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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

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

Most scene graph parsers use a two-stage pipeline to detect visual relationships: the first stage detects entities, and the second predicts the predicate for each entity pair using a softmax distribution. We find that such pipelines,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Ji Zhang , Kevin J. Shih , Ahmed Elgammal , Andrew Tao , Bryan Catanzaro

Existing Unbiased Scene Graph Generation (USGG) methods only focus on addressing the predicate-level imbalance that high-frequency classes dominate predictions of rare ones, while overlooking the concept-level imbalance. Actually, even if…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Xinyu Lyu , Lianli Gao , Junlin Xie , Pengpeng Zeng , Yulu Tian , Jie Shao , Heng Tao Shen

In this paper, we tackle the transductive semi-supervised learning problem that aims to obtain label predictions for the given unlabeled data points according to Vapnik's principle. Our proposed approach is based on optimal transport, a…

Machine Learning · Computer Science 2021-10-05 Mourad El Hamri , Younès Bennani , Issam Falih

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 aims to detect all the objects and their pairwise visual relationships in a given image. Although SGG has achieved remarkable progress over the last few years, almost all existing SGG models follow the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Lin Li , Long Chen , Hanrong Shi , Wenxiao Wang , Jian Shao , Yi Yang , Jun Xiao

Curriculum learning can improve neural network training by guiding the optimization to desirable optima. We propose a novel curriculum learning approach for image classification that adapts the loss function by changing the label…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Urun Dogan , Aniket Anand Deshmukh , Marcin Machura , Christian Igel

Generating images from graph-structured inputs, such as scene graphs, is uniquely challenging due to the difficulty of aligning nodes and connections in graphs with objects and their relations in images. Most existing methods address this…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Ling Yang , Zhilin Huang , Yang Song , Shenda Hong , Guohao Li , Wentao Zhang , Bin Cui , Bernard Ghanem , Ming-Hsuan Yang

This paper introduces the first statistically consistent estimator of the optimal transport map between two probability distributions, based on neural networks. Building on theoretical and practical advances in the field of Lipschitz neural…

Machine Learning · Statistics 2022-02-17 Alberto González-Sanz , Lucas de Lara , Louis Béthune , Jean-Michel Loubes

Scene graph generation aims to capture detailed spatial and semantic relationships between objects in an image, which is challenging due to incomplete labelling, long-tailed relationship categories, and relational semantic overlap. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Zeeshan Hayder , Xuming He

With increasing applications of semantic segmentation, numerous datasets have been proposed in the past few years. Yet labeling remains expensive, thus, it is desirable to jointly train models across aggregations of datasets to enhance data…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Dongwan Kim , Yi-Hsuan Tsai , Yumin Suh , Masoud Faraki , Sparsh Garg , Manmohan Chandraker , Bohyung Han

Semi-supervised learning has made remarkable strides by effectively utilizing a limited amount of labeled data while capitalizing on the abundant information present in unlabeled data. However, current algorithms often prioritize aligning…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Zhiquan Tan , Kaipeng Zheng , Weiran Huang

Representing relevant information of a traffic scene and understanding its environment is crucial for the success of autonomous driving. Modeling the surrounding of an autonomous car using semantic relations, i.e., how different traffic…

Artificial Intelligence · Computer Science 2022-12-07 Maximilian Zipfl , Felix Hertlein , Achim Rettinger , Steffen Thoma , Lavdim Halilaj , Juergen Luettin , Stefan Schmid , Cory Henson

Semi-supervised learning provides an effective paradigm for leveraging unlabeled data to improve a model's performance. Among the many strategies proposed, graph-based methods have shown excellent properties, in particular since they allow…

Machine Learning · Statistics 2021-03-29 Mourad El Hamri , Younès Bennani

Labeling datasets is a noteworthy challenge in machine learning, both in terms of cost and time. This research, however, leverages an efficient answer. By exploring label propagation in semi-supervised learning, we can significantly reduce…

Machine Learning · Computer Science 2024-10-16 Minoo Jafarlou , Mario M. Kubek

In this work, we seek new insights into the underlying challenges of the Scene Graph Generation (SGG) task. Quantitative and qualitative analysis of the Visual Genome dataset implies -- 1) Ambiguity: even if inter-object relationship…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Sangmin Woo , Junhyug Noh , Kangil Kim

Scene Graph Generation (SGG) suffers from a long-tailed distribution, where a few predicate classes dominate while many others are underrepresented, leading to biased models that underperform on rare relations. Unbiased-SGG methods address…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Runfeng Qu , Ole Hall , Pia K Bideau , Julie Ouerfelli-Ethier , Martin Rolfs , Klaus Obermayer , Olaf Hellwich

In this study, we focus on the graph representation learning (a.k.a. network embedding) in attributed graphs. Different from existing embedding methods that treat the incorporation of graph structure and semantic as the simple combination…

Social and Information Networks · Computer Science 2023-05-12 Meng Qin

Recognizing a traffic accident is an essential part of any autonomous driving or road monitoring system. An accident can appear in a wide variety of forms, and understanding what type of accident is taking place may be useful to prevent it…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Aaron Lohner , Francesco Compagno , Jonathan Francis , Alessandro Oltramari