no code implementations • 5 Nov 2024 • Duong H. Nguyen, Phi L. Nguyen, Truong T. Nguyen, Hieu H. Pham, Duc A. Tran
Second, due to its distributed nature, FL might encounter backdoor attacks by participating clients.
no code implementations • 21 Feb 2024 • Tue M. Cao, Nhat H. Tran, Hieu H. Pham, Hung T. Nguyen, Le P. Nguyen
Most of the previous approaches to Time Series Classification (TSC) highlight the significance of receptive fields and frequencies while overlooking the time resolution.
1 code implementation • 1 Dec 2023 • Quoc Hung T. Le, Hieu H. Pham
Musculoskeletal diseases and cognitive impairments in patients lead to difficulties in movement as well as negative effects on their psychological health.
1 code implementation • 25 Nov 2023 • Hieu X. Nguyen, Duong V. Nguyen, Hieu H. Pham, Cuong D. Do
Sleep apnea (SA) is a significant respiratory condition that poses a major global health challenge.
no code implementations • 9 Nov 2023 • Hoang C. Nguyen, Chi Phan, Hieu H. Pham
Screening mammography is the most widely used method for early breast cancer detection, significantly reducing mortality rates.
no code implementations • 1 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.
no code implementations • 29 Mar 2023 • Hieu H. Pham, Khiem H. Le, Tuan V. Tran, Ha Q. Nguyen
The work discusses the use of machine learning algorithms for anomaly detection in medical image analysis and how the performance of these algorithms depends on the number of annotators and the quality of labels.
no code implementations • 3 Mar 2023 • Thuy Dung Nguyen, Tuan Nguyen, Phi Le Nguyen, Hieu H. Pham, Khoa Doan, Kok-Seng Wong
Federated learning (FL) is a machine learning (ML) approach that allows the use of distributed data without compromising personal privacy.
1 code implementation • 20 Nov 2022 • Quan Nguyen, Hieu H. Pham, Kok-Seng Wong, Phi Le Nguyen, Truong Thao Nguyen, Minh N. Do
FedDCT reduces the memory requirements and allows low-end devices to participate in FL.
1 code implementation • 13 Nov 2022 • Quang-Huy Nguyen, Cuong Q. Nguyen, Dung D. Le, Hieu H. Pham
This might result in a significant difference between support and query samples, therefore undermining the performance of few-shot algorithms.
1 code implementation • 5 Oct 2022 • Trong-Tung Nguyen, Hieu H. Pham, Phi Le Nguyen, Thanh Hung Nguyen, Minh Do
From this framework, we consider color-specific information of pill images as a guidance stream and devise an approach, namely "Color Guidance with Multi-stream intermediate fusion"(CG-IMIF) for solving CIL pill image classification task.
no code implementations • 11 Sep 2022 • Thao T. B. Nguyen, Tam M. Vo, Thang V. Nguyen, Hieu H. Pham, Ha Q. Nguyen
Our best model (CheXpert-pretrained EfficientNet-B2) yields an F1-score of 0. 6989 (95% CI 0. 6740, 0. 7240), AUC of 0. 7912, sensitivity of 0. 7064 and specificity of 0. 8760 for the abnormal diagnosis in general.
1 code implementation • 15 Aug 2022 • Khiem H. Le, Hieu H. Pham, Thao B. T. Nguyen, Tu A. Nguyen, Cuong D. Do
Nowadays, an increasing number of people are being diagnosed with cardiovascular diseases (CVDs), the leading cause of death globally.
no code implementations • 10 Aug 2022 • Thao Nguyen, Hieu H. Pham, Huy Khiem Le, Anh Tu Nguyen, Ngoc Tien Thanh, Cuong Do
Experiments on the COVID-19 ECG images dataset demonstrate that the proposed digitization method is able to capture correctly the original signals, with a mean absolute error of 28. 11 ms. Our proposed 1D-CNN model, which is trained on the digitized ECG signals, allows identifying individuals with COVID-19 and other subjects accurately, with classification accuracies of 98. 42%, 95. 63%, and 98. 50% for classifying COVID-19 vs. Normal, COVID-19 vs. Abnormal Heartbeats, and COVID-19 vs. other classes, respectively.
no code implementations • 7 Aug 2022 • Hieu H. Pham, Louahdi Khoudour, Alain Crouzil, Pablo Zegers, Sergio A. Velastin
Human action recognition is an important application domain in computer vision.
no code implementations • 6 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.
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.
1 code implementation • 25 Jul 2022 • Khiem H. Le, Hieu H. Pham, Thao BT. Nguyen, Tu A. Nguyen, Tien N. Thanh, Cuong D. Do
In clinical practices and most of the current research, standard 12-lead ECG is mainly used.
1 code implementation • 20 Mar 2022 • Hieu H. Pham, Ngoc H. Nguyen, Thanh T. Tran, Tuan N. M. Nguyen, Ha Q. Nguyen
To the best of our knowledge, this is the first and largest pediatric CXR dataset containing lesion-level annotations and image-level labels for the detection of multiple findings and diseases.
1 code implementation • 20 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.
no code implementations • 20 Mar 2022 • Sam B. Tran, Huyen T. X. Nguyen, Chi Phan, Hieu H. Pham, Ha Q. Nguyen
Image augmentation techniques have been widely investigated to improve the performance of deep learning (DL) algorithms on mammography classification tasks.
1 code implementation • 20 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.
no code implementations • 20 Mar 2022 • Binh T. Dao, Thang V. Nguyen, Hieu H. Pham, Ha Q. Nguyen
This work aims at developing and validating a precise, fast multi-phase classifier to recognize three main types of contrast phases in abdominal CT scans.
no code implementations • 8 Dec 2021 • Huyen T. X. Nguyen, Sam B. Tran, Dung B. Nguyen, Hieu H. Pham, Ha Q. Nguyen
The experimental results demonstrate that the proposed approach outperforms the single-view classification approach on two benchmark datasets by huge F1-score margins (+5% on the internal dataset and +10% on the DDSM dataset).
no code implementations • 14 Aug 2021 • Hieu H. Pham, Dung V. Do, Ha Q. Nguyen
This challenge raises the need for an automated and efficient approach to classifying body parts from X-ray scans.
no code implementations • 14 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.
1 code implementation • 3 Jul 2021 • Hoang C. Nguyen, Tung T. Le, Hieu H. Pham, Ha Q. Nguyen
We introduce a new benchmark dataset, namely VinDr-RibCXR, for automatic segmentation and labeling of individual ribs from chest X-ray (CXR) scans.
1 code implementation • 24 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.
3 code implementations • 30 Dec 2020 • Ha Q. Nguyen, Khanh Lam, Linh T. Le, Hieu H. Pham, Dat Q. Tran, Dung B. Nguyen, Dung D. Le, Chi M. Pham, Hang T. T. Tong, Diep H. Dinh, Cuong D. Do, Luu T. Doan, Cuong N. Nguyen, Binh T. Nguyen, Que V. Nguyen, Au D. Hoang, Hien N. Phan, Anh T. Nguyen, Phuong H. Ho, Dat T. Ngo, Nghia T. Nguyen, Nhan T. Nguyen, Minh Dao, Van Vu
Most of the existing chest X-ray datasets include labels from a list of findings without specifying their locations on the radiographs.
no code implementations • MIDL 2019 • Hieu H. Pham, Tung T. Le, Dat T. Ngo, Dat Q. Tran, Ha Q. Nguyen
The chest X-rays (CXRs) is one of the views most commonly ordered by radiologists (NHS), which is critical for diagnosis of many different thoracic diseases.
2 code implementations • 15 Nov 2019 • Hieu H. Pham, Tung T. Le, Dat Q. Tran, Dat T. Ngo, Ha Q. Nguyen
The performance is on average better than 2. 6 out of 3 other individual radiologists with a mean AUC of 0. 930, which ranks first on the CheXpert leaderboard at the time of writing this paper.
Ranked #2 on Multi-Label Classification on CheXpert