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Communities in social networks evolve over time as people enter and leave the network and their activity behaviors shift. The task of predicting structural changes in communities over time is known as community evolution prediction.…

机器学习 · 计算机科学 2021-07-12 Matt Revelle , Carlotta Domeniconi , Ben Gelman

This paper uses Factored Latent Analysis (FLA) to learn a factorized, segmental representation for observations of tracked objects over time. Factored Latent Analysis is latent class analysis in which the observation space is subdivided and…

机器学习 · 计算机科学 2012-07-19 Chris Stauffer

In many recommender systems, users and items are associated with attributes, and users show preferences to items. The attribute information describes users'(items') characteristics and has a wide range of applications, such as user…

信息检索 · 计算机科学 2020-05-26 Le Wu , Yonghui Yang , Kun Zhang , Richang Hong , Yanjie Fu , Meng Wang

Attribute representations became relevant in image recognition and word spotting, providing support under the presence of unbalance and disjoint datasets. However, for human activity recognition using sequential data from on-body sensors,…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Fernando Moya Rueda , Gernot A. Fink

To enhance the generalization performance of Multi-Task Networks (MTN) in Face Attribute Recognition (FAR), it is crucial to share relevant information across multiple related prediction tasks effectively. Traditional MTN methods create…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Gong Gao , Zekai Wang , Xianhui Liu , Weidong Zhao

The state-of-the art solutions for human activity understanding from a video stream formulate the task as a spatio-temporal problem which requires joint localization of all individuals in the scene and classification of their actions or…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Mahsa Ehsanpour , Alireza Abedin , Fatemeh Saleh , Javen Shi , Ian Reid , Hamid Rezatofighi

Human agents routinely reason on instances with incomplete and muddied data (and weigh the cost of obtaining further features). In contrast, much of ML is devoted to the unrealistic, sterile environment where all features are observed and…

机器学习 · 计算机科学 2024-10-08 Yang Li , Junier Oliva

In conventional distributed learning over a network, multiple agents collaboratively build a common machine learning model. However, due to the underlying non-i.i.d. data distribution among agents, the unified learning model becomes…

分布式、并行与集群计算 · 计算机科学 2023-06-28 Zhuojun Tian , Zhaoyang Zhang , Zhaohui Yang , Richeng Jin , Huaiyu Dai

Predicting personality traits automatically has become a challenging problem in computer vision. This paper introduces an innovative multimodal feature learning framework for personality analysis in short video clips. For visual processing,…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Kangsheng Wang , Chengwei Ye , Huanzhen Zhang , Linuo Xu , Shuyan Liu

Slow Feature Analysis (SFA) extracts slowly varying features from a quickly varying input signal. It has been successfully applied to modeling the visual receptive fields of the cortical neurons. Sufficient experimental results in…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Zhang Zhang , Dacheng Tao

This paper proposes joint attention estimation in a single image. Different from related work in which only the gaze-related attributes of people are independently employed, (I) their locations and actions are also employed as contextual…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Chihiro Nakatani , Hiroaki Kawashima , Norimichi Ukita

Crowd behavior understanding is crucial yet challenging across a wide range of applications, since crowd behavior is inherently determined by a sequential decision-making process based on various factors, such as the pedestrians' own…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Haosheng Zou , Hang Su , Shihong Song , Jun Zhu

This paper presents a novel framework for social group activity recognition. As an expanded task of group activity recognition, social group activity recognition requires recognizing multiple sub-group activities and identifying group…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Masato Tamura , Rahul Vishwakarma , Ravigopal Vennelakanti

An approach for coalition formation of multi-agent pursuit based on neural network and AGRMF model is proposed.This paper constructs a novel neural work called AGRMF-ANN which consists of feature extraction part and group generation part.…

人工智能 · 计算机科学 2017-07-18 Zhaoyi Pei , Songhao Piao , Mohammed Ei Souidi

We propose a new Group Feature Selection method for Discriminative Correlation Filters (GFS-DCF) based visual object tracking. The key innovation of the proposed method is to perform group feature selection across both channel and spatial…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Tianyang Xu , Zhen-Hua Feng , Xiao-Jun Wu , Josef Kittler

Graph neural networks (GNNs) are widely believed to excel at node representation learning through trainable neighborhood aggregations. We challenge this view by introducing Fixed Aggregation Features (FAFs), a training-free approach that…

机器学习 · 计算机科学 2026-01-28 Celia Rubio-Madrigal , Rebekka Burkholz

Cooperative Multi-Agent Reinforcement Learning (MARL) necessitates seamless collaboration among agents, often represented by an underlying relation graph. Existing methods for learning this graph primarily focus on agent-pair relations,…

机器学习 · 计算机科学 2026-04-13 Wei Duan , Jie Lu , Junyu Xuan

Modeling relation between actors is important for recognizing group activity in a multi-person scene. This paper aims at learning discriminative relation between actors efficiently using deep models. To this end, we propose to build a…

计算机视觉与模式识别 · 计算机科学 2019-04-24 Jianchao Wu , Limin Wang , Li Wang , Jie Guo , Gangshan Wu

Facial analysis models are increasingly applied in real-world applications that have significant impact on peoples' lives. However, as literature has shown, models that automatically classify facial attributes might exhibit algorithmic…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Camila Kolling , Victor Araujo , Adriano Veloso , Soraia Raupp Musse

Video action analysis is a foundational technology within the realm of intelligent video comprehension, particularly concerning its application in Internet of Things(IoT). However, existing methodologies overlook feature semantics in…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Guiqin Wang , Peng Zhao , Cong Zhao , Jing Huang , Siyan Guo , Shusen Yang