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Mostexistingpersonre-identification(re-id)methods relyon supervised model learning on per-camera-pair manually labelled pairwise training data. This leads to poor scalability in practical re-id deployment due to the lack of exhaustive…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Minxian Li , Xiatian Zhu , Shaogang Gong

Video-based person re-identification (Re-ID) aims at matching the video tracklets with cropped video frames for identifying the pedestrians under different cameras. However, there exists severe spatial and temporal misalignment for those…

计算机视觉与模式识别 · 计算机科学 2021-09-23 Chih-Ting Liu , Jun-Cheng Chen , Chu-Song Chen , Shao-Yi Chien

Cross-modal person re-identification (Re-ID) is critical for modern video surveillance systems. The key challenge is to align cross-modality representations induced by the semantic information present for a person and ignore background…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Ammarah Farooq , Muhammad Awais , Josef Kittler , Syed Safwan Khalid

Describing images in natural language is a fundamental step towards the automatic modeling of connections between the visual and textual modalities. In this paper we present CaMEL, a novel Transformer-based architecture for image…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Manuele Barraco , Matteo Stefanini , Marcella Cornia , Silvia Cascianelli , Lorenzo Baraldi , Rita Cucchiara

Weakly supervised text-to-person image matching, as a crucial approach to reducing models' reliance on large-scale manually labeled samples, holds significant research value. However, existing methods struggle to predict complex one-to-many…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Yafei Zhang , Yongle Shang , Huafeng Li

Parameter-efficient transfer learning (PETL) has emerged as a flourishing research field for adapting large pre-trained models to downstream tasks, greatly reducing trainable parameters while grappling with memory challenges during…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Haiwen Diao , Bo Wan , Xu Jia , Yunzhi Zhuge , Ying Zhang , Huchuan Lu , Long Chen

Recently, vision model pre-training has evolved from relying on manually annotated datasets to leveraging large-scale, web-crawled image-text data. Despite these advances, there is no pre-training method that effectively exploits the…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Chenyu Yang , Xizhou Zhu , Jinguo Zhu , Weijie Su , Junjie Wang , Xuan Dong , Wenhai Wang , Lewei Lu , Bin Li , Jie Zhou , Yu Qiao , Jifeng Dai

Session-based recommendation aims to predict intents of anonymous users based on limited behaviors. With the ability in alleviating data sparsity, contrastive learning is prevailing in the task. However, we spot that existing contrastive…

信息检索 · 计算机科学 2025-06-06 Xiaokun Zhang , Bo Xu , Fenglong Ma , Zhizheng Wang , Liang Yang , Hongfei Lin

Emotion recognition is a critical component of affective computing. Training accurate machine learning models for emotion recognition typically requires a large amount of labeled data. Due to the subtleness and complexity of emotions,…

机器学习 · 计算机科学 2024-12-03 Yifan Xu , Xue Jiang , Dongrui Wu

The objective of active learning (AL) is to train classification models with less number of labeled instances by selecting only the most informative instances for labeling. The AL algorithms designed for other data types such as images and…

机器学习 · 统计学 2020-07-23 Kaushalya Madhawa , Tsuyoshi Murata

With growing public safety demands, text-based person anomaly search has emerged as a critical task, aiming to retrieve individuals with abnormal behaviors via natural language descriptions. Unlike conventional person search, this task…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Hao Ju , Hu Zhang , Zhedong Zheng

Pose-estimation methods enable extracting human motion from common videos in the structured form of 3D skeleton sequences. Despite great application opportunities, effective content-based access to such spatio-temporal motion data is a…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Nicola Messina , Jan Sedmidubsky , Fabrizio Falchi , Tomáš Rebok

Person re-identification (re-id) aims to match the same person from images taken across multiple cameras. Most existing person re-id methods generally require a large amount of identity labeled data to act as discriminative guideline for…

计算机视觉与模式识别 · 计算机科学 2020-09-02 Usman Ali , Bayram Bayramli , Hongtao Lu

Text-based person search aims to retrieve images of a certain pedestrian by a textual description. The key challenge of this task is to eliminate the inter-modality gap and achieve the feature alignment across modalities. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Shiping Li , Min Cao , Min Zhang

Person re-identification (re-ID) has gained more and more attention due to its widespread applications in intelligent video surveillance. Unfortunately, the mainstream deep learning methods still need a large quantity of labeled data to…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Qi Wang , Sikai Bai , Junyu Gao , Yuan Yuan , Xuelong Li

The goal of optimization-based meta-learning is to find a single initialization shared across a distribution of tasks to speed up the process of learning new tasks. Conditional meta-learning seeks task-specific initialization to better…

机器学习 · 计算机科学 2020-10-20 Ruohan Wang , Yiannis Demiris , Carlo Ciliberto

Annotating a large-scale image dataset is very tedious, yet necessary for training person re-identification models. To alleviate such a problem, we present an active hard sample mining framework via training an effective re-ID model with…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Xin Xu , Lei Liu , Weifeng Liu , Meng Wang , Ruimin Hu

The problem of image-base person identification/recognition is to provide an identity to the image of an individual based on learned models that describe his/her appearance. Most traditional person identification systems rely on learning a…

计算机视觉与模式识别 · 计算机科学 2016-07-05 Abir Das , Rameswar Panda , Amit K. Roy-Chowdhury

This paper considers the problem of unsupervised person re-identification (re-ID), which aims to learn discriminative models with unlabeled data. One popular method is to obtain pseudo-label by clustering and use them to optimize the model.…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Fengxiang Yang , Zhun Zhong , Zhiming Luo , Yuanzheng Cai , Yaojin Lin , Shaozi Li , Nicu Sebe

Text-based person search (TBPS) aims to retrieve specific images of individuals from large datasets using textual descriptions. Existing TBPS methods focus primarily on identifying explicit positive attributes, often neglecting the critical…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Yuchuan Deng , Zhanpeng Hu , Zijie Xin , Chuang Deng , Qijun Zhao