Representations
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Representation
Written especially for undergraduate students, Representation synthesises and updates our understandings of representation - and the tools for its analysis - for use in the new mediascape. Jenny Kidd uses an engaging range of current examples and a lively style to explore a number of key questions reflecting existing and contemporary debates about representation. These key questions include: Who ‘owns’ and manages representations? Whose realities are foregrounded, and whose are consigned to invisibility? To what extent are increased opportunities for self-representation altering the landscape? And what happens to representation within the noisy, playful and often subversive communications of the Internet? Kidd considers the political, social and cultural importance of representation across a broad spectrum of cultural and creative industries. This examination of the relationship between media/cultural representations and the construction of reality, identity and society makes it an ideal text for students that need to get to grips with this core thematic of media and cultural studies.
Sparse and Redundant Representations
Author: Michael Elad
language: en
Publisher: Springer Science & Business Media
Release Date: 2010-08-12
A long long time ago, echoing philosophical and aesthetic principles that existed since antiquity, William of Ockham enounced the principle of parsimony, better known today as Ockham’s razor: “Entities should not be multiplied without neces sity. ” This principle enabled scientists to select the ”best” physical laws and theories to explain the workings of the Universe and continued to guide scienti?c research, leadingtobeautifulresultsliketheminimaldescriptionlength approachtostatistical inference and the related Kolmogorov complexity approach to pattern recognition. However, notions of complexity and description length are subjective concepts anddependonthelanguage“spoken”whenpresentingideasandresults. The?eldof sparse representations, that recently underwent a Big Bang like expansion, explic itly deals with the Yin Yang interplay between the parsimony of descriptions and the “language” or “dictionary” used in them, and it became an extremely exciting area of investigation. It already yielded a rich crop of mathematically pleasing, deep and beautiful results that quickly translated into a wealth of practical engineering applications. You are holding in your hands the ?rst guide book to Sparseland, and I am sure you’ll ?nd in it both familiar and new landscapes to see and admire, as well as ex cellent pointers that will help you ?nd further valuable treasures. Enjoy the journey to Sparseland! Haifa, Israel, December 2009 Alfred M. Bruckstein vii Preface This book was originally written to serve as the material for an advanced one semester (fourteen 2 hour lectures) graduate course for engineering students at the Technion, Israel.
Meaning and Mental Representations
..". an excellent collection... " -- Journal of Language Social Psychology An important collection of original essays by well-known scholars debating the questions of logical versus psychologically-based interpretations of language.