Incertitude sur l'analyse des contraintes par diffraction des rayons X

C Kahloun, KF Badawi, A Diou - Revue de …, 1990 - rphysap.journaldephysique.org
In this study, we have developped a method to estimate the value of the errors committed
during the stress analysis by X-Ray diffraction. We have cherched the non bias of the proposed …

The application of Hough transform on ultrasonic images for the detection and characterization of defects in non-destructive inspection

…, B Gremillet, L Pillet, A Diou… - Proceedings of Third …, 1996 - ieeexplore.ieee.org
Ultrasonic non-destructive inspection is today widely employed in industry for detecting
embedded or surface defects in engineering structures. However, the processing of data from …

Calibration of a three-dimensional reconstruction system using a structured light source

…, Y Voisin, LFC Lew Yan Voon, A Diou - Optical …, 2002 - spiedigitallibrary.org
We present a method for calibrating a range finder system composed of a camera and a
structured light source. The system is used to reconstruct the three-dimensional (3-D) surface of …

Multi-scale analysis of shell growth increments using wavelet transform

…, C Dumont, EP Verrecchia, O Laligant, A Diou… - Computers & …, 1999 - Elsevier
Shell increments contain information related to the evolution of the environment in which the
organism grew during its biomineralization. To extract the information from variations in …

A model to characterize the DT layer of ICF targets by backlit optical shadowgraphy

F Lamy, Y Voisin, A Diou, M Martin… - Fusion science and …, 2005 - Taylor & Francis
A numerical model is presented in order to modelize the bright ring that appears in backlit
optical shadowgraphy on a transparent hollow sphere with a solid deuterium-tritium layer …

A PET Monte Carlo simulator from numerical phantom: Validation against the EXACT ECAT HR+ scanner

…, N Costes, F Lavenne, C Pierre, A Diou… - 1999 IEEE Nuclear …, 1999 - ieeexplore.ieee.org
The authors have developed a Monte Carlo simulator that uses realistic phantoms defined
by the mean of 3D arrays. One array represents the spatial distribution of the tracer while …

The Hough transform-a new approach

A Diou, Y Voisin, C Santo - … of the 1996 IEEE IECON. 22nd …, 1996 - ieeexplore.ieee.org
The Hough transform is presently witnessing an increasing Interest (over 200 references in
1995), due to its capacity of finding the parameters of miscellaneous shapes in an image (or …

Multiscale analysis of range image: its use for growth increment characterization

A Diou, C Dumont, O Laligant, MF Toubin… - Optical …, 1999 - spiedigitallibrary.org
A new image-processing approach for object analysis in life and earth sciences is presented.
This approach is based on a multiresolution algorithm in image processing. A clamshell …

Detecting parabolas in ultrasound B-scan images with genetic-based inverse voting Hough transform

…, R Benslimane, LFCLY Voon, A Diou… - … , Speech, and Signal …, 2002 - ieeexplore.ieee.org
In this paper we propose a Genetic-Based Inverse Voting Hough Transform (GBIVHT) method
for detecting parabolic shapes iii B-scan images obtained by the ultrasonic Time Of Flight …

Crack defect detection and localization using genetic-based inverse voting hough transform

…, R Benslimane, LFCLY Voon, A Diou… - 2002 International …, 2002 - ieeexplore.ieee.org
We propose a genetic-based inverse voting Hough transform (GBIVHT) method to detect
buried crack defects in engineering structures. The method is applied to B-scan images …