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Pseudo Labeling is a technique used to improve the performance of semi-supervised Graph Neural Networks (GNNs) by generating additional pseudo-labels based on confident predictions. However, the quality of generated pseudo-labels has been a…

Machine Learning · Computer Science 2023-12-20 Weigang Lu , Ziyu Guan , Wei Zhao , Yaming Yang , Yuanhai Lv , Lining Xing , Baosheng Yu , Dacheng Tao

Predicting a scene graph that captures visual entities and their interactions in an image has been considered a crucial step towards full scene comprehension. Recent scene graph generation (SGG) models have shown their capability of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Tzu-Jui Julius Wang , Selen Pehlivan , Jorma Laaksonen

Graph Neural Network (GNN) is an emerging technique for graph-based learning tasks such as node classification. In this work, we reveal the vulnerability of GNN to the imbalance of node labels. Traditional solutions for imbalanced…

Machine Learning · Computer Science 2022-02-08 Xiaohe Li , Lijie Wen , Yawen Deng , Fuli Feng , Xuming Hu , Lei Wang , Zide Fan

The real-world data distribution is essentially long-tailed, which poses great challenge to the deep model. In this work, we propose a new method, Gradual Balanced Loss and Adaptive Feature Generator (GLAG) to alleviate imbalance. GLAG…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Zihan Zhang , Xiang Xiang

Graph-level representations are critical in various real-world applications, such as predicting the properties of molecules. But in practice, precise graph annotations are generally very expensive and time-consuming. To address this issue,…

Machine Learning · Computer Science 2022-07-26 Shuai Lin , Pan Zhou , Zi-Yuan Hu , Shuojia Wang , Ruihui Zhao , Yefeng Zheng , Liang Lin , Eric Xing , Xiaodan Liang

By assigning each relationship a single label, current approaches formulate the relationship detection as a classification problem. Under this formulation, predicate categories are treated as completely different classes. However, different…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Yi Zhou , Shuyang Sun , Chao Zhang , Yikang Li , Wanli Ouyang

Given input images, scene graph generation (SGG) aims to produce comprehensive, graphical representations describing visual relationships among salient objects. Recently, more efforts have been paid to the long tail problem in SGG; however,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Meng-Jiun Chiou , Henghui Ding , Hanshu Yan , Changhu Wang , Roger Zimmermann , Jiashi Feng

Long-tailed semi-supervised learning poses a significant challenge in training models with limited labeled data exhibiting a long-tailed label distribution. Current state-of-the-art LTSSL approaches heavily rely on high-quality…

Machine Learning · Computer Science 2024-10-10 Zi-Hao Zhou , Siyuan Fang , Zi-Jing Zhou , Tong Wei , Yuanyu Wan , Min-Ling Zhang

Scene Graph Generation (SGG) aims to identify entities and predict the relationship triplets \textit{\textless subject, predicate, object\textgreater } in visual scenes. Given the prevalence of large visual variations of subject-object…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Jiankai Li , Yunhong Wang , Xiefan Guo , Ruijie Yang , Weixin Li

The scene graph generation (SGG) task is designed to identify the predicates based on the subject-object pairs.However,existing datasets generally include two imbalance cases: one is the class imbalance from the predicted predicates and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yukuan Min , Aming Wu , Cheng Deng

Scene Graph Generation (SGG) has achieved significant progress recently. However, most previous works rely heavily on fixed-size entity representations based on bounding box proposals, anchors, or learnable queries. As each representation's…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Hengyue Liu , Bir Bhanu

Scene graph generation aims to detect visual relationship triplets, (subject, predicate, object). Due to biases in data, current models tend to predict common predicates, e.g. "on" and "at", instead of informative ones, e.g. "standing on"…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Lianli Gao , Xinyu Lyu , Yuyu Guo , Yuxuan Hu , Yuan-Fang Li , Lu Xu , Heng Tao Shen , Jingkuan Song

Real-world data usually couples the label ambiguity and heavy imbalance, challenging the algorithmic robustness of partial label learning (PLL) and long-tailed learning (LT). The straightforward combination of LT and PLL, i.e., LT-PLL,…

Machine Learning · Computer Science 2023-02-13 Feng Hong , Jiangchao Yao , Zhihan Zhou , Ya Zhang , Yanfeng Wang

Continual Graph Learning (CGL), which aims to accommodate new tasks over evolving graph data without forgetting prior knowledge, is garnering significant research interest. Mainstream solutions adopt the memory replay-based idea, ie,…

Machine Learning · Computer Science 2025-02-11 Qi Wang , Tianfei Zhou , Ye Yuan , Rui Mao

Scene Graph Generation (SGG) aims to explore the relationships between objects in images and obtain scene summary graphs, thereby better serving downstream tasks. However, the long-tailed problem has adversely affected the scene graph's…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Yansheng Li , Tingzhu Wang , Kang Wu , Linlin Wang , Xin Guo , Wenbin Wang

Scene graph generation (SGG) has gained tremendous progress in recent years. However, its underlying long-tailed distribution of predicate classes is a challenging problem. For extremely unbalanced predicate distributions, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Liguang Zhou , Yuhongze Zhou , Tin Lun Lam , Yangsheng Xu

Unbiased scene graph generation (USGG) is a challenging task that requires predicting diverse and heavily imbalanced predicates between objects in an image. To address this, we propose a novel framework peer learning that uses predicate…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Liguang Zhou , Junjie Hu , Yuhongze Zhou , Tin Lun Lam , Yangsheng Xu

Continual learning (CL) is the research field that aims to build machine learning models that can accumulate knowledge continuously over different tasks without retraining from scratch. Previous studies have shown that pre-training graph…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Wei Wei , Tom De Schepper , Kevin Mets

Scene Graph Generation (SGG) aims to structurally and comprehensively represent objects and their connections in images, it can significantly benefit scene understanding and other related downstream tasks. Existing SGG models often struggle…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Qianji Di , Wenxi Ma , Zhongang Qi , Tianxiang Hou , Ying Shan , Hanzi Wang

Scene Graph Generation (SGG) provides basic language representation of visual scenes, requiring models to grasp complex and diverse semantics between objects. This complexity and diversity in SGG leads to underrepresentation, where parts of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Yuxuan Wang , Xiaoyuan Liu