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Gotowa bibliografia na temat „Système chromatique”
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Artykuły w czasopismach na temat "Système chromatique"
BÉGOUT-ANRAS, M. L., i J. P. LAGARDÈRE. "Domestication et comportement chez les poissons téléostéens". INRAE Productions Animales 17, nr 3 (29.07.2004): 211–15. http://dx.doi.org/10.20870/productions-animales.2004.17.3.3594.
Pełny tekst źródłaBengoua, Soufiane. "Les patronymes algériens liés aux termes chromatiques". Onomástica desde América Latina 3, nr 5 (15.12.2021). http://dx.doi.org/10.48075/odal.v3i5.26755.
Pełny tekst źródłaRozprawy doktorskie na temat "Système chromatique"
Dias, Jérôme. "Profondeur par la couleur : analyse spatio-spectrale d'un système chromatique". Thesis, Grenoble, 2013. https://tel.archives-ouvertes.fr/tel-03210653.
Pełny tekst źródłaLike color, depth is a very useful information to interpret the content of a scene. Depth can be estimated from an acquisition obtained with a chromatic imaging system. It consists of an optical system with an axial chromatic aberration. This aberration creates an image blur that depends on the wavelength and the depth. To measure this, an image sensor with a Bayer color filter array, particularly suitable for color image acquisition, is generally used. It has been shown that a color (RGB) analysis of the spatial dispersion of such image enabled unambiguous estimation of the depth map and a corresponding sharp color image of the given scene. However, this method is more suitable for EDOFs applications as it reconstructs a sharp color image and provides a low depth accuracy.To improve this technique we propose a different chromatic imaging system, consisting of an image sensor coated with a color customized filter array, suitable to acquire spectral image. In this perspective, we have established a spectral model to simulate the mosaic image. Then we have developed a procedure for spatio-spectral analysis applied to this image, to jointly estimate the depth and the sharp color image of the corresponding scene.From this, two estimation algorithms based on inverse problem solving have been proposed and implemented. The first includes the physical system parameters while the second is a blind approach applied learnt from an images database.An experimental system has been designed, qualified and built to evaluate the real performance of these two methods, for different scenes. The developed algorithms show that it is possible to improve the depth estimation accuracy with a chromatic imaging system, by performing a multispectral analysis. This approach does not affect the reconstructed sharp color image quality. In addition, the first algorithm allowed us to establish an optimization criterion to find the optimal system parameters, for a desired application
Bilodeau, Lynda. "La contribution du système chromatique à la perception du mouvement dans l'ensemble du champ visuel". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0019/NQ47595.pdf.
Pełny tekst źródłaGrellier, Edouard. "Etude des effets non-linéaires à l'oeuvre dans les transmissions optiques fortement dispersifs". Besançon, 2011. http://www.theses.fr/2011BESA2044.
Pełny tekst źródłaIn order to respond to the ever increasing need for capacity in data transmission, telecommunication providers are now installing optical transmission systems operating at 100Gbit/s per channel. To enable such transmission, several key technologies have been developed such as coherent detection and new modulation formats. In the meantime, the transmission line itself is evolving and system with no line chromatic dispersion compensation are more and more considered , these systems operate in the so-called “highly dispersive regime”. The large distortion affects the non-linear interactions among the different signals and makes it necessary to revisit the study of the non-linear effects. To that end, we begin by showing that the study of highly dispersive system requires test sequences of several thousands of bits. Then, we derive a first order perturbative approach of the non-linear Schrödinger equation for a vector field that enables to study systems using modulated on either 1 or 2 polarisations. We show that in highly dispersive systems, the impact of non linear effects is similar to additive Gaussian noise. And we use this property to revisit the notion of non-linear threshold, i. E. The optical power setting leading to the best trade-off between the impacts of the noise and the non-linear effects. Finally we establish practical design rules predicting the evolution of the performance with respect to parameters such as the number of spans, the optical power or the amount of cumulated chromatic dispersion. And we establish a model providing a performance prediction for any dispersion management strategy
Airiau, Mecthilde. "Les mots et les usages de la couleur chez les peintres du Trecento florentin". Electronic Thesis or Diss., Sorbonne université, 2025. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2025SORUL017.pdf.
Pełny tekst źródłaThis thesis investigates the uses and functions of colour in Florentine panel painting of the Trecento. As the first study on this topic, it moves beyond a mere analysis of hues, using a multidisciplinary approach that incorporates lexicography, material studies, and visual analysis. To determine the role of colour within Florentine society, the first section undertakes a comprehensive examination of colour vocabulary in 14th-century Italian languages, revealing both the significance of red within Florentine culture and the neutrality of colour terms regardless of context. The second section provides a synthesis of previous studies on the material history of colour and an overview of the materials and their application techniques. It highlights the inherent complexity of tempera techniques and the systematic use of pigments, while also allowing for some adaptability to artists' preferences. Finally, the third section examines the functions of colour within images, from both iconographic and pictorial perspectives. This study brings to light the systems underpinning painter colour choices, showing that, while certain individual preferences may be identified, the use of colour in panel paintings follows iconographic, rhetorical, and functional rationales reflecting the intellectual, religious, and artistic context of the period
Baribeau, François. "Guide d'onde effilé comme compensateur de dispersion chromatique dans les systèmes de communications multi-longueurs d'onde". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ60696.pdf.
Pełny tekst źródłaAlmouzni, Geneviève. "Utilisation d'un systeme derive d'oeufs de xenope pour etudier la replication et l'assemblage en chromatine de l'adn". Paris 6, 1988. http://www.theses.fr/1988PA066018.
Pełny tekst źródłaCortès, Pierre-Yves. "Compensation de la dispersion chromatique et des effets non-linéaires par conjugaison de phase optique pour les systèmes de télécommunications par fibre à haut débit". Limoges, 1996. http://www.theses.fr/1996LIMO0036.
Pełny tekst źródłaAlmouzni, Geneviève. "Utilisation d'un système dérivé d'oeufs de Xénope pour étudier la réplication et l'assemblage en chromatine de l'ADN". Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37611261k.
Pełny tekst źródłaCollura, Ada. "Rôle de la protéine Crb2 dans les systèmes de surveillance de l'intégrité du génome chez Schizosaccharomyces pombe". Paris 11, 2005. http://www.theses.fr/2005PA112104.
Pełny tekst źródłaThe appearance of DNA lesions or problems during the replicative phase or during microtubule attachment to centromeres during mitosis in Schizosacharomyces pombe, like in all other eucaryotes, all result in the activation of checkpoint systems responsible for DNA repair, and for correct DNA replication and mitotic spindle assembly. When anomalies in one of these cellular processes are detected, the different checkpoint systems can nhibit or retard cell cycle progression, thus allowing the cell machinery to repair the problem encountered without affecting the transmission of genetic information to the daughter cells. During my PhD, I have studied, on one hand, the Dset1 allele of S. Pombe, an allele which is deficient in methyltransferase activity towards lysine 4 of the histone H3. More specifically, I have studied the effect of mutations in checkpoint genes on the response of the Dset1 strain to different genotoxic treatments. I have also investigated a new function assigned to the Crb2 protein of S. Pombe. This protein is essential for the activation of the Chk1 kinase after induction of the DNA repair checkpoint. In this pathway Crb2 plays the role of an adapter, recruiting Chk1 to the vicinity of the Rad3 kinase, thus enhancing Chk1 phosphorylation by Rad3. The Crb2 protein is also necessary for cell survival in response to chronic exposure to hydroxyurea or to DNA polymerase inhibition
Mazeau, Jean-Paul. "De la vidéo virtuelle à la compréhension de l'image en temps réel par l'analyse des composantes chromatiques : des applications dans le domaine de la réalité virtuelle". Paris 8, 1992. http://www.theses.fr/1992PA080698.
Pełny tekst źródłaThis thesis is divided into 2 parts. The first one deals with the problems of the virtual montage of video sequences recorded on various supports. After the analysis we propose a serial or parallel processing machine capable of accessing all available supports. This first step includes various applications in the fields of experimentation. Teaching, games, etc. The second step deals with the generalization of virtual video beyond the limits of the use of video as a support of visible images. It introduces the concept of (iconicdata) and offers a machine architecture designed to process the image directlyfrom such data, on the basis of the signal. This specific parallel architecture uses the concept of (authorsilicium) which allows for application cnstrained silicium, so as to process, through a set of rules all the relations between the images to be understood and the images that help to understand. This architecture operates on an information frame cycle, i. E. 25 times per second. Processing time depend neither on the number of video patterns to be understood nor on, the complexity of the relations between theses patterns. We consider a set of examples from suitable applications domain such as: robotics, image comprehension, interactive movement, virtual reality