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Open Systems
(1982-12-01)
This paper describes some problems and opportunities associated with conceptual modeling for the kind of "open systems" we foresee must and will be increasingly recognized as a central line of computer system development. ...
Binocular Shading and Visual Surface Reconstruction
(1982-08-01)
Zero-crossing or feature-point based stereo algorithms can, by definition, determine explicit depth information only at particular points on the image. To compute a complete surface description, this sparse depth map ...
LetS: An Expressional Loop Notation
(1983-02-01)
Many loops can be more easily understood and manipulated if they are viewed as being built up out of operations on sequences of values. A notation is introduced which makes this viewpoint explicit. Using it, loops can ...
Policy-Protocol Interaction in Composite Processes
(1982-09-01)
Message policy is defined to be the description of the disposition of messages of a single type, when received by a group of processes. Group policy applies to all the processes of a group, but for a single message ...
Robot Programming
(1982-12-01)
The industrial robot's principal advantage over traditional automation is programmability. Robots can perform arbitrary sequences of pre-stored motions or of motions computed as functions of sensory input. This paper ...
Seeing What Your Programs Are Doing
(1982-02-01)
An important skill in programming is being able to visualize the operation of procedures, both for constructing programs and debugging them. Tinker is a programming environment for Lisp that enables the programmer to ...
A Theoretical Analysis of the Electrical Properties of a X-Cell in the Cat's LGN
(1984-03-01)
Electron microscope studies of relay cells in the lateral geniculate nucleus of the CAT have shown that the retinal input of X-cells is associated with a special synaptic circuitry, termed the spine-triad complex. The ...
PRISM: A Practical Real-Time Imaging Stereo Matcher
(1984-05-01)
A binocular-stereo-matching algorithm for making rapid visual range measurements in noisy images is described. This technique is developed for application to problems in robotics where noise tolerance, reliability, and ...
An Information Storage Mechanism: Calcium and Spines
(1984-04-01)
This proposal addresses some of the biophysical events possibly underlying fast activity-dependent changes in synaptic efficiency. Dendritic spines in the cortex have attracted increased attention over the last years ...
An Analog Model of Computation for the Ill-Posed Problems of Early Vision
(1984-05-01)
A large gap exists at present between computational theories of vision and their possible implementation in neural hardware. The model of computation provided by the digital computer is clearly unsatisfactory for the ...