نتایج جستجو برای: data reconstruction

تعداد نتایج: 2503460  

Journal: :Informatica (Slovenia) 1999
Alessandro Bevilacqua

The e cient usage of workstations clusters depends rst of all on the distribution of the workload The following paper introduces a method to obtain e cient load balancing for data parallel applications through dynamic data assignment and a simple priority mechanism on a heterogeneous cluster of workstations assuming no prior knowledge about the workload This model improves the performance of lo...

2005
R. Herrmann T. Hamasaki M. Sato

Airborne synthetic aperture radar (SAR) systems are being employed for remote sensing. In some cases the target area is scanned in a square path flight. In order to test data processing algorithms for such datasets, a laboratory experiment has been carried out. Such data acquisition was simulated in a controlled ground based environment with 3 distinct targets. In this paper, two approaches of ...

ژورنال: طب جنوب 2022
Ay , Mohammad Reza, Ghafarian , Pardis, Gharepapagh , Esmaeil, Rezaei , Sahar, Sarkar , Saeid,

Background: The present study aims to assess the impact of various image reconstruction methods in 18F-FDG PET/CT imaging on the quantification performance of the proposed technique for joint compensation of respiratory motion and partial volume effects (PVEs) in patients with non-small cell lung cancer. Materials and Methods: An image-based deconvolution technique was proposed, incorporating w...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2010
Daniel J Cross Ryan Michaluk Robert Gilmore

An algorithm inspired by Genome sequencing is proposed which "reconstructs" a single long trajectory of a dynamical system from many short trajectories. This procedure is useful in situations when many data sets are available but each is insufficiently long to apply a meaningful analysis directly. The algorithm is applied to the Rössler and Lorenz dynamical systems as well as to experimental da...

2005
R. O.C. Tse

Within the GIS world, LIDAR becomes an important and convenient data source. Many researchers are developing algorithms to extract a bare-earth model and building boundaries from LIDAR data. This paper presents two different methods for building reconstruction using LIDAR data. The first is a traditional method using filtered LIDAR data and combining cadastral building boundaries data (for exam...

Journal: :archives of breast cancer 0
alfred fitoussi centre du sein, paris france helene charitansky department of surgery, centre claudius regaud, toulouse, france fabien petitperrin curie institute, paris, france benoit couturaud curie institute, paris, france

background: the technique most frequently employed for breast reconstruction, either immediate (ibr) or delayed (dbr), is the insertion of a prosthesis. the placement of a foreign body always carries the risk, albeit small, of peri-prosthetic infection and exposure of the implant that necessitates its removal, signaling the temporary or permanent failure of the reconstruction. methods: we retro...

Journal: :the archives of bone and joint surgery 0
jorge chahla steadman philippon research institute, the steadman clinic, colorado, usa gilbert moatshe steadman philippon research institute, the steadman clinic, colorado, usa ------ orthopedic department, oslo university hospital, oslo, norway chase dean steadman philippon research institute, the steadman clinic, colorado, usa robert laprade steadman philippon research institute, the steadman clinic, colorado, usa

injuries to the posterolateral corner (plc) comprise a significant portion of knee ligament injuries. a high index of suspicion is necessary when evaluating the injured knee to detect these sometimes occult injuries. moreover, a thorough physical examination and a comprehensive review of radiographic studies are necessary to identify these injuries. in this sense, stress radiographs can help to...

2006
Daniel G. Aliaga Ji Zhang Mireille Boutin Jamie Gennis

3D reconstructions from photographs often exhibit poor robustness and global consistency. This is a problem in applications such as model acquisition and registration where global consistency is needed to ensure that the reconstruction looks acceptable from all views. Our goal is to develop a robust reconstruction approach which leads to better consistency between viewpoints. We do this by solv...

2011
Jort Florent Gemmeke Ulpu Remes

Automatic speech recognition (ASR) performance degrades rapidly when speech is corrupted with increasing levels of noise. Missing data techniques (MDT) constitute a family of methods that tackle noise robust speech recognition based on the so called missing data assumption proposed in [1]. MDTs assume that (i) the noisy speech signal can be divided in speech-dominated (reliable) and noise-domin...

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