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Most person re-identification methods, being supervised techniques, suffer from the burden of massive annotation requirement. Unsupervised methods overcome this need for labeled data, but perform poorly compared to the supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Xueping Wang , Sujoy Paul , Dripta S. Raychaudhuri , Min Liu , Yaonan Wang , Amit K. Roy-Chowdhury

Person re-identification is best known as the problem of associating a single person that is observed from one or more disjoint cameras. The existing literature has mainly addressed such an issue, neglecting the fact that people usually…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Giuseppe Lisanti , Niki Martinel , Alberto Del Bimbo , Gian Luca Foresti

Weakly-Supervised Camouflaged Object Detection (WSCOD) has gained popularity for its promise to train models with weak labels to segment objects that visually blend into their surroundings. Recently, some methods using sparsely-annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Tsui Qin Mok , Shuyong Gao , Haozhe Xing , Miaoyang He , Yan Wang , Wenqiang Zhang

Person re-identification (Re-ID) aims to match person images across different camera views, with occluded Re-ID addressing scenarios where pedestrians are partially visible. While pre-trained vision-language models have shown effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Rui Zhi , Zhen Yang , Haiyang Zhang

Aligning signals from different modalities is an important step in vision-language representation learning as it affects the performance of later stages such as cross-modality fusion. Since image and text typically reside in different…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Jiali Duan , Liqun Chen , Son Tran , Jinyu Yang , Yi Xu , Belinda Zeng , Trishul Chilimbi

We introduce openXBOW, an open-source toolkit for the generation of bag-of-words (BoW) representations from multimodal input. In the BoW principle, word histograms were first used as features in document classification, but the idea was and…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Maximilian Schmitt , Björn W. Schuller

Unsupervised person re-identification (Re-ID) aims to learn a feature network with cross-camera retrieval capability in unlabelled datasets. Although the pseudo-label based methods have achieved great progress in Re-ID, their performance in…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Mingxiao Zheng , Yanpeng Qu , Changjing Shang , Longzhi Yang , Qiang Shen

Despite the promising progress made in recent years, person re-identification (re-ID) remains a challenging task due to the complex variations in human appearances from different camera views. For this challenging problem, a large variety…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Xun Yang , Meng Wang , Richang Hong , Qi Tian , Yong Rui

Person re-identification (re-id) is a critical problem in video analytics applications such as security and surveillance. The public release of several datasets and code for vision algorithms has facilitated rapid progress in this area over…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 Srikrishna Karanam , Mengran Gou , Ziyan Wu , Angels Rates-Borras , Octavia Camps , Richard J. Radke

Most video person re-identification (re-ID) methods are mainly based on supervised learning, which requires cross-camera ID labeling. Since the cost of labeling increases dramatically as the number of cameras increases, it is difficult to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Youngeun Kim , Seokeon Choi , Taekyung Kim , Sumin Lee , Changick Kim

Person re identification is a challenging retrieval task that requires matching a person's acquired image across non overlapping camera views. In this paper we propose an effective approach that incorporates both the fine and coarse pose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 M. Saquib Sarfraz , Arne Schumann , Andreas Eberle , Rainer Stiefelhagen

We address the problem of visible-infrared person re-identification (VI-reID), that is, retrieving a set of person images, captured by visible or infrared cameras, in a cross-modal setting. Two main challenges in VI-reID are intra-class…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Hyunjong Park , Sanghoon Lee , Junghyup Lee , Bumsub Ham

A sentence can be translated into more than one correct sentences. However, most of the existing neural machine translation models only use one of the correct translations as the targets, and the other correct sentences are punished as the…

Computation and Language · Computer Science 2018-05-15 Shuming Ma , Xu Sun , Yizhong Wang , Junyang Lin

Person re-identification (Person ReID) is a challenging task due to the large variations in camera viewpoint, lighting, resolution, and human pose. Recently, with the advancement of deep learning technologies, the performance of Person ReID…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Wangmeng Xiang , Jianqiang Huang , Xianbiao Qi , Xiansheng Hua , Lei Zhang

Accelerometer measurements are the prime type of sensor information most think of when seeking to measure physical activity. On the market, there are many fitness measuring devices which aim to track calories burned and steps counted…

Machine Learning · Computer Science 2017-04-14 Kevin M. Amaral , Ping Chen , Scott Crouter , Wei Ding

The word mover's distance (WMD) is a fundamental technique for measuring the similarity of two documents. As the crux of WMD, it can take advantage of the underlying geometry of the word space by employing an optimal transport formulation.…

Machine Learning · Computer Science 2022-06-16 Ryoma Sato , Makoto Yamada , Hisashi Kashima

Requirement traceability is the process of identifying the inter-dependencies between requirements. It poses a significant challenge when conducted manually, especially when dealing with requirements at various levels of abstraction. In…

Artificial Intelligence · Computer Science 2024-06-21 Baher Mohammad , Riad Sonbol , Ghaida Rebdawi

Person re-identification is a key challenge for surveillance across multiple sensors. Prompted by the advent of powerful deep learning models for visual recognition, and inexpensive RGB-D cameras and sensor-rich mobile robotic platforms,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Frank Hafner , Amran Bhuiyan , Julian F. P. Kooij , Eric Granger

Vehicle re-identification (re-ID) focuses on matching images of the same vehicle across different cameras. It is fundamentally challenging because differences between vehicles are sometimes subtle. While several studies incorporate…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Tsai-Shien Chen , Chih-Ting Liu , Chih-Wei Wu , Shao-Yi Chien

Unsupervised person re-identification (Re-ID) aims to retrieve person images across cameras without any identity labels. Most clustering-based methods roughly divide image features into clusters and neglect the feature distribution noise…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Pengna Li , Kangyi Wu , Sanping Zhou. Qianxin Huang , Jinjun Wang