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Three-dimensional (3D) shape models are powerful because they enable the inference of object shape from incomplete, noisy, or ambiguous 2D or 3D data. For example, realistic parameterized 3D human body models have been used to infer the shape and pose of people from images. To train such models, a corpus of 3D body scans is typically brought into(More)
A key challenge facing nanotechnologies is learning to control uncertainty introduced by stochastic self-assembly. In this article, we explore architectural and manufacturing strategies to cope with this uncertainty when assembling nanoarrays, crossbars composed of two orthogonal sets of parallel nanowires (NWs) that are differentiated at their time of(More)
Peer-to-peer systems have been proposed for a wide variety of applications, including file-sharing, web caching, distributed computation, cooperative backup, and onion routing. An important motivation for such systems is self-scaling. That is, increased participation increases the capacity of the system. Unfortunately, this property is at risk from selfish(More)
A key challenge that will face nanotechnologies will be controlling the uncertainty introduced by stochastic self-assembly. In this paper we explore architectural and manufacturing strategies to cope with this uncertainty when assembling nanoarrays, crossbars composed of two orthogonal sets of coded parallel nanowires. Because the encodings of nanowires(More)
Methods for assembling crossbars from nanowires (NWs) have been designed and implemented. Methods for controlling individual NWs within a crossbar have also been proposed, but implementation remains a challenge. A NW decoder is a device that controls many NWs with, a much smaller number of lithographically produced mesoscale wires (MWs). Unlike traditional(More)
— Error-correcting codes have been very successful in protecting against errors in data transmission. Computing on encoded data, however, has proved more difficult. In this paper we extend a framework introduced by Spielman [14] for computing on encoded data. This new formulation offers significantly more design flexibility, reduced overhead, and(More)