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Browsing AI Memos (1959 - 2004) by Title

Research and Teaching Output of the MIT Community

Browsing AI Memos (1959 - 2004) by Title

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  • Nagao, Kenji; Grimson, Eric (1995-04-22)
    In this paper we describe a new efficient algorithm for recognizing 3D objects by combining photometric and geometric invariants. Some photometric properties are derived, that are invariant to the changes of illumination ...
  • Grimson, W. Eric; Huttenlocher, Daniel P.; Alter, T. D. (1992-07-01)
    Many object recognition systems use a small number of pairings of data and model features to compute the 3D transformation from a model coordinate frame into the sensor coordinate system. With perfect image data, these ...
  • Torralba, Antonio; Sinha, Pawan (2001-07-25)
    We propose a scheme for indoor place identification based on the recognition of global scene views. Scene views are encoded using a holistic representation that provides low-resolution spatial and spectral information. The ...
  • Huttenlocher, Daniel P.; Ullman, Shimon (1987-01-01)
    This paper presents an approach to recognition where an object is first {\\it aligned} with an image using a small number of pairs of model and image features, and then the aligned model is compared directly against ...
  • Marill, Thomas (1989-09-01)
    We present an approach to the problem of recognizing three-dimensional objects from line-drawings. In this approach there are no models. The system needs only to be given a single picture of an object; it can then ...
  • Barber, Gerald R. (1981-02-01)
    This paper is a compendium of the ideas and issues presented at the Chatham Bars Workshop on Office Semantics. The intent of the workshop was to examine the state of the art in office systems and to elucidate the ...
  • Hildreth, Ellen C. (1991-06-01)
    We present a model for recovering the direction of heading of an observer who is moving relative to a scene that may contain self-moving objects. The model builds upon an algorithm proposed by Rieger and Lawton (1985), ...
  • Tappen, Marshall F.; Freeman, William T.; Adelson, Edward H. (2002-09-01)
    We present an algorithm that uses multiple cues to recover shading and reflectance intrinsic images from a single image. Using both color information and a classifier trained to recognize gray-scale patterns, each image ...
  • Hildreth, Ellen C.; Ando, Hiroshi; Anderson, Richard; Treue, Stefan (1991-12-01)
    We address the computational role that the construction of a complete surface representation may play in the recovery of 3--D structure from motion. We present a model that combines a feature--based structure--from- ...
  • Marill, Thomas (1998-03-01)
    Any three-dimensional wire-frame object constructed out of parallelograms can be recovered from a single perspective two-dimensional image. A procedure for performing the recovery is given.
  • McCarthy, J. (1959-03-30)
    This memorandum is a continuation of Memo 8.
  • McCarthy, J. (1959-03-13)
    The attached paper is a description of the LISP system starting with the machine-independent system of recursive functions of symbolic expressions. This seems to be a better point of view for looking at the system than the ...
  • Hollerbach, John M. (1980-06-01)
    An efficient Lagrangian formulation of manipulator dynamics has been developed. The efficiency derives from recurrence relations for the velocities, accelerations, and generalized forces. The number of additions and ...
  • Rahimi, A.; Morency, L.-P.; Darrell, T. (2001-05-07)
    We develop a class of differential motion trackers that automatically stabilize when in finite domains. Most differ-ential trackers compute motion only relative to one previous frame, accumulating errors indefinitely. We ...
  • Hollerbach, John M.; Suh, Ki C. (1986-01-01)
    Methods for resolving kinematic redundancies of manipulators by the effect on joint torque are examined. When the generalized inverse is formulated in terms of accelerations and incorporated into the dynamics, the ...
  • McIntosh, Harold V. (1968-01-01)
    REEX is a CONVERT program, realized in the CTSS-LISP of Project Mac, for carrying out the McNaughton-Yamada analysis algorithm, whereby a regular expression is found describing the words accepted by a finite state machine ...
  • Verri, Alessandro; Poggio, Tomaso (1986-09-01)
    Many problems of early vision are ill-posed; to recover unique stable solutions regularization techniques can be used. These techniques lead to meaningful results, provided that solutions belong to suitable compact ...
  • Poggio, Tomaso; Voorhees, Harry; Yuille, Alan (1985-04-01)
    We consider edge detection as the problem of measuring and localizing changes of light intensity in the image. As discussed by Torre and Poggio (1984), edge detection, when defined in this way, is an ill-posed problem ...
  • Bawden, Alan (1988-06-01)
    Constructing self-referential systems, such as Brian Smith's 3-Lisp language, is actually more straightforward than you think. Anyone can build an infinite tower of processors (where each processor implements the ...
  • Zucker, Steven W.; Stevens, Kent A.; Sander, Peter T. (1982-05-01)
    The Gestalt studies demonstrated the tendency to visually organize dots on the basis of similarity, proximity, and global properties such as closure, good continuation, and symmetry. The particular organization imposed ...
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