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Deep learning models have achieved huge success in numerous fields, such as computer vision and natural language processing. However, unlike such fields, it is hard to apply traditional deep learning models on the graph data due to the…

Machine Learning · Computer Science 2019-10-01 Lin Meng , Jiawei Zhang

Depth perception plays an essential role in the viewer experience for immersive virtual reality (VR) visual environments. However, previous research investigations in the depth quality of 3D/stereoscopic images are rather limited, and in…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Wei Zhou , Zhou Wang

Microscopy image analysis is fundamental for different applications, from diagnosis to synthetic engineering and environmental monitoring. Modern acquisition systems have granted the possibility to acquire an escalating amount of images,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Jacopo Dapueto , Vito Paolo Pastore , Nicoletta Noceti , Francesca Odone

Graph-based fraud detection has heretofore received considerable attention. Owning to the great success of Graph Neural Networks (GNNs), many approaches adopting GNNs for fraud detection has been gaining momentum. However, most existing…

Machine Learning · Computer Science 2022-10-25 Zhixun Li , Dingshuo Chen , Qiang Liu , Shu Wu

Knowledge representation learning has been commonly adopted to incorporate knowledge graph (KG) into various online services. Although existing knowledge representation learning methods have achieved considerable performance improvement,…

Machine Learning · Computer Science 2022-05-18 Binbin Hu , Zhiyang Hu , Zhiqiang Zhang , Jun Zhou , Chuan Shi

Real-world data generation often involves certain geometries (e.g., graphs) that induce instance-level interdependence. This characteristic makes the generalization of learning models more difficult due to the intricate interdependent…

Machine Learning · Computer Science 2024-06-10 Qitian Wu , Fan Nie , Chenxiao Yang , Junchi Yan

While deep learning-based methods for blind face restoration have achieved unprecedented success, they still suffer from two major limitations. First, most of them deteriorate when facing complex degradations out of their training data.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zongsheng Yue , Chen Change Loy

The deep learning revolution has strongly impacted low-level image processing tasks such as style/domain transfer, enhancement/restoration, and visual quality assessments. Despite often being treated separately, the aforementioned tasks…

Image and Video Processing · Electrical Eng. & Systems 2025-08-26 Abhinau K. Venkataramanan , Cosmin Stejerean , Ioannis Katsavounidis , Hassene Tmar , Alan C. Bovik

In this paper, we utilize weight gradients from backpropagation to characterize the representation space learned by deep learning algorithms. We demonstrate the utility of such gradients in applications including perceptual image quality…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Gukyeong Kwon , Mohit Prabhushankar , Dogancan Temel , Ghassan AlRegib

Optical microscopy is one of the most widely used techniques in research studies for life sciences and biomedicine. These applications require reliable experimental pipelines to extract valuable knowledge from the measured samples and must…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Elena Corbetta , Thomas Bocklitz

Existing AGIQA models typically estimate image quality by measuring and aggregating the similarities between image embeddings and text embeddings derived from multi-grade quality descriptions. Although effective, we observe that such…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Zhicheng Liao , Baoliang Chen , Hanwei Zhu , Lingyu Zhu , Shiqi Wang , Weisi Lin

Deep Graph Networks (DGNs) currently dominate the research landscape of learning from graphs, due to their efficiency and ability to implement an adaptive message-passing scheme between the nodes. However, DGNs are typically limited in…

Machine Learning · Computer Science 2023-02-09 Alessio Gravina , Davide Bacciu , Claudio Gallicchio

Objective image quality evaluation is a challenging task, which aims to measure the quality of a given image automatically. According to the availability of the reference images, there are Full-Reference and No-Reference IQA tasks,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Chao Zeng , Sam Kwong

Due to the scarcity of labeled samples in Image Quality Assessment (IQA) datasets, numerous recent studies have proposed multi-task based strategies, which explore feature information from other tasks or domains to boost the IQA task.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Li Yu

Minimum distortion steganography is currently the mainstream method for modification-based steganography. A key issue in this method is how to define steganographic distortion. With the rapid development of deep learning technology, the…

Cryptography and Security · Computer Science 2025-04-22 Xiangkun Wang , Kejiang Chen , Yuang Qi , Ruiheng Liu , Weiming Zhang , Nenghai Yu

Convolutional Neural Network is good at image classification. However, it is found to be vulnerable to image quality degradation. Even a small amount of distortion such as noise or blur can severely hamper the performance of these CNN…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Md Tahmid Hossain , Shyh Wei Teng , Dengsheng Zhang , Suryani Lim , Guojun Lu

Graphs effectively characterize relational data, driving graph representation learning methods that uncover underlying predictive information. As state-of-the-art approaches, Graph Neural Networks (GNNs) enable end-to-end learning for…

Machine Learning · Computer Science 2025-04-24 Mao Wang , Tao Wu , Xingping Xian , Shaojie Qiao , Weina Niu , Canyixing Cui

Current full-reference image quality assessment (FR-IQA) methods often fuse features from reference and distorted images, overlooking that color and luminance distortions occur mainly at low frequencies, whereas edge and texture distortions…

Image and Video Processing · Electrical Eng. & Systems 2024-12-23 Xuekai Wei , Junyu Zhang , Qinlin Hu , Mingliang Zhou\\Yong Feng , Weizhi Xian , Huayan Pu , Sam Kwong

Fine-Grained Image Retrieval~(FGIR) faces challenges in learning discriminative visual representations to retrieve images with similar fine-grained features. Current leading FGIR solutions typically follow two regimes: enforce pairwise…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Xin Jiang , Meiqi Cao , Hao Tang , Fei Shen , Zechao Li

Continuous-time dynamic graphs (CTDGs) are essential for modeling interconnected, evolving systems. Traditional methods for extracting knowledge from these graphs often depend on feature engineering or deep learning. Feature engineering is…

Machine Learning · Computer Science 2024-11-08 Ahmad Naser Eddin , Jacopo Bono , David Aparício , Hugo Ferreira , Pedro Ribeiro , Pedro Bizarro