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4,769 Results Found

  • Article
  • Open Access
1 Citations
1,891 Views
24 Pages

Local Contrast Learning for One-Shot Learning

  • Yang Zhang,
  • Xinghai Yuan,
  • Ling Luo,
  • Yulu Yang,
  • Shihao Zhang and
  • Chuanyun Xu

15 June 2024

Learning a deep model from small data is an opening and challenging problem. In high-dimensional spaces, few samples only occupy an extremely small portion of the space, often exhibiting sparsity issues. Classifying in this globally sparse sample spa...

  • Article
  • Open Access
2 Citations
1,942 Views
21 Pages

Disconnector Fault Diagnosis Based on Multi-Granularity Contrast Learning

  • Qian Xie,
  • Haiyi Tang,
  • Baize Liu,
  • Hui Li,
  • Zhe Wang and
  • Jian Dang

14 October 2023

Most disconnector fault diagnosis methods have high accuracy in model training. However, it is a challenging task to maintain high accuracy, a faster diagnosis speed, and less computation in practical situations. In this paper, we propose a multi-gra...

  • Article
  • Open Access
2 Citations
1,148 Views
14 Pages

11 April 2025

With the explosion of information, the amount of text data has increased significantly, making text categorization a central area of research in natural language processing (NLP). Traditional machine learning methods are effective, but deep learning...

  • Article
  • Open Access
19 Citations
3,956 Views
16 Pages

Deep Contrast Learning Approach for Address Semantic Matching

  • Jian Chen,
  • Jianpeng Chen,
  • Xiangrong She,
  • Jian Mao and
  • Gang Chen

19 August 2021

Address is a structured description used to identify a specific place or point of interest, and it provides an effective way to locate people or objects. The standardization of Chinese place name and address occupies an important position in the cons...

  • Article
  • Open Access
8 Citations
2,334 Views
15 Pages

Spectrum Sensing Algorithm Based on Self-Supervised Contrast Learning

  • Xinyu Li,
  • Zhijin Zhao,
  • Yupei Zhang,
  • Shilian Zheng and
  • Shaogang Dai

The traditional spectrum sensing algorithm based on deep learning requires a large number of labeled samples for model training, but it is difficult to obtain them in the actual sensing scene. This paper applies self-supervised contrast learning in o...

  • Article
  • Open Access
4,582 Views
28 Pages

Machine Learning Platform for Disease Diagnosis with Contrast CT Scans

  • Jennifer Jin,
  • Mira Kim,
  • Soo Dong Kim and
  • Daniel Jin

3 September 2024

Machine learning has gained significant recognition as a powerful approach for medical diagnosis using medical images. Among various medical imaging modalities, contrast-enhanced CT (CECT) is utilized to obtain additional diagnostic information that...

  • Article
  • Open Access
382 Views
18 Pages

3D Local Feature Learning and Analysis on Point Cloud Parts via Momentum Contrast

  • Xuanmeng Sha,
  • Tomohiro Mashita,
  • Naoya Chiba and
  • Liyun Zhang

3 February 2026

Self-supervised contrastive learning has demonstrated remarkable effectiveness in learning visual representations without labeled data, yet its application to 3D local feature learning from point clouds remains underexplored. Existing methods predomi...

  • Article
  • Open Access
21 Citations
2,932 Views
14 Pages

Specific Emitter Identification Based on Self-Supervised Contrast Learning

  • Bo Liu,
  • Hongyi Yu,
  • Jianping Du,
  • You Wu,
  • Yongbin Li,
  • Zhaorui Zhu and
  • Zhenyu Wang

14 September 2022

The current deep learning (DL)-based Specific Emitter Identification (SEI) methods rely heavily on the training of massive labeled data during the training process. However, the lack of labeled data in a real application would lead to a decrease in t...

  • Article
  • Open Access
2,165 Views
17 Pages

29 September 2024

Event detection is a crucial task in information extraction. Existing research primarily focuses on machine automatic detection tasks, which often perform poorly in certain practical applications. To address this, an interactive event-detection mode...

  • Article
  • Open Access
3 Citations
3,589 Views
19 Pages

15 September 2022

Unsupervised person re-identification has attracted a lot of attention due to its strong potential to adapt to new environments without manual annotation, but learning to recognise features in disjoint camera views without annotation is still challen...

  • Article
  • Open Access
16 Citations
2,822 Views
14 Pages

25 April 2022

The rapid development of artificial intelligence offers more opportunities for intelligent mechanical diagnosis. Fault diagnosis of wind turbines is beneficial to improve the reliability of wind turbines. Due to various reasons, such as difficulty in...

  • Article
  • Open Access
2 Citations
1,460 Views
22 Pages

10 February 2025

Burn injuries are a common traumatic condition, and the early diagnosis of burn depth is crucial for reducing treatment costs and improving survival rates. In recent years, image-based deep learning techniques have been utilized to realize the automa...

  • Article
  • Open Access
556 Views
17 Pages

Objectives: Breast cancer is one of the most common malignant tumors among women worldwide, and accurate assessment of axillary lymph node metastasis (ALNM) is crucial for determining treatment strategies. Compared to conventional ultrasound, contras...

  • Article
  • Open Access
546 Views
21 Pages

Enhancement Without Contrast: Stability-Aware Multicenter Machine Learning for Glioma MRI Imaging

  • Sajad Amiri,
  • Shahram Taeb,
  • Sara Gharibi,
  • Setareh Dehghanfard,
  • Somayeh Sadat Mehrnia,
  • Mehrdad Oveisi,
  • Ilker Hacihaliloglu,
  • Arman Rahmim and
  • Mohammad R. Salmanpour

Gadolinium-based contrast agents (GBCAs) are vital for glioma imaging yet pose safety, cost, and accessibility issues; predicting contrast enhancement from non-contrast MRI via machine learning (ML) provides a safer, economical alternative, as enhanc...

  • Article
  • Open Access
1 Citations
726 Views
22 Pages

8 October 2025

Background: Autism spectrum disorder (ASD) is a neurodevelopmental condition characterized by significant neurological plasticity in early childhood, where timely interventions like behavioral therapy, language training, and social skills development...

  • Article
  • Open Access
4 Citations
2,233 Views
12 Pages

Detection of Aortic Dissection and Intramural Hematoma in Non-Contrast Chest Computed Tomography Using a You Only Look Once-Based Deep Learning Model

  • Yu-Seop Kim,
  • Jae Guk Kim,
  • Hyun Young Choi,
  • Dain Lee,
  • Jin-Woo Kong,
  • Gu Hyun Kang,
  • Yong Soo Jang,
  • Wonhee Kim,
  • Yoonje Lee and
  • Bitnarae Kim
  • + 4 authors

14 November 2024

Background/Objectives: Aortic dissection (AD) and aortic intramural hematoma (IMH) are fatal diseases with similar clinical characteristics. Immediate computed tomography (CT) with a contrast medium is required to confirm the presence of AD or IMH. T...

  • Article
  • Open Access
6 Citations
2,732 Views
13 Pages

Contrast-Enhancing Lesion Segmentation in Multiple Sclerosis: A Deep Learning Approach Validated in a Multicentric Cohort

  • Martina Greselin,
  • Po-Jui Lu,
  • Lester Melie-Garcia,
  • Mario Ocampo-Pineda,
  • Riccardo Galbusera,
  • Alessandro Cagol,
  • Matthias Weigel,
  • Nina de Oliveira Siebenborn,
  • Esther Ruberte and
  • Cristina Granziera
  • + 28 authors

The detection of contrast-enhancing lesions (CELs) is fundamental for the diagnosis and monitoring of patients with multiple sclerosis (MS). This task is time-consuming and suffers from high intra- and inter-rater variability in clinical practice. Ho...

  • Article
  • Open Access
24 Citations
6,855 Views
15 Pages

Deep Learning Assisted Localization of Polycystic Kidney on Contrast-Enhanced CT Images

  • Djeane Debora Onthoni,
  • Ting-Wen Sheng,
  • Prasan Kumar Sahoo,
  • Li-Jen Wang and
  • Pushpanjali Gupta

21 December 2020

Total Kidney Volume (TKV) is essential for analyzing the progressive loss of renal function in Autosomal Dominant Polycystic Kidney Disease (ADPKD). Conventionally, to measure TKV from medical images, a radiologist needs to localize and segment the k...

  • Article
  • Open Access
12 Citations
3,371 Views
12 Pages

Predicting the Efficacy of Neoadjuvant Chemotherapy for Pancreatic Cancer Using Deep Learning of Contrast-Enhanced Ultrasound Videos

  • Yuming Shao,
  • Yingnan Dang,
  • Yuejuan Cheng,
  • Yang Gui,
  • Xueqi Chen,
  • Tianjiao Chen,
  • Yan Zeng,
  • Li Tan,
  • Jing Zhang and
  • Zhuhuang Zhou
  • + 3 authors

Contrast-enhanced ultrasound (CEUS) is a promising imaging modality in predicting the efficacy of neoadjuvant chemotherapy for pancreatic cancer, a tumor with high mortality. In this study, we proposed a deep-learning-based strategy for analyzing CEU...

  • Article
  • Open Access
4 Citations
2,027 Views
19 Pages

19 September 2023

In order to automate defect detection with few samples using unsupervised learning, this paper, considering materials commonly used in aircraft, proposes a phased array ultrasonic detection defect identification method using non-defect samples for tr...

  • Article
  • Open Access
27 Citations
4,168 Views
16 Pages

MVI-TR: A Transformer-Based Deep Learning Model with Contrast-Enhanced CT for Preoperative Prediction of Microvascular Invasion in Hepatocellular Carcinoma

  • Linping Cao,
  • Qing Wang,
  • Jiawei Hong,
  • Yuzhe Han,
  • Weichen Zhang,
  • Xun Zhong,
  • Yongqian Che,
  • Yaqi Ma,
  • Keyi Du and
  • Kewei Liang
  • + 3 authors

28 February 2023

In this study, we considered preoperative prediction of microvascular invasion (MVI) status with deep learning (DL) models for patients with early-stage hepatocellular carcinoma (HCC) (tumor size ≤ 5 cm). Two types of DL models based only on venou...

  • Article
  • Open Access
8 Citations
3,016 Views
12 Pages

A Workflow for Computer-Aided Evaluation of Keloid Based on Laser Speckle Contrast Imaging and Deep Learning

  • Shuo Li,
  • He Wang,
  • Yiding Xiao,
  • Mingzi Zhang,
  • Nanze Yu,
  • Ang Zeng and
  • Xiaojun Wang

16 June 2022

A keloid results from abnormal wound healing, which has different blood perfusion and growth states among patients. Active monitoring and treatment of actively growing keloids at the initial stage can effectively inhibit keloid enlargement and has im...

  • Article
  • Open Access
3 Citations
3,519 Views
40 Pages

13 August 2024

In recent years, contrastive learning has been a highly favored method for self-supervised representation learning, which significantly improves the unsupervised training of deep image models. Self-supervised learning is a subset of unsupervised lear...

  • Article
  • Open Access
7 Citations
2,910 Views
14 Pages

An Automated Method for Classifying Liver Lesions in Contrast-Enhanced Ultrasound Imaging Based on Deep Learning Algorithms

  • Mădălin Mămuleanu,
  • Cristiana Marinela Urhuț,
  • Larisa Daniela Săndulescu,
  • Constantin Kamal,
  • Ana-Maria Pătrașcu,
  • Alin Gabriel Ionescu,
  • Mircea-Sebastian Șerbănescu and
  • Costin Teodor Streba

Background: Contrast-enhanced ultrasound (CEUS) is an important imaging modality in the diagnosis of liver tumors. By using contrast agent, a more detailed image is obtained. Time-intensity curves (TIC) can be extracted using a specialized software,...

  • Article
  • Open Access
2 Citations
1,375 Views
10 Pages

13 September 2025

Background/Objectives: This study aimed to assess the impact of a deep learning-based iodine contrast augmentation (DLCA) algorithm on image quality and diagnostic performance for pulmonary embolism (PE) detection in suboptimally enhanced CT pulmonar...

  • Article
  • Open Access
2 Citations
3,999 Views
15 Pages

Fully Automated Assessment of Cardiac Chamber Volumes and Myocardial Mass on Non-Contrast Chest CT with a Deep Learning Model: Validation Against Cardiac MR

  • Ramona Schmitt,
  • Christopher L. Schlett,
  • Jonathan I. Sperl,
  • Saikiran Rapaka,
  • Athira J. Jacob,
  • Manuel Hein,
  • Muhammad Taha Hagar,
  • Philipp Ruile,
  • Dirk Westermann and
  • Christopher Schuppert
  • + 2 authors

21 December 2024

Background: To validate the automated quantification of cardiac chamber volumes and myocardial mass on non-contrast chest CT using cardiac MR (CMR) as a reference. Methods: We retrospectively included 53 consecutive patients who received non-contrast...

  • Article
  • Open Access
695 Views
23 Pages

Contrast-Enhanced Mammography and Deep Learning-Derived Malignancy Scoring in Breast Cancer Molecular Subtype Assessment

  • Antonia O. Ferenčaba,
  • Dora Galić,
  • Gordana Ivanac,
  • Kristina Kralik,
  • Martina Smolić,
  • Justinija Steiner,
  • Ivo Pedišić and
  • Kristina Bojanic

5 January 2026

Background and Objectives: Contrast-enhanced mammography (CEM) provides both morphological and functional information and may reflect breast cancer biology similarly to Magnetic Resonance Imaging (MRI). Materials and Methods: This single-center retro...

  • Article
  • Open Access
1,797 Views
16 Pages

Multiplex Graph Contrastive Learning with Soft Negatives

  • Zhenhao Zhao,
  • Minhong Zhu,
  • Chen Wang,
  • Sijia Wang,
  • Jiqiang Zhang,
  • Li Chen and
  • Weiran Cai

Graph Contrastive Learning (GCL) seeks to learn nodal or graph representations that contain maximal consistent information from graph-structured data. While node-level contrasting modes are dominating, some efforts have commenced to explore consisten...

  • Feature Paper
  • Review
  • Open Access
1,388 Citations
69,524 Views
22 Pages

A Survey on Contrastive Self-Supervised Learning

  • Ashish Jaiswal,
  • Ashwin Ramesh Babu,
  • Mohammad Zaki Zadeh,
  • Debapriya Banerjee and
  • Fillia Makedon

Self-supervised learning has gained popularity because of its ability to avoid the cost of annotating large-scale datasets. It is capable of adopting self-defined pseudolabels as supervision and use the learned representations for several downstream...

  • Article
  • Open Access
1 Citations
2,573 Views
13 Pages

Asymmetric Graph Contrastive Learning

  • Xinglong Chang,
  • Jianrong Wang,
  • Rui Guo,
  • Yingkui Wang and
  • Weihao Li

31 October 2023

Learning effective graph representations in an unsupervised manner is a popular research topic in graph data analysis. Recently, contrastive learning has shown its success in unsupervised graph representation learning. However, how to avoid collapsin...

  • Article
  • Open Access
1 Citations
1,489 Views
20 Pages

Objectives: Differentiation of hyperdense areas on non-contrast computed tomography (NCCT) images as hemorrhagic transformation (HT) and contrast accumulation (CA) after endovascular thrombectomy (EVT) in acute ischemic stroke (AIS) patients are crit...

  • Article
  • Open Access
1 Citations
2,193 Views
18 Pages

Prototypical Graph Contrastive Learning for Recommendation

  • Tao Wei,
  • Changchun Yang and
  • Yanqi Zheng

13 February 2025

Data sparsity caused by limited interactions makes it challenging for recommendation to accurately capture user preferences. Contrastive learning effectively alleviates this issue by enriching embedding information through the learning of diverse con...

  • Article
  • Open Access
1,054 Views
14 Pages

Optimizing Contrastive Learning with Semi-Online Triplet Mining

  • Przemysław Buczkowski,
  • Marek Kozłowski and
  • Piotr Brzeziński

14 July 2025

Contrastive learning is a machine learning technique in which models learn by contrasting similar and dissimilar data points. Its goal is to learn a representation of data in such a way that similar instances are close together in the representation...

  • Article
  • Open Access
1 Citations
1,848 Views
21 Pages

A Learning Resource Recommendation Method Based on Graph Contrastive Learning

  • Jiu Yong,
  • Jianguo Wei,
  • Xiaomei Lei,
  • Jianwu Dang,
  • Wenhuan Lu and
  • Meijuan Cheng

The existing learning resource recommendation systems suffer from data sparsity and missing data labels, leading to the insufficient mining of the correlation between users and courses. To address these issues, we propose a learning resource recommen...

  • Article
  • Open Access
6 Citations
3,731 Views
16 Pages

Graph Clustering with High-Order Contrastive Learning

  • Wang Li,
  • En Zhu,
  • Siwei Wang and
  • Xifeng Guo

10 October 2023

Graph clustering is a fundamental and challenging task in unsupervised learning. It has achieved great progress due to contrastive learning. However, we find that there are two problems that need to be addressed: (1) The augmentations in most graph c...

  • Article
  • Open Access
483 Views
20 Pages

Machine Learning-Based Prediction and Feature Attribution Analysis of Contrast-Associated Acute Kidney Injury in Patients with Acute Myocardial Infarction

  • Neriman Sıla Koç,
  • Can Ozan Ulusoy,
  • Berrak Itır Aylı,
  • Yusuf Bozkurt Şahin,
  • Veysel Ozan Tanık,
  • Arzu Akgül and
  • Ekrem Kara

22 January 2026

Background and Objectives: Contrast-associated acute kidney injury (CA-AKI) is a frequent and clinically significant complication in patients with acute myocardial infarction (AMI) undergoing coronary angiography. Early and accurate risk stratificati...

  • Article
  • Open Access
478 Views
16 Pages

Simulation-Driven Annotation-Free Deep Learning for Automated Detection and Segmentation of Airway Mucus Plugs on Non-Contrast CT Images

  • Lucy Pu,
  • Naciye Sinem Gezer,
  • Tong Yu,
  • Zehavit Kirshenboim,
  • Emrah Duman,
  • Rajeev Dhupar and
  • Xin Meng

Mucus plugs are airway-obstructing accumulations of inspissated secretions frequently observed in obstructive lung diseases (OLDs), including chronic obstructive pulmonary disease (COPD), severe asthma, and cystic fibrosis. Their presence on chest CT...

  • Article
  • Open Access
8 Citations
3,010 Views
21 Pages

As one of the most important components in rotating machinery, if bearings fail, serious disasters may occur. Therefore, the remaining useful life (RUL) prediction of bearings is of great significance. Health indicator (HI) construction and early fau...

  • Systematic Review
  • Open Access
9 Citations
7,044 Views
29 Pages

25 March 2025

The semantic segmentation (SS) of low-contrast images (LCIs) remains a significant challenge in computer vision, particularly for sensor-driven applications like medical imaging, autonomous navigation, and industrial defect detection, where accurate...

  • Article
  • Open Access
2 Citations
1,912 Views
17 Pages

Grouped Contrastive Learning of Self-Supervised Sentence Representation

  • Qian Wang,
  • Weiqi Zhang,
  • Tianyi Lei and
  • Dezhong Peng

31 August 2023

This paper proposes a method called Grouped Contrastive Learning of self-supervised Sentence Representation (GCLSR), which can learn an effective and meaningful representation of sentences. Previous works maximize the similarity between two vectors t...

  • Review
  • Open Access
126 Citations
19,822 Views
22 Pages

14 April 2022

Although deep learning algorithms have achieved significant progress in a variety of domains, they require costly annotations on huge datasets. Self-supervised learning (SSL) using unlabeled data has emerged as an alternative, as it eliminates manual...

  • Article
  • Open Access
5 Citations
3,386 Views
16 Pages

CL3: Generalization of Contrastive Loss for Lifelong Learning

  • Kaushik Roy,
  • Christian Simon,
  • Peyman Moghadam and
  • Mehrtash Harandi

23 November 2023

Lifelong learning portrays learning gradually in nonstationary environments and emulates the process of human learning, which is efficient, robust, and able to learn new concepts incrementally from sequential experience. To equip neural networks with...

  • Systematic Review
  • Open Access
14 Citations
7,138 Views
27 Pages

30 March 2025

Background: Intracranial hemorrhage (ICH) is a life-threatening medical condition that needs early detection and treatment. In this systematic review and meta-analysis, we aimed to update our knowledge of the performance of deep learning (DL) models...

  • Article
  • Open Access
2 Citations
2,532 Views
28 Pages

13 January 2025

Generating high-quality programming exercises with well-aligned problem descriptions, test cases, and code solutions is crucial for computer science education. However, current methods often lack coherence among these components, reducing their educa...

  • Article
  • Open Access
3 Citations
2,852 Views
12 Pages

13 March 2023

Font is a crucial design aspect, however, classifying fonts is challenging compared with that of other natural objects, as fonts differ from images. This paper presents the application of contrastive learning in font style classification. We conducte...

  • Article
  • Open Access
6 Citations
4,469 Views
23 Pages

Continual Contrastive Learning for Cross-Dataset Scene Classification

  • Rui Peng,
  • Wenzhi Zhao,
  • Kaiyuan Li,
  • Fengcheng Ji and
  • Caixia Rong

12 October 2022

With the development of remote sensing technology, the continuing accumulation of remote sensing data has brought great challenges to the remote sensing field. Although multiple deep-learning-based classification methods have made great progress in s...

  • Article
  • Open Access
1 Citations
3,060 Views
26 Pages

21 July 2024

To address the limitations of existing graph contrastive learning methods, which fail to adaptively integrate feature and topological information and struggle to efficiently capture multi-hop information, we propose an adaptive multi-view parallel gr...

  • Article
  • Open Access
9 Citations
4,501 Views
19 Pages

Multimodal sentiment analysis (MSA) has attracted more and more attention in recent years. This paper focuses on the representation learning of multimodal data to reach higher prediction results. We propose a model to assist in learning modality repr...

  • Proceeding Paper
  • Open Access
3 Citations
6,689 Views
27 Pages

The Details Matter: Preventing Class Collapse in Supervised Contrastive Learning

  • Daniel Y. Fu,
  • Mayee F. Chen,
  • Michael Zhang,
  • Kayvon Fatahalian and
  • Christopher Ré

Supervised contrastive learning optimizes a loss that pushes together embeddings of points from the same class while pulling apart embeddings of points from different classes. Class collapse—when every point from the same class has the same emb...

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