نتایج جستجو برای: working time

تعداد نتایج: 2048214  

Journal: :Cambridge Journal of Economics 2013

2014
Yan Zhang Zhen-min Tang Yan-ping Li Yang Luo

Accurate and effective voice activity detection (VAD) is a fundamental step for robust speech or speaker recognition. In this study, we proposed a hierarchical framework approach for VAD and speech enhancement. The modified Wiener filter (MWF) approach is utilized for noise reduction in the speech enhancement block. For the feature selection and voting block, several discriminating features wer...

Journal: :IJeC 2010
Marc Pallot M. Antonia Martínez-Carreras Wolfgang Prinz

This paper introduces the topic of " Collaborative Distance " within Distributed Collaboration as being an introduction to this Special Issue on Collaborative Working Environments 1 (CWE). It starts in discussing various related concepts, identified during an extensive literature review, on both proximity and distance in distributed collaboration. Then, a Collaborative Distance Framework (CDF) ...

2012
Roland Schmitz Shujun Li Christos Grecos Xinpeng Zhang

We propose a new approach to commutative watermarkingencryption (CWE). A permutation cipher is used to encrypt the multimedia data, which leaves the global statistics of the multimedia data intact. Therefore, any non-localized watermarking scheme that depends only on global statistics of the multimedia data can be combined with the permutation cipher to form a CWE scheme. We demonstrate this ap...

Journal: :European Labour Law Journal 2019

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