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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

An unbiased scene graph generation (SGG) algorithm referred to as Skew Class-balanced Re-weighting (SCR) is proposed for considering the unbiased predicate prediction caused by the long-tailed distribution. The prior works focus mainly on…

Machine Learning · Computer Science 2023-03-30 Haeyong Kang , Chang D. Yoo

It is hard to directly implement Graph Neural Networks (GNNs) on large scaled graphs. Besides of existed neighbor sampling techniques, scalable methods decoupling graph convolutions and other learnable transformations into preprocessing and…

Machine Learning · Computer Science 2021-07-02 Chuxiong Sun , Hongming Gu , Jie Hu

Signed Graph Neural Networks (SGNNs) are effective in learning expressive representations for signed graphs but typically require substantial task-specific labels, limiting their applicability in label-scarce industrial scenarios. In…

Machine Learning · Computer Science 2025-08-19 Zian Zhai , Sima Qing , Xiaoyang Wang , Wenjie Zhang

Few-shot node classification poses a significant challenge for Graph Neural Networks (GNNs) due to insufficient supervision and potential distribution shifts between labeled and unlabeled nodes. Self-training has emerged as a widely popular…

Machine Learning · Computer Science 2024-01-22 Fali Wang , Tianxiang Zhao , Suhang Wang

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

Pseudo-labelling is a popular technique in unsuper-vised domain adaptation for semantic segmentation. However, pseudo labels are noisy and inevitably have confirmation bias due to the discrepancy between source and target domains and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Wanyu Xu , Zengmao Wang , Wei Bian

Scene Graph Generation (SGG) serves a comprehensive representation of the images for human understanding as well as visual understanding tasks. Due to the long tail bias problem of the object and predicate labels in the available annotated…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Anh Duc Bui , Soyeon Caren Han , Josiah Poon

Scene Graph Generation (SGG) aims to build a structured representation of a scene using objects and pairwise relationships, which benefits downstream tasks. However, current SGG methods usually suffer from sub-optimal scene graph generation…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Chao Chen , Yibing Zhan , Baosheng Yu , Liu Liu , Yong Luo , Bo Du

Several techniques have recently aimed to improve the performance of deep learning models for Scene Graph Generation (SGG) by incorporating background knowledge. State-of-the-art techniques can be divided into two families: one where the…

Machine Learning · Computer Science 2022-09-08 Davide Buffelli , Efthymia Tsamoura

Scene Graph Generation (SGG) aims to generate a comprehensive graphical representation that accurately captures the semantic information of a given scenario. However, the SGG model's performance in predicting more fine-grained predicates is…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Jiasong Feng , Lichun Wang , Hongbo Xu , Kai Xu , Baocai Yin

Despite the impressive performance of recent unbiased Scene Graph Generation (SGG) methods, the current debiasing literature mainly focuses on the long-tailed distribution problem, whereas it overlooks another source of bias, i.e., semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Shuzhou Sun , Shuaifeng Zhi , Qing Liao , Janne Heikkilä , Li Liu

Scene Graph Generation is a critical enabler of environmental comprehension for autonomous robotic systems. Most of existing methods, however, are often thwarted by the intricate dynamics of background complexity, which limits their ability…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Xukun Zhou , Zhenbo Song , Jun He , Hongyan Liu , Zhaoxin Fan

Spatio-Temporal Scene Graphs (STSGs) provide a concise and expressive representation of dynamic scenes by modeling objects and their evolving relationships over time. However, real-world visual relationships often exhibit a long-tailed…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Rohith Peddi , Saurabh , Ayush Abhay Shrivastava , Parag Singla , Vibhav Gogate

Data scarcity has been the main factor that hinders the progress of event extraction. To overcome this issue, we propose a Self-Training with Feedback (STF) framework that leverages the large-scale unlabeled data and acquires feedback for…

Computation and Language · Computer Science 2023-08-03 Zhiyang Xu , Jay-Yoon Lee , Lifu Huang

Semi-supervised learning (SSL) addresses the lack of labeled data by exploiting large unlabeled data through pseudolabeling. However, in the extremely low-label regime, pseudo labels could be incorrect, a.k.a. the confirmation bias, and the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Xun Xu , Jingyi Liao , Lile Cai , Manh Cuong Nguyen , Kangkang Lu , Wanyue Zhang , Yasin Yazici , Chuan Sheng Foo

Semi-supervised Camouflaged Object Detection (SSCOD) aims to reduce reliance on costly pixel-level annotations by leveraging limited annotated data and abundant unlabeled data. However, existing SSCOD methods based on Teacher-Student…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Xihang Hu , Fuming Sun , Jiazhe Liu , Feilong Xu , Xiaoli Zhang

This paper studies the use of language models as a source of synthetic unlabeled text for NLP. We formulate a general framework called ``generate, annotate, and learn (GAL)'' to take advantage of synthetic text within knowledge…

Machine Learning · Computer Science 2022-06-01 Xuanli He , Islam Nassar , Jamie Kiros , Gholamreza Haffari , Mohammad Norouzi

Fine-grained image classification involves identifying different subcategories of a class which possess very subtle discriminatory features. Fine-grained datasets usually provide bounding box annotations along with class labels to aid the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Farha Al Breiki , Muhammad Ridzuan , Rushali Grandhe

Self-training is an important class of unsupervised domain adaptation (UDA) approaches that are used to mitigate the problem of domain shift, when applying knowledge learned from a labeled source domain to unlabeled and heterogeneous target…

Image and Video Processing · Electrical Eng. & Systems 2023-05-25 Xiaofeng Liu , Jerry L. Prince , Fangxu Xing , Jiachen Zhuo , Reese Timothy , Maureen Stone , Georges El Fakhri , Jonghye Woo