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We propose a solution to detect anomalous events in videos without the need to train a model offline. Specifically, our solution is based on a randomly-initialized multilayer perceptron that is optimized online to reconstruct video frames,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Yuqi Ouyang , Guodong Shen , Victor Sanchez

Non-destructive evaluation (NDE) of rail tracks is crucial to ensure the safety and reliability of rail transportation systems. In this work, we present a quantitative study using various signal processing methods to identify defects in…

Classical Physics · Physics 2025-09-09 Elissa Akiki , Lynda Chehami , Nikolay Smagin , Emmanuel Moulin , Jamal Assaad , Youssef Zaatar

The assessment of sewer pipe systems is a highly important, but at the same time cumbersome and error-prone task. We introduce an innovative system based on single-shot structured light modules that facilitates the detection and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Johannes Künzel , Darko Vehar , Rico Nestler , Karl-Heinz Franke , Anna Hilsmann , Peter Eisert

Machine-vision-based defect classification techniques have been widely adopted for automatic quality inspection in manufacturing processes. This article describes a general framework for classifying defects from high volume data batches…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Wenbo Sun , Raed Al Kontar , Judy Jin , Tzyy-Shuh Chang

This paper introduces Hazedefy, a lightweight and application-focused dehazing pipeline intended for real-time video and live camera feed enhancement. Hazedefy prioritizes computational simplicity and practical deployability on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Ayush Bhavsar

Maximally stable component detection is a very popular method for feature analysis in images, mainly due to its low computation cost and high repeatability. With the recent advance of feature-based methods in geometric shape analysis, there…

Computer Vision and Pattern Recognition · Computer Science 2014-06-18 Roee Litman , Alex M. Bronstein , Michael M. Bronstein

The capability to detect boulders on the surface of small bodies is beneficial for vision-based applications such as navigation and hazard detection during critical operations. This task is challenging due to the wide assortment of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Mattia Pugliatti , Francesco Topputo

Infrared (IR) spectroscopy is an indispensable tool for many practical applications including material analysis and sensing. Existing IR spectroscopy techniques face challenges related to the inferior performance and the high cost of…

Optics · Physics 2017-03-13 Anna Paterova , Shaun Lung , Dmitry Kalashnikov , Leonid Krivitsky

This article addresses the following problems: 1) First, a nonlinearity analysis is made looking for the presence of nonlinearities in an early phase of the identification process. The level and the nature of the nonlinearities should be…

Systems and Control · Computer Science 2018-04-26 Johan Schoukens , Mark Vaes , Rik Pintelon

Substation meters play a critical role in monitoring and ensuring the stable operation of power grids, yet their detection of cracks and other physical defects is often hampered by a severe scarcity of annotated samples. To address this…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Jackie Alex , Justin Petter

The identification and removal of systematic errors in object detectors can be a prerequisite for their deployment in safety-critical applications like automated driving and robotics. Such systematic errors can for instance occur under very…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Valentyn Boreiko , Matthias Hein , Jan Hendrik Metzen

Laser powder bed fusion (LPBF) process can incur defects due to melt pool instabilities, spattering, temperature increase, and powder spread anomalies. Identifying defects through in-situ monitoring typically requires collecting, storing,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Shawn Hinnebusch , David Anderson , Berkay Bostan , Albert C. To

Purpose: Accurate detection and 6D pose estimation of surgical instruments are crucial for many computer-assisted interventions. However, supervised methods lack flexibility for new or unseen tools and require extensive annotated data. This…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Jonas Hein , Lilian Calvet , Matthias Seibold , Siyu Tang , Marc Pollefeys , Philipp Fürnstahl

The rapid growth of industrial automation has highlighted the need for precise and efficient defect detection in large-scale machinery. Traditional inspection techniques, involving manual procedures such as scaling tall structures for…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Tianqi , Ding , Dawei Xiang , Yijiashun Qi , Ze Yang , Zunduo Zhao , Tianyao Sun , Pengbin Feng , Haoyu Wang

Wearable pupil detection systems often separate the analysis of the captured wearer's eye images for wirelessly-tethered back-end systems. We argue in this paper that investigating hardware-software co-designs would bring along…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Ankur Raj , Diwas Bhattarai , Kristof Van Laerhoven

In this work, we present a novel approach to photothermal super resolution based thermographic resolution of internal defects using two-dimensional pixel pattern-based active photothermal laser heating in conjunction with subsequent…

Image and Video Processing · Electrical Eng. & Systems 2023-03-01 Julien Lecompagnon , Philipp Daniel Hirsch , Christian Rupprecht , Mathias Ziegler

Digital holography (DH) has been widely used for imaging and characterization of micro and nanostructures in materials science and biology and has the potential to provide high-resolution, non-destructive measurements of fluid surfaces as…

Digital holographic microscopy is a powerful tool for characterizing transparent and reflective phase objects. Its ability to reconstruct amplitude and phase can also offer great insight into wavefront shaping and design of all-dielectric…

Recognizing the surrounding environment at low latency is critical in autonomous driving. In real-time environment, surrounding environment changes when processing is over. Current detection models are incapable of dealing with changes in…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Wonwoo Jo , Kyungshin Lee , Jaewon Baik , Sangsun Lee , Dongho Choi , Hyunkyoo Park

An original idea of semiconductor defects identification in CCD matrix was presented in the article. The procedure is simple and easy to execute because of no need for special and expensive equipment. The method classifies defects into two…

Instrumentation and Detectors · Physics 2013-02-27 Popowicz Adam