By Topic

Computing in Science & Engineering

Issue 6 • Date Nov.-Dec. 2003

Filter Results

Displaying Results 1 - 16 of 16
  • Computational aspects of diffuse optical tomography

    Publication Year: 2003 , Page(s): 33 - 41
    Cited by:  Papers (13)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1983 KB) |  | HTML iconHTML  

    Diffuse optical tomography (DOT) is a novel functional imaging modality for visualizing and continuously monitoring tissue and blood oxygenation levels, which is useful for brain imaging and tumor detection. Because of the nonlinearity of infrared light propagation in tissue, developing fast and robust reconstruction methods is the main challenge in making DOT a viable tool for clinical diagnostic... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Numerical problem solving for undergraduate core courses

    Publication Year: 2003 , Page(s): 92 - 97
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (500 KB) |  | HTML iconHTML  

    Today, students often have computers in their dormitory rooms and backpacks that have the power of a typical 1970s university mainframe. It would be helpful if we could use computing power for explicit problem-solving and to develop students' intuition. In this article, the author explains a method that uses the Java programming language's built-in class structure to do this. The author also suppl... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Modeling the sol-gel transition

    Publication Year: 2003 , Page(s): 78 - 87
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (602 KB) |  | HTML iconHTML  

    Of particular interest is the sol-gel transition, in which a viscous fluid (the sol) transforms into an elastic disordered solid (the gel) by creating in the liquid phase a macroscopic structure capable of bearing stresses. This article first presents the theoretical approaches to the gelation transition, reviews scaling predictions and numerical models that people use to simulate this transition,... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Computing and telescopes at the frontiers of optical astronomy

    Publication Year: 2003 , Page(s): 42 - 51
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1038 KB) |  | HTML iconHTML  

    Advances in computing power are improving astronomical imaging by enabling adaptive-optics technology to mitigate atmospheric and other physical variables. Present-day 3.5- to 10-meter telescopes fitted with adaptive optics see farther and with higher resolution than the Hubble Space Telescope. The continuous evolution of ground-based telescope capabilities could make them suitable for application... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Text mining with information-theoretic clustering

    Publication Year: 2003 , Page(s): 52 - 59
    Cited by:  Papers (7)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (905 KB) |  | HTML iconHTML  

    Motivated by the success of hybrid information-retrieval algorithms, the authors report on the development of their hybrid clustering scheme. Scheme experiments on data in a reduced vector space model indicate a higher performance level over several existing clustering algorithms. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Computational methods in ultrafast time-domain optics

    Publication Year: 2003 , Page(s): 22 - 32
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (402 KB) |  | HTML iconHTML  

    Three computational methods exist for time-domain optics: time domain, frequency domain, and hybrid time-frequency domain. Because of temporal dispersion in optical materials, problems unique to ultrafast optics require well-defined and highly accurate approximation methods. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Sizing up smart dust

    Publication Year: 2003 , Page(s): 6 - 9
    Cited by:  Papers (5)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (539 KB)  

    The name started out as something of a joke. "Everyone was talking about smart houses, smart buildings, smart bombs, and I thought that it was funny to talk about smart dust," remembers Kris Pister. Though he might have named his invention partly in jest, "smart dust" is now part of the technical lexicon. The tiny, wireless sensors that started out in his University of California Berkeley, office ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • The direction-of-arrival problem: coming at you

    Publication Year: 2003 , Page(s): 60 - 63
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (290 KB) |  | HTML iconHTML  

    If you break your leg on a mountain but have a cellular telephone or other transmitter with you, you would hope a rescuer could determine the direction in which to travel to reach you. Similarly, if a navy detects a transmission from a submarine, it would want to determine the signal's direction of arrival (DOA) to locate that submarine. The problem is complicated if more than one signal appears -... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Issue tracking

    Publication Year: 2003 , Page(s): 71 - 77
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1430 KB) |  | HTML iconHTML  

    All programming projects have one thing in common: there is always more to do. Some things that need doing are bug fixes; others are enhancements such as cleaning up and refactorlng existing code, adding tests, and writing documentation. but before your office wall becomes a collage of sticky-note reminders, you might want to try an issue tracker instead. In this article, we describe two open-sour... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Simulating near-field effects in high-density optical-disk data storage

    Publication Year: 2003 , Page(s): 15 - 21
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1145 KB) |  | HTML iconHTML  

    Plane-wave expansion methods for classical diffraction theory equations, coupled with the direct numerical solution of Maxwell's equations using local grid refinement and the finite-difference time-domain method, help us reliably simulate an optical system's macroscopic and subwavelength components. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Ask the hard questions

    Publication Year: 2003 , Page(s): 3 - 4
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (191 KB) |  | HTML iconHTML  

    First Page of the Article
    View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Letter to the Editor

    Publication Year: 2003 , Page(s): 4 - 5
    Save to Project icon | Request Permissions | PDF file iconPDF (296 KB) |  | HTML iconHTML  
    Freely Available from IEEE
  • National Instruments records a hit with Elvis

    Publication Year: 2003 , Page(s): 10 - 12
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (412 KB) |  | HTML iconHTML  

    First Page of the Article
    View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Guest editor's introduction - Computing in optics

    Publication Year: 2003 , Page(s): 13 - 14
    Save to Project icon | Request Permissions | PDF file iconPDF (655 KB) |  | HTML iconHTML  
    Freely Available from IEEE
  • Partial solution to the last issue's assignment, "classified information: the data clustering problem"

    Publication Year: 2003 , Page(s): 64 - 70
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (675 KB) |  | HTML iconHTML  

    First Page of the Article
    View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • 2003 Annual Index

    Publication Year: 2003 , Page(s): 88 - 90
    Save to Project icon | Request Permissions | PDF file iconPDF (467 KB)  
    Freely Available from IEEE

Aims & Scope

CS&E magazine emphasizes articles that help define the field as the interface among the applications (in science and engineering), algorithms (numerical and symbolic), system software, and computer architecture.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
George K. Thiruvathukal
Loyola University