Bibliografías temáticas / Fundus camera

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Literatura académica sobre el tema "Fundus camera"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 26 de julio de 2025

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Artículos de revistas sobre el tema "Fundus camera"

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M. Bernardo, Bryan Joshua, and Donnie Y. Saludes, OD. "Improvised Fundus Camera." Journal of Optometry, Eye and Health Research 3, no. 1 (2021): 7. http://dx.doi.org/10.57002/joehr.v3i1.272.

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Through the years, examination of fundus of the eye has come a long way. Technology has played a major part in the development of fundus imaging from direct and indirect ophthalmoscopy up to portable fundus cameras. However, the high cost of fundus cameras in the market creates an impediment in acquiring and utilizing such. The aim of this research was to improvise a cheaper yet fully functional fundus camera. A quantitative quasi-experimental type of research to rate the created prototype by a total of 23 respondents was applied. The device was rated according to functionality, design, ease o
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Shen, Bailey Y., and Shizuo Mukai. "A Portable, Inexpensive, Nonmydriatic Fundus Camera Based on the Raspberry Pi® Computer." Journal of Ophthalmology 2017 (2017): 1–5. http://dx.doi.org/10.1155/2017/4526243.

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Purpose. Nonmydriatic fundus cameras allow retinal photography without pharmacologic dilation of the pupil. However, currently available nonmydriatic fundus cameras are bulky, not portable, and expensive. Taking advantage of recent advances in mobile technology, we sought to create a nonmydriatic fundus camera that was affordable and could be carried in a white coat pocket. Methods. We built a point-and-shoot prototype camera using a Raspberry Pi computer, an infrared-sensitive camera board, a dual infrared and white light light-emitting diode, a battery, a 5-inch touchscreen liquid crystal di
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Xiao, Baixiang, Qinghua Liao, Yanping Li, et al. "Validation of handheld fundus camera with mydriasis for retinal imaging of diabetic retinopathy screening in China: a prospective comparison study." BMJ Open 10, no. 10 (2020): e040196. http://dx.doi.org/10.1136/bmjopen-2020-040196.

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ObjectivesTo investigate the clinical validity of using a handheld fundus camera to detect diabetic retinopathy (DR) in China.Design and settingsProspective comparison study of the handheld fundus camera with a standard validated instrument in detection of DR in hospital and a community screening clinic in Guangdong Province, China.ParticipantsParticipants aged 18 years and over with diabetes who were able to provide informed consent and agreed to attend the dilated eye examination with handheld tests and a standard desktop camera.Primary and secondary outcome measuresPrimary outcome was the p
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Long, Tengfei, Yi Xu, Haidong Zou, et al. "A Generic Pixel Pitch Calibration Method for Fundus Camera via Automated ROI Extraction." Sensors 22, no. 21 (2022): 8565. http://dx.doi.org/10.3390/s22218565.

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Pixel pitch calibration is an essential step to make the fundus structures in the fundus image quantitatively measurable, which is important for the diagnosis and treatment of many diseases, e.g., diabetes, arteriosclerosis, hereditary optic atrophy, etc. The conventional calibration approaches require the specific parameters of the fundus camera or several specially shot images of the chess board, but these are generally not accessible, and the calibration results cannot be generalized to other cameras. Based on automated ROI (region of interest) and optic disc detection, the diameter ratio o
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Tsai, Meng-Ju, Yi-Ting Hsieh, Chin-Han Tsai, et al. "Cross-Camera External Validation for Artificial Intelligence Software in Diagnosis of Diabetic Retinopathy." Journal of Diabetes Research 2022 (March 9, 2022): 1–5. http://dx.doi.org/10.1155/2022/5779276.

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Aims. To investigate the applicability of deep learning image assessment software VeriSee DR to different color fundus cameras for the screening of diabetic retinopathy (DR). Methods. Color fundus images of diabetes patients taken with three different nonmydriatic fundus cameras, including 477 Topcon TRC-NW400, 459 Topcon TRC-NW8 series, and 471 Kowa nonmyd 8 series that were judged as “gradable” by one ophthalmologist were enrolled for validation. VeriSee DR was then used for the diagnosis of referable DR according to the International Clinical Diabetic Retinopathy Disease Severity Scale. Gra
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Ruan, Shang, Wei-Ting Hu, Hui-Xun Jia, et al. "A new handheld fundus camera combined with visual artificial intelligence facilitates diabetic retinopathy screening." International Journal of Ophthalmology 15, no. 4 (2022): 620–27. http://dx.doi.org/10.18240/ijo.2022.04.16.

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AIM: To explore the performance in diabetic retinopathy (DR) screening of artificial intelligence (AI) system by evaluating the image quality of a handheld Optomed Aurora fundus camera in comparison to traditional tabletop fundus cameras and the diagnostic accuracy of DR of the two modalities. METHODS: Overall, 630 eyes were included from three centers and screened by a handheld camera (Aurora, Optomed, Oulu, Finland) and a table-top camera. Image quality was graded by three masked and experienced ophthalmologists. The diagnostic accuracy of the handheld camera and AI system was evaluated in a
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Yao, Xincheng, Taeyoon Son, and Jiechao Ma. "Developing portable widefield fundus camera for teleophthalmology: Technical challenges and potential solutions." Experimental Biology and Medicine 247, no. 4 (2021): 289–99. http://dx.doi.org/10.1177/15353702211063477.

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A portable, low cost, widefield fundus camera is essential for developing affordable teleophthalmology. However, conventional trans-pupillary illumination used in traditional fundus cameras limits the field of view (FOV) in a snapshot image, and frequently requires pharmacologically pupillary dilation for reliable examination of eye conditions. This minireview summarizes recent developments in alternative illumination approaches for widefield fundus photography. Miniaturized indirect illumination has been used to enable compact design for developing low cost, portable, widefield fundus camera.
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Sunness, Janet S., Mary A. Johnson, Robert W. Massof, and David L. Kays. "Wilmer fundus camera stimulator." Applied Optics 26, no. 8 (1987): 1487. http://dx.doi.org/10.1364/ao.26.001487.

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DeHoog, Edward, Haitao Luo, Kazuhiko Oka, Eustace Dereniak, and James Schwiegerling. "Snapshot polarimeter fundus camera." Applied Optics 48, no. 9 (2009): 1663. http://dx.doi.org/10.1364/ao.48.001663.

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Ahsan, Shahid, Uzma Haseeb, Muhammad Saleh Memon, Sadia Bukhari, Tauseef Mahmood, and Muhammad Faisal Fahim. "Validity of Hand Held Fundus Camera by Optometrist using Slit lamp 90 d bio microscopy as a reference standard for screening of Diabetes Retinopathy." Journal of the Pakistan Medical Association 72, no. 11 (2022): 2189–92. http://dx.doi.org/10.47391/jpma.4235.

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Objective: To find out the validity of hand-held fundus camera by optometrist using slit lamp 90D biomicroscopy as reference standard for screening of diabetes retinopathy. Method: The observational cross-sectional study was conducted at the diabetic clinic of Al-Ibrahim Eye Hospital, Karachi, from August 2020 to May 2021, and comprised diabetics of either gender aged >16 years visiting the outpatient department. Un-dilated fundus photograph of both eyes were taken with non-mydriatic fundus camera. Pupils were then mid-dilated with one drop of tropicamide 1% before capturing retinal images
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Tesis sobre el tema "Fundus camera"

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DeHoog, Edward Allen. "Novel Fundus Camera Design." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/195633.

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A fundus camera a complex optical system that makes use of the principle of reflex free indirect ophthalmoscopy to image the retina. Despite being in existence as early as 1900's, little has changed in the design of a fundus camera and there is minimal information about the design principles utilized. Parameters and specifications involved in the design of fundus camera are determined and their affect on system performance are discussed. Fundus cameras incorporating different design methods are modeled and a performance evaluation based on design parameters is used to determine the effectivene
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Hartlová, Marie. "Analýza cév optického disku v sérii snímků z experimentální fundus kamery." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-220370.

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Segmentation of the vasculature is an important step in the process of the retinal image analysis.Theresultsoftheanalysiscanbeusedtodiagnoseseveraleyeandcardiovascular diseases. The aim of this thesis is to search for possibilities in video-sequences from experimental fundus camera.
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Modugno, Rodrigo Gonzalez. "Uma contribuição ao projeto de retinógrafos digitais." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18153/tde-29042009-090053/.

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Este trabalho apresenta as metodologias que foram empregadas no desenvolvimento de um equipamento de retinografia digital. O sistema proposto foi inteiramente desenvolvido, e manufaturado no Brasil, tornando-se o primeiro retinógrafo digital com tecnologia nacional. O equipamento descrito nesta dissertação é capaz de realizar tanto retinografias, que são imagens capturadas para observação do fundo de olho, quanto angiografias, que são exames nos quais, por meio da administração de contrastes, é possível destacar estruturas específicas da retina. Estes procedimentos permitem o diagnóstico de di
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Běťák, Ondřej. "Multimodální registrace retinálních snímků z fundus kamery a OCT." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219716.

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V první části se práce se zabývá rešerší metod a principů potřebných při registraci obrazu. Dále pak popisuje zobrazovací systémy očního pozadí jako jsou OCT, fundus kamera a SLO. Druhá část práce je zaměřena na praktickou realizaci programů pro registraci snímků z OCT, SLO a fundus kamery v programovém prostředí Matlab.
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Alterini, Tommaso. "Hyperspectral imaging system for the fast recording of the ocular fundus." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/672138.

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Vision loss affects physical, psychological, and emotional wellbeing and social life as well. High life expectancy and health policies are translated into an aging population worldwide, which has higher risk of eye’s disorders and diseases. Therefore, new systems able to contribute at non-invasive objective diagnosis of ocular diseases are demanded. In this context, optical imaging techniques have a primary role as they allow obtaining information from almost any part of the eye. In particular, many important eye and systemic diseases early manifest themselves in the retina and, since the pion
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Šikula, Viktor. "Lícování snímků sítnice pomocí metody fázové korelace." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219201.

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This master thesis deals with retinal image registration using phase correlation technique. There are described properties of retinal images and modality of scanning. A geometrical transformation encompasing scale, rotation and translation between two retinal images is considered and the whole registration framework is described. There are used retinal images from fundus camera and scanning laser ophthalmoscope (SLO). In this thesis is described corresponding bifurcations detection using phase correlation and registration using second-order polynomial transformation. The results are subjective
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Klimeš, Filip. "Zpracování obrazových sekvencí sítnice z fundus kamery." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-220975.

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Cílem mé diplomové práce bylo navrhnout metodu analýzy retinálních sekvencí, která bude hodnotit kvalitu jednotlivých snímků. V teoretické části se také zabývám vlastnostmi retinálních sekvencí a způsobem registrace snímků z fundus kamery. V praktické části je implementována metoda hodnocení kvality snímků, která je otestována na reálných retinálních sekvencích a vyhodnocena její úspěšnost. Práce hodnotí i vliv této metody na registraci retinálních snímků.
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Tebenkova, Iuliia. "Klasifikace cévního řečiště na snímcích sítnice." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220067.

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Retinal image analysis plays a very important role, as human gets around 90% of environment information with the help of eyes. Automation of process of retinal image analysis promotes to improve the efficiency of retinal medical examinations. The following thesis is dedicated to automatic classification methods of retinal vascular system images obtained from a digital fundus camera. Vessel classification method using classifier on the base of neural networks, which is trained and then tested on the retinal vessel segments, is investigated and implemented. In this thesis anatomical retinal surv
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Oliveira, André Orlandi de. "Retinógrafo coaxial não-midriático." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-01122017-144856/.

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Retinógrafo é um complexo sistema óptico que, simultaneamente, ilumina e captura imagens da retina. Basicamente, esse equipamento é composto por três módulos: iluminação, lente objetiva e detecção. Em razão de seu sofisticado desenho óptico, é possível conciliar baixa refletividade da retina e obtenção de imagens de alta qualidade. Entretanto, em virtude do alto número de componentes não-coaxiais do módulo de iluminação, seu alinhamento óptico se torna complexo. Neste trabalho, é apresentado um sistema óptico totalmente coaxial para um retinógrafo nãomidriático. A óptica de iluminação tradicio
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Dostál, Vladimír. "Předzpracování obrazů sítnice." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218663.

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This thesis deals with the principle of capturing images of the retina of fundus camera, their features and then preprocessing. The aim of preprocessing is the correction of nonillumination in images of the retina. The model of non-illumination is obtained by using parametric surfaces. Coons surface was selected from a set of surfaces based on the knowledge of retinal images. This has been approximated by a non-uniform illumination. Then the thesis concentrates on describing the methods involving shading corrections. Compensation of non-uniform illumination is based on the use of parametric su
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Libros sobre el tema "Fundus camera"

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(Bolivia), Movimiento al Socialismo, ed. La autonomía de los inquilinos: Extranjeros disfrazados de bolivianos quieren fundar la Nación Camba en territorio ajeno. C. Kolkichuyma P'ankara, 2008.

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Flores, Cristóbal Colque. La autonomía de los inquilinos: Extranjeros disfrazados de bolivianos quieren fundar la nación camba en territorio ajeno. Movimiento al Socialismo, 2008.

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Sahni, Ruchi Ram. My Public Life. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199474004.003.0008.

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In this brief chapter Ruchi Ram Sahni recounts his role in starting the Hindu Family Mutual Relief Fund in the late 1880s. The Fund began after the death of an indigent clerk in the Railways whose family had to be supported by funds raised from his associates; the idea was to start a regular fund for the purpose of supporting the families of deceased members. Sahni gives this as the first of many examples in which he played a role in associational life in late nineteenth-century Lahore; along with Lala Harkishen Lal, he claimed that he must have been responsible for drafting the constitution o
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Wright, Mike, and Kevin Amess. Sovereign Wealth Funds and Private Equity. Edited by Douglas Cumming, Geoffrey Wood, Igor Filatotchev, and Juliane Reinecke. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198754800.013.12.

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While the vast majority of SWFs invest in public equity and fixed income vehicles, about half invest in private equity (PE). PE includes several different types of funds investing in companies at different stages of development. Some 78% of SWFs investing in PE invest in buyouts stage funds; 72% in venture capital stage funds; 66% in growth stage funds, while 56% invest in funds investing in companies at the expansion stage. Only 41% have a strategy to invest in distressed company funds while 38% invest in the secondaries funds market. Some 14% of institutional capital raised by PE equity fund
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Michael, Krimminger. 13 Resolution in the UK and US: Variations to the Same Goals. Oxford University Press, 2016. http://dx.doi.org/10.1093/law/9780198754411.003.0013.

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This chapter explores the US and UK’s response to the 2007–9 Global Financial Crisis. In both cases, funding for the resolution and restructuring of failing financial companies came from public sources-generally national governments and central banks funded by the private creditors or other private sources. In the UK, the resolution actions relied solely on taxpayer financing. In the US, the government’s actions relied on Federal Reserve funding, Treasury funding through the Troubled Asset Relief Program (TARP), and Federal Deposit Insurance Corporation (FDIC) funding from the Deposit Insuranc
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Bordelon, Janet. Religion, Privatization, and American Educational Policy. Edited by Michael D. Waggoner and Nathan C. Walker. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780199386819.013.3.

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This chapter provides a brief history of the religious school choice lobby. The chapter explains how religionists, composed mostly of Catholics, Orthodox Jews, and evangelical Christians, came to advocate for the use of government funds for parochial schools. Leo Pfeffer and the American Jewish Congress opposed the use of federal funds for parochial schools, and by the late 1970s their advocacy had swayed the courts to prevent all but paltry sums of federal funds from going to private religious schools. This led school choice advocates to find alternative means of funding, namely tax credits a
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Mutch, Robert E. Campaign Finance. Oxford University Press, 2016. http://dx.doi.org/10.1093/wentk/9780190274696.001.0001.

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The one percent has been providing an ever larger share of campaign funds since the 1980s. Well over half of the money contributed to the presidential race in 2015 came from only about 350 families. One-fourth of it came from just seventy-eight donors, all of whom made contributions of $1 million or more. Can we still say we live in a democracy if a few hundred rich families provide such disproportionate shares of campaign funds? Congress and the courts are divided on that question, with conservatives saying yes and liberals saying no. The debate is about the most fundamental of political ques
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Zehmisch, Philipp. Mini-India. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199469864.003.0005.

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Chapter 4 highlights how, as a consequence of migration and place-making processes, the discourses of locality, nation, and community came to be equated with the term ‘Mini-India’. Here, three intersecting meanings of the notion of Mini-India are discussed: The first section describes how the term ‘Mini-India’ is appropriated by the state to encompass diverse ethnic and religious identifications under the nationalist slogan ‘unity in diversity’ and to declare the pluralist Andaman society as a secular example of communal harmony. The second part considers Mini-India as a subaltern consciousnes
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Fitzsimmons, Michael P. The Académie and Its Dictionary from the Beginning of the Revolution until the End of the Monarchy. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190644536.003.0003.

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The French Revolution ushered in a remarkable change in language, with both neologisms and new meanings for existing words. Supporters and critics of the Revolution often utilized a dictionary format for new or existing words to portray it in either a favorable or a pejorative manner. Provisionally funded in 1790, the Académie, rooted in the traditional high French of the court and elite, ignored the linguistic innovations, leading François-Urbain Domergue to attempt to form a body that would codify Revolutionary language, although it never came to fruition. Ultimately, partially because of it
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Simon, Gleeson. Gleeson on the International Regulation of Banking. Oxford University Press, 2018. http://dx.doi.org/10.1093/law/9780198793410.001.0001.

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Financial capital regulation drives almost every aspect of the financial markets, from the structures of financial groups and the way they raise capital to the development of investment structures and financial engineering such as derivatives, securitisations, structured finance, credit derivatives, repos, and stock lending. This third edition of the leading guide on the structure of bank financial regulation is invaluable for lawyers and other non-statisticians interested in the regulatory drivers which shape modern financial transactions and techniques. The legal and regulatory principles wh
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Capítulos de libros sobre el tema "Fundus camera"

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Blumenröder, S., A. J. Augustin, M. Spitznas, F. Koch, and F. Grus. "Retino-Choroidal Oxygen Imaging through a Fundus Camera." In Advances in Experimental Medicine and Biology. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0333-6_3.

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Lin, Zhihong, Danli Shi, Donghao Zhang, Xianwen Shang, Mingguang He, and Zongyuan Ge. "Camera Adaptation for Fundus-Image-Based CVD Risk Estimation." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-16434-7_57.

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Kolar, Radim, Bernhard Hoeher, Jan Odstrcilik, Bernhard Schmauss, and Jiri Jan. "Registration of Image Sequences from Experimental Low-Cost Fundus Camera." In Biomedical Image Registration. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08554-8_18.

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Taibi, Mostafa, Rabha Allaoui, and Raja Touahni. "Self-calibration of the Fundus Camera Using the Genetic Algorithm." In Information Systems and Technologies to Support Learning. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-03577-8_66.

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Wu, Jun, Hanwen Zhang, Mingxin He, et al. "Fundus Photograph Defect Repair Algorithm Based on Portable Camera Empty Shot." In Ophthalmic Medical Image Analysis. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-16525-2_17.

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Jalluri, Ajay Vamsi, Harsha Vardhan Garine, Harsha Vardhan Koduri, Kiran Khatter, Soharab Hossain Shaikh, and Devanjali Relan. "Automatic Classification of Diabetic and Hypertension Fundus Camera Retinal Images Using Deep Learning." In Advances in Intelligent Systems and Computing. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-97-6352-8_11.

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Gofas-Salas, Elena, Serge Meimon, and Kate Grieve. "Adaptive optics for flood illumination fundus cameras." In Handbook of Adaptive Optics. CRC Press, 2024. http://dx.doi.org/10.1201/9781003163671-6.

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Gunasinghe, Hansi, James McKelvie, Abigail Koay, and Michael Mayo. "Domain Generalisation for Glaucoma Detection in Retinal Images from Unseen Fundus Cameras." In Intelligent Information and Database Systems. Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-21967-2_34.

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Wu, Jun, Mingxin He, Yang Liu, et al. "Template Mask Based Image Fusion Built-in Algorithm for Wide Field Fundus Cameras." In Ophthalmic Medical Image Analysis. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-16525-2_18.

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Melo, David, Filipe Soares, Simão Felgueiras, João Gonçalves, and Pedro Vieira. "A New Compact Optical System Proposal and Image Quality Comparison Against Other Affordable Non-mydriatic Fundus Cameras." In Biomedical Engineering Systems and Technologies. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-29196-9_2.

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Actas de conferencias sobre el tema "Fundus camera"

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Khan, Muhammad Miqdad, Majida Kazmi, Saad Ahmed Qazi, and M. A. Rehman Siddiqui. "Portable smartphone-based fundus camera using single lens." In Fourth iiScience International Conference 2024: Recent Advances in Photonics and Physical Sciences, edited by M. Yasin A. Raja, Syed A. Haider, and Zohra N. Kayani. SPIE, 2024. https://doi.org/10.1117/12.3055170.

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Yohannan, Raichel Philip, S. Sumam David, Deepu Vijayasenan, Ravi Teja Chowdary, R. Girish Menon, and Sudha Girish Menon. "Artery Vein Segmentation in Handheld Fundus Camera Retinal Images and leveraging Cross Entropy for improved Semantic performance." In 2024 IEEE International Conference on Computer Vision and Machine Intelligence (CVMI). IEEE, 2024. https://doi.org/10.1109/cvmi61877.2024.10782781.

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Yao, Xincheng, Devrim Toslak, Alfa Rossi, Muhammet Kazim Erol, R. V. Paul Chan, and Taeyoon Son. "Developing Ultra-Widefield Panretinal Fundus Cameras for Comprehensive Pediatric Eye Disease Assessment." In Clinical and Translational Biophotonics. Optica Publishing Group, 2025. https://doi.org/10.1364/translational.2025.tth1e.6.

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Trans-pars-planar illumination enables nonmydriatic, ultra-widefield pediatric fundus photography up to the ora serrata. It offers a unique telemedicine solution for affordable screening and management of retinopathy of prematurity and other pediatric eye diseases. .
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Gliss, Christine, Jean-Marie A. Parel, John T. Flynn, Hans S. Pratisto, and Peter F. Niederer. "Miniaturized fundus camera." In Biomedical Optics 2003, edited by Fabrice Manns, Per G. S÷derberg, and Arthur Ho. SPIE, 2003. http://dx.doi.org/10.1117/12.477955.

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Johnson, Mary A., Janet S. Sunness, Robert W. Massof, and David L. Kays. "Fundus camera stimulator." In OSA Annual Meeting. Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.wj46.

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We have developed a device for projecting psychophysical stimuli onto precise retinal locations while the fundus is being viewed. The device consists of a fundus camera, modified by removing the ocular and 35-mm camera mount and replacing them with an infrared-sensitive video camera and a stimulus port. Any stimulus configuration can be used, as long as the stimulus image plane is conjugate with the retina (e.g., in the plane of the 35-mm film). Light for viewing the fundus is reduced to scotopic levels by insertion of a red cutoff filter in front of the background light. The image of the fund
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de Matos, Luciana, Guilherme Castro, and Jarbas C. Castro Neto. "Coaxial fundus camera for opthalmology." In SPIE Optical Engineering + Applications, edited by R. Barry Johnson, Virendra N. Mahajan, and Simon Thibault. SPIE, 2015. http://dx.doi.org/10.1117/12.2190515.

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Barritt, Nicole, Mohana Kuppuswamy Parthasarathy, Ibrahim Faruq, John Zelek, and Vasudevan Lakshminarayanan. "Fundus camera versus smartphone camera attachment: image quality analysis." In Current Developments in Lens Design and Optical Engineering XX, edited by R. Barry Johnson, Virendra N. Mahajan, and Simon Thibault. SPIE, 2019. http://dx.doi.org/10.1117/12.2528965.

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Taibi, Mostafa, Rabha Allaoui, and Raja Touahni. "A Toolbox For Calibrating Fundus Camera." In SMC '19: The Second Conference of the Moroccan Classification Society. ACM, 2019. http://dx.doi.org/10.1145/3314074.3314081.

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Hong, Yang, Chunmei Zeng, Chengliang Xia, Zhiqiang Feng, and Suodong Ma. "Design of automatic focusing fundus camera." In Global Intelligent Industry Conference 2020, edited by Liang Wang. SPIE, 2021. http://dx.doi.org/10.1117/12.2589586.

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Aouf, Mohamad, Sultan Almotatiri, Abdulla Bajahzar, and Ghada Kareem. "Glaucoma Detection from Fundus Camera Image." In 2019 Ninth International Conference on Intelligent Computing and Information Systems (ICICIS). IEEE, 2019. http://dx.doi.org/10.1109/icicis46948.2019.9014738.

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Informes sobre el tema "Fundus camera"

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Kampmeier, Mareike, and Jens Greinert. AL590 Cruise Report - Monitoring ecological consequences of marine munition in the Baltic Sea 2023; 17th – 31st March 2023, Kiel (Germany) – Kiel (Germany), „MecoMM-BS - I“. Alkor-Berichte AL590. GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany, 2023. http://dx.doi.org/10.3289/cr_al590.

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ALKOR cruise AL590 took place as part of the project CONMAR (https://conmarmunition.eu/) which is part of the DAM mission sustainMare (https://www.sustainmare.de/). It was the continuation of the munition monitoring started within the BMBF‐funded project UDEMM (Environmental Monitoring for the Delaboration of Munition in the Sea; https://udemm.geomar.de/), the EMFF (European Maritime and Fisheries Fund) ‐funded projects BASTA (Boost Applied munition detection through Smart data detection in and AI workflows; https://www.basta‐munition.eu) and ExPloTect (Ex‐situ, near‐real‐time detection compou
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Keller, Mareike, Aaron J. Becker, Nikolaj Diller, et al. Monitoring ecological consequences of marine munition in the Baltic Sea 2024 - Cruise No. AL622, 14th – 21st October 2024, Kiel (Germany) – Kiel (Germany), „POST-Clear“. GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany, 2024. https://doi.org/10.3289/cr_al622.

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ALKOR cruise AL622 took place as part of the project CONMAR (https://conmarmunition.eu/) which is part of the DAM mission sustainMare (https://www.sustainmare.de/). It was the continuation of the munition monitoring started within the BMBF‐funded project UDEMM (Environmental Monitoring for the Delaboration of Munition in the Sea; https://udemm.geomar.de/), the EMFF (European Maritime and Fisheries Fund) ‐funded projects BASTA (Boost Applied munition detection through Smart data detection in and AI workflows; https://www.basta‐munition.eu) and ExPloTect (Ex‐situ, near‐real‐time detection compou
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Campbell, Heidi A., Jennifer Daly, Sophia A. Osteen, and Andrea Wallace. Mission to Serve Tech: Churches "Lock Down" Technology During The Global Pandemic. The Network For New Media, Religion & Digital Culture Studies, 2023. http://dx.doi.org/10.21423/oak/1969.1/197075.

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This report analyzes data collected from 2700 churches of the Center for Congregations in Indianapolis through the Connect Through Tech grant program between 2020-2021. This report analyzes data gathered from applications to the CTT grant and final reports submitted by these churches, in order to learn how churches understand and perceive the role of churches, technology, and their relationship changed during the first two years of the pandemic as they incorporated digital media into their ministry work. The “Mission to Serve Tech” report explores three key themes: (1) how leaders understandin
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Abdulla, Sara, and Jack Corrigan. Bayh-Dole Patent Trends. Center for Security and Emerging Technology, 2023. http://dx.doi.org/10.51593/20230012.

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This brief examines trends in patents generated through federally funded research, otherwise known as Bayh-Dole patents. We find that while Bayh-Dole patents make up a small proportion of U.S. patents overall, they are much more common in certain fields, especially in biosciences and national defense related fields. Academic institutions are major recipients of Bayh-Dole patents, and the funding landscape for patent-producing research has shifted since Bayh-Dole came into effect in 1980.
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Biazus-Dalcin, Camila, Louise Marryat, Sarah Gray, et al. My data: an animated film, co-produced with people who use drugs. University of Dundee, 2023. http://dx.doi.org/10.20933/100001299.

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This video was co-produced with people on their drug use recovery journey to explore the perceptions of administrative data use for research and to share this information with the wider community. This work was led by members of the Substance Use Research Group (SURG), School of Health Sciences, University of Dundee. This project was funded by Research Data Scotland (RDS), https://www.researchdata.scot/ A film by: Craig Glencross, David Hood, Jade Renton, Maxine Thomson, Ryan Westwood, Stewart Bernard, Sarah Hulin, Robert Doig, Ashley McMaihin and everyone at Restoration Fife who shared their
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Limoges, A., A. Normandeau, J. B R Eamer, et al. 2022William-Kennedy expedition: Nunatsiavut Coastal Interaction Project (NCIP). Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/332085.

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The accelerating Arctic cryosphere decline severely impacts the land on which northern communities live through the presence of coastal and marine geohazards and coastal erosion, which further places the cultural heritage of coastal archaeological sites at risks. Sea ice decline also compromises the formation of polynyas, with unknown consequences for the regional ecosystems. From the 10th to the 18th of July 2022, a scientific cruise onboard the research vessel William-Kennedy allowed the collection of a suite of samples and data from the marine coastal environment of Nain, Nunatsiavut. In to
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Kwon, Heeseo Rain, HeeAh Cho, Jongbok Kim, Sang Keon Lee, and Donju Lee. International Case Studies of Smart Cities: Orlando, United States of America. Inter-American Development Bank, 2016. http://dx.doi.org/10.18235/0007015.

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This case study is one of ten international studies developed by the Korea Research Institute for Human Settlements (KRIHS), in association with the Inter-American Development Bank (IDB), for the cities of Anyang, Medellin, Namyangju, Orlando, Pangyo, Rio de Janeiro, Santander, Singapore, Songdo, and Tel Aviv. At the IDB, the Competitiveness and Innovation Division (CTI), the Fiscal and Municipal Management Division (FMM), and the Emerging and Sustainable Cities Initiative (ESCI) coordinated the study. This project was part of technical cooperation ME-T1254, financed by the Knowledge Partnersh
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van Ravens, Jan, Luis Crouch, Katherine Merseth King, Elisa A. Hartwig, and Carlos Aggio. The Preschool Entitlement: A Locally Adaptable Policy Instrument to Expand and Improve Preschool Education. RTI Press, 2023. http://dx.doi.org/10.3768/rtipress.2023.op.0082.2302.

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Only three out of five children are enrolled in preschool globally, and only one out of five in low-income countries, yet the expansion of preschool education came to a near standstill in 2020. To restart it, we propose a policy instrument called the Preschool Entitlement. It entails the right of every child to 600 hours of quality government-funded preschool education per year (3 hours per day, 5 days per week, 40 weeks per year). Existing preschool institutions and other organizations with legal status (public, private, faith- or community-based) can offer the child development program after
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van Ravens, Jan, Luis Crouch, Katherine Merseth King, Elisa A. Hartwig, and Carlos Aggio. The Preschool Entitlement: A Locally Adaptable Policy Instrument to Expand and Improve Preschool Education. RTI Press, 2023. http://dx.doi.org/10.3768/rtipress.2023.op.0082.2301.

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Only three out of five children are enrolled in preschool globally, and only one out of five in low-income countries, yet the expansion of preschool education came to a near standstill in 2020. To restart it, we propose a policy instrument called the Preschool Entitlement. It entails the right of every child to 600 hours of quality government-funded preschool education per year (3 hours per day, 5 days per week, 40 weeks per year). Existing preschool institutions and other organizations with legal status (public, private, faith- or community-based) can offer the child development program after
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Lagria, Raymond Freth, and Brenda Quismorio. Analyzing Trends in APEC Using Data Analytics. Philippine Institute for Development Studies, 2022. https://doi.org/10.62986/dp2022.04.

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This paper shows that advanced analytics and traditional statistical techniques on available unstructured and structured data can be utilized to understand the themes put forward in APEC's yearly meetings and how member economies have supported these topics through the conduct of APEC projects. The application of text mining algorithms, such as topic modeling on the proceedings of APEC-level annual meetings, namely, APEC Economic Leaders' Meeting (AELM), APEC Annual Ministerial Meeting (AMM), and Senior Officials' Meeting (SOM), generated themes from the text which insight have been discussed.
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