Now showing items 22018-22077 of 45708

  • A Multiscale Data Representation for Distributed Sensor Networks 

    Wagner, Raymond; Sarvotham, Shriram; Baraniuk, Richard G. (2005-03-01)
    Though several wavelet-based compression solutions for wireless sensor network measurements have been proposed, no such technique has yet appreciated the need to couple a wavelet transform tolerant of irregularly sampled ...
  • A Multiscale Data Representation for Distributed Sensor Networks: Proofs of Basis Characteristics and Error Bounds 

    Sarvotham, Shriram; Wagner, Raymond; Baraniuk, Richard G. (2004-09-01)
    Provides proofs of Parseval tight-frame membership and approximation properties for the basis proposed in "A Multiscale Data Representation for Distributed Sensor Networks" by R. Wagner, S. Sarvotham, and R. Baraniuk (ICASSP ...
  • Multiscale Density Estimation 

    Willett, Rebecca; Nowak, Robert David (2003-08-20)
    The nonparametric density estimation method proposed in this paper is computationally fast, capable of detecting density discontinuities and singularities at a very high resolution, spatially adaptive, and offers near ...
  • Multiscale Edge Grammars for Complex Wavelet Transforms 

    Romberg, Justin; Choi, Hyeokho; Baraniuk, Richard G. (2001-10-01)
    Wavelet domain algorithms have risen to the forefront of image processing. The power of these algorithms is derived from the fact that the wavelet transform restructures the image in a way that makes statistical modeling ...
  • Multiscale Geometric Image Processing 

    Romberg, Justin; Wakin, Michael; Baraniuk, Richard G. (2003-07-01)
    Since their introduction a little more than 10 years ago, wavelets have revolutionized image processing. Wavelet based algorithms define the state-of-the-art for applications including image coding (JPEG2000), restoration, ...
  • Multiscale geometric image processing 

    Romberg, Justin K. (2004)
    Since their introduction a little more than 10 years ago, wavelets have revolutionized image processing. Wavelet based algorithms define the state-of-the-art for applications including image coding (JPEG-2000), restoration, ...
  • Multiscale Image Processing Using Normal Triangulated Meshes 

    Jansen, Maarten; Choi, Hyeokho; Lavu, Sridhar; Baraniuk, Richard G. (2001-10-01)
    Multiresolution triangulation meshes are widely used in computer graphics for 3-d modelling of shapes. We propose an image representation and processing framework using a multiscale triangulation of the grayscale function. ...
  • Multiscale Image Segmentation Using Joint Texture and Shape Analysis 

    Neelamani, Ramesh; Romberg, Justin; Riedi, Rudolf H.; Choi, Hyeokho; Baraniuk, Richard G. (2000-07-01)
    We develop a general framework to simultaneously exploit texture and shape characterization in multiscale image segmentation. By posing multiscale segmentation as a model selection problem, we invoke the powerful framework ...
  • Multiscale Image Segmentation using Wavelet-domain Hidden Markov Models 

    Choi, Hyeokho; Baraniuk, Richard G. (2001-09-01)
    We introduce a new image texture segmentation algorithm, HMTseg, based on wavelets and the hidden Markov tree (HMT) model. The HMT is a tree-structured probabilistic graph that captures the statistical properties of the ...
  • Multiscale Likelihood Analysis and Complexity Penalized Estimation 

    Kolaczyk, Eric D.; Nowak, Robert David (2001-08-20)
    We describe here a framework for a certain class of multiscale likelihood factorization wherein, in analogy to a wavlet decomposition of an L² function, a given likelihood function has an alternative representation as a ...
  • Multiscale Likelihood Analysis and Image Reconstruction 

    Willett, Rebecca; Nowak, Robert David (2003-08-20)
    The nonparametric multiscale polynomial and platelet methods presented here are powerful new tools for signal and image denoising and reconstruction. Unlike traditional wavelet-based multiscale methods, these methods are ...
  • Multiscale Manifold Representation and Modeling 

    Choi, Hyeokho; Baraniuk, Richard G. (2005-03-01)
    Many real world data sets can be viewed as points in a higher-dimensional space that lie concentrated around a lower-dimensional manifold structure. We propose a new multiscale representation for such point clouds based ...
  • Multiscale modeling and estimation of Poisson processes with application to photon-limited imaging 

    Timmerman, Klaus; Nowak, Robert David (1999-04-20)
    Many important problems in engineering and science are well-modeled by Poisson processes. In many applications it is of great interest to accurately estimate the intensities underlying observed Poisson data. In particular, ...
  • Multiscale Nature of Network Traffic 

    Abry, Patrice; Baraniuk, Richard G.; Flandrin, Patrick; Riedi, Rudolf H.; Veitch, Darryl (2002-05-01)
    The complexity and richness of telecommunications traffic is such that one may despair to find any regularity or explanatory principles. Nonetheless, the discovery of scaling behavior in tele-traffic has provided hope that ...
  • Multiscale Queuing Analysis 

    Ribeiro, Vinay Joseph; Riedi, Rudolf H.; Baraniuk, Richard G. (2006-10-01)
    This paper introduces a new multiscale framework for estimating the tail probability of a queue fed by an arbitrary traffic process. Using traffic statistics at a small number of time scales, our analysis extends the ...
  • Multiscale Queuing Analysis 

    Ribeiro, Vinay Joseph; Riedi, Rudolf H.; Baraniuk, Richard G. (2004-09-01)
    We develop a new approach to queuing analysis for an infinite-length queue with constant service rate fed by an arbitrary traffic process. Our approach is particularly relevant to queues fed with long-range-dependent (LRD) ...
  • Multiscale Queuing Analysis of Long-Range-Dependent Network Traffic 

    Ribeiro, Vinay Joseph; Riedi, Rudolf H.; Crouse, Matthew; Baraniuk, Richard G. (2001-02-20)
    This paper develops a novel approach to queuing analysis tailor-made for multiscale long-range-dependent (LRD) traffic models. We review two such traffic models, the wavelet-domain independent Gaussian model (WIG) and the ...
  • Multiscale Queuing Analysis of Long-Range-Dependent Network Traffic 

    Ribeiro, Vinay Joseph; Riedi, Rudolf H.; Crouse, Matthew; Baraniuk, Richard G. (2000-03-01)
    Many studies have indicated the importance of capturing scaling properties when modeling traffic loads; however, the influence of long-range dependence (LRD) and marginal statistics still remains on unsure footing. In this ...
  • Multiscale queuing analysis, sampling theory, and network probing 

    Ribeiro, Vinay (2005)
    Multiscale techniques model and analyze phenomena at multiple scales in space or time. This thesis develops novel multiscale solutions for problems in queuing theory, sampling theory, and network inference. First, we study ...
  • Multiscale random projections for compressive classification 

    Duarte, Marco F.; Davenport, Mark A.; Wakin, Michael B.; Laska, Jason N.; Takhar, Dharmpal; Kelly, Kevin F.; Baraniuk, Richard G. (2007-09-01)
    We propose a framework for exploiting dimension-reducing random projections in detection and classification problems. Our approach is based on the generalized likelihood ratio test; in the case of image classification, ...
  • Multiscale SAR Image Segmentation using Wavelet-domain Hidden Markov Tree Models 

    Venkatachalam, Vidya; Choi, Hyeokho; Baraniuk, Richard G. (2000-04-01)
    We study the segmentation of SAR imagery using wavelet-domain Hidden Markov Tree (HMT) models. The HMT model is a tree-structured probabilistic graph that captures the statistical properties of the wavelet transforms of ...
  • Multiscale Strategies for Cartilage Repair 

    Eleswarapu, Sriram Venkata (2012)
    This thesis uses a multiscale approach to identify and manipulate physiologic and in vitro developmental milieus towards the functional repair of articular cartilage. The overarching goals of this work are to improve ...
  • The Multiscale Structure of Non-Differentiable Image Manifolds 

    Wakin, Michael; Donoho, David; Choi, Hyeokho; Baraniuk, Richard G. (2005-08-01)
    In this paper, we study families of images generated by varying a parameter that controls the appearance of the object/scene in each image. Each image is viewed as a point in high-dimensional space; the family of images ...
  • Multiscale Texture Segmentation of Dip-cube Slices using Wavelet-domain Hidden Markov Trees 

    Magrin-Chagnolleau, Ivan; Choi, Hyeokho; van Spaendonck, Rutger; Steeghs, Philippe; Baraniuk, Richard G. (1999-11-01)
    Wavelet-domain Hidden Markov Models (HMMs) are powerful tools for modeling the statistical properties of wavelet coefficients. By characterizing the joint statistics of wavelet coefficients, HMMs efficiently capture the ...
  • Multiscale Texture Segmentation using Wavelet-domain Hidden Markov Models 

    Choi, Hyeokho; Baraniuk, Richard G. (1998-11-01)
    Wavelet-domain hidden Markov tree (HMT) models are powerful tools for modeling the statistical properties of wavelet transforms. By characterizing the joint statistics of the wavelet coefficients, HMTs efficiently capture ...
  • Multiscale Wedgelet Image Analysis: Fast Decompositions and Modeling 

    Romberg, Justin; Wakin, Michael; Baraniuk, Richard G. (2002-06-01)
    The most perceptually important features in images are geometrical, the most prevalent being the smooth contours ("edges") that separate different homogeneous regions and delineate distinct objects. Although wavelet based ...
  • Multispectral optical imaging for the detection and delineation of oral neoplasia 

    Roblyer, Darren Michael (2009)
    Despite the accessibility of the oral cavity to inspection, patients with oral cancer most often present at a late stage, leading to high morbidity and mortality. Multispectral widefield optical imaging has emerged as a ...
  • Multitier Wireless Communications 

    Aazhang, Behnaam; Cavallaro, Joseph R. (2001-06-20)
    Next-generation computing systems will be highly integrated using wireless networking. The Rice Everywhere NEtwork (RENE) project is exploring the integration of WCDMA cellular systems, high speed wireless LANs, and home ...
  • Multitier Wireless Systems 

    Aazhang, Behnaam; Cavallaro, Joseph R. (2000-05-01)
    Next-generation computing systems will be highly integrated using wireless networking. The Rice Everywhere NEtwork (RENE) project is exploring the integration of WCDMA cellular systems, high speed wireless LANs, and home ...
  • Multiuser Channel Estimation and Tracking for Long Code CDMA Systems 

    Bhashyam, Srikrishna; Aazhang, Behnaam (2002-01-15)
    Channel estimation techniques for code-division multiple access (CDMA) systems need to combat multiple access interference (MAI) effectively. Most existing estimation techniques are designed for CDMA systems with short ...
  • Multiuser Channel Estimation for Long Code CDMA Systems 

    Bhashyam, Srikrishna; Aazhang, Behnaam (2000-09-20)
    Channel estimation techniques for code-division multiple access (CDMA) systems need to combat multiple access interference (MAI) effectively. Most existing estimation techniques are designed for CDMA systems with short ...
  • Multiuser detection in code-division multiple-access communications 

    Varanasi, Mahesh Kumar (1989)
    Multiuser detection strategies are derived and analyzed for several signal detection problems arising in Code-Division Multiple-Access channels. Modulation schemes which lend themselves to coherent and noncoherent demodulation ...
  • Multiuser detection in fast-fading multipath environments 

    Sayeed, Akbar M.; Sendonaris, Andrew; Aazhang, Behnaam (1998-12-20)
    We propose a new framework for multiuser detection in fast-fading channels that are encountered in many mobile communication scenarios. Existing multiuser RAKE receivers, developed to combat multipath fading and multiuser ...
  • Multiuser detection in fast-fading multipath environments 

    Sayeed, Akbar M.; Aazhang, Behnaam (2001-10-20)
    We propose a new framework for multiuser detection in fast-fading channels that are encountered in many mobile communication scenarios. Existing multiuser RAKE receivers, developed to combat multipath fading and multiuser ...
  • Multiuser detectors for fast-fading multipath channels 

    Sayeed, Akbar M.; Sendonaris, Andrew; Aazhang, Behnaam (1997-10-20)
    We propose a new framework for multiuser detection in fast fading channels that are encountered in many mobile communication scenarios. The detectors proposed in this paper employ a novel multiuser receiver structure based ...
  • Multiuser Information Processing in Wireless Communication 

    Das, Suman (2000-09-20)
    Wireless channel is not very conducive towards error-free raw data transmission. On the other hand the tremendous growth in wireless services has made the channel bandwidth a scarce resource and effective utilization of ...
  • Multiuser information processing in wireless communication 

    Das, Suman (2000)
    The available wireless bandwidth cannot keep pace with the amazing growth rate of wireless subscribers. Moreover, the higher data rate and superior quality of service demand of the increasingly popular multimedia services ...
  • A multiuser receiver for code division multiple access communications over multipath channels 

    Fawer, Urs; Aazhang, Behnaam (1995-02-20)
    A multiuser communication system is considered where K users share a channel with multipath propagation by using code division for multiple access. Data modulation is carried out by binary phase shift keying and direct ...
  • Multiuser receivers for code-division multiple-access systems with trellis-based modulation 

    Fawer, Urs; Aazhang, Behnaam (1996-10-20)
    A code-division multiple-access (CDMA) communication system is studied where a trellis-based scheme is used for data encoding and modulation. The signature sequences (spreading codes), which are assigned to the direct-sequence ...
  • Multivariate nonparametric estimation on censored panel data 

    Huh, Keun (1989)
    Heckman and Singer (1984) argued that in typical longitudinal analyses, standard treatments of heterogeneity components result in incorrect parameterization of the duration model. As a consequence, estimation bias is not ...
  • MUMMIES OF BROTHER AND SISTER--EGYPT 

    Field Museum of Natural History (1929)
    Side-by-side photo of two sarcophagi
  • A Mummy 

    Sanderson (1906)
    A desiccated corpse wrapped in decayed cloth.
  • The Mummy Government 

    Unknown (1885)
    Seven stylized caricatures of government officials as sarcophagi. Line drawing.
  • Mummy of a Cat 

    Strassberger, B. (1878)
    A mummy of a cat.
  • Mummy of Seti I--Cairo Museum. 

    Vegnios & Zachos (1900)
    Slightly decomposed head of a man
  • Mummy Returns, Mummy Returns 

    Unknown author (2001)
  • Mun'ckal'ah. 

    Lane, E. W. (Edward William), 1801-1876 (1836)
    A game board in which are twelve hemispherical hols in two equal rows. Engraving (prints).
  • Munc18b is an essential gene in mice whose expression is limiting for secretion by airway epithelial and mast cells 

    Kim, Kyubo; Petrova, Youlia M.; Scott, Brenton L.; Nigam, Rupesh; Agrawal, Anurag; Evans, Christopher M.; Azzegagh, Zoulikha; Gomez, Alejandra; Rodarte, Elsa M.; Olkkonen, Vesa M.; Bagirzadeh, Rustam; Piccotti, Lucia; Ren, Binhui; Yoon, Joo-Heon; McNew, James A.; Adachi, Roberto; Tuvim, Michael J.; Dickey, Burton F. (2012)
    Airway mucin secretion and MC (mast cell) degranulation must be tightly controlled for homoeostasis of the lungs and immune system respectively. We found the exocytic protein Munc18b to be highly expressed in mouse ...
  • Munchmore, Elson Unofficial Victors In Card Tourney 

    Unknown author (1963-02-20)
  • Municipal Auditorium 

    Unknown author (1912-01-01)
  • 'Mural Cagers Near Playoffs 

    Smith, Louis (1960-12-16)
  • 'Mural Deadlines 

    Unknown author (1963-09-25)
  • 'Mural Deadlines 

    Unknown author (1963-10-02)
  • 'Mural Entries 

    Unknown author (1963-02-27)
  • 'Mural Play Begins After Exam Layoff 

    Hanson, Jerry (1963-01-29)
  • 'Mural Playoff to Liven Rondelet Festivities 

    Smith, Louis (1961-04-28)
  • 'Mural Swimming Meet is April 12 

    Smith, Louis (1961-04-07)
  • Mural thrombus and platelet aggregate formation in human blood perfused over collagen or biomaterial surfaces 

    Owens, Charlene Kline (1991)
    Epi-fluorescent video microscopy was used to evaluate the effect of ethanol and two nipecotoylpiperazine based antiplatelet agents (BPAT-117 and BPAT-143) on platelet mural thrombus formation. In addition, a series of novel ...