A Computational Approach to Edge Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
Digital Image Processing
Fast and Effective Feature-Preserving Mesh Denoising
IEEE Transactions on Visualization and Computer Graphics
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A method for automated generation of finite element meshes for unidirectional composites with waviness defects is proposed. Images used as input for mesh generation are recorded with X-ray computed micro-tomography. Quality and contrast of the scanned images is such that fiber directions cannot be detected everywhere. To generate finite elements mesh that follow fiber directions it is suggested to interpolate available fiber slope data using radial basis functions and to create mesh nodes by integrating ordinary differential equations for fiber slopes. Examples demonstrate practical steps of detecting waviness from volume slice images and generation of meshes that model waviness defects with acceptable accuracy.