Browsing Open Access Repositories by Subject "MIT"
Now showing items 41-54 of 54
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A Security Kernel Based on the Lambda-Calculus
(1996-03-13)Cooperation between independent agents depends upon establishing adegree of security. Each of the cooperating agents needs assurance that the cooperation will not endanger resources of value to that agent. In a computer ...
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Series Elastic Actuators
(1995-09-07)This thesis presents the design, construction, control and evaluation of a novel force controlled actuator. Traditional force controlled actuators are designed from the premise that "Stiffer is better''. This approach ...
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SketchIT: A Sketch Interpretation Tool for Conceptual Mechanical Design
(1996-03-13)We describe a program called SketchIT capable of producing multiple families of designs from a single sketch. The program is given a rough sketch (drawn using line segments for part faces and icons for springs and ...
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Specialization of Perceptual Processes
(1995-04-22)In this report, I discuss the use of vision to support concrete, everyday activity. I will argue that a variety of interesting tasks can be solved using simple and inexpensive vision systems. I will provide a number ...
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Support Vector Machines: Training and Applications
(1997-03-01)The Support Vector Machine (SVM) is a new and very promising classification technique developed by Vapnik and his group at AT&T Bell Labs. This new learning algorithm can be seen as an alternative training technique ...
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Three-Dimensional Correspondence
(1998-12-01)This paper describes the problem of three-dimensional object correspondence and presents an algorithm for matching two three-dimensional colored surfaces using polygon reduction and the minimization of an energy function. ...
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Towards Intelligent Structures: Active Control of Buckling
(1994-05-01)The buckling of compressively-loaded members is one of the most important factors limiting the overall strength and stability of a structure. I have developed novel techniques for using active control to wiggle a ...
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A Trainable Object Detection System: Car Detection in Static Images
(1999-10-13)This paper describes a general, trainable architecture for object detection that has previously been applied to face and peoplesdetection with a new application to car detection in static images. Our technique is a ...
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A Trainable System for Object Detection in Images and Video Sequences
(2000-05-01)This thesis presents a general, trainable system for object detection in static images and video sequences. The core system finds a certain class of objects in static images of completely unconstrained, cluttered scenes ...
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Trans-membrane Signal Transduction and Biochemical Turing Pattern Formation
(1999-09-28)The Turing mechanism for the production of a broken spatial symmetry in an initially homogeneous system of reacting and diffusing substances has attracted much interest as a potential model for certain aspects of ...
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Triangulation by Continuous Embedding
(1997-03-01)When triangulating a belief network we aim to obtain a junction tree of minimum state space. Searching for the optimal triangulation can be cast as a search over all the permutations of the network's vaeriables. Our ...
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The Unsupervised Acquisition of a Lexicon from Continuous Speech
(1996-01-18)We present an unsupervised learning algorithm that acquires a natural-language lexicon from raw speech. The algorithm is based on the optimal encoding of symbol sequences in an MDL framework, and uses a hierarchical ...
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Vector-Based Integration of Local and Long-Range Information in Visual Cortex
(1996-01-18)Integration of inputs by cortical neurons provides the basis for the complex information processing performed in the cerebral cortex. Here, we propose a new analytic framework for understanding integration within ...
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Visible Decomposition: Real-Time Path Planning in Large Planar Environments
(1998-06-01)We describe a method called Visible Decomposition for computing collision-free paths in real time through a planar environment with a large number of obstacles. This method divides space into local visibility graphs, ...