نتایج جستجو برای: svc

تعداد نتایج: 2052  

Journal: :J. Visual Communication and Image Representation 2008
Wen-Hsiao Peng John Kar-Kin Zao Hsueh-Ting Huang Tse-Wei Wang Lin-Shung Huang

The emerging Scalable Video Coding (SVC) Extension of H.264/AVC standard enables partial extraction and decoding of video bitstreams, and thus allows viewing devices to adapt their video reception and playback according to devices capability and network performance. This desirable feature, however, comes with a caveat: the parts of a SVC bitstream needed for good quality playback at different d...

2014
Kristyn Spera Kenneth A Kesler Amjadullah Syed Jack H Boyd

Superior vena cava (SVC) reconstruction is occasionally required in the treatment of benign and malignant conditions. We report a patient with symptomatic SVC obstruction secondary to mediastinal fibrosis successfully reconstructed with an aortic allograft.

Journal: :IEEE Journal on Selected Areas in Communications 2023

Video conferencing has become a popular mode of meeting despite consuming considerable communication resources. Conventional video compression causes resolution reduction under limited bandwidth. Semantic (SVC) maintains high by transmitting some keypoints to represent the motions because background is almost static, and speakers do not change often. However, study on influence transmission err...

Journal: :Journal of clinical microbiology 1990
S L Johnston C S Siegel

Four methods of detecting respiratory syncytial virus (RSV) from clinical specimens were evaluated. A total of 410 specimens consisting of nasopharyngeal washes, aspirates, and swabs were simultaneously tested for the presence of RSV by direct immunofluorescence assay (DFA), enzyme immunoassay (EIA) (Kallestad Pathfinder), shell vial centrifugation culture (SVC), and conventional culture. DFA i...

Journal: :Journal of cardiovascular electrophysiology 2003
Hung-Fat Tse Chu-Pak Lau Kathy L F Lee Fred Morady

We describe a case of atrial tachycardia originating from an epicardial site with a venous connection between the left superior pulmonary vein (LSPV) and superior vena cava (SVC). Initial endocardial mapping with multiple electrodes catheters demonstrated early endocardial activation at both the SVC and LSPV. However, radiofrequency applications at the SVC failed to terminate the atrial tachyca...

2012
Saeed jalilzadeh Mohammad Reza Safari Tirtashi Mohsen Sadeghi

this paper focuses on designing of PSS and SVC controller based on chaos and PSO algorithms to improve the stability of power system. Single machine infinite bus (SMIB) system with SVC located at the terminal of generator has been considered to evaluate the proposed controllers where both SVC and PSS have the same controller. The coefficients of PSS and SVC controller have been optimized by cha...

Journal: :JCP 2009
Mehdi Eghbal Naoto Yorino Yoshifumi Zoka

This paper investigates the applicability and effectiveness of modern heuristic techniques for solving SVC placement problem. Specifically, Genetic Algorithm (GA), Particle Swarm Optimization (PSO) and Evolutionary PSO (EPSO) have been developed and successfully applied to find the optimal placement of SVC devices. The main objective of the proposed problem is to find the optimal number and siz...

2005
Keng-Hsuan Wu Jung-Hua Wang

This paper presents a novel approach, called validation-driven algorithm (VDA) for improving support vector clustering (SVC). The SVC algorithm is a well-known kernel-based clustering approach, but its clustering results keenly rely on the proper choice of parameters of kernel functions. Particularly, we have found that performance of SVC is very sensitive to the initial value of the kernel par...

2004
Peter Stucki

Das Bundesprogramm Swiss Virtual Campus (SVC) verfolgt das Ziel, die Informationsgesellschaft zu fördern und die Hochschulbildung von den Möglichkeiten profitieren zu lassen, wie sie durch einen professionellen Einsatz der Informationand Communication-Technologies (ICT) gegeben sind. Im Anschluss an das SVC Impulsprogramm, welches von 2000 bis 2003 dauerte und mit 37 Millionen Franken dotiert w...

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