An introduction to digital image processing
An introduction to digital image processing
Digital image processing (2nd ed.)
Digital image processing (2nd ed.)
Image Processing Handbook, Fourth Edition
Image Processing Handbook, Fourth Edition
InsPulp-I©: An on-line visual inspection system for the pulp industry
Computers in Industry
Adaptive classification of dirt particles in papermaking process
SCIA'11 Proceedings of the 17th Scandinavian conference on Image analysis
Machine vision based quality control from pulping to papermaking for printing
Pattern Recognition and Image Analysis
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Dirt count and dirt particle characterization have an important role in the quality control of the pulp and paper production. The precision of the existing image analysis systems is mostly limited by methods for only extracting the dirt particles from the images of pulp samples with non-uniform backgrounds. The goal of this study was to develop a more advanced automated method for the dirt counting and dirt particle classification. For the segmentation of dirt particles, the use of the developed Niblack thresholding method and the Kittler thresholding method was proposed. The methods and different image features for classification were experimentally studied by using a set of pulp sheets. Expert ground truth concerning the dirt count and dirt particle classes was collected to evaluate the performance of the methods. The evaluation results showed the potential of the selected methods for the purpose.