نتایج جستجو برای: profile reconstruction

تعداد نتایج: 342569  

2012
F. Felici O. Sauter M. R. De Baar M. Steinbuch

A new paradigm for real-time plasma profile reconstruction is demonstrated in the TCV tokamak. Predictions based on physics models are merged with available real-time diagnostic data to construct a self-consistent profile state estimate compatible with a timedependent model of transport processes in the plasma. This is enabled by a new RApid Plasma Transport simulatOR (RAPTOR), implemented in t...

Journal: :Ultramicroscopy 2009
Pierre Thibault Martin Dierolf Oliver Bunk Andreas Menzel Franz Pfeiffer

Ptychography is a coherent diffractive imaging method that uses multiple diffraction patterns obtained through the scan of a localized illumination on the specimen. Until recently, reconstruction algorithms for ptychographic datasets needed the a priori knowledge of the incident illumination. A new reconstruction procedure that retrieves both the specimen's image and the illumination profile wa...

2007
Tzu-Der Chuang Yi-Hau Chen Chen-Han Tsai Yu-Jen Chen Liang-Gee Chen

HIGH PROFILE Tzu-Der Chuang, Yi-Hau Chen, Chen-Han Tsai, Yu-Jen Chen, and Liang-Gee Chen DSP/IC Design Lab., Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan Email: {peterchuang, ttchen, phenom, yjchen, lgchen}@video.ee.ntu.edu.tw ABSTRACT In this paper, we propose a novel two-stage intra prediction algorithm and hardware architecture that can support H....

Journal: :SIAM Journal of Applied Mathematics 2011
Gang Bao Junshan Lin

This paper is concerned with the inverse electromagnetic scattering from a perfectly conducting local surface displacement on an infinite ground plane. By using multiple frequency data to image the profile of the surface displacement, a stable and accurate reconstruction method is presented and investigated with numerical simulations. An integral equation approach is also introduced for the sol...

Journal: :journal of periodontology and implant dentistry 0
mahdi faraji andre van zyl

this case report describes the clinical application of the coronally advanced flap procedure associated with the subepithelial connective tissue pedicle graft with palatal tunneling for the reconstruction of interproximal papillae. in this modified technique the distal end of the pedicle graft was divided into two parts, creating a bifid, which were then placed around the abutment and sutured o...

2012
Sajan Goud Lingala Edward DiBella

single coil from a stress perfusion exam is considered. Few spatial frames and the image time profile are shown for the temporal TV constrained reconstruction (first row), and the proposed method (second row). The TV reconstruction had temporal blurring especially evident in frames with high motion (see arrows in top row). In contrast, the proposed scheme had crisper images with better temporal...

Journal: :Archives of otolaryngology--head & neck surgery 2004
Jonathan M Doty David Pienkowski Michele Goltz Richard H Haug Joseph Valentino Oneida A Arosarena

OBJECTIVE To compare biomechanical properties of currently available plating systems used to reconstruct segmental mandibular defects. DESIGN Controlled in vitro investigation. SETTING Academic medical center laboratory. INTERVENTIONS Thirty-two polyurethane mandibles were equally divided among 4 groups: mandibles with a 4-cm lateral segmental defect that was bridged with a (1) 3.0-mm loc...

Journal: :Medical physics 1999
H Hu

The multi-slice CT scanner refers to a special CT system equipped with a multiple-row detector array to simultaneously collect data at different slice locations. The multi-slice CT scanner has the capability of rapidly scanning large longitudinal (z) volume with high z-axis resolution. It also presents new challenges and new characteristics. In this paper, we study the scan and reconstruction p...

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