Article
Biochemical Research Methods
Mengyao He, Qingqing Zhao, Han Zhang
Summary: Self-supervised learning has shown superior performance on graph-related tasks, with generative self-supervised learning, specifically graph autoencoders (GAEs), being an effective approach. However, most previous works only reconstruct the graph topological structure or node features, without considering both. To address this, we propose a generative self-supervised graph representation learning methodology named MDGA, which reconstructs the graph topological structure with GAE and extracts node attributes by masked feature reconstruction.
Article
Computer Science, Artificial Intelligence
Shuyi Yang, Mattia Cerrato, Dino Ienco, Ruggero G. Pensa, Roberto Esposito
Summary: Semi-supervised learning shows potential in real-world applications with few labeled examples available, but struggles with fairness constraints. To address this, we propose a fair semi-supervised representation learning architecture that achieves fair and accurate results even with limited biased instances. Experimental results show the competitiveness of our approach in general and real-world settings.
Article
Computer Science, Information Systems
Chaobo He, Yulong Zheng, Junwei Cheng, Yong Tang, Guohua Chen, Hai Liu
Summary: This paper proposes a semi-supervised overlapping community detection method named SSGCAE, which is based on graph neural networks. It addresses the problems of link and attribute fusion, prior information integration, and overlapping community detection in attributed graphs.
INFORMATION SCIENCES
(2022)
Article
Telecommunications
Thien-Nu Hoang, Daehee Kim
Summary: With the development of autonomous vehicle technology, the use of controller area network (CAN) bus has become a standard in-vehicle communication system. However, the lack of encryption and authentication mechanisms makes the CAN protocol vulnerable to various attacks. To address this issue, this study proposes a novel semi-supervised learning model, combining an autoencoder and generative adversarial networks, to detect different types of message injection attacks with limited labeled data.
VEHICULAR COMMUNICATIONS
(2022)
Article
Computer Science, Artificial Intelligence
Li Zhang, Heda Song, Nikolaos Aletras, Haiping Lu
Summary: Graph convolutional network (GCN) is an effective neural network model for graph representation learning. This paper proposes a new node-feature convolutional (NFC) layer to tackle the limitations of standard GCN. Experimental results show that NFC-GCN outperforms state-of-the-art methods in node classification.
PATTERN RECOGNITION
(2022)
Article
Multidisciplinary Sciences
Yuyeon Jung, Taewan Kim, Mi-Ryung Han, Sejin Kim, Geunyoung Kim, Seungchul Lee, Youn Jin Choi
Summary: In this study, a convolutional neural network model was developed to classify ovarian tumors using pre-processed and augmented ultrasound images. The performance of the model was evaluated through cross-validation and validated qualitatively using Grad-CAM. The results demonstrated the accuracy and feasibility of the model.
SCIENTIFIC REPORTS
(2022)
Article
Computer Science, Information Systems
Animesh Mishra, Ritesh Jha, Vandana Bhattacharjee
Summary: This research proposes a self-supervised pre-training method based on contrastive loss for feature representation learning, which is applied to unlabeled data for detecting brain tumors using brain magnetic resonance images (MRI). The results show that self-supervised pre-training with contrastive loss performs better than random or ImageNet initialization.
Article
Computer Science, Artificial Intelligence
Takaki Yamada, Miquel Massot-Campos, Adam Prugel-Bennett, Oscar Pizarro, Stefan Williams, Blair Thornton
Summary: We have developed a new semi-supervised learning method that can reduce the labeling effort required for training convolutional neural networks (CNNs) in georeferenced imagery processing. By using a location guided autoencoder, the method identifies representative subsets of images from unlabeled datasets. Experimental results show efficiency gains for all the aerial and seafloor image datasets analyzed, demonstrating the method's benefits across application domains. Compared to conventional transfer and active learning, the method achieves equivalent accuracy with significantly fewer annotations and demonstrates significant gains in datasets with unbalanced class distributions and rare classes.
IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE
(2023)
Article
Engineering, Electrical & Electronic
Kyong Hwan Jin
Summary: This paper explores the relationship between trainable convolution layers and block transforms, proposing a multi-scale block transform method for autoencoders. By using transposed convolutions and nonlinear activations, the method achieves high-resolution representations and avoids the issue of generating blurry images.
IEEE SIGNAL PROCESSING LETTERS
(2021)
Article
Computer Science, Artificial Intelligence
Zonghan Wu, Da Zheng, Shirui Pan, Quan Gan, Guodong Long, George Karypis
Summary: This article introduces a novel spatial-temporal graph neural network called TraverseNet for capturing the spatial-temporal dependencies in traffic data. Compared to other spatial-temporal neural networks, TraverseNet views space and time as an inseparable whole and utilizes message traverse mechanisms to explore the dependencies in the spatial-temporal graph.
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
(2022)
Article
Multidisciplinary Sciences
Qianli Ma, Zheng Fan, Chenzhi Wang, Hongye Tan
Summary: This paper proposes a method called PMRGNN for semi-supervised node classification, which improves model performance and accuracy through a random propagation strategy based on PageRank, a combination of feature extractors, and a graph regularization term.
Article
Engineering, Biomedical
V. P. Subramanyam Rallabandi, Krishnamoorthy Seetharaman
Summary: In this study, a new model was developed to automatically detect dementia stage using magnetic resonance imaging (MRI) and positron emission tomography (PET). The proposed model achieved high accuracy in classifying healthy controls, mild cognitive impairment, and Alzheimer's disease.
BIOMEDICAL SIGNAL PROCESSING AND CONTROL
(2023)
Article
Computer Science, Artificial Intelligence
Ebrahim Parcham, Mansoor Fateh
Summary: In this study, a new scaling method based on a branch neural network is proposed to increase speed, reduce the size of the convolutional network model, and improve accuracy optimization. The HybridBranchNet network achieves higher accuracy and speed compared to the EfficientNet network, with a 1.03% increase in accuracy and a 39% increase in speed. The proposed method also has fewer trainable parameters, being 13% less than the EfficientNet network. It achieves an accuracy of 92.3% in the CIFAR-100 dataset and 98.8% in the Flowers-102 dataset.
Article
Engineering, Biomedical
Md-Billal Hossain, Hugo F. Posada-Quintero, Ki H. Chon
Summary: This study aimed to develop a robust and data-driven automatic motion artifacts (MA) removal technique from electrodermal activity (EDA) signal. The proposed deep convolutional autoencoder (DCAE) approach showed significantly higher signal-to-noise-power-ratio improvement and lower mean squared error compared to existing methods, indicating its effectiveness in removing MAs and recovering discarded EDA data.
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING
(2022)
Article
Computer Science, Interdisciplinary Applications
Siyamalan Manivannan
Summary: This study investigates a method for addressing problems in semiconductor manufacturing through the use of wafer bin maps and convolutional neural networks for classification. By utilizing both labeled and unlabeled data for training, the proposed approach improves classification performance.
COMPUTERS & INDUSTRIAL ENGINEERING
(2022)
Article
Pediatrics
Nathalie Charpak, Rejean Tessier, Juan G. Ruiz, Jose Tiberio Hernandez, Felipe Uriza, Julieta Villegas, Line Nadeau, Catherine Mercier, Francoise Maheu, Jorge Marin, Darwin Cortes, Juan Miguel Gallego, Dario Maldonado
Article
Engineering, Biomedical
A. Morales Pinzon, M. Orkisz, J. -C. Richard, M. Hernandez Hoyos
Article
Psychology, Developmental
Stephanie Ropars, Rejean Tessier, Nathalie Charpak, Luis Felipe Uriza
DEVELOPMENTAL NEUROPSYCHOLOGY
(2018)
Article
Neurosciences
Juan Carlos Puentes, Silvia Tatiana Quintero, Luis Felipe Uriza, Maria Alejandra Rueda, Adriana Piedrahita, Victor Contreras
Article
Computer Science, Artificial Intelligence
K. Hameeteman, M. A. Zuluaga, M. Freiman, L. Joskowicz, O. Cuisenaire, L. Florez Valencia, M. A. Guelsuen, K. Krissian, J. Mille, W. C. K. Wong, M. Orkisz, H. Tek, M. Hernandez Hoyos, F. Benmansour, A. C. S. Chung, S. Rozie, M. van Gils, L. van den Borne, J. Sosna, P. Berman, N. Cohen, P. C. Douek, I. Sanchez, M. Aissat, M. Schaap, C. T. Metz, G. P. Krestin, A. van der Lugt, W. J. Niessen, T. van Walsum
MEDICAL IMAGE ANALYSIS
(2011)
Article
Astronomy & Astrophysics
Catalina Gomez, Mauricio Neira, Marcela Hernandez Hoyos, Pablo Arbelaez, Jaime E. Forero-Romero
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
(2020)
Article
Dentistry, Oral Surgery & Medicine
Juliana Velosa-Porras, Francina M. E. Arregoces, Catalina L. Uriza, Alvaro J. Ruiz
Summary: This study analyzed the relationship of endothelial dysfunction measured by flow-mediated vasodilation in the brachial artery with periodontal disease and other possible factors. Result showed that initial and final arterial vasodilation was lower in women than in men, and there were more cases of endothelial dysfunction in women.
OPEN DENTISTRY JOURNAL
(2021)
Article
Computer Science, Cybernetics
Francisco Buitrago-Florez, Mario Sanchez, Vanessa Perez Romanello, Carola Hernandez, Marcela Hernandez Hoyos
Summary: This paper aims to share the experiences obtained through the assessment and redesign of a large enrollment programming course, as well as the development of a systematic approach for course design/redesign. The findings show that using this approach can improve the curriculum of engineering and science courses, as well as enhance negotiation processes within higher education institutions.
Article
Astronomy & Astrophysics
Mauricio Neira, Catalina Gomez, John F. Suarez-Perez, Diego A. Gomez, Juan Pablo Reyes, Marcela Hernandez Hoyos, Pablo Arbelaez, Jaime E. Forero-Romero
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
(2020)
Article
Clinical Neurology
A. J. Ruiz, Martin Alonso Rondon Sepulveda, Patricia Hidalgo Martinez, Martin Canon Munoz, Liliana Otero Mendoza, Olga Patricia Panqueva Centanaro, Luis Felipe Uriza Carrasco, Juan Camilo Ospina Garcia
Proceedings Paper
Computer Science, Artificial Intelligence
Maria A. Zuluaga, Marcela Hernandez Hoyos, Julio C. Davila, Luis F. Uriza, Maciej Orkisz
COMPUTER VISION AND GRAPHICS
(2012)
Proceedings Paper
Computer Science, Theory & Methods
Maria A. Zuluaga, Don Hush, Edgar J. F. Delgado Leyton, Marcela Hernandez Hoyos, Maciej Orkisz
MEDICAL IMAGE COMPUTING AND COMPUTER-ASSISTED INTERVENTION, MICCAI 2011, PT III
(2011)
Article
Biology
Seyyed Bahram Borgheai, Alyssa Hillary Zisk, John McLinden, James Mcintyre, Reza Sadjadi, Yalda Shahriari
Summary: This study proposed a novel personalized scheme using fNIRS and EEG as the main tools to predict and compensate for the variability in BCI systems, especially for individuals with severe motor deficits. By establishing predictive models, it was found that there were significant associations between the predicted performances and the actual performances.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Hongliang Guo, Hanbo Liu, Ahong Zhu, Mingyang Li, Helong Yu, Yun Zhu, Xiaoxiao Chen, Yujia Xu, Lianxing Gao, Qiongying Zhang, Yangping Shentu
Summary: In this paper, a BDSMA-based image segmentation method is proposed, which improves the limitations of the original algorithm by combining SMA with DE and introducing a cooperative mixing model. The experimental results demonstrate the superiority of this method in terms of convergence speed and precision compared to other methods, and its successful application to brain tumor medical images.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Jingfei Hu, Linwei Qiu, Hua Wang, Jicong Zhang
Summary: This study proposes a novel semi-supervised point consistency network (SPC-Net) for retinal artery/vein (A/V) classification, addressing the challenges of specific tubular structures and limited well-labeled data in CNN-based approaches. The SPC-Net combines an AVC module and an MPC module, and introduces point set representations and consistency regularization to improve the accuracy of A/V classification.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Omair Ali, Muhammad Saif-ur-Rehman, Tobias Glasmachers, Ioannis Iossifidis, Christian Klaes
Summary: This study introduces a novel hybrid model called ConTraNet, which combines the strengths of CNN and Transformer neural networks, and achieves significant improvement in classification performance with limited training data.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Juan Antonio Valera-Calero, Dario Lopez-Zanoni, Sandra Sanchez-Jorge, Cesar Fernandez-de-las-Penas, Marcos Jose Navarro-Santana, Sofia Olivia Calvo-Moreno, Gustavo Plaza-Manzano
Summary: This study developed an easy-to-use application for assessing the diagnostic accuracy of digital pain drawings (PDs) compared to the classic paper-and-pencil method. The results demonstrated that digital PDs have higher reliability and accuracy compared to paper-and-pencil PDs, and there were no significant differences in assessing pain extent between the two methods. The PAIN EXTENT app showed good convergent validity.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Biao Qu, Jialue Zhang, Taishan Kang, Jianzhong Lin, Meijin Lin, Huajun She, Qingxia Wu, Meiyun Wang, Gaofeng Zheng
Summary: This study proposes a deep unrolled neural network, pFISTA-DR, for radial MRI image reconstruction, which successfully preserves image details using a preprocessing module, learnable convolution filters, and adaptive threshold.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Alireza Rafiei, Milad Ghiasi Rad, Andrea Sikora, Rishikesan Kamaleswaran
Summary: This study aimed to improve machine learning model prediction of fluid overload by integrating synthetic data, which could be translated to other clinical outcomes.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Jinlian Ma, Dexing Kong, Fa Wu, Lingyun Bao, Jing Yuan, Yusheng Liu
Summary: In this study, a new method based on MDenseNet is proposed for automatic segmentation of nodular lesions from ultrasound images. Experimental results demonstrate that the proposed method can accurately extract multiple nodules from thyroid and breast ultrasound images, with good accuracy and reproducibility, and it shows great potential in other clinical segmentation tasks.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Jiabao Sheng, SaiKit Lam, Jiang Zhang, Yuanpeng Zhang, Jing Cai
Summary: Omics fusion is an important preprocessing approach in medical image processing that assists in various studies. This study aims to develop a fusion methodology for predicting distant metastasis in nasopharyngeal carcinoma by mitigating the disparities in omics data and utilizing a label-softening technique and a multi-kernel-based neural network.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Zhenxiang Xiao, Liang He, Boyu Zhao, Mingxin Jiang, Wei Mao, Yuzhong Chen, Tuo Zhang, Xintao Hu, Tianming Liu, Xi Jiang
Summary: This study systematically investigates the functional connectivity characteristics between gyri and sulci in the human brain under naturalistic stimulus, and identifies unique features in these connections. This research provides novel insights into the functional brain mechanism under naturalistic stimulus and lays a solid foundation for accurately mapping the brain anatomy-function relationship.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Qianqian Wang, Mingyu Zhang, Aohan Li, Xiaojun Yao, Yingqing Chen
Summary: The development of PARP-1 inhibitors is crucial for the treatment of various cancers. This study investigates the structural regulation of PARP-1 by different allosteric inhibitors, revealing the basis of allosteric inhibition and providing guidance for the discovery of more innovative PARP-1 inhibitors.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Qing Xu, Wenting Duan
Summary: In this paper, a dual attention supervised module, named DualAttNet, is proposed for multi-label lesion detection in chest radiographs. By efficiently fusing global and local lesion classification information, the module is able to recognize targets with different sizes. Experimental results show that DualAttNet outperforms baselines in terms of mAP and AP50 with different detection architectures.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Kaja Gutowska, Piotr Formanowicz
Summary: The primary aim of this research is to propose algorithms for identifying significant reactions and subprocesses within biological system models constructed using classical Petri nets. These solutions enable two analysis methods: importance analysis for identifying critical individual reactions to the model's functionality and occurrence analysis for finding essential subprocesses. The utility of these methods has been demonstrated through analyses of an example model related to the DNA damage response mechanism. It should be noted that these proposed analyses can be applied to any biological phenomenon represented using the Petri net formalism. The presented analysis methods extend classical Petri net-based analyses, enhancing our comprehension of the investigated biological phenomena and aiding in the identification of potential molecular targets for drugs.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Hansle Gwon, Imjin Ahn, Yunha Kim, Hee Jun Kang, Hyeram Seo, Heejung Choi, Ha Na Cho, Minkyoung Kim, Jiye Han, Gaeun Kee, Seohyun Park, Kye Hwa Lee, Tae Joon Jun, Young-Hak Kim
Summary: Electronic medical records have potential in advancing healthcare technologies, but privacy issues hinder their full utilization. Deep learning-based generative models can mitigate this problem by creating synthetic data similar to real patient data. However, the risk of data leakage due to malicious attacks poses a challenge to traditional generative models. To address this, we propose a method that employs local differential privacy (LDP) to protect the model from attacks and preserve the privacy of training data, while generating medical data with reasonable performance.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)
Article
Biology
Siwei Tao, Zonghan Tian, Ling Bai, Yueshu Xu, Cuifang Kuang, Xu Liu
Summary: This study proposes a transfer learning-based method to address the phase retrieval problem in grating-based X-ray phase contrast imaging. By generating a training dataset and using deep learning techniques, this method improves image quality and can be applied to X-ray 2D and 3D imaging.
COMPUTERS IN BIOLOGY AND MEDICINE
(2024)