal of SPIE  
The presented methodology of evaluation is useful in assessment of a variety of hyperspectral and multi-spectral modalities.  ...  Image mapping spectrometry (IMS) is a hyperspectral imaging technique that simultaneously captures spatial and spectral information about an object in real-time.  ...  Acknowledgments The authors would like to thank NIH for its funding support of this project through R01A124319 entitled "Integrated Bi-FOV endoscope for detection of Precancer" and R21EB009186 entitled  ... 
doi:10.1117/1.oe.51.11.111711 pmid:22962504 pmcid:PMC3433068 fatcat:e3u7jkz6qfafvpvpsj75be6pzq

Laboratory Hyperspectral Image Acquisition System Setup and Validation

Alejandro Morales, Pablo Horstrand, Raúl Guerra, Raquel Leon, Samuel Ortega, María Díaz, José M. Melián, Sebastián López, José F. López, Gustavo M. Callico, Ernestina Martel, Roberto Sarmiento
2022 Sensors  
Morphological analysis, spectral response and optical aberration of these pushbroom-type hyperspectral cameras have been evaluated prior to the validation of the whole system with different plastic samples  ...  In this article, a custom-made scanning system for hyperspectral image acquisition is described.  ...  Acquisition Platform Setup One of the main goals of the designed system is to be able to acquire images with pushbroom hyperspectral cameras in a simple manner, almost right out of the box and with very  ... 
doi:10.3390/s22062159 pmid:35336337 pmcid:PMC8956094 fatcat:w7vl7cub5racrdh6rk76wuursq

Three-dimensional maps of human skin properties on full face with shadows using 3-D hyperspectral imaging

Lou Gevaux
2019 Journal of Biomedical Optics  
We discuss the advantages and drawbacks of the two methods, after having presented in detail the whole acquisition setup, which has been designed to provide high-resolution images with a short acquisition  ...  The first one relies on a radiometric correction of the irradiance, using 3-D information on the face's shape acquired by combining the hyperspectral camera with a 3-D scanner; the second relies on an  ...  Acknowledgments A preliminary version of this work was presented at IS&T Electronic Imaging Symposium, Material Appearance (Burlingame, USA, 29 January to 2 February 2018) and published in the conference  ... 
doi:10.1117/1.jbo.24.6.066002 pmid:31177645 pmcid:PMC6977068 fatcat:wy4mhkswpjgk7by5zho2gky3hi

Front Matter: Volume 10964

Yue Yang, Yidong Huang
2018 Tenth International Conference on Information Optics and Photonics  
using a Base 36 numbering system employing both numerals and letters.  ...  The publisher is not responsible for the validity of the information or for any outcomes resulting from reliance thereon.  ...  two typical femtosecond laser systems and their respective applications 10964 6J Hyperspectral imaging of rare-earth doped nanoparticles emitting in near-and short-wave infrared regions 10964 6L Synthesis  ... 
doi:10.1117/12.2520247 fatcat:3jitib4qgngdrh6vjarovb27r4

ACTIVE-EYES: an adaptive pixel-by-pixel image-segmentation sensor architecture for high-dynamic-range hyperspectral imaging

Marc P. Christensen, Gary W. Euliss, Michael J. McFadden, Kevin M. Coyle, Predrag Milojkovic, Michael W. Haney, Joeseph van der Gracht, Ravindra A. Athale
2002 Applied Optics  
An information theoretic analysis of the dynamic-range control aspect was conducted to predict the performance enhancements that might be achieved with this architecture.  ...  The results indicate that, with a properly configured algorithm, the concept achieves the greatest relative information recovery from a detected image when the scene is made up of a relatively large area  ...  The authors gratefully acknowledge the support of the Defense Advanced Research Projects Agency ͑DARPA͒ through contract F33615-00-1-1625, which is monitored by the Air Force Research Laboratory ͑AFRL͒  ... 
doi:10.1364/ao.41.006093 pmid:12389978 fatcat:md5yvjmy35hpnacoqcfnlixchu

Modern technologies for retinal scanning and imaging: an introduction for the biomedical engineer

Boris I Gramatikov
2014 BioMedical Engineering OnLine  
imaging etc., all of which are with potential biomedical application.  ...  Most of the methods involved are applicable to other areas of biomedical optics and optoelectronics, such as microscopic imaging, spectroscopy, spectral imaging, opto-acoustic tomography, fluorescence  ...  Research Award), and 2) "Diagnosis and Management of Infant Retinal Disease" -a 2012 Biomedical Research Collaboration Award with Duke University (co-PI).  ... 
doi:10.1186/1475-925x-13-52 pmid:24779618 pmcid:PMC4022984 fatcat:kkpk44mn4vfsbnysee7cdp4574

Fuzzy Spectral and Spatial Feature Integration for Classification of Nonferrous Materials in Hyperspectral Data

A. Picon, O. Ghita, P.F. Whelan, P.M. Iriondo
2009 IEEE Transactions on Industrial Informatics  
To achieve an efficient implementation, the dimensionality of the hyperspectral data is reduced by constructing bio-inspired spectral fuzzy sets that minimize the amount of redundant information contained  ...  Hyperspectral data allows the construction of more elaborate models to sample the properties of the nonferrous materials than the standard RGB color representation.  ...  ACKNOWLEDGMENT We would like to thank Robotiker-Tecnalia, Specim, and SORMEN Project Consortium for providing the data and the nonferrous materials that have been used in the validation of the proposed  ... 
doi:10.1109/tii.2009.2031238 fatcat:xp6td7j6erer5j3qdvgxbzf5xq

Design and characterization of specMACS, a multipurpose hyperspectral cloud and sky imager

Florian Ewald, Tobias Kölling, Andreas Baumgartner, Tobias Zinner, Bernhard Mayer
2016 Atmospheric Measurement Techniques  
</strong> The new spectrometer of the Munich Aerosol Cloud Scanner (specMACS) is a multipurpose hyperspectral cloud and sky imager designated, but is not limited to investigations of cloud–aerosol interactions  ...  It is based on two hyperspectral cameras that measure in the solar spectral range between 400 and 2500<span class="thinspace"></span>nm with a spectral bandwidth between 2.5 and 12.0<span class="thinspace  ...  We thank Meinhard Seefeldner and Anton Lex for their great support in constructing and building the stray light protection and many other mechanical parts for the specMACS system.  ... 
doi:10.5194/amt-9-2015-2016 fatcat:lzxabnbwxraivaihyvt4jy64l4

Design and characterization of specMACS, a multipurpose hyperspectral cloud and sky imager

F. Ewald, T. Kölling, A. Baumgartner, T. Zinner, B. Mayer
2015 Atmospheric Measurement Techniques Discussions  
The new spectrometer of the Munich Aerosol Cloud Scanner (specMACS) is a multipurpose hyperspectral cloud and sky imager designated, but not limited to investigations of cloud-aerosol interactions in Earth's  ...  It is based on two hyperspectral line cameras that measure in the solar spectral range between 400–2500 nm with a spectral bandwidth between 2.5–12.0 nm.  ...  We thank Meinhard Seefeldner and Anton Lex for their great support in constructing and building the stray light protection and many other mechanical parts for the specMACS system.  ... 
doi:10.5194/amtd-8-9853-2015 fatcat:2l5aqmnymrcczhd27j2n63v7sm

Review of spectral imaging technology in biomedical engineering: achievements and challenges

Qingli Li, Xiaofu He, Yiting Wang, Hongying Liu, Dongrong Xu, Fangmin Guo
2013 Journal of Biomedical Optics  
The performance and analytical capabilities of spectral imaging systems for biological and biomedical imaging are discussed.  ...  Spectral imaging is a technology that integrates conventional imaging and spectroscopy to get both spatial and spectral information from an object.  ...  Acknowledgments This work is supported in part by the National Natural Science Foundation of China (Grant No  ... 
doi:10.1117/1.jbo.18.10.100901 pmid:24114019 fatcat:olkvijxazbgijedmuavvvdv4jm

Toward Integrated Large-Scale Environmental Monitoring Using WSN/UAV/Crowdsensing: A Review of Applications, Signal Processing, and Future Perspectives

Alessio Fascista
2022 Sensors  
processing techniques, the major pillars at the basis of future integrated (air, land, and water) and large-scale environmental monitoring systems.  ...  By outlining the available solutions and current limitations, we identify in the cooperation among terrestrial (WSN/crowdsensing) and aerial (UAVs) sensing, coupled with the adoption of advanced signal  ...  Acknowledgments: The author would like to thank Angelo Coluccia for the insightful discussions on the topic and the extensive review of the paper.  ... 
doi:10.3390/s22051824 pmid:35270970 pmcid:PMC8914857 fatcat:xqcgx676mbckfpc2a6rurbfooq

Use of Derivative Calculations and Minimum Noise Fraction Transform for Detecting and Correcting the Spectral Curvature Effect (Smile) in Hyperion Images

Alon Dadon, Eyal Ben-Dor, Arnon Karnieli
2010 IEEE Transactions on Geoscience and Remote Sensing  
However, MNF-1 consists of both spatial and spectral information.  ...  The image is corrected after the inverse conversion of the MNF to radiance space.  ...  Beyth and Dr. O. Crouvi (Geological Survey of Israel), R. Lugasi (Tel Aviv University), and Dr. N. Panov (Jacob Blaustein Institutes) for the support and instructive advice and to A. Goldberg and M.  ... 
doi:10.1109/tgrs.2010.2040391 fatcat:h62mfbf6uvhpxjbpon3vg22ww4

Quantitative Imaging of Single Upconversion Nanoparticles in Biological Tissue

Annemarie Nadort, Varun K. A. Sreenivasan, Zhen Song, Ekaterina A. Grebenik, Andrei V. Nechaev, Vladimir A. Semchishen, Vladislav Y. Panchenko, Andrei V. Zvyagin, Sangaru Shiv Shankar
2013 PLoS ONE  
Here, we report on the experimental and theoretical investigation of this trade-off aiming at the identification of optimal application niches of UCNPs e.g. biological liquids and subsurface tissue layers  ...  To extend this result towards in vivo applications, we quantified the optical properties of single UCNPs and theoretically analyzed the prospects of single-particle detectability in live scattering and  ...  to provide nano and microfabrication facilities for Australia's researchers.  ... 
doi:10.1371/journal.pone.0063292 pmid:23691012 pmcid:PMC3653952 fatcat:c73uqvrsjfamtmaqm4z5r3c6wm
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