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Facial expressions play an important role in conveying the emotional states of human beings. Recently, deep learning approaches have been applied to image recognition field due to the discriminative power of Convolutional Neural Network…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Yingruo Fan , Jacqueline C. K. Lam , Victor O. K. Li

An ability to generalize unconstrained conditions such as severe occlusions and large pose variations remains a challenging goal to achieve in face alignment. In this paper, a multistage model based on deep neural networks is proposed which…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Huabin Wang , Rui Cheng , Jian Zhou , Liang Tao , Hon Keung Kwan

Traffic forecasting is a problem of intelligent transportation systems (ITS) and crucial for individuals and public agencies. Therefore, researches pay great attention to deal with the complex spatio-temporal dependencies of traffic system…

Machine Learning · Computer Science 2021-12-07 Yanjun Qin , Yuchen Fang , Haiyong Luo , Fang Zhao , Chenxing Wang

Deep learning-based crowd counting methods have achieved remarkable progress in recent years. However, in complex crowd scenarios, existing models still face challenges when adapting to significant density distribution differences between…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Yihong Wu , Jinqiao Wei , Xionghui Zhao , Yidi Li , Shaoyi Du , Bin Ren , Nicu Sebe

Graph Neural Networks (GNNs) have emerged as powerful tools for analyzing and learning representations from graph-structured data. A crucial prerequisite for the outstanding performance of GNNs is the availability of complete graph…

Machine Learning · Computer Science 2024-08-12 Peng Yuan , Peng Tang

CDR (Cross-Domain Recommendation), i.e., leveraging information from multiple domains, is a critical solution to data sparsity problem in recommendation system. The majority of previous research either focused on single-target CDR (STCDR)…

Information Retrieval · Computer Science 2024-11-27 Xiaopeng Liu , Juan Zhang , Chongqi Ren , Shenghui Xu , Zhaoming Pan , Zhimin Zhang

The distance-geometric graph representation adopts a unified scheme (distance) for representing the geometry of three-dimensional(3D) graphs. It is invariant to rotation and translation of the graph and it reflects pair-wise node…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Daniel T. Chang

Deep learning approaches to generic (non-semantic) segmentation have so far been indirect and relied on edge detection. This is in contrast to semantic segmentation, where DNNs are applied directly. We propose an alternative approach called…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Oran Shayer , Michael Lindenbaum

Recently, heatmap regression has been widely explored in facial landmark detection and obtained remarkable performance. However, most of the existing heatmap regression-based facial landmark detection methods neglect to explore the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Jun Wan , Zhihui Lai , Jing Li , Jie Zhou , Can Gao

Graph embedding (GE) methods embed nodes (and/or edges) in graph into a low-dimensional semantic space, and have shown its effectiveness in modeling multi-relational data. However, existing GE models are not practical in real-world…

Machine Learning · Computer Science 2020-11-25 Xiaoyu Kou , Yankai Lin , Shaobo Liu , Peng Li , Jie Zhou , Yan Zhang

Face detection is a fundamental problem in computer vision. It is still a challenging task in unconstrained conditions due to significant variations in scale, pose, expressions, and occlusion. In this paper, we propose a multi-branch fully…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Yancheng Bai , Bernard Ghanem

Multi-view subspace clustering (MSC) is a popular unsupervised method by integrating heterogeneous information to reveal the intrinsic clustering structure hidden across views. Usually, MSC methods use graphs (or affinity matrices) fusion…

Machine Learning · Computer Science 2023-08-15 Yidi Wang , Xiaobing Pei , Haoxi Zhan

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

Current approaches for modeling discrete-valued outcomes associated with spatially-dependent areal units incur computational and theoretical challenges, especially in the Bayesian setting when full posterior inference is desired. As an…

Methodology · Statistics 2025-05-22 J. Brandon Carter , Catherine A. Calder

As a fundamental topic in graph mining, Densest Subgraph Discovery (DSD) has found a wide spectrum of real applications. Several DSD algorithms, including exact and approximation algorithms, have been proposed in the literature. However,…

Databases · Computer Science 2024-06-10 Yingli Zhou , Qingshuo Guo , Yi Yang , Yixiang Fang , Chenhao Ma , Laks Lakshmanan

In 2D+3D facial expression recognition (FER), existing methods generate multi-view geometry maps to enhance the depth feature representation. However, this may introduce false estimations due to local plane fitting from incomplete point…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Yang Jiao , Yi Niu , Trac D. Tran , Guangming Shi

Document structure analysis, such as zone segmentation and table recognition, is a complex problem in document processing and is an active area of research. The recent success of deep learning in solving various computer vision and machine…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Shah Rukh Qasim , Hassan Mahmood , Faisal Shafait

Occlusion edges in images which correspond to range discontinuity in the scene from the point of view of the observer are an important prerequisite for many vision and mobile robot tasks. Although they can be extracted from range data…

Computer Vision and Pattern Recognition · Computer Science 2015-07-09 Soumik Sarkar , Vivek Venugopalan , Kishore Reddy , Michael Giering , Julian Ryde , Navdeep Jaitly

Recent works have shown that exploiting multi-scale representations deeply learned via convolutional neural networks (CNN) is of tremendous importance for accurate contour detection. This paper presents a novel approach for predicting…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Dan Xu , Wanli Ouyang , Xavier Alameda-Pineda , Elisa Ricci , Xiaogang Wang , Nicu Sebe

Graph-structured data arise in many scenarios. A fundamental problem is to quantify the similarities of graphs for tasks such as classification. R-convolution graph kernels are positive-semidefinite functions that decompose graphs into…

Machine Learning · Computer Science 2022-01-25 Wei Ye , Omid Askarisichani , Alex Jones , Ambuj Singh