Search Results for author: Hieu T. Nguyen

Found 14 papers, 4 papers with code

Modeling Power Systems Dynamics with Symbolic Physics-Informed Neural Networks

1 code implementation11 Nov 2023 Huynh T. T. Tran, Hieu T. Nguyen

In recent years, scientific machine learning, particularly physic-informed neural networks (PINNs), has introduced new innovative methods to understanding the differential equations that describe power system dynamics, providing a more efficient alternative to traditional methods.

Vision and Language Navigation in the Real World via Online Visual Language Mapping

no code implementations16 Oct 2023 Chengguang Xu, Hieu T. Nguyen, Christopher Amato, Lawson L. S. Wong

Directly transferring SOTA navigation policies trained in simulation to the real world is challenging due to the visual domain gap and the absence of prior knowledge about unseen environments.

Vision and Language Navigation

Evaluating the impact of an explainable machine learning system on the interobserver agreement in chest radiograph interpretation

no code implementations1 Apr 2023 Hieu H. Pham, Ha Q. Nguyen, Hieu T. Nguyen, Linh T. Le, Khanh Lam

We conducted a prospective study to measure the clinical impact of an explainable machine learning system on interobserver agreement in chest radiograph interpretation.

Solving Differential-Algebraic Equations in Power System Dynamic Analysis with Quantum Computing

no code implementations19 Feb 2023 Huynh Trung Thanh Tran, Hieu T. Nguyen, Long T. Vu, Samuel T. Ojetola

Power system dynamics are generally modeled by high dimensional nonlinear differential-algebraic equations (DAEs) given a large number of components forming the network.

A Quantum Neural Network Regression for Modeling Lithium-ion Battery Capacity Degradation

no code implementations6 Feb 2023 Anh Phuong Ngo, Nhat Le, Hieu T. Nguyen, Abdullah Eroglu, Duong T. Nguyen

Given the high power density low discharge rate and decreasing cost rechargeable lithium-ion batteries LiBs have found a wide range of applications such as power grid level storage systems electric vehicles and mobile devices.

regression

Analyze the Effects of COVID-19 on Energy Storage Systems: A Techno-Economic Approach

no code implementations16 Jan 2023 Nhat Le, Alexis Plasencia Leos, Juan Henriquez, Anh Phuong Ngo, Hieu T. Nguyen

During the COVID-19 pandemic, the U. S. power sector witnessed remarkable electricity demand changes in many geographical regions.

energy trading

An Accurate and Explainable Deep Learning System Improves Interobserver Agreement in the Interpretation of Chest Radiograph

no code implementations6 Aug 2022 Hieu H. Pham, Ha Q. Nguyen, Hieu T. Nguyen, Linh T. Le, Lam Khanh

For the localization task with 14 types of lesions, our free-response receiver operating characteristic (FROC) analysis showed that the VinDr-CXR achieved a sensitivity of 80. 2% at the rate of 1. 0 false-positive lesion identified per scan.

Slice-level Detection of Intracranial Hemorrhage on CT Using Deep Descriptors of Adjacent Slices

no code implementations MIDL 2019 Dat T. Ngo, Thao T. B. Nguyen, Hieu T. Nguyen, Dung B. Nguyen, Ha Q. Nguyen, Hieu H. Pham

In particular, deep convolutional neural networks (D-CNNs) have been key players and were adopted by the medical imaging community to assist clinicians and medical experts in disease diagnosis and treatment.

Computed Tomography (CT) Medical Diagnosis +1

VinDr-Mammo: A large-scale benchmark dataset for computer-aided diagnosis in full-field digital mammography

1 code implementation20 Mar 2022 Hieu T. Nguyen, Ha Q. Nguyen, Hieu H. Pham, Khanh Lam, Linh T. Le, Minh Dao, Van Vu

Mammography, or breast X-ray, is the most widely used imaging modality to detect cancer and other breast diseases.

Learning from Multiple Expert Annotators for Enhancing Anomaly Detection in Medical Image Analysis

1 code implementation20 Mar 2022 Khiem H. Le, Tuan V. Tran, Hieu H. Pham, Hieu T. Nguyen, Tung T. Le, Ha Q. Nguyen

As a result, the labeled data may contain a variety of human biases with a high rate of disagreement among annotators, which significantly affect the performance of supervised machine learning algorithms.

Anomaly Detection

Learning to Automatically Diagnose Multiple Diseases in Pediatric Chest Radiographs Using Deep Convolutional Neural Networks

no code implementations14 Aug 2021 Thanh T. Tran, Hieu H. Pham, Thang V. Nguyen, Tung T. Le, Hieu T. Nguyen, Ha Q. Nguyen

Chest radiograph (CXR) interpretation in pediatric patients is error-prone and requires a high level of understanding of radiologic expertise.

Specificity

VinDr-SpineXR: A deep learning framework for spinal lesions detection and classification from radiographs

1 code implementation24 Jun 2021 Hieu T. Nguyen, Hieu H. Pham, Nghia T. Nguyen, Ha Q. Nguyen, Thang Q. Huynh, Minh Dao, Van Vu

It demonstrates an area under the receiver operating characteristic curve (AUROC) of 88. 61% (95% CI 87. 19%, 90. 02%) for the image-level classification task and a mean average precision (mAP@0. 5) of 33. 56% for the lesion-level localization task.

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