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Efficient and effective on-line detection and correction of bad-pixels can improve yield and increase the expected lifetime of image sensors. This paper presents a comprehensive Deep Learning (DL) based on-line detection and correction…

Image and Video Processing · Electrical Eng. & Systems 2024-07-26 Sreetama Sarkar , Xinan Ye , Gourav Datta , Peter A. Beerel

In industrial settings, surface defects on steel can significantly compromise its service life and elevate potential safety risks. Traditional defect detection methods predominantly rely on manual inspection, which suffers from low…

Machine Learning · Computer Science 2025-04-25 Cheng Shen , Yuewei Liu

Industrial CT is useful for defect detection, dimensional inspection and geometric analysis. While it does not meet the needs of industrial mass production, because of its time-consuming imaging procedure. This article proposes a novel…

Instrumentation and Detectors · Physics 2022-06-20 Zheng Fang , Tingjun Wang , Bingan Yuan , Xinlin Qing , Shunren Li

Ultrasonic metal welding (UMW) is widely used in industrial applications but is sensitive to tool wear, surface contamination, and material variability, which can lead to unexpected process faults and unsatisfactory weld quality.…

Machine Learning · Computer Science 2026-04-16 Ahmadreza Eslaminia , Kuan-Chieh Lu , Klara Nahrstedt , Chenhui Shao

The industry increasingly relies on deep learning (DL) technology for manufacturing inspections, which are challenging to automate with rule-based machine vision algorithms. DL-powered inspection systems derive defect patterns from labeled…

Machine Learning · Computer Science 2024-09-17 Altaf Allah Abbassi , Houssem Ben Braiek , Foutse Khomh , Thomas Reid

Automated surface-anomaly detection using machine learning has become an interesting and promising area of research, with a very high and direct impact on the application domain of visual inspection. Deep-learning methods have become the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Domen Tabernik , Samo Šela , Jure Skvarč , Danijel Skočaj

Defects are unavoidable in casting production owing to the complexity of the casting process. While conventional human-visual inspection of casting products is slow and unproductive in mass productions, an automatic and reliable defect…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Maryam Habibpour , Hassan Gharoun , AmirReza Tajally , Afshar Shamsi , Hamzeh Asgharnezhad , Abbas Khosravi , Saeid Nahavandi

Deep-learning methods have recently started being employed for addressing surface-defect detection problems in industrial quality control. However, with a large amount of data needed for learning, often requiring high-precision labels, many…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Jakob Božič , Domen Tabernik , Danijel Skočaj

Deep learning-based semiconductor defect inspection has gained traction in recent years, offering a powerful and versatile approach that provides high accuracy, adaptability, and efficiency in detecting and classifying nano-scale defects.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Amit Prasad , Bappaditya Dey , Victor Blanco , Sandip Halder

This paper presents a CAD-based approach for automated surface defect detection. We leverage the a-priori knowledge embedded in a CAD model and integrate it with point cloud data acquired from commercially available stereo and depth…

Computer Vision and Pattern Recognition · Computer Science 2025-01-31 Matteo Dalle Vedove , Matteo Bonetto , Edoardo Lamon , Luigi Palopoli , Matteo Saveriano , Daniele Fontanelli

In this paper, we introduce an approach for detecting modifications in assembled printed circuit boards based on photographs taken without tight control over perspective and illumination conditions. One instance of this problem is the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Diulhio Candido de Oliveira , Bogdan Tomoyuki Nassu , Marco Aurelio Wehrmeister

The integration of large-scale circuits and systems emphasizes the importance of automated defect detection of electronic components. The YOLO image detection model has been used to detect PCB defects and it has become a typical AI-assisted…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Hengyi Zhu , Linye Wei , He Li

In the realm of industrial quality inspection, defect detection stands as a critical component, particularly in high-precision, safety-critical sectors such as automotive components aerospace, and medical devices. Traditional methods,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Shuai Li , Shihan Chen , Wanru Geng , Zhaohua Xu , Xiaolu Liu , Can Dong , Zhen Tian , Changlin Chen

This work is addressing the problem of defect anomaly detection based on a clean reference image. Specifically, we focus on SEM semiconductor defects in addition to several natural image anomalies. There are well-known methods to create a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Nati Ofir , Yotam Ben Shoshan , Ran Badanes , Boris Sherman

The unsupervised visual inspection of defects in industrial products poses a significant challenge due to substantial variations in product surfaces. Current unsupervised models struggle to strike a balance between detecting texture and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Peng Wang , Haiming Yao , Wenyong Yu

Change point detection (CPD) methods aim to identify abrupt shifts in the distribution of input data streams. Accurate estimators for this task are crucial across various real-world scenarios. Yet, traditional unsupervised CPD techniques…

Machine Learning · Computer Science 2024-12-04 Alexandra Bazarova , Evgenia Romanenkova , Alexey Zaytsev

Visual defect detection is critical to ensure the quality of most products. However, the majority of small and medium-sized manufacturing enterprises still rely on tedious and error-prone human manual inspection. The main reasons include:…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Zijian Kuang , Xinran Tie , Lihang Ying , Shi Jin

In line with the development of Industry 4.0, surface defect detection/anomaly detection becomes a topical subject in the industry field. Improving efficiency as well as saving labor costs has steadily become a matter of great concern in…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Yajie Cui , Zhaoxiang Liu , Shiguo Lian

Many modern applications require detecting change points in complex sequential data. Most existing methods for change point detection are unsupervised and, as a consequence, lack any information regarding what kind of changes we want to…

Machine Learning · Computer Science 2022-02-11 Nauman Ahad , Eva L. Dyer , Keith B. Hengen , Yao Xie , Mark A. Davenport

Surface mount technology (SMT) is an enhanced method in electronic packaging in which electronic components are placed directly on soldered printing circuit board (PCB) and are permanently attached on PCB with the aim of reflow soldering…

Optimization and Control · Mathematics 2020-01-28 Irandokht Parviziomran , Shun Cao , Haeyong Yang , Seungbae Park , Daehan Won