Gotowa bibliografia na temat „Signatures visuelles”
Utwórz poprawne odniesienie w stylach APA, MLA, Chicago, Harvard i wielu innych
Spis treści
Zobacz listy aktualnych artykułów, książek, rozpraw, streszczeń i innych źródeł naukowych na temat „Signatures visuelles”.
Przycisk „Dodaj do bibliografii” jest dostępny obok każdej pracy w bibliografii. Użyj go – a my automatycznie utworzymy odniesienie bibliograficzne do wybranej pracy w stylu cytowania, którego potrzebujesz: APA, MLA, Harvard, Chicago, Vancouver itp.
Możesz również pobrać pełny tekst publikacji naukowej w formacie „.pdf” i przeczytać adnotację do pracy online, jeśli odpowiednie parametry są dostępne w metadanych.
Artykuły w czasopismach na temat "Signatures visuelles"
Kern, Lukas, Johann Valentin Seebaß i Jan Schlüter. "Das Potenzial von vertikalen Windenergieanlagen im Kontext wachsender Flächennutzungskonflikte und Akzeptanzprobleme der Windenergie". Zeitschrift für Energiewirtschaft 43, nr 4 (26.11.2019): 289–302. http://dx.doi.org/10.1007/s12398-019-00264-7.
Pełny tekst źródłaGademer, Antoine, Loïca Avanthey, Laurent Beaudouin, Michel Roux i Jean-Paul Rudant. "Micro-charges utiles dédiées à l'acquisition de données par drone pour l'étude des zones naturelles". Revue Française de Photogrammétrie et de Télédétection, nr 213 (31.03.2017): 19–31. http://dx.doi.org/10.52638/rfpt.2017.192.
Pełny tekst źródłaJouventin, Pierre, Thierry Lengagne i Thierry Aubin. "Finding One's Mate in a King Penguin Colony: Efficiency of Acoustic Communication". Behaviour 136, nr 7 (1999): 833–46. http://dx.doi.org/10.1163/156853999501595.
Pełny tekst źródłaRozprawy doktorskie na temat "Signatures visuelles"
Lefebvre, Grégoire. "Sélection et fusion de signatures visuelles parcimonieuses : application à la classification d'images naturelles". Bordeaux 2, 2007. http://www.theses.fr/2007BOR21463.
Pełny tekst źródłaThis thesis is concerned with automatic classification. The objective is to assign an identity to a test image among a set of known category. The underlying approach aim at extracting a specific set of parsimonious visual signatures, then selecting and melting discriminative information, before designing a classification scheme adapted to the context. Many methods have been proposed in order to describe visual content. One of the most effective is based on points of interest extraction and local singularity description. In the thesis, this principle is used to define next local signature and combination, based on self-organizing neural maps. A novel image information support s then proposed, being the activation of a multimodal neural model. The proposed methods focus on specific elements of one image class versus the other categories. It permits robustness to viewpoint changes, illumination variations and partial occlusions. The proposed techniques are evaluated and compared to usual methods using various international databases. These experiments show the effectiveness of the proposed approaches, in particular, in the domains of image classification, face recognition and objectionable content exclusion
Marie, Romain. "Exploration autonome et construction de cartes topologiques référencées vision omnidirectionnelle". Amiens, 2014. https://theses.hal.science/tel-04515697.
Pełny tekst źródłaIn this work, we address the problem of autonomous exploration and topological map building in totally unknown environments for a mobile robot equipped with a sole catadioptric sensor. Multiple local representations for spatial knowledge are built upon visual information only. First, we develop an adaptated skeletonization algorithm. Applied on the extracted free space in the image, it carries the topological properties of the observed scene, and describes safe trajectories in the environment. Second, we propose a visual signature using the complement of the free space in the image, so that only the most relevant photometric information is considered. Using this representation, the robot can map the environment into a collection of places, and use them to keep track of its localization. The built representations are then organized in a topological map of the environment, which allows the robot to handle high-level behaviours (leading for instance to a structured exploration and coverage of the environment)
Ory, Jérémie. "Connaissances pour la conception et la perception de styles topographiques". Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1058/document.
Pełny tekst źródłaThe design of topographic maps of reference is characterised both by an increasing amount of reference geographic databases and by design geo-services operating in distributed architectures. In this context, one of the major challenges consists in enriching the current knowledge on cartographic design in order to preserve the maps quality, i.e. they are legible, effective and usable. We assume that the topographic style renders maps legible and effective thanks to the visual codes and guides, well-known by the users. Our research purpose aims at formalising the concept of a topographic style as a cartographic family with a recognizable visual signature in order to produce new topographic maps.We propose to formalize key concepts of visual signature and cartographic family in a unified model. We validate and instantiate this model in setting up interviews of cartography experts and in designing user’s experiments allowing to evaluate the visual recognition of maps and graphic signs belonging in Swisstopo and IGN-France cartographic families. With results of the two user’s experiments, we characterize the visual signature of the two cartographic families. Then, we propose cartographic design guidelines in order to produce reference topographic maps based on the characterisation of the visual signature for two cases studies: (1) design a map belonging in a given cartographic family, (2) design a map on the border of two countries / two national mapping agencies
Reihammar, Emma. "Mönstersimulering av kamouflage : Framtagning av metodik för virtuell utvärdering av visuell maskeringsförmåga". Thesis, Uppsala universitet, Industriell teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-430015.
Pełny tekst źródłaSaab Barracuda develops and manufactures advanced camouflage systems for protection against detection and identification through signature management. Signature management is a fundamental part of the tactical strategy of military forces and is achieved by reducing the contrast against the background of appropriate wavelength ranges within the electromagnetic spectrum. In the visual field, signature differences are mainly reduced by colors and patterns, which are adapted to the target's tactical environment. In order to enable optimization of camouflage, it is important to be able to evaluate the effectiveness of the various influencing properties when it comes to reducing an object's signature, which further refers to the characteristics of an object that distinguish it from its surroundings. Nowadays, this is mainly done through field studies. The method provides an accurate picture of the dynamic range that occurs in reality, but the combination of different types of objects, terrains, tactical distances and environmental-related parameters quickly makes the evaluation process a time and resource consuming process. The purpose of this thesis is to develop a method for virtual evaluation of a camouflage visual signature in order to make the development process more time and resource efficient. The approach consists of document studies in combination with simulation studies. The methodology used to achieve the method follows Design research methodology (DRM), which aims to provide an understanding of processes and develop support to improve or optimize them. The results of the study together form a workflow for virtual evaluation of different patterns. A 3D model of the camouflage net has been developed and a method for collecting 2D images of terrains is described. The method enables evaluation at different observation distances and viewing angles where patterns and backgrounds easily can be changed. Sun and weather data can be adapted to the image to visually obtain a realistic result. Evaluation is done in Adobe Dimension and the model has been created in Autodesk 3ds max. The settings used to mimic the mechanical and spectral properties of the physical camouflage were approximated by subjectively comparing the optical contrast between simulation and photo. The result was presented for the research and development team on Saab Barracuda with 14 persons being present.
Garboan, Adriana. "Traçage de contenu vidéo : une méthode robuste à l’enregistrement en salle de cinéma". Thesis, Paris, ENMP, 2012. http://www.theses.fr/2012ENMP0097/document.
Pełny tekst źródłaSine qua non component of multimedia content distribution on the Internet, video fingerprinting techniques allow the identification of content based on digital signatures(fingerprints) computed from the content itself. The signatures have to be invariant to content transformations like filtering, compression, geometric modifications, and spatial-temporal sub-sampling/cropping. In practice, all these transformations are non-linearly combined by the live camcorder recording use case.The state-of-the-art limitations for video fingerprinting can be identified at three levels: (1) the uniqueness of the fingerprint is solely dealt with by heuristic procedures; (2) the fingerprinting matching is not constructed on a mathematical ground, thus resulting in lack of robustness to live camcorder recording distortions; (3) very few, if any, full scalable mono-modal methods exist.The main contribution of the present thesis is to specify, design, implement and validate a new video fingerprinting method, TrackART, able to overcome these limitations. In order to ensure a unique and mathematical representation of the video content, the fingerprint is represented by a set of wavelet coefficients. In order to grant the fingerprints robustness to the mundane or malicious distortions which appear practical use-cases, the fingerprint matching is based on a repeated Rho test on correlation. In order to make the method efficient in the case of large scale databases, a localization algorithm based on a bag of visual words representation (Sivic and Zisserman, 2003) is employed. An additional synchronization mechanism able to address the time-variants distortions induced by live camcorder recording was also designed.The TrackART method was validated in industrial partnership with professional players in cinematography special effects (Mikros Image) and with the French Cinematography Authority (CST - Commision Supérieure Technique de l'Image et du Son). The reference video database consists of 14 hours of video content. The query dataset consists in 25 hours of replica content obtained by applying nine types of distortions on a third of the reference video content. The performances of the TrackART method have been objectively assessed in the context of live camcorder recording: the probability of false alarm lower than 16 10-6, the probability of missed detection lower than 0.041, precision and recall equal to 0.93. These results represent an advancement compared to the state of the art which does not exhibit any video fingerprinting method robust to live camcorder recording and validate a first proof of concept for the developed statistical methodology
Garboan, Adriana. "Traçage de contenu vidéo : une méthode robuste à l'enregistrement en salle de cinéma". Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00871762.
Pełny tekst źródłaBalafrej, Lamia. "Objets de performance : Les peintures du Bustân de Sa'di signées Behzâd (v. 894 H./1488)". Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM3042.
Pełny tekst źródłaThis dissertation examines the paintings of one of the most important manuscripts of the Persianate book tradition: a copy of the Bustân of Sa‘di, executed in the Timurid court of Herât, ca. 894 H./1488. It argues that these paintings embody a shift in the understanding of painting from a device of representation to an object of performance. In the three chapters of the dissertation, I analyze several new characteristics that appear in the paintings of the Bustân. First, the painting becomes filled with elements that are not related to the text copied in the book (chapter I). Second, the monuments depicted are inscribed with poetic verses emphasizing the admiration of the viewer towards the paintings (chapter II). Lastly, the visual information becomes extremely miniaturized. The most meticulous details appear to be minute linear motifs. This emphasis on the line accords with the presence of the signature of the painter Behzâd, embedded in each composition (chapter III).All of these elements shift the attention of the viewer from the content represented in the paintings to the artistic process that led to their creation. By contrasting the paintings with the historical scenarios of their reception, this dissertation sheds light on a hitherto unnoticed aspect of late 9th/15th century Persian painting, one which foreshadows the development of art historiographical writings: the paintings signed “Behzâd” are conceived not only as representational devices, but also as objects of performance, that the painter uses to inscribe his gesture, and whose contemplation causes the viewer to elaborate discourses and fictions on the artist
Lemire, Christian. "Les signatures de l’artéfact imprimé en 3D : l'oeuvre d'art comme reproduction ou simulacre?" Thèse, 2017. http://constellation.uqac.ca/4452/1/Lemire_uqac_0862N_10398.pdf.
Pełny tekst źródłaCzęści książek na temat "Signatures visuelles"
Leeb, Susanne. "2. ACHTUNDSECHZIG ANTIKOLONIAL". W Image, 26–62. Bielefeld, Germany: transcript Verlag, 2022. http://dx.doi.org/10.14361/9783839460023-002.
Pełny tekst źródła