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Real-Time Quality Control of Heat Sealed Bottles Using Thermal Images and Artificial Neural Network
Samuel Cruz1, António Paulino2, Joao Duraes1,3
1Polytechnic of Coimbra, Coimbra Engineering Academy, R. Pedro Nunes, 3030-199 Coimbra, Portugal.
Journal of Imaging
|August 30, 2021
Summary
This study presents an automated, non-destructive system for inspecting heat-sealed bottles using infrared imaging and artificial intelligence. The innovative quality control method effectively identifies defective seals, ensuring product safety and minimizing waste in industrial settings.
Area of Science:
- Industrial Engineering
- Artificial Intelligence
- Computer Vision
Background:
- Effective quality control for heat-sealed bottles is crucial for waste reduction and public health, especially for products like pesticides.
- Traditional inspection methods may be invasive, destructive, or lack automation, limiting scalability and efficiency.
- Assessing seal integrity non-invasively is challenging due to the inaccessibility of seals from the bottle exterior.
Purpose of the Study:
- To design and evaluate an automated, non-invasive, and non-destructive quality control system for heat-sealed bottles.
- To assess the effectiveness of an artificial neural network (ANN) combined with computer vision for seal integrity inspection.
- To demonstrate the system's applicability in industrial settings for pesticide bottle quality control.
Main Methods:
- Development of an automated quality control system utilizing infrared (IR) imaging via a thermal camera.
- Application of computer vision techniques to process IR images of bottle seals.
- Implementation of an artificial neural network (ANN) for seal quality assessment based on image analysis.
Main Results:
- The automated system achieved high accuracy in identifying defective seals, with a precision of 98.6% and a recall of 100%.
- The non-invasive and non-destructive approach using IR imaging proved effective for seal quality inspection.
- The system is designed for seamless integration with existing industrial conveyor belts, enabling large-scale application.
Conclusions:
- The developed AI-powered system offers an effective solution for quality control of heat-sealed bottles, particularly for hazardous contents like pesticides.
- The automated, non-destructive inspection method enhances efficiency, reduces waste, and ensures product safety.
- This technology is scalable and adaptable for widespread use in high-volume industrial packaging lines.
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