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Le sujet de cette thèse concerne la vision robotique. Plus précisément, nous nous intéressons à la réalisation de tâches de positionnement par asservissement visuel en nous restreignant toutefois au cas où l'objet observé est immobile. En revanche, nous ne formulons pas d'autre hypothèse, en particulier quant à sa forme, puisque nous la supposons inconnue. De même, nous supposons l'image en position désirée du porteur également inconnue. De ce fait, nous réalisons parallèlement à la tâche de positionnement une phase de reconstruction 3D permettant ainsi l'obtention du plan tangent en un point centré dans une zone d'intérêt de l'objet. Une loi de commande de type asservissement visuel 2D1/2 permet ensuite de positionner et d'orienter indifférement la caméra par rapport à ce plan tangent. Les paramètres de courbure sont également calculés, plus dans un souci de connaissance de l'objet observé en vue de leur utilisation éventuelle dans une application.
Black Skin, White Masks is a classic, devastating account of the dehumanising effects of colonisation experienced by black subjects living in a white world. First published in English in 1967, this book provides an unsurpassed study of the psychology of racism using scientific analysis and poetic grace.Franz Fanon identifies a devastating pathology at the heart of Western culture, a denial of difference, that persists to this day. A major influence on civil rights, anti-colonial, and black consciousness movements around the world, his writings speak to all who continue the struggle for political and cultural liberation.With an introduction by Paul Gilroy, author of There Ain't No Black in the Union Jack.
Time and the Rhythms of Emancipatory Education argues that by rethinking the way we relate to time, we can fundamentally rethink the way we conceive education. Beyond the contemporary rhetoric of acceleration, speed, urgency or slowness, this book provides an epistemological, historical and theoretical framework that will serve as a comprehensive resource for critical reflection on the relationship between the experience of time and emancipatory education. Drawing upon time and rhythm studies, complexity theories and educational research, Alhadeff-Jones reflects upon the temporal and rhythmic dimensions of education in order to (re)theorize and address current societal and educational challenges. The book is divided into three parts. The first begins by discussing the specificities inherent to the study of time in educational sciences. The second contextualizes the evolution of temporal constraints that determine the ways education is institutionalized, organized, and experienced. The third and final part questions the meanings of emancipatory education in a context of temporal alienation. This is the first book to provide a broad overview of European and North-American theories that inform both the ideas of time and rhythm in educational sciences, from school instruction, curriculum design and arts education, to vocational training, lifelong learning and educational policies. It will be of key interest to academics, researchers and postgraduate students in the fields of philosophy of education, sociology of education, history of education, psychology, curriculum and learning theory, and adult education. The Open Access version of this book, available at http://www.taylorfrancis.com, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license.
This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
"This volume covers the period from the end of the Neolithic era to the beginning of the seventh century of our era. This lengthy period includes the civilization of Ancient Egypt, the history of Nubia, Ethiopia, North Africa and the Sahara, as well as of the other regions of the continent and its islands."--Publisher's description
This book provides a readable introduction to handling qualities, the combination of pilot acceptability and piloted performance with stability and control. It adopts the analytical and qualitative standpoints needed for handling qualities analysis and design of fixed-wing aircraft. Although there are several texts on stability and control, until now none has provided insight into the piloting concerns that have affected the success of recent fly-by-wire aircraft developments.