Results 41 to 50 of about 557,137 (294)
A Robust Approach to Optimal Matched Filter Design in Ultrasonic Non-Destructive Evaluation (NDE) [PDF]
, 2016 The matched filter was demonstrated to be a powerful yet efficient technique to enhance defect detection and imaging in ultrasonic non-destructive evaluation (NDE) of coarse grain materials, provided that the filter was properly designed and optimized ...
Hayward, Gordon, Li, Minghui
core +3 more sources
A simple method for enhanced vibration-based structural health monitoring [PDF]
, 2011 This study suggests a novel method for structural vibration-based health monitoring for beams which only utilises the first natural frequency of the beam in order to detect and localise a defect.
A Guechaichia +4 more
core +1 more source
AlgorithmsAutomated pixel-level detection of steel surface defects is a critical challenge in manufacturing quality control, complicated by the variation in defect size and shape, low contrast with background textures, and the diversity of defect patterns.
Mohammadreza Saberironaghi +2 more
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High-resolution cathodoluminescence hyperspectral imaging of nitride nanostructures [PDF]
, 2012 Hyperspectral cathodoluminescence imaging provides spectrally and spatially resolved information on luminescent materials within a single dataset. Pushing the technique toward its ultimate nanoscale spatial limit, while at the same time spectrally ...
Chaowang Liu +9 more
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A Method of Locating and Measuring Train Wheel Tread Defects Based on YOLOv3-tiny
Kongzhi Yu Xinxi Jishu, 2022 Aiming at the problem of insufficient detection frame size accuracy in the deep learning based wheelset tread defect detection algorithm, this paper proposes a tread defect detection algorithm based on YOLOv3-tiny and traditional image algorithm, which ...
JIN Kairong, WANG Junping, CHEN Shenglan
doaj +3 more sources
Sensing electric fields using single diamond spins [PDF]
, 2011 The ability to sensitively detect charges under ambient conditions would be a fascinating new tool benefitting a wide range of researchers across disciplines.
A Gruber +42 more
core +2 more sources
Detection of Surface Defects on Compact Discs [PDF]
, 2007 Online detection of surface defects on optical discs is of high importance for the accommodation schemes handling these defects. These surface defects introduce defect components to the position measurements of focus and radial tracking positions.
Andersen, Palle +2 more
core +4 more sources
Edge Effect Analysis and Edge Defect Detection of Titanium Alloy Based on Eddy Current Testing
Applied Sciences, 2020 Titanium alloy is widely used in the area of aerospace and aviation due to its excellent properties. Eddy current testing (ECT) is among the most extensively used non-destructive techniques for titanium alloy material inspection.
Yuedong Xie +5 more
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Using ISU-GAN for unsupervised small sample defect detection
Scientific Reports, 2022 Surface defect detection is a vital process in industrial production and a significant research direction in computer vision. Although today’s deep learning defect detection methods based on computer vision can achieve high detection accuracy, they are ...
Yijing Guo +6 more
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Effective Fabric Defect Detection Model for High-Resolution Images
Applied Sciences, 2023 The generation of defects during fabric production impacts fabric quality, and fabric production factories can greatly benefit from the automatic detection of fabric defects. Although object detection algorithms based on convolutional neural networks can
Long Li, Qi Li, Zhiyuan Liu, Lin Xue
doaj +1 more source