NDLTD logo NDLTD Union Catalog and Global ETD Search

Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 20 of 32 for “"matching pursuit"”.

  1. Fractal-Based Image and Video Coding Using Matching Pursuit

    Gharavi-Alkhansari, MohammadUniversity of Illinois at Urbana-Champaign2015

    This dissertation will also present a comparative study on the resolution enhancement of images using the inter-scale prediction inherent in the fractal transforms. (Abstract shortened by UMI.).

    uiuc Repository record

  2. Accelerated deconvolution of radio interferometric images using orthogonal matching pursuit and graphics hardware

    Van Belle, JonathanDepartment of Computer Science2016

    … an accelerated implementation of the orthogonal matching pursuit (OMP) algorithm (a compressed sensing method) that makes use of graphics processing unit (GPU) hardware, and show significant accuracy improvements over the standard CLEAN. In particular, we show that OMP correctly identifies more …

    cape-town Repository record

  3. Super Greedy Type Algorithms and Applications In Compressed Sensing

    Liu, Entao

    … Sensing (CS) which are Orthogonal Multi Matching Pursuit (OMMP) and Orthogonal Multi Matching Pursuit with Thresholding Pruning (OMMPTP). The performances of there two algorithms are analyzed under Restricted Isometry Property (RIP) conditions.</p>

    south-carolina Repository record

  4. Parallelisation of greedy algorithms for compressive sensing reconstruction

    Turner, David WilliamUniversity of Cambridge2019

    … reconstruction techniques, known as greedy pursuits, reconstruction of large problems can pose a significant burden, consuming a great deal of memory as well as compute time. Parallel computing is the foundation of the field of High Performance Computing (HPC). Modern supercomputers are …

    cambridge Repository record

  5. Advances in sparse signal recovery methods

    Berinde, RaduMassachusetts Institute of Technology2009

    … two iterative recovery algorithms, Sparse Matching Pursuit and Sequential Sparse Matching Pursuit, that can be used with the same matrices. Thanks to the sparsity of the matrices, the resulting algorithms are much more efficient than the ones previously known, while maintaining high quality …

    mit Repository record

  6. Efficient coding of natural sounds

    Strahl, StefanUniversität Oldenburg

    … verschiebungsinvariantes spärliches Signalmodel (Matching Pursuit). Es konnte gezeigt werden, dass die Anzahl M>100 Gammatonfiltern (2.4 Filter pro ERB) eine fast perfekte Rekonstruktion des Signalraumes der natürlichen Töne ermöglicht. Weiterhin wird gezeigt, wie mittels Signifikanzbäumen eine …

    oldenburg Repository record

  7. Wide band TX Leakage Cancellation for FDD Transceivers

    Su, HanNational University of Ireland Maynooth2017

    … (MADF-DC) and the modified compressed sampling matching pursuit (MCoSaMP) are proposed in this thesis. The two algorithms are developed from the classic adaptive delay filter (C-ADF) and the classic compressed sampling matching pursuit (C-CoSaMP), respectively. These modelling techniques can …

    maynooth Repository record

  8. Image restoration from noisy and limited measurements with applications in 3D imaging

    Bui, Huy QuangUniversity of Illinois at Urbana-Champaign2015

    … are considered. First, the Tree-based Orthogonal Matching Pursuit (TOMP) algorithm is proposed to recover sparse signals with tree structure. This is an improvement over the Orthogonal Matching Pursuit method with the incorporation of the sparse-tree prior on the data. A theoretical condition on …

    uiuc Repository record

  9. Characterizing Audio Events for Video Soundtrack Analysis

    Cotton, Courtenay2013

    … Initially we explore the idea of using the matching pursuit algorithm to decompose and isolate components of audio events. Using these components we develop an approach for non-exact (approximate) fingerprinting as a way to search audio data for similar recurring events. We demonstrate a …

    columbia-diss Repository record

  10. Acoustic source localization

    Zhao, NiluMassachusetts Institute of Technology2016

    … -- Disciplined Convex Programming, Orthogonal Matching Pursuit, and Compressive Sensing -- are explored, and their robustness to noise, and sparsity are examined in simulation. Results show that Two-Step Iterative Shrinkage Threshold (TwIST) is the most robust to noisy and non-sparse signals. …

    mit Repository record

  11. Efficient and guaranteed algorithms for sparse inverse problems

    Lee, KiryungUniversity of Illinois at Urbana-Champaign2012

    … modified versions of existing greedy pursuit algorithms, which we call oblique pursuits. Oblique pursuits are guaranteed using the RBOP without requiring ideal assumptions; hence, the guarantees apply to practical acquisition schemes. Numerical results show that oblique pursuits also …

    uiuc Repository record

  12. Radar detection and identification of human signatures using moving platforms

    Gürbüz, Sevgi ZübeydeGeorgia Institute of Technology2009

    … in a dictionary, and then applies Orthogonal Matching Pursuit (OMP) to determine the optimal linear combination of dictionary entries that comprises the measured radar data. Thus, unlike the ONLP, the EnONLP algorithm also has the capability of detecting the presence of multiple human targets. …

    gatech Repository record

  13. Innovative methods for the reconstruction of new generation satellite remote sensing images

    Luca, LorenziUniversità degli studi di Trento2012

    … adopting three different strategies (orthogonal matching pursuit, basis pursuit and a genetic algorithm solution) for the reconstruction of cloud-contaminated images; iv) a complete processing chain which exploits a support vector machine (SVM) classification and morphological filters for the …

    trento Repository record

  14. In pursuit of high resolution radar using pursuit algorithms

    Rahman Maud, Abdur

    … attributed to the close relation between greedy matching pursuit algorithms and the matched filter. This suggests that improvements to the resolution capability of the greedy pursuit algorithms can be made by using a mismatched signal dictionary. In some cases, unlike the mismatched filter, the …

    purdue-thes Repository record

  15. Data-Centric Situational Awareness and Management in Intelligent Power Systems

    Dai, Xiaoxiao2018

    … devices selection algorithm (OSMDSA) and matching pursuit decomposition (MPD) based spatial-temporal synchrophasor data characterization method was developed to reduce data volume while preserving comprehensive information for the big data analyses. And the weighted Granger causality (WGC) …

    denver Repository record

  16. Objective Evaluation of Tracheoesophageal Speech Quality

    McDonald, Rob2008

    … quality. Discrete wavelet, wavelet packet and matching pursuit analysis were performed. Results from two experimental tracheoesophageal speech databases revealed a modest correlation of 0.69 between the parameters extracted from the time-frequency analysis and the subjective ratings. The …

    uwo Repository record

  17. Seismic data decomposition using sparse dictionary

    Liu, RongchangUniversity of Alabama Libraries2019

    … Wavelet Transform (CWT), S-transform (ST), and Matching Pursuit (MP), among which MP is the most tolerant of window/scalar effect. However, the traditional wavelet library is a set of user defined wavelet which does not consider the seismic event interfering of thin layer. As a result, it is …

    alabama Repository record

  18. AI Approaches for Feature Extraction in Multimodal Biomedical Data

    Lloyd, David Anderson 1996-University of Houston2024

    … Atom Analysis (LSAA), a hybrid approach using Matching Pursuit (MP) and DeepSets (DS) to learn patient-specific representations of atherosclerosis in the coronary arteries from human heart sound data. AxoDetect excels at segmenting nerves without requiring labeled datasets, segmenting between …

    houston Repository record

  19. Target Tracking Via Marine Radar

    Nagarajan, NishathaUniversity of Toledo2012

    … types of systems. A block version of Compressive Matching Pursuit (CoSaMP) algorithm used in signal reconstruction called BCoSaMP was employed in tracking. It was seen to give a similar or better performance than particle filter with less computation time. The BCoSaMP algorithm with Kalman filter …

    ohiolink Repository record

  20. Seismic discontinuities and order estimation using wavelets : a receiver function approach

    Cox, Hugh Franklin, 1974-Massachusetts Institute of Technology2002

    … to a fractional order spline using a greedy matching pursuit algorithm. The data for this study consists of 2 Australian stations, CAN (Geoscope) and WRAB (IRIS), and 5 Japanese stations (JIZ, SGN, TKA, TMR, and TYM) from the F-Net array (formerly Freesia). CAN and WRAB are located in a …

    mit Repository record

Page 1 of 2