Measurement of vocal-tract influence during saxophone performance.
- G. Scavone, Antoine Lefebvre, Andrey R. da Silva
- PhysicsJournal of the Acoustical Society of America
- 7 April 2008
Vocal-tract influence is clearly demonstrated when pitch bending notes high in the traditional range of the alto saxophone and when playing in the saxophone's extended register.
Characterization of woodwind instrument toneholes with the finite element method.
- Antoine Lefebvre, G. Scavone
- PhysicsJournal of the Acoustical Society of America
- 12 April 2012
A method is proposed to determine the transfer matrix parameters of a discontinuity in a waveguide with the finite element method (FEM). This is used to characterize open and closed woodwind…
Monitoring Urban Areas with Sentinel-2A Data: Application to the Update of the Copernicus High Resolution Layer Imperviousness Degree
- Antoine Lefebvre, C. Sannier, T. Corpetti
- Environmental ScienceRemote Sensing
- 19 July 2016
This work proposes to exploit the benefit of Sentinel-2 images to monitor urban areas and to update Copernicus Land services, in particular the High Resolution Layer imperviousness, using independent image classification and data fusion that are fused using the Dempster–Shafer theory.
Object-Oriented Approach and Texture Analysis for Change Detection in Very High Resolution Images
- Antoine Lefebvre, T. Corpetti, L. Hubert‐Moy
- Environmental ScienceIEEE International Geoscience and Remote Sensing…
- 7 July 2008
It turned out that the geometric changes, most of abrupt content changes and some of subtle changes have been accurately detected and the approach is suitable on airborne data with a Very High Resolution data and can be generalized to spaceborne images.
Monitoring the Morphological Transformation of Beijing Old City Using Remote Sensing Texture Analysis
- Antoine Lefebvre, T. Corpetti
- Environmental ScienceIEEE Journal of Selected Topics in Applied Earth…
- 1 February 2017
This paper is concerned with the morphological analysis of Beijing old city's dynamics from 1966 to 2015, and dedicated urban descriptors at various scales are evaluated and selected to highlight informations related to different urban patterns.
External Tonehole Interactions in Woodwind Instruments
- Antoine Lefebvre, G. Scavone, J. Kergomard
- PhysicsarXiv.org
- 23 July 2012
The Transfer-Matrix Method with external Interaction (TMMI) is described and it is found that the external tonehole interactions increase the amount of radiated energy, reduce slightly the lower resonance frequencies, and modify significantly the response near and above the tonehole lattice cutoff frequency.
Finite Element Modeling of Woodwind Instruments
- Antoine Lefebvre, G. Scavone
- Physics
- 2010
The input impedance of simple woodwind-like instruments is evaluated using the Finite Element Method (FEM) and compared to theoretical calculations based on the transmission-matrix method (TMM).…
Estimation of the orientation of textured patterns via wavelet analysis
- Antoine Lefebvre, T. Corpetti, L. Hubert‐Moy
- Computer SciencePattern Recognition Letters
- 2011
Sound reflection at the open end of axisymmetric ducts issuing a subsonic mean flow: A numerical study
- A. D. Silva, G. Scavone, Antoine Lefebvre
- Physics
- 13 November 2009
Using data fusion to update built-up areas of the 2012 European High-Resolution Layer Imperviousness
- Antoine Lefebvre, Nicolas Beaugendre, A. Pennec, C. Sannier, Thomas, Corpetti
- Environmental Science
- 2014
One of the Copernicus (ex-GMES) Initial Operations 2011–2013 services consists in updating 5 seamless European coverage of a 20m-resolution land cover. Among those, the High Resolution Layer…
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