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Convolutional neural networks (CNNs) are highly successful for super-resolution (SR) but often require sophisticated architectures with heavy memory cost and computational overhead, significantly restricts their practical deployments on…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Yanbo Wang , Shaohui Lin , Yanyun Qu , Haiyan Wu , Zhizhong Zhang , Yuan Xie , Angela Yao

Deep learning models are modern tools for spatio-temporal graph (STG) forecasting. Though successful, we argue that data scarcity is a key factor limiting their recent improvements. Meanwhile, contrastive learning has been an effective…

机器学习 · 计算机科学 2022-11-04 Xu Liu , Yuxuan Liang , Chao Huang , Yu Zheng , Bryan Hooi , Roger Zimmermann

Albeit with varying degrees of progress in the field of Semi-Supervised Semantic Segmentation, most of its recent successes are involved in unwieldy models and the lightweight solution is still not yet explored. We find that existing…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Jie Qin , Jie Wu , Ming Li , Xuefeng Xiao , Min Zheng , Xingang Wang

The rich information underlying graphs has inspired further investigation of unsupervised graph representation. Existing studies mainly depend on node features and topological properties within static graphs to create self-supervised…

机器学习 · 计算机科学 2026-05-27 Yiming Xu , Zhen Peng , Bin Shi , Xu Hua , Bo Dong

In the field of intelligent multimedia analysis, ultra-fine-grained visual categorization (Ultra-FGVC) plays a vital role in distinguishing intricate subcategories within broader categories. However, this task is inherently challenging due…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Ziye Fang , Xin Jiang , Hao Tang , Zechao Li

While deep models have shown promising performance in medical image segmentation, they heavily rely on a large amount of well-annotated data, which is difficult to access, especially in clinical practice. On the other hand, high-accuracy…

图像与视频处理 · 电气工程与系统科学 2022-10-20 Ziyuan Zhao , Andong Zhu , Zeng Zeng , Bharadwaj Veeravalli , Cuntai Guan

Advances in self-distillation have shown that when knowledge is distilled from a teacher to a student using the same deep learning (DL) architecture, the student performance can surpass the teacher particularly when the network is…

机器学习 · 计算机科学 2025-06-25 Muhammad Haseeb Aslam , Clara Martinez , Marco Pedersoli , Alessandro Koerich , Ali Etemad , Eric Granger

Stochastic Gradient Descent (SGD) is very useful in optimization problems with high-dimensional non-convex target functions, and hence constitutes an important component of several Machine Learning and Data Analytics methods. Recently there…

分布式、并行与集群计算 · 计算机科学 2019-11-11 Karl Bäckström , Marina Papatriantafilou , Philippas Tsigas

Self-supervised learning makes significant progress in pre-training large models, but struggles with small models. Mainstream solutions to this problem rely mainly on knowledge distillation, which involves a two-stage procedure: first…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Shuai Zhao , Linchao Zhu , Xiaohan Wang , Yi Yang

In this paper, we study the problem of unsupervised graph representation learning by harnessing the control properties of dynamical networks defined on graphs. Our approach introduces a novel framework for contrastive learning, a widely…

机器学习 · 计算机科学 2024-04-19 Obaid Ullah Ahmad , Anwar Said , Mudassir Shabbir , Waseem Abbas , Xenofon Koutsoukos

Graph neural networks (GNNs) have gained considerable attention in recent years for traffic flow prediction due to their ability to learn spatio-temporal pattern representations through a graph-based message-passing framework. Although GNNs…

机器学习 · 计算机科学 2025-03-12 Qianru Zhang , Xinyi Gao , Haixin Wang , Siu-Ming Yiu , Hongzhi Yin

The analysis of physiological processes over time are often given by spectrometric or gene expression profiles over time with only few time points but a large number of measured variables. The analysis of such temporal sequences is…

机器学习 · 计算机科学 2011-10-12 F. -M. Schleif , A. Gisbrecht , B. Hammer

Segmentation of enhancement in LGE cardiac MRI is critical for diagnosing various ischemic and non-ischemic cardiomyopathies. However, creating pixel-level annotations for these images is challenging and labor-intensive, leading to limited…

人工智能 · 计算机科学 2026-03-20 Athira J. Jacob , Puneet Sharma , Daniel Rueckert

Recent advancements in deep learning have shifted the development of brain imaging analysis. However, several challenges remain, such as heterogeneity, individual variations, and the contradiction between the high dimensionality and small…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Yanwu Yang , Hairui Chen , Jiesi Hu , Xutao Guo , Ting Ma

In the realm of Adversarial Distillation (AD), strategic and precise knowledge transfer from an adversarially robust teacher model to a less robust student model is paramount. Our Dynamic Guidance Adversarial Distillation (DGAD) framework…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Hyejin Park , Dongbo Min

Modeling the dynamics of probability distributions from time-dependent data samples is a fundamental problem in many fields, including digital health. The goal is to analyze how the distribution of a biomarker, such as glucose, changes over…

机器学习 · 统计学 2025-09-18 Antonio Álvarez-López , Marcos Matabuena

Graph Neural Networks (GNNs) have achieved promising performance in semi-supervised node classification in recent years. However, the problem of insufficient supervision, together with representation collapse, largely limits the performance…

机器学习 · 计算机科学 2025-03-07 Xihong Yang , Yiqi Wang , Yue Liu , Yi Wen , Lingyuan Meng , Sihang Zhou , Xinwang Liu , En Zhu

Graph similarity learning refers to calculating the similarity score between two graphs, which is required in many realistic applications, such as visual tracking, graph classification, and collaborative filtering. As most of the existing…

机器学习 · 计算机科学 2022-07-13 Di Jin , Luzhi Wang , Yizhen Zheng , Xiang Li , Fei Jiang , Wei Lin , Shirui Pan

Precise and timely forecasting of blood glucose levels is essential for effective diabetes management. While extensive research has been conducted on Type 1 diabetes mellitus, Type 2 diabetes mellitus (T2DM) presents unique challenges due…

计算工程、金融与科学 · 计算机科学 2024-09-12 Yuyang Sun , Panagiotis Kosmas

The pre-training models such as BERT have achieved great results in various natural language processing problems. However, a large number of parameters need significant amounts of memory and the consumption of inference time, which makes it…

计算与语言 · 计算机科学 2020-12-15 Hao Fu , Shaojun Zhou , Qihong Yang , Junjie Tang , Guiquan Liu , Kaikui Liu , Xiaolong Li