D. Adamson, The role of multiple scattering in onedimensional radiative transfer, Tech. rep., National Aeronautics and Space Administration, 1975.

P. Blanc and L. Wald, The SG2 algorithm for a fast and accurate computation of the position of the Sun for multi-decadal time period, Solar Energy, vol.86, issue.10, pp.3072-3083, 2012.
DOI : 10.1016/j.solener.2012.07.018
URL : https://hal.archives-ouvertes.fr/hal-00725987

A. P. Brunger and F. C. Hooper, Anisotropic sky radiance model based on narrow field of view measurements of shortwave radiance, Solar Energy, vol.51, issue.1, pp.53-64, 1993.
DOI : 10.1016/0038-092X(93)90042-M

D. Buie, A. G. Monger, and C. J. Dey, Sunshape distributions for terrestrial solar simulations, Solar Energy, vol.74, issue.2, pp.113-122, 2003.
DOI : 10.1016/S0038-092X(03)00125-7

C. Cabrera and A. , Development of a sky imager for cloud classification and aerosol characterization, 2010.

O. Dubovik and M. D. King, A flexible inversion algorithm for retrieval of aerosol optical properties from Sun and sky radiance measurements, Journal of Geophysical Research: Atmospheres, vol.103, issue.2, pp.20673-20696, 2000.
DOI : 10.1029/2000JD900282

Y. Eissa, P. Blanc, A. Oumbe, H. Ghedira, and L. Wald, Estimation of the Circumsolar Ratio in a Turbid Atmosphere, Energy Procedia, vol.57, pp.1169-1178, 2014.
DOI : 10.1016/j.egypro.2014.10.104
URL : https://hal.archives-ouvertes.fr/hal-01091918

V. Ferraro, M. Mele, and V. Marinelli, Analysis of sky luminance experimental data and comparison with calculation methods, Energy, vol.37, issue.1, pp.287-298, 2012.
DOI : 10.1016/j.energy.2011.11.031

D. Grether, D. Evans, A. Hunt, and M. Whalig, Measurements and Analysis of Circumsolar Radiation, 1980.

C. A. Gueymard, Une param??trisation de la luminance ??nerg??tique du ciel clair en fonction de la turbidit??, Atmosphere-Ocean, vol.14, issue.1, pp.1-15, 1986.
DOI : 10.1016/0038-092X(83)90069-5

C. A. Gueymard, Temporal variability in direct and global irradiance at various time scales as affected by aerosols, Solar Energy, vol.86, issue.12, pp.3544-3553, 2012.
DOI : 10.1016/j.solener.2012.01.013

A. Harrison, Directional sky luminance versus cloud cover and solar position, Solar Energy, vol.46, issue.1, pp.13-19, 1991.
DOI : 10.1016/0038-092X(91)90102-3

A. Harrison and C. Coombes, Angular distribution of clear sky short wavelength radiance, Solar Energy, vol.40, issue.1, pp.57-63, 1988.
DOI : 10.1016/0038-092X(88)90072-2

L. Heschong, Daylighting and Human Performance, ASHRAE, vol.44, issue.6, pp.65-67, 2002.

N. Igawa, Improving the All Sky Model for the luminance and radiance distributions of the sky, Solar Energy, vol.105, pp.354-372, 2014.
DOI : 10.1016/j.solener.2014.03.020

N. Igawa, Y. Koga, T. Matsuzawa, and H. Nakamura, Models of sky radiance distribution and sky luminance distribution, Solar Energy, vol.77, issue.2, pp.137-157, 2004.
DOI : 10.1016/j.solener.2004.04.016

H. Juan and L. Da-ren, Calibration and Validation of an All-Sky Imager, Atmospheric and Oceanic Science Letters, vol.2, issue.4, pp.220-223, 2009.
DOI : 10.1080/16742834.2009.11446806

R. Kalapatapu, M. Chiesa, P. Armstrong, and S. Wilbert, Measurement of DNI Angular Distribution with a Sunshape Profiling Irradiometer, p.2012, 2012.

R. Kittler, R. Perez, and S. Darula, A new generation of sky standards, In: LuxEuropa. Amsterdam, pp.359-373, 1997.

R. Kittler, R. Perez, and S. Darula, A set of standard skies characterizing daylight conditions for computer and energy conscious design, 1998.

M. Kocifaj, Sky luminance/radiance model with multiple scattering effect, Solar Energy, vol.83, issue.10, pp.1914-1922, 2009.
DOI : 10.1016/j.solener.2009.07.004

M. Kocifaj, Angular distribution of scattered radiation under broken cloud arrays: An approximation of successive orders of scattering, Solar Energy, vol.86, issue.12, pp.3575-3586, 2012.
DOI : 10.1016/j.solener.2012.06.022

M. Kocifaj, Unified model of radiance patterns under arbitrary sky conditions, Solar Energy, vol.115, pp.40-51, 2015.
DOI : 10.1016/j.solener.2015.02.019

M. Lehar and L. Glicksman, Rapid algorithm for modeling daylight distributions in office buildings, Building and Environment, vol.42, issue.8, pp.2908-2919, 2007.
DOI : 10.1016/j.buildenv.2005.02.010

Q. Li, W. Lu, and J. Yang, A Hybrid Thresholding Algorithm for Cloud Detection on Ground-Based Color Images, Journal of Atmospheric and Oceanic Technology, vol.28, issue.10, pp.1286-1296, 2011.
DOI : 10.1175/JTECH-D-11-00009.1

S. Liang and P. Lewis, A parametric radiative transfer model for sky radiance distribution, Journal of Quantitative Spectroscopy and Radiative Transfer, vol.55, issue.2, pp.181-189, 1996.
DOI : 10.1016/0022-4073(95)00155-7

C. N. Long, J. M. Sabburg, J. Calbó, and D. Pagès, Retrieving Cloud Characteristics from Ground-Based Daytime Color All-Sky Images, Journal of Atmospheric and Oceanic Technology, vol.23, issue.5, pp.633-652, 2006.
DOI : 10.1175/JTECH1875.1

J. Mardaljevic, Sky model blends for predicting internal illuminance: a comparison founded on the BRE-IDMP dataset, Journal of Building Performance Simulation, vol.1, issue.3, pp.163-173, 2008.
DOI : 10.1191/1477153504li117oa

R. Marquez and C. F. Coimbra, Forecasting of global and direct solar irradiance using stochastic learning methods, ground experiments and the NWS database, Solar Energy, vol.85, issue.5, pp.746-756, 2011.
DOI : 10.1016/j.solener.2011.01.007

K. Miyamoto, Fish Eye Lens, Journal of the Optical Society of America, vol.54, issue.8, pp.1060-1061, 1964.
DOI : 10.1364/JOSA.54.001060

A. Neumann and B. Von-der-au, Sunshape Measurements at the DLR Solar Furnace Site in Cologne, Germany. In: Solar Energy Forum, p.163, 1997.

F. Olmo, A. Quirantes, V. Lara, H. Lyamani, and L. Alados-arboledas, Aerosol optical properties assessed by an inversion method using the solar principal plane for non-spherical particles, Journal of Quantitative Spectroscopy and Radiative Transfer, vol.109, issue.8, pp.1504-1516, 2008.
DOI : 10.1016/j.jqsrt.2007.12.019

R. Perez, P. Ineichen, R. Seals, J. Michalsky, and R. Stewart, Modeling daylight availability and irradiance components from direct and global irradiance, Solar Energy, vol.44, issue.5, pp.271-289, 1990.
DOI : 10.1016/0038-092X(90)90055-H

R. Perez, R. Seals, J. Michalsky, and A. Sciences, All-weather model for sky luminance distribution???Preliminary configuration and validation, Solar Energy, vol.50, issue.3, pp.235-245, 1993.
DOI : 10.1016/0038-092X(93)90017-I

R. Perez, R. Stewart, and J. T. Scott, A two-parameter description of the sky hemisphere, Fifth Conference on Atmospheric Radiation. Baltimore, pp.322-325, 1983.

G. Pfister, R. Mckenzie, J. Liley, A. Thomas, B. Forgan et al., Cloud Coverage Based on All-Sky Imaging and Its Impact on Surface Solar Irradiance, Journal of Applied Meteorology, vol.42, issue.10, pp.1421-1434, 2003.
DOI : 10.1175/1520-0450(2003)042<1421:CCBOAI>2.0.CO;2

C. F. Reinhart and O. Walkenhorst, Validation of dynamic RADIANCE-based daylight simulations for a test office with external blinds, Energy and Buildings, vol.33, issue.7, pp.683-697, 2001.
DOI : 10.1016/S0378-7788(01)00058-5

R. Román, M. Antón, . Cazorla, . De-miguel, F. J. Olmo et al., Calibration of an all-sky camera for obtaining sky radiance at three wavelengths, Atmospheric Measurement Techniques, vol.5, issue.8, pp.2013-2024, 2012.
DOI : 10.5194/amt-5-2013-2012

E. G. Rossini and A. Krenzinger, Maps of sky relative radiance and luminance distributions acquired with a monochromatic CCD camera, Solar Energy, vol.81, issue.11, pp.1323-1332, 2007.
DOI : 10.1016/j.solener.2007.06.013

D. Scaramuzza, A. Martinelli, and R. Siegwart, A Toolbox for Easily Calibrating Omnidirectional Cameras, 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.5695-5701, 2006.
DOI : 10.1109/IROS.2006.282372
URL : https://hal.archives-ouvertes.fr/inria-00359941

J. E. Shields, M. E. Karr, R. W. Johnson, and A. R. Burden, Day/night whole sky imagers for 24-h cloud and sky assessment: history and overview, Applied Optics, vol.52, issue.8, pp.52-1605, 2013.
DOI : 10.1364/AO.52.001605

F. Siala and F. Hooper, A model for the directional distribution of the diffuse sky radiance with an application to a CPC collector, Solar Energy, vol.44, issue.5, pp.291-296, 1990.
DOI : 10.1016/0038-092X(90)90056-I

W. J. Smith, Modern optical engineering: the design of optical systems, 2000.

M. Steven, Standard distributions of clear sky radiance, Quarterly Journal of the Royal Meteorological Society, vol.101, issue.437, pp.457-465, 1977.
DOI : 10.1002/qj.49710343706

K. Tohsing, M. Schrempf, S. Riechelmann, H. Schilke, and G. Seckmeyer, Measuring high-resolution sky luminance distributions with a CCD camera, Applied Optics, vol.52, issue.8, pp.1564-73, 2013.
DOI : 10.1364/AO.52.001564

K. Tohsing, M. Schrempf, S. Riechelmann, and G. Seckmeyer, Validation of spectral sky radiance derived from all-sky camera images &ndash; a case study, Atmospheric Measurement Techniques, vol.7, issue.7, pp.2137-2146, 2014.
DOI : 10.5194/amt-7-2137-2014

W. Van-bommel and G. Van-den-beld, Lighting for work: a review of visual and biological effects, Lighting Research and Technology, vol.36, issue.4, pp.255-269, 2004.
DOI : 10.1191/1365782804li122oa

E. Vartiainen, A new approach to estimating the diffuse irradiance on inclined surfaces, Renewable Energy, vol.20, issue.1, pp.45-64, 2000.
DOI : 10.1016/S0960-1481(99)00086-5

E. Vartiainen, Electricity benefits of daylighting and photovoltaics for various solar facade layouts in office buildings, Energy and Buildings, vol.33, issue.2, pp.113-120, 2001.
DOI : 10.1016/S0378-7788(00)00073-6

K. J. Voss and G. Zibordi, Radiometric and Geometric Calibration of a Visible Spectral Electro-Optic ???Fisheye??? Camera Radiance Distribution System, Journal of Atmospheric and Oceanic Technology, vol.6, issue.4, pp.652-662, 1989.
DOI : 10.1175/1520-0426(1989)006<0652:RAGCOA>2.0.CO;2

S. Wilbert, B. Reinhardt, J. Devore, M. Röger, R. Pitz-paal et al., Measurement of Solar Radiance Profiles With the Sun and Aureole Measurement System, Journal of Solar Energy Engineering, vol.135, issue.4, p.41002, 2013.
DOI : 10.1115/1.4024244

H. Yang, B. Kurtz, D. Nguyen, B. Urquhart, C. W. Chow et al., Solar irradiance forecasting using a ground-based sky imager developed at UC San Diego, Solar Energy, vol.103, pp.502-524, 2014.
DOI : 10.1016/j.solener.2014.02.044