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We motivate weakly supervised learning as an effective learning paradigm for problems where curating perfectly annotated datasets is expensive and may require domain expertise such as fine-grained classification. We focus on Partial Label…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Darshana Saravanan , Naresh Manwani , Vineet Gandhi

Domain adaptive person re-identification (re-ID) is a challenging task due to the large discrepancy between the source domain and the target domain. To reduce the domain discrepancy, existing methods mainly attempt to generate pseudo labels…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Junhui Yin , Jiayan Qiu , Siqing Zhang , Zhanyu Ma , Jun Guo

To address semi-supervised learning from both labeled and unlabeled data, we present a novel meta-learning scheme. We particularly consider that labeled and unlabeled data share disjoint ground truth label sets, which can be seen tasks like…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Yun-Chun Chen , Chao-Te Chou , Yu-Chiang Frank Wang

Unsupervised person re-identification (Re-Id) has attracted increasing attention due to its practical application in the read-world video surveillance system. The traditional unsupervised Re-Id are mostly based on the method alternating…

计算机视觉与模式识别 · 计算机科学 2022-05-25 De Cheng , Jingyu Zhou , Nannan Wang , Xinbo Gao

Person re-identification (Re-ID) models usually show a limited performance when they are trained on one dataset and tested on another dataset due to the inter-dataset bias (e.g. completely different identities and backgrounds) and the…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Jiajie Tian , Zhu Teng , Rui Li , Yan Li , Baopeng Zhang , Jianping Fan

Unsupervised visible-infrared person re-identification (USL-VI-ReID) is of great research and practical significance yet remains challenging due to the absence of annotations. Existing approaches aim to learn modality-invariant…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Xiao Teng , Long Lan , Dingyao Chen , Kele Xu , Nan Yin

Learning an empirically effective model with generalization using limited data is a challenging task for deep neural networks. In this paper, we propose a novel learning framework called PurifiedLearning to exploit task-irrelevant features…

机器学习 · 计算机科学 2022-07-12 Yinghui Li , Chen Wang , Yangning Li , Hai-Tao Zheng , Ying Shen

Unsupervised Person Re-identification (U-ReID) with pseudo labeling recently reaches a competitive performance compared to fully-supervised ReID methods based on modern clustering algorithms. However, such clustering-based scheme becomes…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Xin Jin , Tianyu He , Xu Shen , Tongliang Liu , Xinchao Wang , Jianqiang Huang , Zhibo Chen , Xian-Sheng Hua

Inspired by the remarkable zero-shot generalization capacity of vision-language pre-trained model, we seek to leverage the supervision from CLIP model to alleviate the burden of data labeling. However, such supervision inevitably contains…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Junchu Huang , Weijie Chen , Shicai Yang , Di Xie , Shiliang Pu , Yueting Zhuang

Due to the lack of labels and the domain diversities, it is a challenge to study person re-identification in the cross-domain setting. An admirable method is to optimize the target model by assigning pseudo-labels for unlabeled samples…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Hongliang Zhang , Shoudong Han , Xiaofeng Pan , Jun Zhao

Collecting large-scale data with clean labels for supervised training of neural networks is practically challenging. Although noisy labels are usually cheap to acquire, existing methods suffer a lot from label noise. This paper targets at…

机器学习 · 计算机科学 2020-06-16 Zizhao Zhang , Han Zhang , Sercan O. Arik , Honglak Lee , Tomas Pfister

Clustering-based approach has proved effective in dealing with unsupervised domain adaptive person re-identification (ReID) tasks. However, existing works along this approach still suffer from noisy pseudo labels and the unreliable…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Chunren Tang , Dingyu Xue , Dongyue Chen

Neural net classifiers trained on data with annotated class labels can also capture apparent visual similarity among categories without being directed to do so. We study whether this observation can be extended beyond the conventional…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Zhirong Wu , Yuanjun Xiong , Stella Yu , Dahua Lin

Most of unsupervised person Re-Identification (Re-ID) works produce pseudo-labels by measuring the feature similarity without considering the distribution discrepancy among cameras, leading to degraded accuracy in label computation across…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Shiyu Xuan , Shiliang Zhang

While deep face recognition has benefited significantly from large-scale labeled data, current research is focused on leveraging unlabeled data to further boost performance, reducing the cost of human annotation. Prior work has mostly been…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Aruni RoyChowdhury , Xiang Yu , Kihyuk Sohn , Erik Learned-Miller , Manmohan Chandraker

The existing person search methods use the annotated labels of person identities to train deep networks in a supervised manner that requires a huge amount of time and effort for human labeling. In this paper, we first introduce a novel…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Byeong-Ju Han , Kuhyeun Ko , Jae-Young Sim

Semi-supervised object detection (SSOD) aims to boost detection performance by leveraging extra unlabeled data. The teacher-student framework has been shown to be promising for SSOD, in which a teacher network generates pseudo-labels for…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Honggyu Choi , Zhixiang Chen , Xuepeng Shi , Tae-Kyun Kim

Continually learning in the real world must overcome many challenges, among which noisy labels are a common and inevitable issue. In this work, we present a repla-ybased continual learning framework that simultaneously addresses both…

机器学习 · 计算机科学 2021-10-18 Chris Dongjoo Kim , Jinseo Jeong , Sangwoo Moon , Gunhee Kim

Unsupervised person re-ID is the task of identifying people on a target data set for which the ID labels are unavailable during training. In this paper, we propose to unify two trends in unsupervised person re-ID: clustering & fine-tuning…

计算机视觉与模式识别 · 计算机科学 2020-04-29 Guillaume Delorme , Yihong Xu , Stephane Lathuilière , Radu Horaud , Xavier Alameda-Pineda

The need for labeled data is among the most common and well-known practical obstacles to deploying deep learning algorithms to solve real-world problems. The current generation of learning algorithms requires a large volume of data labeled…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Aaron Reite , Scott Kangas , Zackery Steck , Steven Goley , Jonathan Von Stroh , Steven Forsyth