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Descriptive Simulation: Combining Symbolic and Numerical Methods in the Analysis of Chemical Reaction Mechanisms
(1989-09-01)
The Kineticist's Workbench is a computer program currently under development whose purpose is to help chemists understand, analyze, and simplify complex chemical reaction mechanisms. This paper discusses one module ...
The Bifurcation Interpreter: A Step Towards the Automatic Analysis of Dynamical Systems
(1989-09-01)
The Bifurcation Interpreter is a computer program that autonomously explores the steady-state orbits of one-parameter families of periodically- driven oscillators. To report its findings, the Interpreter generates ...
A Self-Organizing Multiple-View Representation of 3D Objects
(1989-08-01)
We explore representation of 3D objects in which several distinct 2D views are stored for each object. We demonstrate the ability of a two-layer network of thresholded summation units to support such representations. Using ...
A Comparison of Hardware Implementations for Low-Level Vision Algorithms
(1989-11-01)
Early and intermediate vision algorithms, such as smoothing and discontinuity detection, are often implemented on general-purpose serial, and more recently, parallel computers. Special-purpose hardware implementations ...
Battling Reality
(1989-10-01)
In the four years that the MIT Mobile Robot Project has benn in existence, we have built ten robots that focus research in various areas concerned with building intelligent systems. Towards this end, we have embarked on ...
Free Indexation: Combinatorial Analysis and a Compositional Algorithm
(1989-12-01)
In the principles-and-parameters model of language, the principle known as "free indexation'' plays an important part in determining the referential properties of elements such as anaphors and pronominals. This paper ...
Computational Vision: A Critical Review
(1989-10-01)
We review the progress made in computational vision, as represented by Marr's approach, in the last fifteen years. First, we briefly outline computational theories developed for low, middle and high-level vision. We ...
Recognizing Three-Dimensional Objects without the Use of Models
(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 ...
Parallel Computation of Vernier Offsets, Curvature and Chevrons in Humans
(1989-12-01)
A vernier offset is detected at once among straight lines, and reaction times are almost independent of the number of simultaneously presented stimuli (distractors), indicating parallel processing of vernier offsets. ...
Disparity Gradients and Depth Scaling
(1989-09-01)
The binocular perception of shape and depth relations between objects can change considerably if the viewing direction is changed only by a small angle. We explored this effect psychophysically and found a strong depth ...