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Due to the complex and changing interactions in dynamic scenarios, motion forecasting is a challenging problem in autonomous driving. Most existing works exploit static road graphs to characterize scenarios and are limited in modeling…

Artificial Intelligence · Computer Science 2023-03-09 Xing Gao , Xiaogang Jia , Yikang Li , Hongkai Xiong

The (variational) graph auto-encoder is widely used to learn representations for graph-structured data. However, the formation of real-world graphs is a complicated and heterogeneous process influenced by latent factors. Existing encoders…

Machine Learning · Computer Science 2024-07-17 Di Fan , Chuanhou Gao

In many applications of machine learning, certain categories of examples may be underrepresented in the training data, causing systems to underperform on such "few-shot" cases at test time. A common remedy is to perform data augmentation,…

Computation and Language · Computer Science 2021-02-03 Kenton Lee , Kelvin Guu , Luheng He , Tim Dozat , Hyung Won Chung

Traffic forecasting is a challenging task due to the complex spatio-temporal correlations among traffic series. In this paper, we identify an underexplored problem in multivariate traffic series prediction: extreme events. Road congestion…

Machine Learning · Computer Science 2023-09-19 Zhiwei Zhang , Weizhong Zhang , Yaowei Huang , Kani Chen

Graph Attention Networks (GATs) have emerged as powerful models for learning expressive representations from such data by adaptively weighting neighboring nodes through attention mechanisms. However, most existing approaches primarily rely…

Machine Learning · Computer Science 2026-02-05 Farshad Noravesh , Reza Haffari , Layki Soon , Arghya Pal

Unsupervised representation learning aims at finding methods that learn representations from data without annotation-based signals. Abstaining from annotations not only leads to economic benefits but may - and to some extent already does -…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Bonifaz Stuhr

Navigating unsignalized intersections in urban environments poses a complex challenge for self-driving vehicles, where issues such as view obstructions, unpredictable pedestrian crossings, and diverse traffic participants demand a great…

Robotics · Computer Science 2024-07-08 Pierre Haritz , David Wanke , Thomas Liebig

Accurate motion prediction of surrounding agents is crucial for the safe planning of autonomous vehicles. Recent advancements have extended prediction techniques from individual agents to joint predictions of multiple interacting agents,…

Artificial Intelligence · Computer Science 2025-09-12 Xing Gao , Zherui Huang , Weiyao Lin , Xiao Sun

Inspired by the recent success of self-supervised methods applied on images, self-supervised learning on graph structured data has seen rapid growth especially centered on augmentation-based contrastive methods. However, we argue that…

Machine Learning · Computer Science 2021-12-08 Namkyeong Lee , Junseok Lee , Chanyoung Park

Self-supervised representation learning is able to learn semantically meaningful features; however, much of its recent success relies on multiple crops of an image with very few objects. Instead of learning view-invariant representation…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Yuwen Xiong , Mengye Ren , Wenyuan Zeng , Raquel Urtasun

We present an innovative framework for traffic dynamics analysis using High-Order Evolving Graphs, designed to improve spatio-temporal representations in autonomous driving contexts. Our approach constructs temporal bidirectional bipartite…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Aditya Humnabadkar , Arindam Sikdar , Benjamin Cave , Huaizhong Zhang , Paul Bakaki , Ardhendu Behera

Data augmentations are effective in improving the invariance of learning machines. We argue that the core challenge of data augmentations lies in designing data transformations that preserve labels. This is relatively straightforward for…

Machine Learning · Computer Science 2023-03-01 Youzhi Luo , Michael McThrow , Wing Yee Au , Tao Komikado , Kanji Uchino , Koji Maruhashi , Shuiwang Ji

Learning to control an agent from data collected offline in a rich pixel-based visual observation space is vital for real-world applications of reinforcement learning (RL). A major challenge in this setting is the presence of input…

The recent rise of generative artificial intelligence (AI), powered by Transformer networks, has achieved remarkable success in natural language processing, computer vision, and graphics. However, the application of Transformers in…

Graphics · Computer Science 2025-09-01 Qiang Zou , Lizhen Zhu

Retrieval-Augmented Generation (RAG) improves large language models by retrieving external knowledge, often truncated into smaller chunks due to the input context window, which leads to information loss, resulting in response hallucinations…

Computation and Language · Computer Science 2025-11-18 Jie Zhang , Bo Tang , Wanzi Shao , Wenqiang Wei , Jihao Zhao , Jianqing Zhu , Zhiyu li , Wen Xi , Zehao Lin , Feiyu Xiong , Yanchao Tan

Prompt learning is an efficient approach to adapt transformers by inserting learnable set of parameters into the input and intermediate representations of a pre-trained model. In this work, we present Expressive Prompts with Residuals…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Rajshekhar Das , Yonatan Dukler , Avinash Ravichandran , Ashwin Swaminathan

Robotics has long been a field riddled with complex systems architectures whose modules and connections, whether traditional or learning-based, require significant human expertise and prior knowledge. Inspired by large pre-trained language…

Robotics · Computer Science 2022-09-27 Rogerio Bonatti , Sai Vemprala , Shuang Ma , Felipe Frujeri , Shuhang Chen , Ashish Kapoor

Transformation Equivariant Representations (TERs) aim to capture the intrinsic visual structures that equivary to various transformations by expanding the notion of {\em translation} equivariance underlying the success of Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Guo-Jun Qi , Liheng Zhang , Xiao Wang

Deep Imitation Learning requires a large number of expert demonstrations, which are not always easy to obtain, especially for complex tasks. A way to overcome this shortage of labels is through data augmentation. However, this cannot be…

Machine Learning · Computer Science 2021-03-29 Dafni Antotsiou , Carlo Ciliberto , Tae-Kyun Kim

The field of visual representation learning has seen explosive growth in the past years, but its benefits in robotics have been surprisingly limited so far. Prior work uses generic visual representations as a basis to learn (task-specific)…

Robotics · Computer Science 2023-08-16 Jianren Wang , Sudeep Dasari , Mohan Kumar Srirama , Shubham Tulsiani , Abhinav Gupta
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