AIMC Topic: Ultrasonics

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Laser ultrasonic imaging of complex defects with full-matrix capture and deep-learning extraction.

Ultrasonics Dec 20, 2022
Phased array-based full-matrix ultrasonic imaging has been the golden standard for the non-destructive evaluation of critical components. However, the piezoelectric phased array cannot be applied in hazardous environments and online monitoring due to...
Deep Learning Ultrasonics Proof of Concept Study Lasers Aluminum
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Ultrasonic Guided Wave Inversion Based on Deep Learning Restoration for Fingerprint Recognition.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control Sep 27, 2022
As an established biometric authentication approach, fingerprint scanning has received considerable attention due to its high accuracy and reliability. In this article, the fingerprint reconstruction at any position is achieved in large physical doma...
Dermatoglyphics Algorithms Ultrasonics Deep Learning Reproducibility of Results
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Evaluation of the Transverse Crack Depth of Rail Bottoms Based on the Ultrasonic Guided Waves of Piezoelectric Sensor Arrays.

Sensors (Basel, Switzerland) Sep 16, 2022
A method based on the high-frequency ultrasonic guided waves (UGWs) of a piezoelectric sensor array is proposed to monitor the depth of transverse cracks in rail bottoms. Selecting high-frequency UGWs with a center frequency of 350 kHz can enable the...
Monitoring, Physiologic Ultrasonics Neural Networks, Computer Ultrasonic Waves
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Ultrasonic image denoising using machine learning in point contact excitation and detection method.

Ultrasonics Sep 6, 2022
A point contact/Coulomb coupling technique is generally used for visualizing the ultrasonic waves in Lead Zirconate Titanate (PZT) ceramics. The point contact and delta pulse excitation produce a broadband frequency spectrum and wide directional wave...
Reproducibility of Results Ultrasonics Machine Learning Signal-To-Noise Ratio
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Enhancement of instrumented ultrasonic tracking images using deep learning.

International journal of computer assisted radiology and surgery Sep 3, 2022
PURPOSE: Instrumented ultrasonic tracking provides needle localisation during ultrasound-guided minimally invasive percutaneous procedures. Here, a post-processing framework based on a convolutional neural network (CNN) is proposed to improve the spa...
Animals Deep Learning Neural Networks, Computer Needles Sheep Ultrasonography Ultrasonics
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Flow Pattern Identification of Oil-Water Two-Phase Flow Based on SVM Using Ultrasonic Testing Method.

Sensors (Basel, Switzerland) Aug 16, 2022
A flow pattern identification method combining ultrasonic transmission attenuation with an ultrasonic reflection echo is proposed for oil-water two-phase flow in horizontal pipelines. Based on the finite element method, two-dimensional geometric simu...
Water Ultrasonics Computer Simulation Transducers Support Vector Machine
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Toward intraoperative tissue classification: exploiting signal feedback from an ultrasonic aspirator for brain tissue differentiation.

International journal of computer assisted radiology and surgery Aug 4, 2022
PURPOSE: During brain tumor surgery, care must be taken to accurately differentiate between tumorous and healthy tissue, as inadvertent resection of functional brain areas can cause severe consequences. Since visual assessment can be difficult during...
Ultrasonics Feedback Neural Networks, Computer Brain Machine Learning Humans
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Deep Learning Empowered Structural Health Monitoring and Damage Diagnostics for Structures with Weldment via Decoding Ultrasonic Guided Wave.

Sensors (Basel, Switzerland) Jul 19, 2022
Welding is widely used in the connection of metallic structures, including welded joints in oil/gas metallic pipelines and other structures. The welding process is vulnerable to the inclusion of different types of welding defects, such as lack of pen...
Ultrasonics Machine Learning Neural Networks, Computer Deep Learning Artificial Intelligence
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Uncertainty Quantification for Deep Learning in Ultrasonic Crack Characterization.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control Jun 30, 2022
Deep learning for nondestructive evaluation (NDE) has received a lot of attention in recent years for its potential ability to provide human level data analysis. However, little research into quantifying the uncertainty of its predictions has been do...
Reproducibility of Results Deep Learning Humans Uncertainty Monte Carlo Method Ultrasonics
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Collaborative Robotic Wire + Arc Additive Manufacture and Sensor-Enabled In-Process Ultrasonic Non-Destructive Evaluation.

Sensors (Basel, Switzerland) May 31, 2022
The demand for cost-efficient manufacturing of complex metal components has driven research for metal Additive Manufacturing (AM) such as Wire + Arc Additive Manufacturing (WAAM). WAAM enables automated, time- and material-efficient manufacturing of ...
Diagnostic Imaging Metals Ultrasonics Robotic Surgical Procedures Robotics Ultrasonography
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