Open Access Repositories: Recent submissions
Now showing items 2001-2020 of 4204
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Discourse Structure
(MIT Artificial Intelligence Laboratory, 1976-08-17)An essential step in understanding connected discourse is the ability to link the meanings of successive sentences together. Given a growing database to which new sentence meanings must be linked, which out of many possible ...
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Digital Control of a Six-Axis Manipulator
(MIT Artificial Intelligence Laboratory, 1976-08)This paper describes a scheme for providing low-level control of a multi-link serial manipulator. The goal was to achieve adaptive behavior without making assumptions about the environment.
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On the Representation and Use of Semantic Categories: A Survey and Prospectus
(MIT Artificial Intelligence Laboratory, 1976-05)This paper is intended as a brief introduction to several issues concerning semantic categories. These are the everyday, factual groupings of world knowledge according to some similarity in characteristics. Some psychological ...
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Hand Eye Coordination
(MIT Artificial Intelligence Laboratory, 1976-07)This paper describes a simple method of converting visual coordinates to arm coordinates which does not require knowledge of the position of the camera(s). Comparisons are made to other methods and two camera, three ...
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Two Simple Algorithms For Displaying Orthographic Projections of Surfaces
(MIT Artificial Intelligence Laboratory, 1976-08)Two simple algorithms are described for displaying orthographic projections of surfaces. The first, called RELIEF-PLOT, produces a three-dimensional plot of a surface z = f(x,y). The second, called SHADED-IMAGE, adds ...
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Structured Planning and Debugging: A Linguistic Approach to Problem Solving
(MIT Artificial Intelligence Laboratory, 1976-06-08)A structured approach to planning and debugging is obtained by using an Augmented Transition Network (ATN) to model the problem solving process. This proves to be a perspicuous representation for planning concepts including ...
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Symbol IC-Evaluation as an Aid to Program Synthesis
(MIT Artificial Intelligence Laboratory, 1976-04)Symbolic-evaluation is the process which abstractly evaluates an actor program and checks to see whether the program fulfills its contract (specification). In this paper, a formalism based on the conceptual representation ...
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CGOL - an Alternative External Representation For LISP users
(MIT Artificial Intelligence Laboratory, 1976-03)Advantages of the standard external representation of LISP include its simple definition, its economical implementation and its convenient extensibility. These advantages have been gained by trading off syntactic variety ...
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An Actor-Based Computer Animation Language
(MIT Artificial Intelligence Laboratory, 1976-02)This paper reproduces an appendix of a doctoral thesis proposal that describes a language based on actor semantics designed especially for animation. The system described herein is built upon MacLisp and is also compatible ...
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A Knowledge-Based Computer Animation System
(MIT Artificial Intelligence Laboratory, 1976-02)This paper reproduces part of a doctoral thesis proposal describing the design of a system capable of generating animated drawings in response to a simple story. The representation and interaction of the various sources ...
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Knowledge Driven Recognition of the Human Body
(MIT Artificial Intelligence Laboratory, 1976-01)This paper shows how a good internal model of the subject viewed aids in the visual recognition and following of key parts. The role of knowledge driven top-down tools and methods is shown by recognizing a series of human ...
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Mini-Robot Group User's Guide Part 2: Access From ITS
(MIT Artificial Intelligence Laboratory, 1978-06)Part 2 of the MINI-ROBOT USER'S GUIDE describes those devices attached to the mini-robot system which may be accessed from ITS, and describes the appropriate software for accessing them. Specifically, the photowriter, ...
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Guided Time Warping for Motion Editing
(2007-08-01)Time warping allows users to modify timing without affecting poses. It has many applications in animation systems for motion editing, such as refining motions to meet new timing constraints or modifying the acting of ...
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Style Translation for Human Motion
(2005-08-01)Style translation is the process of transforming an input motion into a new style while preserving its original content. This problem is motivated by the needs of interactive applications, which require rapid processing ...
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Example-Based Control of Human Motion
(2004-07-01)In human motion control applications, the mapping between a control specification and an appropriate target motion often defies an explicit encoding. We present a method that allows such a mapping to be defined by example, ...
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A Note on Perturbation Results for Learning Empirical Operators
(2008-08-19)A large number of learning algorithms, for example, spectral clustering, kernel Principal Components Analysis and many manifold methods are based on estimating eigenvalues and eigenfunctions of operators defined by a ...
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A Stored Picture Hacking Facility
(MIT Artificial Intelligence Laboratory, 1972-06)A short description of LISP functions that have been written for use with the stored picture facility. These functions allow one to display an image of a stored scene on the 340 scope, and produce graphs and histograms of ...
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Transductive Ranking on Graphs
(2008-08-07)In ranking, one is given examples of order relationships among objects, and the goal is to learn from these examples a real-valued ranking function that induces a ranking or ordering over the object space. We consider the ...
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Adaptive Envelope MDPs for Relational Equivalence-based Planning
(2008-07-29)We describe a method to use structured representations of the environmentâ s dynamics to constrain and speed up the planning process. Given a problem domain described in a probabilistic logical description language, we ...
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Cognitive Cliches
(MIT Artificial Intelligence Laboratory, 1986-04)This paper is an exploration of a wide class of mental structures called cognitive cliches that support intermediate methods that are moderately general purpose, in that a few of them will probably be applicable to any ...
