Now showing items 2300-2319 of 2899

    • Saddle points in random matrices: analysis of Knuth search algorithms 

      Hofri, Micha; Jacquet, Philippe (1997-12-22)
      In this note we present an analysis of algorithms for finding saddle points in a random matrix, presented by Donald E. Knuth as exercise 1.3.2-12 in The Art of Computer Programming. We estimate the average computing costs ...
    • Safety of Robotic Systems - Guest Editorial 

      Petersen, Kurt E.; Walker, Ian D.; Cavallaro, Joseph R. (1996-09-01)
      We were delighted to be invited by the editors of Reliability Engineering and System Safety to organise a special issue on the Safety of Robotic Systems. Robotic systems have now reached a level of sophistication far ...
    • Sampling and recovery of pulse streams 

      Hegde, Chinmay (2010)
      Compressive Sensing (CS) is a new technique for the efficient acquisition of signals, images, and other data that have a sparse representation in some basis, frame, or dictionary. By sparse we mean that the N -dimensional ...
    • SAVI: Synthetic apertures for long-range, subdiffraction-limited visible imaging using Fourier ptychography 

      Holloway, Jason; Wu, Yicheng; Sharma, Manoj K.; Cossairt, Oliver; Veeraraghavan, Ashok (2017)
      Synthetic aperture radar is a well-known technique for improving resolution in radio imaging. Extending these synthetic aperture techniques to the visible light domain is not straightforward because optical receivers cannot ...
    • Scaffold/Extracellular Matrix Hybrid Constructs for Bone Tissue Engineering 

      Thibault, Richard A.; Mikos, Antonios G.; Kasper, F. Kurtis (2013-01)
    • Scaffolds to Control Inflammation and Facilitate Dental Pulp Regeneration 

      Colombo, John S.; Moore, Amanda N.; Hartgerink, Jeffrey D.; D'Souza, Rena N. (2014)
      In dentistry, the maintenance of a vital dental pulp is of paramount importance because teeth devitalized by root canal treatment may become more brittle and prone to structural failure over time. Advanced carious lesions ...
    • Scalability and Data Placement on SGI Origin 

      Chauhan, Arun; Ding, Chen; Sheraw, Berry (1998-04-01)
      Cache-coherent non-uniform memory access (ccNUMA) architectures have attracted lots of academic and industry interests as a promising direction to large scale parallel computing. Data placement has been used as a major ...
    • Scalable and Low Power LDPC Decoder Design Using High Level Algorithmic Synthesis 

      Sun, Yang; Cavallaro, Joseph R.; Ly, Tai (2009-09-01)
      This paper presents a scalable and low power low-density parity-check (LDPC) decoder design for the next generation wireless handset SoC. The methodology is based on high level synthesis: PICO (program-in chip-out) tool ...
    • Scalable and Precise Dynamic Datarace Detection for Structured Parallelism 

      Raman, Raghavan; Zhao, Jisheng; Sarkar, Vivek; Vechev, Martin; Yahav , Eran (2012-07-06)
      Existing dynamic race detectors suffer from at least one of the following three limitations: i) space overhead per memory location grows linearly with the number of parallel threads [13], severely limiting the parallelism ...
    • Scalable Architecture of MIMO Multi-carrier CDMA System on Programmable Logic 

      Guo, Yuanbin; Cavallaro, Joseph R. (2007-11-01)
      In this paper, a scalable architecture of the multicarrier CDMA system using Multiple-Input-Multiple-Output (MIMO) technology is designed in the programmable logic array. The system-level partitioning with different ...
    • Scalable FPGA Architectures for LMMSE-based SIMO Chip Equalizer in HSDPA Downlink 

      Guo, Yuanbin; McCain, Dennis; Zhang, Jianzhong (Charlie); Cavallaro, Joseph R. (2003-11-01)
      In this paper, scalable FPGA architectures for the LMMSE-based chip-level equalizer in HSDPA downlink re-ceivers are studied. An FFT-based algorithm is applied to avoid the direct matrix inverse by utilizing the block-Toeplitz ...
    • Scalable Grid Application Scheduling via Decoupled Resource Selection and Scheduling 

      Casanova, Henri; Chien, Andrew A.; Kee, Yang-Suk; Kennedy, Ken; Koelbel, Charles; Mandal, Anirban; Zhang, Yang (2006-01-20)
      Over the past years grid infrastructures have been deployed at larger and larger scales, with envisioned deployments incorporating tens of thousands of resources. Therefore, application scheduling algorithms can become ...
    • Scalable quality of service provisioning 

      Cetinkaya, Coskun (2003)
      Quality of Service (QoS) provisioning is an important challenge for future packet networks. There are many different aspects of Network QoS requirements such as performance, availability, reliability, security, etc. This ...
    • Scalarizing Fortran 90 Array Syntax 

      Kennedy, Ken; Zhao, Yuan (2001-03-30)
      Array syntax is an important feature introduced in Fortran 90. It adds more expressive power to the language by allowing operations and assignments on the array sections. Programmers will benefit from this new feature ...
    • Scaling and Availability for Dynamic Content Web Sites 

      Amza, Cristiana; Cox, Alan; Zwaenepoel, Willy (2002-06-02)
      We investigate the techniques necessary for building highly-available, low-cost, scalable servers, suitable for supporting dynamic content web sites. We focus on replication techniques for scaling and availability of a ...
    • Scaling e-Commerce Sites 

      Amza, Cristiana; Cox, Alan; Zwaenepoel, Willy (2002-02-19)
      We investigate how an e-commerce site can be scaled up from a single machine running a Web server and a database to a cluster of Web server machines and database engine machines. In order to reduce development, maintenance, ...
    • SCAN - Speech Content Based Audio Navigator: A Systems Overview 

      Choi, John; Hindle, Don; Hirschberg, Julia; Magrin-Chagnolleau, Ivan; Nakatani, Christine; Pereira, Fernando; Singhal, Amit; Whittaker, Steve (1998-01-15)
      SCAN (Speech Content based Audio Navigator) is a spoken document retrieval system integrating speaker-independent, large-vocabulary speech recognition with information-retrieval to support query-based retrieval of information ...
    • Scanning probe analysis of polydiacetylene nanowires and poly(3-hexylthiophene) thin films 

      Giridharagopal, Rajiv (2010)
      In molecular and organic electronic systems, the electrode material has considerable influence on the performance of the resulting device. The advent of scanning tunneling microscopy (STM) and its various spectroscopic ...
    • Scattering and dip angle decomposition based on subsurface offset extended wave-equation migration 

      Dafni, Raanan; Symes, William W. (2016)
      An angle-dependent reflection coefficient is recovered by seismic migration in the angle domain. We have developed a postmigration technique for computing scattering and dip angle common-image gathers (CIGs) from seismic ...
    • Scheduling Algorithms Performance Evaluation in Grid Environments 

      Kennedy, Ken; Koelbel, Charles; Zhang, Yang (2006-04-18)
      Effective scheduling is critical for the performance of an application launched onto the Grid environment. Deriving efficient algorithms for this scheduling has always been a challenging research area. Many scheduling ...