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Academic literature on the topic 'Comparaisons de photographies'
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Journal articles on the topic "Comparaisons de photographies"
Blanchon, David, and Jean-Paul Bravard. "La stabilité des formes fluviales de l’Orange, entre variabilité naturelle et impacts des grands barrages (secteur Boegoeberg-Augrabies, Afrique du Sud)." Géographie physique et Quaternaire 61, no. 1 (March 26, 2009): 21–37. http://dx.doi.org/10.7202/029568ar.
Full textDarras, Bernard. "Sémiotique pragmatique et photographie numérique. Le cas de la retouche photographique." Recherches sémiotiques 28, no. 1-2 (October 7, 2010): 153–75. http://dx.doi.org/10.7202/044594ar.
Full textMartin, Céline, Pierre Bouletreau, Paul Cresseaux, Renaud Lucas, and Sarah Gebeile-Chauty. "Latéromandibulie : détermination d’une mesure cutanée fiable." L'Orthodontie Française 89, no. 2 (June 2018): 199–212. http://dx.doi.org/10.1051/orthodfr/2018016.
Full textCigna1, Marie-Hélène, Jean-Pierre Guay, and Patrice Renaud. "La reconnaissance émotionnelle faciale : validation préliminaire de stimuli virtuels dynamiques et comparaison avec les Pictures of Facial Affect (POFA)." Criminologie 48, no. 2 (October 29, 2015): 237–63. http://dx.doi.org/10.7202/1033845ar.
Full textLehmann, M. V., C. Y. Mardin, B. Lausen, U. Reulbach, and A. Bergua. "066 Comparaison qualitative de l’atrophie optique glaucomateuse utilisant la photographie digitale conventionnelle en 2D et la stéréophotographie." Journal Français d'Ophtalmologie 28 (March 2005): 164. http://dx.doi.org/10.1016/s0181-5512(05)74462-4.
Full textSavignac, Carl, and Marc Bélisle. "Habitat de nidification du faucon pèlerin dans le sud du Québec : comparaison entre les carrières industrielles et les parois naturelles." Oiseaux de proie diurnes 139, no. 1 (December 3, 2014): 44–53. http://dx.doi.org/10.7202/1027670ar.
Full textBardet, Isabelle, Patrick Goudot, Jean-Baptiste Kerbrat, and Olivier Mauchamp. "Surgery First : détermination des objectifs squelettiques à partir des analyses structurales. Comparaison des analyses de Delaire et de Sassouni." L'Orthodontie Française 90, no. 1 (March 2019): 37–54. http://dx.doi.org/10.1051/orthodfr/2019004.
Full textMartin, Céline, Pierre Bouletreau, Paul Cresseaux, Renaud Lucas, and Sarah Gebeile-Chauty. "Traitement ortho-chirurgical de la latéromandibulie : quels résultats escompter avec et sans chirurgie du contour mandibulaire ? Une étude de cohorte sur 51 cas." L'Orthodontie Française 90, no. 1 (March 2019): 75–100. http://dx.doi.org/10.1051/orthodfr/2019007.
Full textDiouf, Joseph Samba, Bécaye Touré, Marième Ndiaye, Alpha Badiane, Khady Diop-Bâ, Papa Ibrahima Ngom, and Falou Diagne. "Corrélations entre les mensurations photogrammétriques sagittales de profil des tissus mous et celles des arcades dentaires." L'Orthodontie Française 86, no. 4 (December 2015): 303–11. http://dx.doi.org/10.1051/orthodfr/2015029.
Full textBaetens, Jan. "Une photographie vaut-elle mille films ?" 34, no. 2-3 (April 25, 2007): 67–76. http://dx.doi.org/10.7202/014266ar.
Full textDissertations / Theses on the topic "Comparaisons de photographies"
Ravanel, Ludovic. "Caractérisation, facteurs et dynamiques des écroulements rocheux dans les parois à permafrost du massif du Mont Blanc." Chambéry, 2010. http://www.theses.fr/2010CHAMS042.
Full textThe study of rockfalls (volume > 100 m3) in high mountains is essentiel to understand landscape evolution and to evaluate natural hazard. The number of rockfall events actually seems to rise in the Alps, while vulnerabilities are increasing in high altitude and in valleys. Due to a lack of systematic observations, the frequency and volumes of rockfalls, as well as their triggering factors remain poorly understood. This manuscript analyses different inventories of rockfalls acquired in the whole Mont Blanc massif by three innovative methods in order to characterize the rockfalls triggering conditions, and to emphasize the role of permafrost. (i) In two sectors of the massif (Drus and Aiguilles de Chamonix), a comparison of photographs from the end of th Little Ice Age to 2009, combined with field geomorphological data, allowed the identification of 50 collapses during th period, involving rock volumes ranging from 500 m3 to 265 000 m3. In most cases, these rockfalls occurred during th hottest periods, either from the end of the LIA (the last two decades) or during one year (hot summer episodes). (ii) A network of local observers (guides, hut keepers), allowed the documentation of all the rockfall events th occurred in 2007 (n = 45), 2008 (n = 22) and 2009 (n = 72) in the central part of the Mont Blanc massif, involving rock volumes ranging from 100 m3 to 50 000 m3. Furthermore, the analyses of a satellite image allowed the identification of 182 rockfalls in the whole massif at the end of the 2003 summer heatwave. Most of these scars are located in areas where models suggest the presence of "warm" permafrost (between -5 and 0°C), which is the most likely to be degraded by global warming. The presence of massive ice is moreover observed in many cases, confirming the likely role of the permafrost degradation. (iii) Finally, the diachronic comparison of high resolution 3D models obtained by annually repeated terrestrial laserscanning enabled the quantification of the fallen rock volumes. Since 2005, 69 rock detachments (volumes from 1 m3 to 426 m3) have been measured on ten rockwalls with different slope orientation and steepness, all located between 3 000 and 4 500 m a. S. L. Their analysis indicates that the morphodynamics of these rockwalls depends on their geological, topo-climatic, thermal and ice conditions. Even though topography and geology are determinant factors, they do not trigger the rockfalls observed in the Mont Blanc massif. Indeed, rockfalls appear to mainly result from permafrost degradation in relation to global warming
Laplaige, Clément. "Comparaison de signaux (géophysique, LiDAR) utilisés dans l'étude des dynamiques anthropiques et naturelles." Phd thesis, Université de Franche-Comté, 2012. http://tel.archives-ouvertes.fr/tel-00732379.
Full textLaplaige, Clément. "Comparaison de signaux (géophysique, LiDAR) utilisés dans l'étude des dynamiques anthropiques et naturelles." Thesis, Besançon, 2012. http://www.theses.fr/2012BESA1002/document.
Full textThe characterization of the material reality of the landscape requires to accurately identify the physical geography and to capture the interrelationships between humans and their environment. These conditions are essential to the estimation of the origins of the landscape shaping. The analysis of documentary sources offers the opportunity to determine the organization of former landscapes and to characterize a large part of their evolutions since the Modern period. However, older land settlements are not localised or symbolised on maps. Their signs are efficiently detected in present landscape through the joint implementation of various detection methods: aerial photography, recording topographic or colorimetric variations on the soil surface, and the LiDAR (Light Detection And Ranging) system, measuring micro-topographic variations using a laser beam. Other methods can be used to identify the elements conserved in present landscape and reflect their past uses. The measure of physical properties of soils by the geophysical methods can detected the presence of archaeological remains or structures buried while nothing is perceptible to the soil surface. It is widely supported that survey methods can provide archaeological data of the land use and / or the exploitation of the territory. Thus, they have been applied since several at the site of the ancient city of Epomanduodurum (Mandeure-Mathay, Doubs) in the north of the Franche-Comte. This city is considered by its size, urban equipment and monuments as the second behind de civitas capital of Sequani, Vesontio (Besancon). This research intends to compare, at different spatial scales, the contribution of several prospecting methods for the study of natural and anthropogenic dynamics in an area of 80 km². The study area is centred on the ancient city and combines a section of the alluvial plain of the Doubs river and the surrounding calcareous plateaus. In this study, it was possible, among other things, to develop tools for the detection of archaeological
Zeng, Shan. "Comparaison et analyse statistique des propriétés nuageuses dérivées des instruments POLDER et MODIS dans le cadre de l’expérience spatiale A-Train." Thesis, Lille 1, 2011. http://www.theses.fr/2011LIL10067/document.
Full textThe A-Train observations provide an unprecedented opportunity for synchronous monitoring of the entire atmosphere including clouds at the global scale. In this study we illustrate a statistical analysis and comparisons of cloud cover, thermodynamic phase and cloud optical thickness mainly derived from the coincident POLDER (Polarization_and_Directionality_of_the_Earth_Reflectance), and MODIS (MODerate_Resolution_Imaging Spectroradiometer) sensors in the A-Train constellation. We presented first the results of an extensive study of the regional and seasonal variations of cloud cover from POLDER and MODIS and discuss the possible factors leading to differences between them, among which are the spatial resolution, aerosols, cirrus and particular surfaces. Cloud top phase products were then compared and discussed in view of cloud vertical structure and optical properties derived simultaneously from collocated CALIOP (Cloud-Aerosol_Lidar_with_Orthogonal_Polarization, another A-Train member) observations, which allow to identify and qualify potential biases present in the 3 considered dataset. Among those, we discussed the impact of observed geometries, thin cirrus, aerosols, snow/ice surfaces, multilayer and fractional cloud cover on global statistics of cloud phase derived from POLDER and MODIS passive measurements. Based on these analyses we selected cloud retrievals of high confidence to study the global and regional vertical ice-water transition and the variations of this transition with cloud formation and development regimes, particularly the impact of large-scale dynamics and cloud microphysics.Cloud optical thicknesses were finally studied. The impacts of spatial resolution, cloud microphysics and heterogeneity are mainly discussed for the understanding of the significant biases on optical thickness from the two sensors
Marcil, Isabelle. "Comparaison entre la méthode de levés terrain traditionnels et la méthode de restitution vidéogrammétrique (DVP) dans la délimitation du domaine hydrique (ligne des hautes eaux) /." 1997. http://proquest.umi.com/pqdweb?did=738288901&sid=7&Fmt=2&clientId=9268&RQT=309&VName=PQD.
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