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Early-stage visual quality inspection is vital for achieving Zero-Defect Manufacturing and minimizing production waste in modern industrial environments. However, the complexity of robust visual inspection systems and their extensive data…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Jose Moises Araya-Martinez , Gautham Mohan , Kenichi Hayakawa Bolaños , Roberto Mendieta , Sarvenaz Sardari , Jens Lambrecht , Jörg Krüger

Modern Integrated-Circuit(IC) manufacturing introduces diverse, fine-grained defects that depress yield and reliability. Most industrial defect segmentation compares a test image against an external normal set, a strategy that is brittle…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Botong Zhao , Qijun Shi , Shujing Lyu , Yue Lu

In spite of recent progress, image diffusion models still produce artifacts. A common solution is to leverage the feedback provided by quality assessment systems or human annotators to optimize the model, where images are generally rated in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Yiyang Wang , Xi Chen , Xiaogang Xu , Sihui Ji , Yu Liu , Yujun Shen , Hengshuang Zhao

The phase field fracture method has emerged as a promising computational tool for modelling a variety of problems including, since recently, hydrogen embrittlement and stress corrosion cracking. In this work, we demonstrate the potential of…

Applied Physics · Physics 2020-11-17 P. K. Kristensen , C. F. Niordson , E. Martínez-Pañeda

Online measurement of diameters and concentricities of optical fibre layers, and the coating layer in particular, is one of the challenges in fibre manufacturing. Currently available instruments can measure concentricity and diameter of…

Defects are ubiquitous in solids and strongly influence materials' mechanical and functional properties. However, non-destructive characterization and quantification of defects, especially when multiple types coexist, remain a long-standing…

The irradiation represents a useful tool for determining the characteristics of defects in semiconductors as well as a method to evaluate their degradation, fact with important technological consequences. In this contribution, starting from…

Instrumentation and Detectors · Physics 2008-11-26 Sorina Lazanu , Ionel Lazanu

We theorize the surface step characterization by reflected incoherent-light differential interference microscopy with consideration of the optical diffraction effect. With the integration of localization analysis, we develop a quantitative…

Optics · Physics 2022-11-30 Ka Hung Chan , Shengwang Du , Xian Chen

Automatic defect recognition is one of the research hotspots in steel production, but most of the current methods mainly extract features manually and use machine learning classifiers to recognize defects, which cannot tackle the situation,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Jingwen Fu , Xiaoyan Zhu , Yingbin Li

Surface waves on liquids act as a dynamical phase grating for incident light. In this article, we revisit the classical method of probing such waves (wavelengths of the order of mm) as well as inherent properties of liquids and liquid films…

Optics · Physics 2009-11-11 Tarun Kr. Barik , Partha Roy Chaudhuri , Anushree Roy , Sayan Kar

Object detection and identification is surely a fundamental topic in the computer vision field; it plays a crucial role in many applications such as object tracking, industrial robots control, image retrieval, etc. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Filippo Leveni

Traditional Statistical Process Control methodologies face several challenges when monitoring defects in complex geometries, such as those of products obtained via Additive Manufacturing techniques. Many approaches cannot be applied in…

Applications · Statistics 2024-04-12 Sara Bonacina , Daniele Zago , Giovanna Capizzi , Bianca Maria Colosimo

A defect-deferred correction method, increasing both temporal and spatial accuracy, for fluid-fluid interaction problem with nonlinear interface condition is considered by geometric averaging of the previous two-time levels. In the defect…

Numerical Analysis · Mathematics 2020-06-02 Mustafa Aggul , Songül Kaya

Detection of pedestrians on embedded devices, such as those on-board of robots and drones, has many applications including road intersection monitoring, security, crowd monitoring and surveillance, to name a few. However, the problem can be…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Mohamed Afifi , Yara Ali , Karim Amer , Mahmoud Shaker , Mohamed Elhelw

This paper presents a method to detect reflection of 3D light detection and ranging (Lidar) scans and uses it to classify the points and also map objects outside the line of sight. Our software uses several approaches to analyze the point…

Robotics · Computer Science 2020-10-28 Xiting Zhao , Zhijie Yang , Sören Schwertfeger

The acquisition of objects outside the Line-of-Sight of cameras is a very intriguing but also extremely challenging research topic. Recent works showed the feasibility of this idea exploiting transient imaging data produced by custom direct…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Matteo Caligiuri , Adriano Simonetto , Pietro Zanuttigh

Thermographic photothermal super resolution reconstruction enables the resolution of internal defects/inhomogeneities below the classical limit which is governed by the diffusion properties of thermal wave propagation. Based on a…

Image and Video Processing · Electrical Eng. & Systems 2022-05-11 Julien Lecompagnon , Samim Ahmadi , Philipp Hirsch , Christian Rupprecht , Mathias Ziegler

Directed Energy Deposition (DED) offers significant potential for manufacturing complex and multi-material parts. However, internal defects such as porosity and cracks can compromise mechanical properties and overall performance. This study…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Israt Zarin Era , Fan Zhou , Ahmed Shoyeb Raihan , Imtiaz Ahmed , Alan Abul-Haj , James Craig , Srinjoy Das , Zhichao Liu

A method of scanning mid-IR-laser microscopy has recently been proposed for the investigation of large-scale electrically and recombination-active defects in semiconductors and non-destructive inspection of semiconductor materials and…

Materials Science · Physics 2011-05-17 O. V. Astafiev , V. P. Kalinushkin , V. A. Yuryev

Topological defects play a key role in the structures and dynamics of liquid crystals (LCs) and other ordered systems. There is a recent interest in studying defects in different biological systems with distinct textures. However, a robust…

Soft Condensed Matter · Physics 2025-01-20 Haijie Ren , Weiqiang Wang , Wentao Tang , Rui Zhang