Lovro Bosnar

"Material modeling and rendering for surface inspection"

Industry 4.0 introduced the automatization of customized product manufacturing. To ensure the quality standards, automated production must be followed by an automated inspection. Visual surface inspection is a common quality inspection process, therefore automation of surface inspection planning is re- quired. Surface inspection planning is aiming to solve two important tasks: finding optimal hardware placement for complete coverage of inspected objects and development of image processing algorithms for surface analysis. Both tasks can greatly benefit from the simulation of the inspection environment which consists of inspected object, light and camera using computer graphics modeling and rendering techniques. The focus of our work is the simulation of the inspected object material. Our aim is to model physically based material using microfacet based surface scattering models in order to achieve the realism required for surface inspection planning. Our approach is based on procedural texturing methods which are used to build models for generating microstructure over the inspected object surface. Alongside procedurally generated texture, the aim of our models is usage on arbitrary complex inspected object geometry.

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