Relevant bibliographies by topics / SWIR imaging / Dissertations / Theses
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Dissertations / Theses on the topic 'SWIR imaging'

Author: Grafiati
Published: 6 July 2024
Last updated: 31 July 2025

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1

Brorsson, Andreas. "Compressive Sensing: Single Pixel SWIR Imaging of Natural Scenes." Thesis, Linköpings universitet, Datorseende, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-145363.

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Photos captured in the shortwave infrared (SWIR) spectrum are interesting in military applications because they are independent of what time of day the pic- ture is captured because the sun, moon, stars and night glow illuminate the earth with short-wave infrared radiation constantly. A major problem with today’s SWIR cameras is that they are very expensive to produce and hence not broadly available either within the military or to civilians. Using a relatively new tech- nology called compressive sensing (CS), enables a new type of camera with only a single pixel sensor in the sensor (a SPC).
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2

Ho, Chee Leong. "Imaging and reflectance spectroscopy for the evaluation of effective camouflage in the SWIR." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Dec%5FHo.pdf.

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Thesis (M.S. in Combat Systems Sciences and Technology)--Naval Postgraduate School, December 2007.<br>Thesis Advisor(s): Haegel, Nancy ; Karunasiri, Gamani. "December 2007." Description based on title screen as viewed on January 18, 2008. Includes bibliographical references (p. 65-67). Also available in print.
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3

Oja, Martin, and Sebastian Olsson. "Stand-alone Dual Sensing Single Pixel Camera in SWIR." Thesis, Linköpings universitet, Fysik och elektroteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-158206.

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A Single pixel camera is just that, a camera that uses only a single pixel to take images. Though, it is a bit more to it than just a pixel. It requires several components which will be explained in the thesis. For it to be viable it also needs the sampling technology Compressive sensing which compresses the data in the sampling stage, thus reducing the amount of data required to be sampled in order to reconstruct an image. This thesis will present the method of building an SPC with the required hardware and software. Different types of experiments, such as detection of small changes in a scen
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4

Simon, Apolline A. "Décryptage des paramètres physico-chimiques critiques favorisant la diffusion efficace des nanoparticules dans des modèles tumoraux." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0046.

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La bio-imagerie d’environnements biologiques, complexes et hétérogènes utilisant des nanoparticules est uniquement pertinente si leurs propriétés intrinsèques et de surface sont contrôlées pour favoriser une diffusion en profondeur. En effet, la forme (rapports de forme, nanotubes, nanosphères), les dimensions (quelques nanomètres à quelques dizaines de nanomètres), les charges de surface et les interactions de surface avec le milieu environnant sont des paramètres décisifs. Ils régulent par exemple la mobilité et le devenir des nanoparticules à l’intérieur des milieux biologiques, dont par ex
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5

Ruff, Edward Clark III. "Electro-Optic Range Signatures of Canonical Targets Using Direct Detection LIDAR." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1522922373060272.

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6

Walsh, Brendan. "Seismic signal processing for single well imaging applications." Thesis, University of Edinburgh, 2007. http://hdl.handle.net/1842/9784.

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This thesis focuses on the concept of Single Well Imaging (SWI) in which a seismic source and receivers are deployed in a borehole to investigate the surrounding geology. The Uniwell project (1997-1999) was the first attempt to develop the SWI method; it used a fluid-coupled downhole source, which unfortunately generated high amplitude guided waves in the borehole which obscured all other useful information. Initial research work detailed in this thesis focused on removing the high amplitude guided waves, known as tube waves. Two-step source signature deconvolution using first the recorded sou
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7

Heeger, Christof [Verfasser]. "Flashback investigations in a premixed swirl burner by high-speed laser imaging / Christof Heeger." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2012. http://d-nb.info/1106114701/34.

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8

Periagaram, Karthik Balasubramanian. "Determination of flame characteristics in a low swirl burner at gas turbine conditions through reaction zone imaging." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45828.

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This thesis explores the effects of operating parameters on the location and shape of lifted flames in a Low Swirl Burner (LSB). In addition, it details the development and analysis of a CH PLIF imaging system for visualizing flames in lean combustion systems. The LSB is studied at atmospheric pressure using LDV and CH PLIF. CH* chemiluminescence is used for high pressure flame imaging. A four-level model of the fluorescing CH system is developed to predict the signal intensity in hydrocarbon flames. Results from imaging an atmospheric pressure laminar flame are used to validate the behavior o
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9

Böttcher, Rene. "Differenzierung von ZNS-Läsionen der Enzephalomyelitis disseminata mittels suszeptibilitätsgewichteter Magnetresonanzbildgebung (SWI)." Doctoral thesis, Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-223241.

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Die Magnetresonanztomographie stellt für die Detektion von zerebralen und spinalen Läsionen bei der Multiplen Sklerose die sensitivste bildgebende Methode dar und ist ein Instrument, die räumliche und zeitliche Dissemination der Erkrankung abbilden zu können. Die Spezifität des Verfahrens ist aber gering und die Applikation von MR-Kontrastmittel bei der Diagnostik zwingend notwendig. Bei der suszeptibilitätsgewichteten Magnetresonanzbildgebung (SWI) handelt sich um ein MR-Verfahren, das Schwankungen der magnetischen Suszeptibilität in der Gradientenechosequenz nutzt, um einen Bildkontra
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10

Schröder, Nikolaus Christian [Verfasser], and Götz [Akademischer Betreuer] Thomalla. "Charakterisierung der Gefäßveränderungen bei zerebraler Ischämie mittels Susceptibility Weighted Imaging (SWI) / Nikolaus Christian Schröder ; Betreuer: Götz Thomalla." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2017. http://d-nb.info/1137323655/34.

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11

Duvaldt, Maria. "Developing a Semi-Automatised Tool for Grading Brain Tumours with Susceptibility-Weighted MRI." Thesis, Umeå universitet, Institutionen för fysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-107993.

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Gliomas are a common type of brain tumour and for the treatment of a patient it is important to determine the tumour’s grade of malignancy. This is done today by a biopsy, a histopathological analysis of the tumourous tissue, that is classified by the World Health Organization on a malignancy scale from I to IV. Recent studies have shown that the local image variance (LIV) and the intratumoural susceptibility signal (ITSS) in susceptibility-weighted MR images correlate to the tumour grade. This thesis project aims to develop a software program as aid for the radiologists when grading a glioma.
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12

"SWIR Imaging and Echelle Spectroscopy via Compressive Sensing." Thesis, 2012. http://hdl.handle.net/1911/70499.

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A new sampling theory, called compressive sensing (CS), has recently emerged and its fundamental idea can be distilled as: it is possible to obtain near complete recovery of a signal/image from a small set of mixed measurements of it if the signal/image possesses properties akin to sparseness. Based on this theory, we have developed a unique hardware platform for imaging and spectroscopy applications which incorporates a spatial modulator and a single pixel detector. Random projections of the signal/image are applied to the light modulator and the modulated light is focused on the single detec
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13

Tseng, Hsin-Miao, and 曾新淼. "Analysis and Research of Shortwave Infrared(SWIR) Imaging System." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/29137226335483173297.

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碩士<br>國立交通大學<br>理學院應用科技學程<br>100<br>ABSTRACT Shortwave infrared (Short Wave InfraRed, SWIR), its wavelength is 0.9 ~ 1.7um,the spectrum of this band in nature for the human eye can not seen, the heat sensor developed by the majority on the early military purposes in this range. Since the detection of the thermal sensor is not subjected to the limitations of weather conditions,we can get the accurate identification,rather the sensitivity of the sensor itself the target, The development of the thermal sensor technology becomes more sophisticated, and the cost is substantially reduced, so the pr
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14

POTENZA, FABIO. "Tecniche e procedure innovative per il trattamento dei rifiuti provenienti da plastiche post-imballaggio e apparecchiature elettriche ed elettroniche finalizzato al riciclo." Doctoral thesis, 2017. http://hdl.handle.net/11573/939375.

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Lo scopo del lavoro di ricerca è stato lo sviluppo di applicazioni per il recupero e il riciclo dei materiali, partendo da approcci classici di separazione e caratterizzazione fino all’utilizzo di strumenti innovativi per il riconoscimento e il monitoraggio dei materiali attraverso applicazioni di imaging iperspettrale. Uno degli obiettivi della ricerca, è stato quello di utilizzare sistemi di acquisizione HyperSpectral Imaging (HSI) per ottenere informazioni utili per l’esplorazione dei dati, applicando metodi di analisi multivariata in modalità supervisionata; pertanto l’applicazione di un
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15

Teixeira, Rui Pedro Azeredo Gomes. "Advanced brain imaging: from adult to neonates." Master's thesis, 2013. http://hdl.handle.net/10451/9441.

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Tese de mestrado em Engenharia Biomédica e Biofísica, apresentada à Universidade de Lisboa, através da Faculdade de Ciências, 2013<br>Com o crescente aumento das intensidades de campo magnético e performance dos gradientes em ressonância magnética (RM), novas técnicas de imagiologia médica têm surgido que apresentam novos contrastes entre diferentes tecidos. No entanto, este tipo de imagens são desenvolvidas e optimizadas para o cérebro adulto que se sabe ter tempos de relaxação diferentes daqueles presentes no cérebro de um recém-nascido. Esta diferença é inerente ao alto teor em água present
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16

Böttcher, Rene. "Differenzierung von ZNS-Läsionen der Enzephalomyelitis disseminata mittels suszeptibilitätsgewichteter Magnetresonanzbildgebung (SWI): Differenzierung von ZNS-Läsionen der Enzephalomyelitis disseminata mittels suszeptibilitätsgewichteter Magnetresonanzbildgebung (SWI)." Doctoral thesis, 2016. https://ul.qucosa.de/id/qucosa%3A15574.

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Die Magnetresonanztomographie stellt für die Detektion von zerebralen und spinalen Läsionen bei der Multiplen Sklerose die sensitivste bildgebende Methode dar und ist ein Instrument, die räumliche und zeitliche Dissemination der Erkrankung abbilden zu können. Die Spezifität des Verfahrens ist aber gering und die Applikation von MR-Kontrastmittel bei der Diagnostik zwingend notwendig. Bei der suszeptibilitätsgewichteten Magnetresonanzbildgebung (SWI) handelt sich um ein MR-Verfahren, das Schwankungen der magnetischen Suszeptibilität in der Gradientenechosequenz nutzt, um einen Bildkontrast zu e
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17

Eissa, Amir. "Investigation of gradient echo MRI for blood vessel imaging and susceptibility-weighted imaging in the human brain." Phd thesis, 2010. http://hdl.handle.net/10048/1131.

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Thesis (Ph. D.)--University of Alberta, 2010.<br>Title from pdf file main screen (viewed on July 17, 2010). A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Doctor of Philosophy, [Department of] Physics, University of Alberta. Includes bibliographical references.
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18

Sunil, Sanadi Dilip. "Dynamics of Hollow Cone Spray in an Unconfined, Isothermal, Co-Annular Swirling Jet Environment." Thesis, 2015. http://etd.iisc.ac.in/handle/2005/3866.

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The complex multiphase flow physics of spray-swirl interaction in both reacting and non-reacting environment is of fundamental and applied significance for a wide variety of applications ranging from gas turbine combustors to pharmaceutical drug nebulizers. Understanding the intricate dynamics between this two phase flow field is pivotal for enhancing mixing characteristics, reducing pollutant emissions and increasing the combustion efficiency in next generation combustors. The present work experimentally investigates the near and far-field break-up, dispersion and coalescence characteristics
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19

Sunil, Sanadi Dilip. "Dynamics of Hollow Cone Spray in an Unconfined, Isothermal, Co-Annular Swirling Jet Environment." Thesis, 2015. http://etd.iisc.ernet.in/2005/3866.

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The complex multiphase flow physics of spray-swirl interaction in both reacting and non-reacting environment is of fundamental and applied significance for a wide variety of applications ranging from gas turbine combustors to pharmaceutical drug nebulizers. Understanding the intricate dynamics between this two phase flow field is pivotal for enhancing mixing characteristics, reducing pollutant emissions and increasing the combustion efficiency in next generation combustors. The present work experimentally investigates the near and far-field break-up, dispersion and coalescence characteristics
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