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An important part of many machine learning workflows on graphs is vertex representation learning, i.e., learning a low-dimensional vector representation for each vertex in the graph. Recently, several powerful techniques for unsupervised…

机器学习 · 计算机科学 2019-01-23 Hooman Peiro Sajjad , Andrew Docherty , Yuriy Tyshetskiy

Most video-and-language representation learning approaches employ contrastive learning, e.g., CLIP, to project the video and text features into a common latent space according to the semantic similarities of text-video pairs. However, such…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Peng Jin , Jinfa Huang , Fenglin Liu , Xian Wu , Shen Ge , Guoli Song , David A. Clifton , Jie Chen

Graph representation learning (also known as network embedding) has been extensively researched with varying levels of granularity, ranging from nodes to graphs. While most prior work in this area focuses on node-level representation,…

机器学习 · 计算机科学 2023-06-05 Lili Wang , Chenghan Huang , Weicheng Ma , Xinyuan Cao , Soroush Vosoughi

Scene understanding includes many related sub-tasks, such as scene categorization, depth estimation, object detection, etc. Each of these sub-tasks is often notoriously hard, and state-of-the-art classifiers already exist for many of them.…

计算机视觉与模式识别 · 计算机科学 2011-10-25 Congcong Li , Adarsh Kowdle , Ashutosh Saxena , Tsuhan Chen

Patient similarity assessment, which identifies patients similar to a given patient, can help improve medical care. The assessment can be performed using Electronic Medical Records (EMRs). Patient similarity measurement requires converting…

信息检索 · 计算机科学 2022-09-20 Hoda Memarzadeh , Nasser Ghadiri , Matthias Samwald , Maryam Lotfi Shahreza

We propose a novel video object segmentation algorithm based on pixel-level matching using Convolutional Neural Networks (CNN). Our network aims to distinguish the target area from the background on the basis of the pixel-level similarity…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Jae Shin Yoon , Francois Rameau , Junsik Kim , Seokju Lee , Seunghak Shin , In So Kweon

Electrocardiogram (ECG) signal is the most commonly used non-invasive tool in the assessment of cardiovascular diseases. Segmentation of the ECG signal to locate its constitutive waves, in particular the R-peaks, is a key step in ECG…

信号处理 · 电气工程与系统科学 2020-04-29 Atiyeh Fotoohinasab , Toby Hocking , Fatemeh Afghah

Face parsing infers a pixel-wise label to each facial component, which has drawn much attention recently. Previous methods have shown their efficiency in face parsing, which however overlook the correlation among different face regions. The…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Gusi Te , Yinglu Liu , Wei Hu , Hailin Shi , Tao Mei

Cardiac motion estimation and segmentation play important roles in quantitatively assessing cardiac function and diagnosing cardiovascular diseases. In this paper, we propose a novel deep learning method for joint estimation of motion and…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Chen Qin , Wenjia Bai , Jo Schlemper , Steffen E. Petersen , Stefan K. Piechnik , Stefan Neubauer , Daniel Rueckert

Cardiovascular disease is a large worldwide healthcare issue; symptoms often present suddenly with minimal warning. The electrocardiogram (ECG) is a fast, simple and reliable method of evaluating the health of the heart, by measuring…

信号处理 · 电气工程与系统科学 2022-01-15 Yola Jones , Fani Deligianni , Jeff Dalton

We present Graph Attention Collaborative Similarity Embedding (GACSE), a new recommendation framework that exploits collaborative information in the user-item bipartite graph for representation learning. Our framework consists of two parts:…

信息检索 · 计算机科学 2021-02-08 Jinbo Song , Chao Chang , Fei Sun , Zhenyang Chen , Guoyong Hu , Peng Jiang

Decoding visual information from electroencephalography (EEG) signals remains a fundamental challenge in brain-computer interfaces and medical rehabilitation. Existing EEG visual decoding methods mainly focus on learning a single global EEG…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Xiang Gao , Hui Tian , Yanming Zhu , Xuefei Yin , Alan Wee-Chung Liew

Generative recommendation models often struggle with two key challenges: (1) the superficial integration of collaborative signals, and (2) the decoupled fusion of multimodal features. These limitations hinder the creation of a truly…

信息检索 · 计算机科学 2025-12-29 Yuzhen Lin , Hongyi Chen , Xuanjing Chen , Shaowen Wang , Ivonne Xu , Dongming Jiang

In this paper, we propose a learning-based image fragment pair-searching and -matching approach to solve the challenging restoration problem. Existing works use rule-based methods to match similar contour shapes or textures, which are…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Rixin Zhou , Ding Xia , Yi Zhang , Honglin Pang , Xi Yang , Chuntao Li

$\textit{Implicit neural representations}$ (INRs) aim to learn a $\textit{continuous function}$ (i.e., a neural network) to represent an image, where the input and output of the function are pixel coordinates and RGB/Gray values,…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Ke Liu , Feng Liu , Haishuai Wang , Ning Ma , Jiajun Bu , Bo Han

The challenge of object categorization in images is largely due to arbitrary translations and scales of the foreground objects. To attack this difficulty, we propose a new approach called collaborative receptive field learning to extract…

计算机视觉与模式识别 · 计算机科学 2014-02-04 Shu Kong , Zhuolin Jiang , Qiang Yang

We present a novel graph-based learning of EEG representations with gradient alignment (GEEGA) that leverages multi-domain information to learn EEG representations for brain-computer interfaces. Our model leverages graph convolutional…

人机交互 · 计算机科学 2025-12-09 Prithila Angkan , Amin Jalali , Paul Hungler , Ali Etemad

Matched layers are commonly used in numerical simulations of wave propagation to model (semi-)infinite domains. Attenuation functions describe the damping in layers, and provide a matching of the wave impedance at the interface between the…

计算工程、金融与科学 · 计算机科学 2016-02-01 Steven Vandekerckhove , Garth N. Wells , Herbert De Gersem , Koen Van Den Abeele

This paper introduces the Partition Tree Weighting technique, an efficient meta-algorithm for piecewise stationary sources. The technique works by performing Bayesian model averaging over a large class of possible partitions of the data…

信息论 · 计算机科学 2012-11-22 Joel Veness , Martha White , Michael Bowling , András György

Deep learning models have shown promise in EEG-based outcome prediction for comatose patients after cardiac arrest, but their reliability is often compromised by subtle forms of data leakage. In particular, when long EEG recordings are…

机器学习 · 计算机科学 2026-03-30 Yixin Zhou , Zhixiang Liu , Vladimir I. Zadorozhny , Jonathan Elmer