Academic literature on the topic 'Speckle'

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Journal articles on the topic "Speckle"

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Dove, Justin, and Jeffrey H. Shapiro. "Speckled speckled speckle." Optics Express 28, no. 15 (2020): 22105. http://dx.doi.org/10.1364/oe.398226.

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Wubalem, Azemeraw, Chiara Caselle, Battista Taboni, and Gessica Umili. "Effects of Rock Texture on Digital Image Correlation." Geosciences 15, no. 4 (2025): 145. https://doi.org/10.3390/geosciences15040145.

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Digital image correlation (DIC) is a non-contact optical method that can provide high-resolution strain and displacement measurements, but its effectiveness depends on surface texture contrast. This study investigates the effects of surface characteristics on the quality of DIC results in tonalite and marble samples under Brazilian tests. Tonalite samples have a coarse texture with a heterogeneous mineral composition; therefore, DIC analysis was conducted without artificial speckle patterns. Marble, instead, poses a challenge due to its uniform fine texture and composition. Thus, using point a
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Alexander, Katherine A., Ruofan Yu, Christine Faunce, et al. "Abstract PR010: In-“speck”-ting the nucleus: Nuclear speckles are a critical layer of gene regulation that predict outcomes in clear cell renal cell carcinoma." Cancer Research 83, no. 16_Supplement (2023): PR010. http://dx.doi.org/10.1158/1538-7445.kidney23-pr010.

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Abstract Nuclear speckles are dynamic substructures within the nucleus that contain a myriad of factors involved in gene activation. While nuclear speckles were discovered over 100 years ago, how they vary in human health and disease and the consequences of such variation remain enigmatic. Using RNA-seq data to estimate nuclear speckle content, we found that nuclear speckle phenotypes vary reproducibly in >20 cancer types. Of these cancers, nuclear speckle variation predicted patient outcomes specifically in clear cell renal cell carcinoma (ccRCC). This ccRCC speckle sensitivity was con
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Law, Wee King, Hao Liang Wang, Cheng Hao Song, Chin Seong Lim, Zhen Zhong Sun, and Kok Cheong Wong. "Influence of Magnetron Sputtering Parameters on Speckle Characteristics for Application in Microscale DIC of Maraging Steel." Materials Science Forum 1154 (June 30, 2025): 37–42. https://doi.org/10.4028/p-ht69dm.

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Magnetron sputtering was utilised to deposit submicron-sized speckle patterns for microscale digital image correlation (DIC) of 18Ni-300 maraging steel. A Taguchi orthogonal array consisting of four configurations was used to investigate the influence of magnetron sputtering parameters (i.e. sputter current, sputter duration, and chamber pressure during sputtering) on the resultant speckle characteristics. Increasing the sputter current resulted in larger-sized speckles, while increasing the sputter duration resulted in larger-sized speckles at expenses size uniformity of speckles. A higher ch
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Ulyanov, Sergey S. "Speckle-interferometry and speckle-correlometry of GB-speckles." Frontiers in Bioscience 24, no. 4 (2019): 700–711. http://dx.doi.org/10.2741/4744.

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Blagova, T. V., and I. Sh Khasanov. "Contribution of wave aberrations represented by Zernike polynomials to the cross-correlation function between distorted and actual speckle patterns." Journal of Physics: Conference Series 2091, no. 1 (2021): 012009. http://dx.doi.org/10.1088/1742-6596/2091/1/012009.

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Abstract Speckles are sensitive to the slightest inhomogeneities of the medium, which is used in optical research methods such as speckle interferometry. However, the stochastic nature of propagation of speckle fields complicates their accurate detection and processing. For example, aberrations in the optical system result in the decorrelation of the image of speckles with the actual speckles that are observed in free space. The report will consider the main types of wave aberrations of optical system and their influence on the correlation properties of speckle patterns. The research results c
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Freund, Isaac, and David A. Kessler. "Singularities in speckled speckle." Optics Letters 33, no. 5 (2008): 479. http://dx.doi.org/10.1364/ol.33.000479.

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Hu, Yan, Matt Plutz, and Andrew S. Belmont. "Hsp70 gene association with nuclear speckles is Hsp70 promoter specific." Journal of Cell Biology 191, no. 4 (2010): 711–19. http://dx.doi.org/10.1083/jcb.201004041.

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Many mammalian genes localize near nuclear speckles, nuclear bodies enriched in ribonucleic acid–processing factors. In this paper, we dissect cis-elements required for nuclear speckle association of the heat shock protein 70 (Hsp70) locus. We show that speckle association is a general property of Hsp70 bacterial artificial chromosome transgenes, independent of the chromosome integration site, and can be recapitulated using a 2.8-kilobase HSPA1A gene fragment. Association of Hsp70 transgenes and their transcripts with nuclear speckles is transcription dependent, independent of the transcribed
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Waterman-Storer, C. M., and W. C. Salmon. "Fluorescent Speckle Microscopy in Studies of Cytoskeletal Dynamics During Cell Motility." Microscopy and Microanalysis 7, S2 (2001): 6–7. http://dx.doi.org/10.1017/s1431927600026106.

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We have discovered a new method, Fluorescent Speckle Microscopy (FSM), for analyzing the dynamic movement and turnover of macromolecular protein assemblies, such as the cytoskeleton, in living cells (Waterman-Storer et al., 1998). FSM compliments or replaces the techniques of fluorescence recovery after photobleaching or photoactivation of fluorescence for measuring protein dynamics in vivo. For FSM, cells are microinjected with a very low fraction of fluorescently labeled subunits that co-assemble with unlabeled subunits to give a structure with a fluorescent speckled appearance in diffractio
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Desai, K. M., C. R. Gwinn, J. Reynolds, et al. "Speckles in Interstellar Radio-Wave Scattering." International Astronomical Union Colloquium 131 (1991): 238–41. http://dx.doi.org/10.1017/s0252921100013385.

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AbstractObservations of speckles in the scattering disk of the Vela pulsar are presented and speckle techniques for studying and circumventing scattering of radio waves by the turbulent interstellar plasma are discussed. The speckle pattern contains, in a hologrammatic fashion, complete information on the structure of the radio source as well as the distribution of the scattering material. Speckle observations of interstellar scattering of radio waves are difficult because of their characteristically short timescales (≈seconds) and narrow bandwidths (≈kHz). Here, we present first observations,
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Dissertations / Theses on the topic "Speckle"

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Andersson, Angelica. "Combined speckle interferometry and speckle correlation for non-destructive testing." Licentiate thesis, Luleå tekniska universitet, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17020.

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When a sample is studied during loading in a tensile test machine, the sample is often exposed to rigid body motions during loading at the same time as it deforms due to tension. Therefore, the small deformation field is hard, or impossible, to measure when it is overlaid by a large motion. The large rigid body motions can be measured with methods like speckle correlation (also called digital speckle photography, DSP), but the results might be of too poor accuracy to resolve the deformation field. Interferometric methods on the other hand might measure the deformation field but the rigid body
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Grantham, Stephen Gary. "Digital speckle radiography." Thesis, University of Cambridge, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619648.

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Alaimo, M. D. "Heterodyne speckle velocimetry." Doctoral thesis, Università degli Studi di Milano, 2007. http://hdl.handle.net/2434/61272.

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Huang, Jen-Rong. "Optoelectronic speckle shearing interferometry." Thesis, Cranfield University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309680.

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Atcha, Hashim. "Optoelectronic speckle pattern interferometry." Thesis, Cranfield University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282405.

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Evanschitzky, Peter. "Simulationsgestützte Oberflächendiagnostik mittels Speckle-Interferometrie." [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=965479129.

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An, Wei. "Industrial applications of speckle techniques." Doctoral thesis, KTH, Production Engineering, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3342.

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Syratt, Richard William. "Angular correlations of speckle patterns." Thesis, Imperial College London, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261820.

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Rodrigues, Silvestre. "Efeito estocastico em Speckle dinamico." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257030.

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Orientadores: Inacia Maria Dal Fabbro, Roberto Alves Braga Junior<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agricola<br>Made available in DSpace on 2018-08-09T03:56:10Z (GMT). No. of bitstreams: 1 Rodrigues_Silvestre_D.pdf: 5874424 bytes, checksum: f82d98473ad716d4bbdd08a46b90d886 (MD5) Previous issue date: 2007<br>Resumo: Este trabalho tem por objetivo contribuir para o desenvolvimento de uma metodologia de análise de vitalidade de tecidos vivos, por meio de um modelo estocástico destinado a interpretar e quantificar Padrão associadas ao fenômeno conhe
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Conrad, III Dallis G. "Speckle Statistics of Articulating Objects." University of Dayton / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1320673424.

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Books on the topic "Speckle"

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S, Sirohi R., ed. Speckle metrology. Marcel Dekker, 1993.

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Dodson, Emma. Speckle the spider. Candlewick Press, 2010.

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Gonc̦alves, Armando Albertazzi, and Guillermo H. Kaufmann. Speckle 2010: Optical metrology :13-15 September 2010, Florianópolis, Brazil. Edited by SPIE (Society), Universidade Federal de Santa Catarina. Labmetro, Society for Experimental Mechanics (U.S.), and Conselho Nacional de Desenvolvimento Científico e Tecnológico. SPIE, 2010.

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Jacquot, Pierre, and Jean-Marc Fournier, eds. Interferometry in Speckle Light. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-57323-1.

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Pierre, Slangen, Cerruti Christine, Ecole des mines d'Alès, SPIE Europe, and Society of Photo-optical Instrumentation Engineers., eds. Speckles, from grains to flowers: Speckle06 : 13-15 September, 2006, Nîmes, France. SPIE, 2006.

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Bloise, Felix Salazar. Speckle photography and speckle interferonmetry and their applications to mechanic solid problems. Research Signpost, 2008.

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Schwarz, Oliver. Hybrid phase unwrapping in laser speckle interferometry with overlapping windows. Shaker, 2004.

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J, Rabal Hector, and Braga Roberto A. Jr, eds. Dynamic laser speckle and applications. CRC/Taylor & Francis, 2009.

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S, Sirohi R., and Society of Photo-optical Instrumentation Engineers., eds. Selected papers on speckle metrology. SPIE Optical Engineering Press, 1991.

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Hamed, Abdallah. Speckle Imaging Using Aperture Modulation. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-58300-1.

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Book chapters on the topic "Speckle"

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Yadav, Rahul. "Laser Speckle." In Encyclopedia of Ophthalmology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35951-4_635-1.

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Donges, Axel, and Reinhard Noll. "Speckle Metrology." In Springer Series in Optical Sciences. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43634-9_8.

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Christou, J. C. "Speckle Interferometry." In Highlights of Astronomy. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0977-9_88.

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Yadav, Rahul. "Laser Speckle." In Encyclopedia of Ophthalmology. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-540-69000-9_635.

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Weik, Martin H. "speckle effect." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_17861.

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Weik, Martin H. "speckle noise." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_17862.

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Weik, Martin H. "speckle pattern." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_17863.

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Gan, Yimin, and Wolfgang Steinchen. "Speckle Methods." In Springer Handbook of Experimental Solid Mechanics. Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-30877-7_23.

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Schnars, Ulf, Claas Falldorf, John Watson, and Werner Jüptner. "Speckle Metrology." In Digital Holography and Wavefront Sensing. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-44693-5_8.

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Healey, A. J., and S. Leeman. "Speckle Definitions." In Acoustical Imaging. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1943-0_26.

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Conference papers on the topic "Speckle"

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Wu, X. P., S. Q. Shen, and Fu-Pen Chiang. "Chromatic speckle: its characteristics and applications." In OSA Annual Meeting. Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.tuf10.

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It is well known that when a diffusing surface is illuminated by a coherent or quasi-monochromatic light source, a volume of random speckle is created. We examine a new phenomenon: when a diffusing surface is illuminated by a broad bandlimited or even white-light source (e.g., incandescent lamp, arc lamp, or sunlight) a field of colored speckles exists in the region near the rough surface. We refer to them as chromatic speckles. In this article we explore the statistical properties of the chromatic speckle, its 3-D size and its relationship to the roughness of the generating surface. We also e
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Goodman, Joseph W. "The ubiquitous speckle phenomenon." In Speckle06: Speckles, From Grains to Flowers, edited by Pierre Slangen and Christine Cerruti. SPIE, 2006. http://dx.doi.org/10.1117/12.695251.

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Federico, Alejandro, and Guillermo H. Kaufmann. "Multifractals and dynamic speckle." In Speckle06: Speckles, From Grains to Flowers, edited by Pierre Slangen and Christine Cerruti. SPIE, 2006. http://dx.doi.org/10.1117/12.695839.

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Hanson, Steen G., Theis Faber Quist F. Q. Iversen, and René Skov Hansen. "Dynamic properties of speckled speckles." In Speckle 2010, edited by Armando Albertazzi Goncalves, Jr. and Guillermo H. Kaufmann. SPIE, 2010. http://dx.doi.org/10.1117/12.870934.

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Orteu, Jean-José, Dorian Garcia, Laurent Robert, and Florian Bugarin. "A speckle texture image generator." In Speckle06: Speckles, From Grains to Flowers, edited by Pierre Slangen and Christine Cerruti. SPIE, 2006. http://dx.doi.org/10.1117/12.695280.

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Carvalho, O., S. Guyot, L. Roy, M. Benderitter, and B. Clairac. "Speckle: tool for diagnosis assistance." In Speckle06: Speckles, From Grains to Flowers, edited by Pierre Slangen and Christine Cerruti. SPIE, 2006. http://dx.doi.org/10.1117/12.695858.

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Marron, Joseph, and G. Michael Morris. "Image recognition in the presence of speckle." In OSA Annual Meeting. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.mj5.

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Techniques for performing digital image recognition on speckled images are presented. Rather than performing speckle reduction, the speckled image is correlated directly with a reference function. Statistical properties of the correlation value are derived using the multiplicative noise model for image plane speckle. It follows that the correlation value is a Gaussian random variable. Statistical detection theory dictates that images are distinguishable when the standard derivations of the correlation values are small compared to the separation of the mean values. Several reference functions a
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Piederrière, Y., F. Boulvert, G. Le Brun, B. Le Jeune, Y. Guern, and J. Cariou. "Speckle and polarization for biomedical applications." In Speckle06: Speckles, From Grains to Flowers, edited by Pierre Slangen and Christine Cerruti. SPIE, 2006. http://dx.doi.org/10.1117/12.695257.

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Yamaguchi, Ichirou, Takashi Ida, Masayuki Yokota, and Koichi Kobayashi. "Material testing by digital speckle correlation." In Speckle06: Speckles, From Grains to Flowers, edited by Pierre Slangen and Christine Cerruti. SPIE, 2006. http://dx.doi.org/10.1117/12.695274.

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Chiang, Fu-pen. "Electron speckle photography: some recent advances." In Speckle06: Speckles, From Grains to Flowers, edited by Pierre Slangen and Christine Cerruti. SPIE, 2006. http://dx.doi.org/10.1117/12.695368.

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Reports on the topic "Speckle"

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Strittmatter, P. A., and E. K. Hege. Speckle Image Reconstruction. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada158653.

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Crimmins, Thomas R. Geometric Speckle Reduction. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada174628.

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George, Nicholas. Image Science Research for Speckle-based LADAR (Speckle Research for 3D Imaging LADAR). Defense Technical Information Center, 2008. http://dx.doi.org/10.21236/ada482686.

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McAlister, Harold A. Astronomical Observations by Speckle Interferometry. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada170069.

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George, Nicholas. Speckle Research for 3D Imaging LADAR. Defense Technical Information Center, 2011. http://dx.doi.org/10.21236/ada544760.

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Carrano, C. Optical System Case Studies for Speckle Imaging. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1108865.

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Carrano, C. Enhanced Video Surveillance (EVS) with speckle imaging. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/15009764.

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Noyes, Robert W., Peter Nisenson, Costas Papaliolios, and Robert V. Stachnik. High Resolution Astrophysical Observations Using Speckle Imaging. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada170430.

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Mason, Brian, William I. Hartkopf, Douglas R. Gies, Todd J. Henry, and Andrei A. Tokovinin. Speckle Interferometry of Massive and Cluster Stars. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada480126.

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Bowers, M. W., C. Kecy, L. Little, et al. Speckle Reduction for LIDAR Using Optical Phase Conjugation. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/15013526.

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