3-D Extraction of fibres from microtomographic images of fibre-reinforced composite materials
Résumé
Mechanical properties of molded components made from fibre-reinforced composite materials locally depend of the orientation of the fibres. The evaluation of the properties is done by sampling the component at known positions. The samples (of size of 1 mm 3) are scanned in a tomograph which yields 3-D images. We are interested in extracting the individual fibres, to analyze their length and local orientation. The segmentation of the fibres is a challenging task. First, the resolution of the reconstruction being at the limits of the capabilities of the device (optics, sensor, wavelength), the images are noisy and fuzzy. Second, the fibres have a non uniform length and are heavily tangled. This paper describes the segmentation process.
Mots clés
3-D image
Fiber reinforced composites
Local orientations
Microtomographic images
Segmentation process
Tomographs
Composite materials
Composite micromechanics
Fiber reinforced plastics
Fibers
Image processing
Image reconstruction
Imaging systems
Mathematical morphology
Mechanical properties
Optical data processing
Tomography
Three dimensional