Добірка наукової літератури з теми "Polarimetric camera"
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Статті в журналах з теми "Polarimetric camera":
Birch, Philip, Rupert Young, and Chris Chatwin. "Multiple-view polarimetric camera." Applied Optics 57, no. 22 (July 24, 2018): 6329. http://dx.doi.org/10.1364/ao.57.006329.
Chen, Mingce, Zhexun Li, Mao Ye, Taige Liu, Chai Hu, Jiashuo Shi, Kewei Liu, Zhe Wang, and Xinyu Zhang. "All-In-Focus Polarimetric Imaging Based on an Integrated Plenoptic Camera with a Key Electrically Tunable LC Device." Micromachines 13, no. 2 (January 26, 2022): 192. http://dx.doi.org/10.3390/mi13020192.
Chenault, David B., Justin P. Vaden, Douglas A. Mitchell, and Erik D. Demicco. "Thermal Infrared Polarimetric Sensor for Automated Detection of Oil Spills." International Oil Spill Conference Proceedings 2017, no. 1 (May 1, 2017): 2017402. http://dx.doi.org/10.7901/2169-3358-2017.1.000402.
Liu, Mingxin, Xin Zhang, Tao Liu, Guangwei Shi, Lingjie Wang, and Yi Li. "On-Orbit Polarization Calibration for Multichannel Polarimetric Camera." Applied Sciences 9, no. 7 (April 4, 2019): 1424. http://dx.doi.org/10.3390/app9071424.
Tu Bihai, 涂碧海, 洪津 Hong Jin, 姚萍萍 Yao Pingping, 孟炳寰 Meng Binhuan, 袁银麟 Yuan Yinlin, 张苗苗 Zhang Miaomiao, and 翁建文 Weng Jianwen. "Polarization Detection Performance of Directional Polarimetric Camera." Acta Optica Sinica 40, no. 7 (2020): 0712003. http://dx.doi.org/10.3788/aos202040.0712003.
Huang, Chan, Guangfeng Xiang, Yuyang Chang, Lin Han, Miaomiao Zhang, Shuang Li, Bihai Tu, Binghuan Meng, and Jin Hong. "Pre-flight calibration of a multi-angle polarimetric satellite sensor directional polarimetric camera." Optics Express 28, no. 9 (April 17, 2020): 13187. http://dx.doi.org/10.1364/oe.391078.
Yuan, Y., Z. Liu, X. Zheng, Q. Kang, H. Wu, J. Li, S. Li, D. Luo, and J. Hong. "POLARIMETRIC CALIBRATION OF THE SPACEBORNE DIRECTIONAL POLARIMETRIC CAMERA INSTALLED ON THE GF-5 SATELLITE." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B1-2020 (August 6, 2020): 599–606. http://dx.doi.org/10.5194/isprs-archives-xliii-b1-2020-599-2020.
ZHANG Miao-miao, 张苗苗, 孟炳寰 MENG Bing-huan, 韩琳 HAN Lin, and 洪津 HONG Jin. "Correction of Ghost Artifacts for Directional Polarimetric Camera." ACTA PHOTONICA SINICA 48, no. 1 (2019): 111002. http://dx.doi.org/10.3788/gzxb20194801.0111002.
Takeda, Shin’ichiro, Hirokazu Odaka, Junichiro Katsuta, Shin-nosuke Ishikawa, So-ichiro Sugimoto, Yuu Koseki, Shin Watanabe, et al. "Polarimetric performance of Si/CdTe semiconductor Compton camera." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 622, no. 3 (October 2010): 619–27. http://dx.doi.org/10.1016/j.nima.2010.07.077.
Chen, Zhenyue, Xia Wang, Shaun Pacheco, and Rongguang Liang. "Impact of CCD camera SNR on polarimetric accuracy." Applied Optics 53, no. 32 (November 4, 2014): 7649. http://dx.doi.org/10.1364/ao.53.007649.
Дисертації з теми "Polarimetric camera":
Smith, Phillip. "The uses of a polarimetric camera." Thesis, Monterey, Calif. : Naval Postgraduate School, 2008. http://edocs.nps.edu/npspubs/scholarly/theses/2008/Sept/08Sep%5FSmith%5FPhillip.pdf.
Thesis Advisor(s): Olsen, R. C. "September 2008." Description based on title screen as viewed on November 4, 2008. Includes bibliographical references (p. 57-60). Also available in print.
Umansky, Mark. "A Prototype Polarimetric Camera for Unmanned Ground Vehicles." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23724.
Master of Science
Rodriguez, Joaquin. "Calibration and 3D vision with a color-polarimetric camera." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2023. http://www.theses.fr/2023UBFCK062.
Among the different sensing modalities, vision sensors are the ones thatprovide the most abundant environmental information. Additionally, the usage ofa short focal length lens allows to easily increase the observed area. The releaseof color and polarimetric imagers makes it possible to extend even more thepolarimetric application related to depth estimation. Indeed, the polarizationparameters of the reflected light are related to the nature and to the geometryof the objects, which can be used advantageously. In this thesis, our mainobjective is to study the usage of polarization data to enhance theperception capabilities applied to robotics tasks, particularly in the task ofscene depth reconstruction. Furthermore, we aim to push the knowledge in thefield of polarization imaging by providing other researchers with a set of toolsthat will allow them to quickly access the polarization modality. After doing acomplete introduction to the polarization theory and modeling, we describe howto calibrate a DoFP sensor. This sensing device allows to capture twomodalities (color and polarization) with a single snapshot. The new calibrationtechnique that we propose enables this device to provide more accuratemeasurements by fitting a mathematical model to each individual pixel. Themethod we present here aims to reduce the amount of equipment and, thus theexperimental time required to obtain calibrated measurements. We make a detailedexplanation of the physics underlying the Shape-from-Polarization technique, which enablesthe normal field estimation of an object by using polarization cues. All therequired equations as well as their inverted versions for deriving the vectorparameters from the polarization state are detailed while taking intoconsideration the type of reflection and material. We also put in evidence theeffects of our calibration algorithm over the estimation of the normal vectorfield by using polarization. The estimation of depth information usingartificial intelligence has seen significant growth in recent years. In thiscontext, we also propose a deep-learning network to estimate depth based on amiddle-fusion architecture, and a polarimetric loss function. The objective ofthis development is to show how to effectively integrate the polarization theoryconstraints into a data-driven algorithm. A qualitative and quantitativeevaluation of the results shows the interest of using an RGB-polarimetric imagerthanks to the contribution of the polarization information. During this researchwork, a complete software toolbox was also developed, providing the scientificcommunity with simplified access to polarimetric imaging
Perrot, Clément. "Imagerie directe de systèmes planétaires avec SPHERE et prédiction des performances de MICADO sur l’E-ELT." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC212/document.
This thesis is performed in the context of the study of the formation and evolution of planetary systems using high contrast imaging, also known as direct imaging in contrast to so-called "indirect" detection methods. The work I present in this manuscript is divided into two distinct parts.The first part concerns the observational component of my thesis, using the SPHERE instrument installed at Very LargeTelescope. This work was done as part of the consortium of the same name. The purpose of the SPHERE instrument is to detect and characterize young and massive exoplanets, but also circumstellar disks ranging from very young protoplanetary disks to older debris disks. In this manuscript, I present my contribution to the program SHINE, a large survey with an integration time of 200 nights' worth of observation, the goal of which is the detection of new exoplanets and the spectral and orbital characterization of some previously-known companions. I also present the two studies of circumstellar disks that I made, around the stars HD 141569 and HIP 86598. The first study allowed the discovery of concentric rings at about ten AU of the star along with an unusual flux asymmetry in the disk. The second study is about the discovery of a debris disk that also has an unusual flux asymmetry. The second part concerns the instrumental component of my thesis work done within the MICADO consortium, in charge of the design of the camera of the same name which will be one of the first light instruments of the European Extremely Large Telescope (ELT). In this manuscript, I present the study in which I define the design of some components of the coronagraphic mode of MICADO while taking into account the constraints of the instrument - which is not dedicated to high contrast imaging, unlike SPHERE
Torigoe, Marcelo. "Avaliação da camada de fibras nervosas da retina em pacientes com Doença de Alzheimer, utilizando o metodo do polarimetro de varredura a laser." [s.n.], 2001. http://repositorio.unicamp.br/jspui/handle/REPOSIP/310202.
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciências Médicas
Made available in DSpace on 2018-07-28T10:12:24Z (GMT). No. of bitstreams: 1 Torigoe_Marcelo_M.pdf: 16444336 bytes, checksum: 92fe8a666a9c759c3d5fb3ca350110f0 (MD5) Previous issue date: 2001
Resumo: A doença de Alzheimer é a forma mais comum de demência e afeta milhões de pessoas no mundo, aumentando sua prevalência com o aumento da expectativa de vida da população mundial. É caracterizada por uma deterioração da memória, linguagem, coordenação motora e reconhecimento visual. Existem evidências anátomofuncionais do acometimento no sistema visual periférico (retina e nervo óptico), onde são observadas uma diminuição da camada de células ganglionares da retina e no número de axônios no nervo óptico. Este estudo tem por objetivo comparar os resultados obtidos na avaliação da camada de fibras nervosas, utilizando o método do polarímetro de varredura a laser, em pacientes com doença de Alzheimer e indivíduos normais da mesma faixa etária. Estudou-se prospectivamente 31 indivíduos considerados neurologicamente normais e 11 indivíduos com diagnóstico de doença de Alzheimer (DA) provável...Observação: O resumo, na íntegra, poderá ser visualizado no texto completo da tese digital
Abstract: Background: Defmite diagnosis of Alzheimer' s disease is only possible through neuropathological examintion and criteria for clinical diagnosis are esscntially basedon exclusion of other dementing conditions. Visual performance is impaired in patients with senile dementia of Alzheimer' s discasc. Purpose: To evaluate the effect of Alzheimer' s disease on retinal nerve fiber layer thickness measurements obtained with scanning laser polarimeter GOx- II...Note: The complete abstract is available with the full electronic digital thesis or dissertations
Mestrado
Oftalmologia
Mestre em Ciências Médicas
Avelino, Rodrigo Rezende Gomes. "Influencia da redução medicamentosa da pressão intra-ocular na medida da espessura da camada de fibras nervosas da retina de olhos hipertensos e glaucomatosos pela polarimetria de varredura a laser." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/312262.
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas
Made available in DSpace on 2018-08-09T04:54:16Z (GMT). No. of bitstreams: 1 Avelino_RodrigoRezendeGomes_M.pdf: 2930957 bytes, checksum: c66d1b04f0e830ee3e2b0a2e3897981b (MD5) Previous issue date: 2007
Resumo: Objetivo: Avaliar o efeito da redução da pressão intra-ocular (PIO) obtido com o uso de terapia medicamentosa na espessura da camada de fibras nervosas da retina medida pela Polarimetria de Varredura a Laser (PVL) em pacientes glaucomatosos ou hipertensos oculares. Métodos: Trinta e sete olhos de 37 pacientes foram prospectivamente incluídos no estudo e avaliados com a PVL sem uso de medicação ocular hipotensora e num período entre 15 e 30 dias após a instituição de medicação ocular hipotensora, que resultou em redução da PIO de pelo menos 25%. Os parâmetros medidos pela PVL antes e após a redução da PIO foram comparados com o teste t de Student pareado. Resultados: A PIO média dos 37 pacientes diminuiu significativamente de 26,57 ± 4,23 mmHg para 16,54 ± 2,92 mmHg (p<0,05) após terapia medicamentosa. Não houve diferença estatisticamente significativa entre os valores dos 10 parâmetros do PVL medidos antes e após a administração de medicação ocular hipotensora (p>0,05). Conclusão: A redução da PIO com o uso de medicação ocular hipotensora não altera a medida da espessura da camada de fibras nervosas da retina pela PVL em pacientes com glaucoma ou hipertensão ocular
Abstract: Purpose: To evaluate changes in retinal nerve fiber layer thickness as measured by scanning laser polarimetry (SLP) after the use of medication to reduce intraocular pressure (IOP) in glaucomatous or ocular hypertensive patients. Methods: The authors prospectively enrolled 37 eyes of 37 patients in whom IOP was reduced by more than 25% after the use of medication. The images were obtained before and 15 to 30 days after the introduction of medication. The SLP parameters measured before and after the use of medication were compared using paired Student¿s t Test. Results: The mean IOP was significantly reduced from 26.57 ± 4.23 mmHg to 16.54 ± 2.92 mmHg after the use of medication (p<0.05). None of the 10 SLP analyzed parameters was significantly affected by the reduction of IOP with medication (p>0.05). Conclusion: The retinal nerve fiber layer thickness, as measured by SLP, is not affected by the reduction of IOP with medication in patients with glaucoma or ocular hypertension
Mestrado
Oftalmologia
Mestre em Ciências Médicas
Leal, Bruno Campêlo. ""Análise comparativa das medidas de espessura da camada de fibras nervosas da retina de pacientes com atrofia em banda do nervo óptico e de indivíduos normais através da tomografia de coerência óptica e da polarimetria a laser"." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/5/5149/tde-13092006-160053/.
Most diseases that affect the optic pathways present clinically with loss of one or more visual functions.When optic pathway injuries involve the anterior visual pathways they may cause loss of the retinal nerve fiber layer (RNFL) and "band atrophy" (BA). The purpose of this study was therefore to compare the ability of the optical coherence tomography (OCT) 1, the OCT 3 (Stratus OCT) and the scanning laser polarimetry (GDx) to differentiate normal eyes from eyes with BA of the optic nerve and temporal hemianopsia. Thirty-seven individuals in a total of 46 eyes divided equally in two groups were studied. Each one of the parameters, except the values from the nasal quadrant measured by the GDx, showed statistically significant difference when we compare normal patients with the BA group. The study also showed a gradual improvement of the sensibilities/specificities and of the AROC, with a better performance of the OCT1 compared to GDx and of the Stratus OCT compared to the OCT 1
""Análise comparativa das medidas de espessura da camada de fibras nervosas da retina de pacientes com atrofia em banda do nervo óptico e de indivíduos normais através da tomografia de coerência óptica e da polarimetria a laser"." Tese, Biblioteca Digital de Teses e Dissertações da USP, 2006. http://www.teses.usp.br/teses/disponiveis/5/5149/tde-13092006-160053/.
Тези доповідей конференцій з теми "Polarimetric camera":
Zhang, Lidan, Yimin Ding, Shengyuan Chang, Yao Duan, Xi Chen, and Xingjie Ni. "Metasurface-Enabled Hyperspectral Polarimetric Camera." In CLEO: QELS_Fundamental Science. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_qels.2022.fm4h.3.
Barbour, B. "Infrared Polarimetric Camera development." In Second International Conference on Detection of Abandoned Land Mines. IEE, 1998. http://dx.doi.org/10.1049/cp:19980705.
Barnes, Howard B., Michael W. Jones, and Paul K. Bishop. "Infrared polarimetric camera system development." In AeroSense '99, edited by Abinash C. Dubey, James F. Harvey, J. Thomas Broach, and Regina E. Dugan. SPIE, 1999. http://dx.doi.org/10.1117/12.357006.
Catanzaro, Brian, Jim Lorenz, and Mark Dombrowski. "Compact CMOS multispectral/polarimetric camera." In Defense and Security Symposium, edited by Sylvia S. Shen and Paul E. Lewis. SPIE, 2006. http://dx.doi.org/10.1117/12.666494.
Wang, Zhixiang, Yinqiang Zheng, and Yung-Yu Chuang. "Polarimetric Camera Calibration Using an LCD Monitor." In 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2019. http://dx.doi.org/10.1109/cvpr.2019.00386.
Nozawa, Itta, Masaki Amada, and Shinichiro Tsukahara. "Anomaly Detection of Injection Molded Products Using Polarimetric Camera and AnoGAN." In Imaging Systems and Applications. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/isa.2023.itu2e.6.
Charcos-Llorens, Miguel V., Stephen S. Eikenberry, Michelle L. Edwards, Nestor M. Lasso, Antonio Marin-Franch, and Christopher C. Packham. "Polarimetric capabilities with the Canarias InfraRed Camera Experiment (CIRCE)." In SPIE Astronomical Telescopes + Instrumentation, edited by Ian S. McLean and Mark M. Casali. SPIE, 2008. http://dx.doi.org/10.1117/12.788350.
Bertschy, Yannick, and Yoav Y. Schechner. "Vicarious spaceborne polarimetric camera calibration using solar power stations." In Polarization: Measurement, Analysis, and Remote Sensing XV, edited by David B. Chenault and Meredith K. Kupinski. SPIE, 2022. http://dx.doi.org/10.1117/12.2622496.
Können, G. P. "Halo Photopolarimetry and Direct Crystal Sizing." In Light and Color in the Open Air. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/lcoa.1993.thd.2.
Chenault, David B., and Justin P. Vaden. "Uncooled IR polarimetric imaging camera and performance metrics (Conference Presentation)." In Infrared Technology and Applications XLVI, edited by Gabor F. Fulop, Lucy Zheng, Bjørn F. Andresen, and John Lester Miller. SPIE, 2020. http://dx.doi.org/10.1117/12.2558851.