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Automatic Colour Independent Quality Evaluation of 3D Printed Flat Surfaces Based on CLAHE and Hough Transform

  • Jarosław Fastowicz
  • Krzysztof Okarma
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 892)

Abstract

In this paper a novel approach to quality evaluation of flat surfaces of the 3D printed objects has been discussed. The proposed approach utilizes the regularity of the layers visible on the printed surfaces which are extracted using Hough transform. Nevertheless, due to the variety of filament’s colours, the application of a single metric which can be automatically computed, being equivalent to perceived surface quality, requires the additional preprocessing operations. For this purpose Contrast Limited Adaptive Histogram Equalization (CLAHE) has been used together with additional compensation of the metric for bright filaments. Achieved results for the database of 88 scanned samples are encouraging and allow a reliable quality assessment of 3D surfaces for various filaments.

Keywords

3D prints Quality assessment Hough transform CLAHE 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Signal Processing and Multimedia Engineering, Faculty of Electrical EngineeringWest Pomeranian University of Technology, SzczecinSzczecinPoland

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