A Multi-Camera Vision-Based Approach for Fine-Grained Assembly Quality Control

• URL: http://arxiv.org/abs/2509.23815v1
• Date: Sun, 28 Sep 2025 11:37:48 GMT
• Title: A Multi-Camera Vision-Based Approach for Fine-Grained Assembly Quality Control
• Authors: Ali Nazeri, Shashank Mishra, Achim Wagner, Martin Ruskowski, Didier Stricker, Jason Rambach,
• Abstract summary: Existing solutions often rely on single-view imaging or manual inspection.<n>This paper introduces a novel multi-view quality control module.<n>By capturing images from three camera views, the system provides comprehensive visual coverage of components of an assembly process.
• Score: 12.79310010404089
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Quality control is a critical aspect of manufacturing, particularly in ensuring the proper assembly of small components in production lines. Existing solutions often rely on single-view imaging or manual inspection, which are prone to errors due to occlusions, restricted perspectives, or lighting inconsistencies. These limitations require the installation of additional inspection stations, which could disrupt the assembly line and lead to increased downtime and costs. This paper introduces a novel multi-view quality control module designed to address these challenges, integrating a multi-camera imaging system with advanced object detection algorithms. By capturing images from three camera views, the system provides comprehensive visual coverage of components of an assembly process. A tailored image fusion methodology combines results from multiple views, effectively resolving ambiguities and enhancing detection reliability. To support this system, we developed a unique dataset comprising annotated images across diverse scenarios, including varied lighting conditions, occlusions, and angles, to enhance applicability in real-world manufacturing environments. Experimental results show that our approach significantly outperforms single-view methods, achieving high precision and recall rates in the identification of improperly fastened small assembly parts such as screws. This work contributes to industrial automation by overcoming single-view limitations, and providing a scalable, cost-effective, and accurate quality control mechanism that ensures the reliability and safety of the assembly line. The dataset used in this study is publicly available to facilitate further research in this domain.

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