Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Boris P. J. Bret"'
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Akademický článek
A Stochastic Approach for Product Costing in Manufacturing Processes
Autor: Paulo Afonso, Vishad Vyas, Ana Antunes, Sérgio Silva, Boris P. J. Bret
Publikováno v: Mathematics, Vol 9, Iss 18, p 2238 (2021)
Nowadays, manufacturing companies are characterized by complex systems with multiple products being manufactured in multiple assembly lines. In such situations, traditional costing systems based on deterministic cost models cannot be used. This paper
Externí odkaz: https://doaj.org/article/9f7dd80761dd448e95b66f9f539391d7
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2
A Stochastic Approach for Product Costing in Manufacturing Processes
Autor: Boris P. J. Bret, Paulo Afonso, Vishad Vyas, Sérgio Silva, Ana Antunes
Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Mathematics
Volume 9
Issue 18
Mathematics, Vol 9, Iss 2238, p 2238 (2021)
Nowadays, manufacturing companies are characterized by complex systems with multiple products being manufactured in multiple assembly lines. In such situations, traditional costing systems based on deterministic cost models cannot be used. This paper
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a044d0853536d19dee1d4ade98571e4b
https://doi.org/10.3390/math9182238
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3
Evaluating sub-pixel functional defects of a display using an arbitrary resolution camera
Autor: Paulo Eduardo Reis Felgueiras, Boris P. J. Bret, Paulo M.F. Forte, Eduardo J. Nunes-Pereira, Michael Belsley, Flávio P. Ferreira
Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
An automatic optical inspection system to evaluate functional defects of sub-pixel elements in image displays is proposed, which is based on a single full-field imaging sensor. In order to circumvent sampling aliasing, the display is addressed with a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df7949d6a97394bb73ef28c6eed02afa
https://doi.org/10.1016/j.displa.2017.06.001
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4
Oblique astigmatism and field curvature measured with light-field imaging
Autor: Eduardo J. Nunes-Pereira, Marco A. Sousa, Moisés. A. S. Duarte, Boris P. J. Bret, Flávio P. Ferreira
Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
The testing of astigmatism and field curvature of an optical system with light-field imaging is proposed. The method consists in measuring the depth map, obtained with a plenoptic camera, of the image of a test pattern formed by the optical system. T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5077adceec70e1ab52c5cf8f09767324
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6
Automatic optical inspection of regular grid patterns with an inspection camera used below the Shannon-Nyquist criterion for optical resolution
Autor: Flávio P. Ferreira, Boris P. J. Bret, Paulo M.F. Forte, Paulo Eduardo Reis Felgueiras, Michael Belsley, Eduardo J. Nunes-Pereira
An Automatic Optical Inspection (AOI) system for optical inspection of imaging devices used in automotive industry using an inspecting optics of lower spatial resolution than the device under inspection is described. This system is robust and with no
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4eda6b2a9b425e8a7209d773e0d57df3
https://hdl.handle.net/1822/48121
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7
Exploring combined dark and bright field illumination to improve the detection of defects on specular surfaces
Autor: Paulo M.F. Forte, Eduardo J. Nunes-Pereira, Paulo Eduardo Reis Felgueiras, M.A. Sousa, Michael Belsley, Flávio P. Ferreira, Boris P. J. Bret
Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
An automatic optical inspection system for detecting local defects on specular surfaces is presented. The system uses an image display to produce a sequence of structured diffuse illumination patterns and a digital camera to acquire the corresponding
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7eeca902c729c6f08f97244b1450e0b6
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8
Taking apart the enhanced backscattering cone: Interference fringes from reciprocal paths in multiple light scattering
Autor: Eduardo J. Nunes-Pereira, Flávio P. Ferreira, Boris P. J. Bret, Michael Belsley
Publikováno v: Physical Review A. 82
We report the decomposition of the enhanced backscattering cone into its constitutive interference fringes. These fringes are due to the constructive interference between reciprocal paths of any multiply scattered wave after ensemble averaging. An op
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1797840713fb671d5f188a168fe66016
https://doi.org/10.1103/physreva.82.043816
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9
Controllable transport mean free path of light in xerogel matrixes embedded with polystyrene spheres
Autor: Mariana Amaro, Michael Belsley, Boris P. J. Bret, Nuno J. G. Couto, Eduardo J. Nunes-Pereira
Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Xerogel matrices, made by sol-gel techniques, are embedded with polystyrene spheres to promote multiple scattering of light. Varying the concentration of the spheres inside the matrix allows one to adjust the transport mean free path of light inside
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9187abb52686c67836b746059c46dd53
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