Gael Obein Professeur au Conservatoire National des Arts et MétiersDirecteur du LNE-Cnam (EA2367), laboratoire national de métrologie en charge de la réalisation, du maintien et de la dissémination des références nationales de longueur, masse et grandeurs associées, température, radiométrie et photométrie.Je suis également secrétaire de la Division 2 de la CIE et président de l'Association Française de l’Éclairage (AFE)

Publications

Proceedings/Recueil des communications (5)

EFFECTS OF CAMERA APERTURE ON STRAY LIGHT IN HIGH DYNAMIC RANGE LUMINANCE IMAGING Lou Gevaux,Gaël Obein CIE 2025 Midterm Meeting, Jul 2025, Vienna, France. International Commission on Illumination (CIE), pp.320-325, 2025, ⟨10.25039/x051.2025/8b5p9t⟩ Proceedings/Recueil des communications hal-05554049v1
Comptes-rendus de la conférence annuelle CIE France 2025 Christophe Martinsons,Laurent Canale,Vincent Boucher,Jiaye Li,Lou Gevauxet al. Conférence annuelle CIE FRANCE 2025, Feb 2025, Paris, France. Association Française de l'Eclairage, 2025 Proceedings/Recueil des communications hal-04963460v1
Comptes-rendus de la conférence annuelle CIE France 2024 Christophe Martinsons,Michèle Atié,Sophie Jost,Lou Gevaux,Gaël Obeinet al. Conférence annuelle CIE FRANCE 2024, Jan 2024, Paris, France. Association Française de l'Eclairage, 2024 Proceedings/Recueil des communications hal-04954716v1
Evidence for the need to update the definition of the BRDF - spectral considerations Pierre Chavel,Thomas Labardens,Mathieu Hébert,Lionel Simonot,Yvan R. P. Sortaiset al. Fifteenth International Conference on Correlation Optics, SPIE proceedings, 12126, pp.121261T, 2022, ⟨10.1117/12.2616107⟩ Proceedings/Recueil des communications hal-03620312v1
Study and simulations of speckle effects on BRDF measurements at very high angular resolution Thomas Labardens,Pierre Chavel,Yvan R. P. Sortais,Mathieu Hébert,Lionel Simonotet al. IS&T Electronic Imaging Symposium, Material Appearance Conference, Society for Imaging Science and Technology, pp.140.1-140.7, 2021, ⟨10.2352/ISSN.2470-1173.2021.5.MAAP-140⟩ Proceedings/Recueil des communications hal-03180579v1

Article dans une revue (20)

Development and comparison of primary facilities for traceable BSSRDF measurements Pablo Santafé-Gabarda,Lou Gevaux,Alejandro Ferrero,Tommaso Fontanot,Jan Audenaertet al. Journal of Optics, 2024, 26 (3), pp.035601. ⟨10.1088/2040-8986/ad21df⟩ Article dans une revue hal-04687199v1
Optical and Electromechanical Design and Implementation of an Advanced Multispectral Device to Capture Material Appearance Majid Ansari-Asl,Markus Barbieri,Gaël Obein,Jon Yngve Hardeberg Journal of Imaging, 2024, 10 (3), pp.55. ⟨10.3390/jimaging10030055⟩ Article dans une revue hal-05335558v1
Reconsidering the spectral distribution of light: Do people perceive watts or photons? C Martinsons,F Behar-Cohen,T Bergen,P Blattner,M Herfet al. Lighting Research & Technology, 2024, ⟨10.1177/14771535241246060⟩ Article dans une revue hal-04569647v1
Survey of bidirectional transmittance distribution function measurement facilities by multilateral scale comparisons Jinglin Fu,Alejandro Ferrero,Tatjana Quast,Michael Esslinger,Pablo Santafé-Gabardaet al. Metrologia, 2024, 61 (3), pp.035006. ⟨10.1088/1681-7575/ad3fbd⟩ Article dans une revue hal-04687204v1
Bidirectional reflectance measurements over a micrometric surface area using a goniospectrophotometer Dipanjana Saha,Lou Gevaux,Jeppe Revall Frisvad,Gael Obein Review of Scientific Instruments, 2024, 95 (5), ⟨10.1063/5.0193490⟩ Article dans une revue hal-04687179v1
Impact of light polarization on angle-resolved light scattering from gloss scale I Gozhyk,Colette Turbil,E Garcia,G Obein Physica Scripta, 2023, 98 (9), pp.095503. ⟨10.1088/1402-4896/ace99b⟩ Article dans une revue hal-04589949v1
Does a flashing artificial light have more or conversely less impacts on animals than a continuous one? A systematic review Alix Lafitte,Romain Sordello,Marc Legrand,Virginie Nicolas,Gaël Obeinet al. Nature Conservation, 2023, 54, pp.149-177. ⟨10.3897/natureconservation.54.102614⟩ Article dans une revue hal-04337333v1
New traceability chain for spectral irradiance measurement at LNE-Cnam Mai Huong Valin,Gaël Obein,Bernard Rougie,Thierry Valin,Daniel Truonget al. Measurement Science and Technology, 2022, 33 (6), pp.064004. ⟨10.1088/1361-6501/ac50e6⟩ Article dans une revue hal-04303005v1
A flashing light may not be that flashy: A systematic review on critical fusion frequencies Alix Lafitte,Romain Sordello,Marc Legrand,Virginie Nicolas,Gaël Obeinet al. PLoS ONE, 2022, 17 (12), pp.e0279718. ⟨10.1371/journal.pone.0279718⟩ Article dans une revue (article de synthèse) hal-04050147v1
Advocating a statistical definition for the BRDF Pierre Chavel,Yvan R. P. Sortais,Thomas Labardens,Lionel Simonot,M Hébertet al. Journal of Physics: Conference Series, 2022, 2149 (1), pp.012013. ⟨10.1088/1742-6596/2149/1/012013⟩ Article dans une revue hal-03620283v2
Final report on the CCPR Key Comparison CCPR-K3.2014 Luminous Intensity Arnold Gaertner,Éric Côté,Joaquin Campos,Gaël Obein,Peter Blattneret al. Metrologia, 2022, 59 (1A), pp.02002. ⟨10.1088/0026-1394/59/1A/02002⟩ Article dans une revue hal-03866749v1
Assessing gloss under diffuse and specular lighting Guillaume Ged,Ana‐maria Rabal‐almazor,Marc Himbert,Gael Obein Color Research and Application, 2020, 45 (4), pp.591 - 602. ⟨10.1002/col.22510⟩ Article dans une revue hal-03602498v1
Seaweed-eating sheep and the adaptation of husbandry in Neolithic Orkney: new insights from Skara Brae Marie Balasse,Anne Tresset,Gaël Obein,Denis Fiorillo,Henri Gandois Antiquity, 2019, 93 (370), pp.919-932. ⟨10.15184/aqy.2019.95⟩ Article dans une revue hal-02304703v1
Bilateral comparison of luminous flux using lamps as transfer standards (EURAMET.PR-K4.2) J Dubard,Gaël Obein,D Suryani Metrologia, 2019, 56 (1A), pp.02001. ⟨10.1088/0026-1394/56/1A/02001⟩ Article dans une revue hal-03602660v1
Modeling, measuring, and using BRDFs: significant French contributions Lionel Simonot,Gaël Obein,Benjamin Bringier,Daniel Meneveaux Journal of the Optical Society of America. A Optics, Image Science, and Vision, 2019, 36 (11), pp.C40-C50. ⟨10.1364/JOSAA.36.000C40⟩ Article dans une revue hal-02361574v1
Luminous intensity bilateral comparison using lamps as transfer standards between LNE (France) and INM-RO (Roumania) Gaël Obein,M Simionescu,J Dubard,A Seucan,Jean Bastie Metrologia, 2017, 54 (1A), pp.02002. ⟨10.1088/0026-1394/54/1A/02002⟩ Article dans une revue hal-03602690v1
ACT: A leaf BRDF model taking into account the azimuthal anisotropy of monocotyledonous leaf surface Alexis Comar,Frédéric Baret,Gaël Obein,Lionel Simonot,Daniel Meneveauxet al. Remote Sensing of Environment, 2014, 143, pp.112 - 121. ⟨10.1016/j.rse.2013.12.006⟩ Article dans une revue hal-01565504v1
Investigating seasonality and season of birth in past herds: A reference set of sheep enamel stable oxygen isotope ratios Marie Balasse,Gaël Obein,Joël Ughetto-Monfrin,Ingrid Mainland Archaeometry, 2012, 54 (2), pp.349-368. ⟨10.1111/j.1475-4754.2011.00624.x⟩ Article dans une revue hal-00744957v2
Recognizing real materials from their glossy appearance Guillaume Ged,Gaël Obein,Zaccaria Silvestri,Jean Le Rohellec,F. Vienot Journal of Vision, 2010, 10 (9), pp.18-18. ⟨10.1167/10.9.18⟩ Article dans une revue hal-03868865v1
Difference scaling of gloss: nonlinearity, binocularity, and constancy. Gaël Obein,Kenneth Knoblauch,Françoise Viénot Journal of Vision, 2004, 4 (9), pp.711-20. ⟨10.1167/4.9.4⟩ Article dans une revue inserm-00131795v1

Communication dans un congrès (5)

Development of a µBRDF goniospectrophotometer for BRDF measurement on tiny surfaces D. Saha,L. Gevaux,T. Cances,A. Richard,G. Obein CIE 2021 Midterm Conference, CIE, Sep 2021, Online, Malaysia. pp.327-334, ⟨10.25039/x48.2021.OP42⟩ Communication dans un congrès hal-03864783v1
Speckle in BRDF measurements: solid angle considerations Pierre Chavel,Thomas Labardens,Lionel Simonot,Mathieu Hébert,Yvan R. P. Sortaiset al. 2021 Frontiers in Optics + Laser Science Science conference (FiO+LS 2021), Nov 2021, Washington, United States. pp.JTh5A.76, ⟨10.1364/FIO.2021.JTh5A.76⟩ Communication dans un congrès hal-04563953v1
Predicting changes in visual appearance of periodic surface from brdf measurements C. Turbil,I. Gozhyk,J. Teisseire,I. Simonsen,Guillaume Gedet al. 4th CIE Expert Symposium on Colour and Visual Appearance, Sep 2016, Prague, Czech Republic. pp.103-110 Communication dans un congrès hal-01481140v1
Visual experiment on LED lighting quality with color quality scale colored samples Nicolas Pousset,Gaël Obein,Annick Razet CIE 2010 : Lighting Quality and Energy Efficiency, Mar 2010, Vienne, Austria. pp.722-729 Communication dans un congrès hal-00472329v1
Métrologie des diodes électroluminescentes Nicolas Pousset,Annick Razet,Gaël Obein,Arnaud Richard,Jean Bastie 13ème Congrès international de métrologie, Collège français de métrologie, Jun 2007, Lille, France Communication dans un congrès hal-00454119v1

Poster de conférence (1)

A new method for measuring the spectral irradiance at LNE-Cnam Mai Huong Valin,Gaël Obein 20è Congrès Internationale de Métrologie CIM2021, Sep 2021, Lyon, France. 2021 Poster de conférence hal-04303203v1

Chapitre d'ouvrage (1)

Peut-on mesurer la BRDF ? Lionel Simonot,Pierre Chavel,Mathieu Hebert,Gaël Obein Quand la matière diffuse la lumière, Les Presses des Mines, pp.209-218, 2019, 9782356715562 Chapitre d'ouvrage hal-03980829v1