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Piezoelectric Ultrasonic Micromotors
(1995-06-01)
This report describes development of micro-fabricated piezoelectric ultrasonic motors and bulk-ceramic piezoelectric ultrasonic motors. Ultrasonic motors offer the advantage of low speed, high torque operation without ...
Uncertainty Propagation in Model-Based Recognition
(1995-02-01)
Building robust recognition systems requires a careful understanding of the effects of error in sensed features. Error in these image features results in a region of uncertainty in the possible image location of each ...
Parallel Simulation of Subsonic Fluid Dynamics on a Cluster of Workstations
(1995-12-01)
An effective approach of simulating fluid dynamics on a cluster of non- dedicated workstations is presented. The approach uses local interaction algorithms, small communication capacity, and automatic migration of parallel ...
Spatial Reference Frames for Object Recognition: Tuning for Rotations in Depth
(1995-03-01)
The inferior temporal cortex (IT) of monkeys is thought to play an essential role in visual object recognition. Inferotemporal neurons are known to respond to complex visual stimuli, including patterns like faces, ...
Linear Object Classes and Image Synthesis from a Single Example Image
(1995-03-01)
The need to generate new views of a 3D object from a single real image arises in several fields, including graphics and object recognition. While the traditional approach relies on the use of 3D models, we have recently ...
A Note of Zipf's Law, Natural Languages, and Noncoding DNA Regions
(1995-03-01)
In Phys. Rev. Letters (73:2), Mantegna et al. conclude on the basis of Zipf rank frequency data that noncoding DNA sequence regions are more like natural languages than coding regions. We argue on the contrary that an ...
The M-Machine Multicomputer
(1995-03-01)
The M-Machine is an experimental multicomputer being developed to test architectural concepts motivated by the constraints of modern semiconductor technology and the demands of programming systems. The M- Machine computing ...
Aeroacoustics on Non-Dedicated Workstations
(1995-04-01)
The simulation of subsonic aeroacoustic problems such as the flow-generated sound of wind instruments is well suited for parallel computing on a cluster of non-dedicated workstations. Simulations are demonstrated which ...
Comparison Between Subsonic Flow Simulation and Physical Measurements of Flue Pipes
(1995-04-01)
Direct simulations of wind musical instruments using the compressible Navier Stokes equations have recently become possible through the use of parallel computing and through developments in numerical methods. As a first ...
Face Recognition from One Example View
(1995-09-01)
If we are provided a face database with only one example view per person, is it possible to recognize new views of them under a variety of different poses, especially views rotated in depth from the original example ...