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Applications of Vision Measurement System on Product Quality Control: 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Industrial Technologies".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 1366

Special Issue Editor


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Guest Editor
Department of Process Automation, AGH University of Science and Technology, 30-059 Kraków, Poland
Interests: vision system; imaging methods; quality control; measurements; production automation; manufacturing systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Vision systems are employed in industry in an extensive range of control and measurement tasks, enabling the implementation of the comprehensive quality assessment of product parameters. They have become part of quality assurance systems and, at the same time, are a source of data regarding the products and processes employed in accounting and management systems for the entire production line. One of the most significant challenges faced by vision systems is the performance of measurement tasks. The vision measurement system that operates on the production line is exposed to various types of disturbances present. The presence of vibrations, gas vapors, changes in the ambient temperature, variations in the lighting conditions, and a wide variety of process changes affect the measurement's repeatability and uncertainty.

Simultaneously, there have been dynamic advances made regarding vision measurements and the available imaging methods, sensor arrays, lighting techniques, optics, and measurement algorithms.

This Special Issue encourages the contribution of articles that present the application of vision systems in measurement tasks performed in order to control product parameters. Preference is given to works depicting the application of various imaging methods, image calibration, and techniques employed to verify the quality of visual post-marc systems in industrial conditions. Presenting the possibilities of applying image analysis in a wide range of measurement tasks carried out as part of product quality control is vital from the perspective of improving product performance quality and minimizing production losses. The main purpose of this Special Issue is to present the scientific achievements of the authors submitting their work to this journal in order to provide innovations in a changing industrial environment.

Prof. Dr. Andrzej Sioma
Guest Editor

Manuscript Submission Information

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Keywords

  • vision system
  • imaging methods
  • image analysis, quality control
  • measurements
  • production automation
  • manufacturing systems

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Related Special Issue

Published Papers (2 papers)

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Research

13 pages, 750 KB  
Article
Evaluating Handcrafted Image Descriptors for Defect Detection in the X-Ray Inspection of Turbine Blade Castings: A Feature Separability Study
by Andrzej Burghardt and Wojciech Łabuński
Appl. Sci. 2026, 16(8), 3905; https://doi.org/10.3390/app16083905 - 17 Apr 2026
Viewed by 284
Abstract
The industrial X-ray inspection of turbine blade castings requires reliable and auditable decision support, yet defect indications are subtle, and data availability is limited. This study quantitatively assesses the diagnostic potential of handcrafted image descriptors by evaluating class separability in feature space, independently [...] Read more.
The industrial X-ray inspection of turbine blade castings requires reliable and auditable decision support, yet defect indications are subtle, and data availability is limited. This study quantitatively assesses the diagnostic potential of handcrafted image descriptors by evaluating class separability in feature space, independently of any trained classifier. The dataset comprises 1600 16-bit DICOM radiograms of 200 blades (eight views per blade), including 156 defective images with 207 localized defects. Standardized 32 × 32 ROI patches were sampled randomly in the vicinity of indications and from defect-free regions to reduce sample correlation and to emulate localization uncertainty. Feature vectors were extracted using five descriptor families—first-order statistics, GLCM/Haralick, FFT and wavelet (DWT) features, Gabor filters, and LBP—and the standardized z-score. Separability was ranked using complementary distribution-based and distance-based metrics grouped into three sets, and the results were min–max-normalized to enable TOP-5 comparisons. Spectral descriptors, particularly DWT wavelets and FFT combined with DWT, consistently achieved the highest scores in distributional metrics, supporting a lightweight screening profile. In contrast, richer combinations dominated multidimensional geometric metrics, indicating benefits from multi-perspective representations for offline analysis. The proposed metric-driven framework provides an interpretable basis for representation selection prior to classifier development under industrial constraints. Full article
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15 pages, 3192 KB  
Article
Predictive Modeling of Packaging Seal Strength: A Hybrid Vision and Process Data Approach for Non-Destructive Quality Assurance
by Piotr Garbacz, Andrzej Burghardt, Piotr Czajka, Jordan Mężyk and Wojciech Mizak
Appl. Sci. 2026, 16(2), 923; https://doi.org/10.3390/app16020923 - 16 Jan 2026
Viewed by 666
Abstract
A method for quality inspection of food packaging based on hybrid imaging and machine-learning techniques is presented. The proposed inspection system integrates thermal and visible-light imaging, enabling detection and classification of faults such as weak seals, creases and contamination. For the purpose of [...] Read more.
A method for quality inspection of food packaging based on hybrid imaging and machine-learning techniques is presented. The proposed inspection system integrates thermal and visible-light imaging, enabling detection and classification of faults such as weak seals, creases and contamination. For the purpose of the study data acquisition is automated with the use of an industrial manipulator, ensuring repeatability and consistent positioning of samples. Using the acquired images, the temperature distribution in the sealing area and selected process parameters, a predictive model for burst-pressure testing was developed. The proposed workflow includes attribute selection, hyperparameter optimization and the application of regression algorithms. The proof-of-concept results demonstrate a strong alignment between predicted and measured values, as well as high model stability. The best-performing model, ElasticNet, achieved an R2 of 0.815 and an MAE of 0.028 kgf/cm2, confirming its potential for non-destructive quality control of packaging. Full article
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