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Research and Teaching Output of the MIT Community

Browsing CSAIL Digital Archive by Title

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  • Steinkraus, Kurt; Kaelbling, Leslie Pack (2004-10-21)
    One of the reasons that it is difficult to plan and act in real-worlddomains is that they are very large. Existing research generallydeals with the large domain size using a static representation andexploiting a single ...
  • Taycher, Leonid; Fisher III, John W.; Darrell, Trevor (2005-03-02)
    Objects can exhibit different dynamics at different scales, a property that isoftenexploited by visual tracking algorithms. A local dynamicmodel is typically used to extract image features that are then used as inputsto a ...
  • Wolf, Lior; Bileschi, Stanley (2005-03-30)
    This paper bridges the gap between variable selection methods (e.g., Pearson coefficients, KS test) and dimensionality reductionalgorithms (e.g., PCA, LDA). Variable selection algorithms encounter difficulties dealing with ...
  • Timoner, Samson (2003-07-04)
    We develop efficient techniques for the non-rigid registration of medical images by using representations that adapt to the anatomy found in such images. Images of anatomical structures typically have uniform intensity ...
  • Harvey, Nicholas J.; Kleinberg, Robert D.; Lehman, April Rasala (2004-11-24)
    Given a graph G = (V,E) and k source-sink pairs of vertices, this papers investigates the maximum rate r at which all pairs can simultaneously communicate. We view this problem from two perspectives and compare their ...
  • Wu, Jia Jane (2005-05-25)
    This thesis presents a method of object classification using the idea of deformable shape matching. Three types of visual features, geometric blur, C1 and SIFT, are used to generate feature descriptors. These feature ...
  • Maggio, Martina; Hoffmann, Henry; Santambrogio, Marco D.; Agarwal, Anant; Leva, Alberto (2011-04-01)
    Autonomic computing systems are capable of adapting their behavior and resources thousands of times a second to automatically decide the best way to accomplish a given goal despite changing environmental conditions and ...
  • Heikkinen, Mikko V. J.; Berger, Arthur W. (2011-05-03)
    We compare Web traffic characteristics of mobile- versus fixed-access end-hosts, where herein the term "mobile" refers to access via cell towers, using for example the 3G/UMTS standard, and the term "fixed" includes Wi-Fi ...
  • Abbott, Tim; Kane, Daniel; Valiant, Paul (2005-02-08)
    We exhibit a polynomial reduction from the problem of finding a Nashequilibrium of a bimatrix game with rational coefficients to the problemof finding a Nash equilibrium of a bimatrix game with 0-1 coefficients.
  • Morgenstern, Christian; Heisele, Bernd (2003-11-28)
    We present a component-based approach for recognizing objectsunder large pose changes. From a set of training images of a givenobject we extract a large number of components which are clusteredbased on the similarity of ...
  • Bonawitz, Keith A (2008-07-23)
    Probabilistic inference provides a unified, systematic framework for specifying and solving these problems. Recent work has demonstrated the great value of probabilistic models defined over complex, structured domains. ...
  • Wingate, David; Diuk, Carlos; O'Donnell, Timothy; Tenenbaum, Joshua; Gershman, Samuel (2013-04-12)
    This paper describes a probabilistic framework for incorporating structured inductive biases into reinforcement learning. These inductive biases arise from policy priors, probability distributions over optimal policies. ...
  • Poggio, Tomaso; Mutch, Jim; Leibo, Joel; Rosasco, Lorenzo; Tacchetti, Andrea (2012-12-29)
    This paper explores the theoretical consequences of a simple assumption: the computational goal of the feedforward path in the ventral stream -- from V1, V2, V4 and to IT -- is to discount image transformations, after ...
  • Agarwala, Aseem; Bae, Soonmin; Durand, Fredo (2010-04-07)
    Rephotographers aim to recapture an existing photograph from the same viewpoint. A historical photograph paired with a well-aligned modern rephotograph can serve as a remarkable visualization of the passage of time. However, ...
  • Gardiol, Natalia H.; Kaelbling, Leslie Pack (2006-03-20)
    In order for autonomous artificial decision-makers to solverealistic tasks, they need to deal with the dual problems of searching throughlarge state and action spaces under time pressure.We study the problem of planning ...
  • Zhou, You (2009-04-16)
    Network coordinate systems allow for efficient construction of large-scale distributed systems on the Internet. Coordinates provide locality information in a compact way, without requiring each node to contact every potential ...
  • Jackson, Daniel (2013-08-08)
    A research agenda in software design is outlined, focusing on the role of concepts. The notions of concepts as "abstract affordances" and of conceptual integrity are discussed, and a series of small examples of conceptual ...
  • Taycher, Leonid; Shakhnarovich, Gregory; Demirdjian, David; Darrell, Trevor (2005-12-01)
    We describe a state-space tracking approach based on a Conditional Random Field(CRF) model, where the observation potentials are \emph{learned} from data. Wefind functions that embed both state and observation into a space ...
  • Azar, Pablo; Chen, Jing; Micali, Silvio (2010-12-20)
    Classical Bayesian mechanism design is "centralized," that is, the designer is assumed to know the distribution D from which the players' type profile has been drawn. We instead investigate a very "decentralized" Bayesian ...
  • Azar, Pablo; Chen, Jing; Micali, Silvio (2010-09-08)
    We put forward a new class of mechanisms. In this extended abstract, we exemplify our approach only for single-good auctions in what we call a conservative-Bayesian setting. (Essentially, no common-knowledge about the ...
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