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During recent years transformers architectures have been growing in popularity. Modulated Detection Transformer (MDETR) is an end-to-end multi-modal understanding model that performs tasks such as phase grounding, referring expression…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Tomás Crisol , Joel Ermantraut , Adrián Rostagno , Santiago L. Aggio , Javier Iparraguirre

Robust and efficient learning remains a challenging problem in robotics, in particular with complex visual inputs. Inspired by human attention mechanism, with which we quickly process complex visual scenes and react to changes in the…

Robotics · Computer Science 2023-08-30 Daniel Scheuchenstuhl , Stefan Ulmer , Felix Resch , Luigi Berducci , Radu Grosu

Scene transfer for vision-based mobile robotics applications is a highly relevant and challenging problem. The utility of a robot greatly depends on its ability to perform a task in the real world, outside of a well-controlled lab…

Robotics · Computer Science 2024-03-01 Jiaxu Xing , Leonard Bauersfeld , Yunlong Song , Chunwei Xing , Davide Scaramuzza

While speech emotion recognition (SER) research has made significant progress, achieving generalization across various corpora continues to pose a problem. We propose a novel domain adaptation technique that embodies a multitask framework…

Computation and Language · Computer Science 2023-10-10 Chung-Soo Ahn , Jagath C. Rajapakse , Rajib Rana

This paper studies a text classification algorithm based on an improved Transformer to improve the performance and efficiency of the model in text classification tasks. Aiming at the shortcomings of the traditional Transformer model in…

Computation and Language · Computer Science 2025-01-24 Jia Gao , Guiran Liu , Binrong Zhu , Shicheng Zhou , Hongye Zheng , Xiaoxuan Liao

Robotic imitation learning has advanced from solving static tasks to addressing dynamic interaction scenarios, but testing and evaluation remain costly and challenging due to the need for real-time interaction with dynamic environments. We…

Recent advances in Vision-Language-Action (VLA) models have enabled robotic agents to integrate multimodal understanding with action execution. However, our empirical analysis reveals that current VLAs struggle to allocate visual attention…

Autoregressive vision-language-action (VLA) models have recently demonstrated strong capabilities in robotic manipulation. However, their core process of action tokenization often involves a trade-off between reconstruction fidelity and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yicheng Liu , Shiduo Zhang , Zibin Dong , Baijun Ye , Tianyuan Yuan , Xiaopeng Yu , Linqi Yin , Chenhao Lu , Junhao Shi , Luca Jiang-Tao Yu , Liangtao Zheng , Tao Jiang , Jingjing Gong , Xipeng Qiu , Hang Zhao

Modality representation learning is an important problem for multimodal sentiment analysis (MSA), since the highly distinguishable representations can contribute to improving the analysis effect. Previous works of MSA have usually focused…

Multimedia · Computer Science 2023-01-31 Peipei Liu , Xin Zheng , Hong Li , Jie Liu , Yimo Ren , Hongsong Zhu , Limin Sun

Multimodal learning, which integrates data from diverse sensory modes, plays a pivotal role in artificial intelligence. However, existing multimodal learning methods often struggle with challenges where some modalities appear more dominant…

Machine Learning · Computer Science 2024-04-02 Xiaohui Zhang , Jaehong Yoon , Mohit Bansal , Huaxiu Yao

Learning robotic skills from raw human videos remains a non-trivial challenge. Previous works tackled this problem by leveraging behavior cloning or learning reward functions from videos. Despite their remarkable performances, they may…

Robotics · Computer Science 2024-08-13 Zhifeng Qian , Mingyu You , Hongjun Zhou , Xuanhui Xu , Hao Fu , Jinzhe Xue , Bin He

The task of Stance Detection involves discerning the stance expressed in a text towards a specific subject or target. Prior works have relied on existing transformer models that lack the capability to prioritize targets effectively.…

Computation and Language · Computer Science 2024-10-10 Krishna Garg , Cornelia Caragea

Transformers have made remarkable progress towards modeling long-range dependencies within the medical image analysis domain. However, current transformer-based models suffer from several disadvantages: (1) existing methods fail to capture…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Chenyu You , Ruihan Zhao , Fenglin Liu , Siyuan Dong , Sandeep Chinchali , Ufuk Topcu , Lawrence Staib , James S. Duncan

Anticipating future actions is a highly challenging task due to the diversity and scale of potential future actions; yet, information from different modalities help narrow down plausible action choices. Each modality can provide diverse and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Apoorva Beedu , Harish Haresamudram , Karan Samel , Irfan Essa

We propose Domain-Conditioned Meta-Contrastive Learning, a framework for improving the cross-domain generalization of vision-language models. While contrastive models such as CLIP achieve strong performance through large-scale training,…

Optimization and Control · Mathematics 2026-03-31 Merham Fouladvand , Peuroly Batra

Understanding trajectory diversity is a fundamental aspect of addressing practical traffic tasks. However, capturing the diversity of trajectories presents challenges, particularly with traditional machine learning and recurrent neural…

Artificial Intelligence · Computer Science 2023-12-04 Ruyi Feng , Zhibin Li , Bowen Liu , Yan Ding

Embodied navigation in open, dynamic environments demands accurate foresight of how the world will evolve and how actions will unfold over time. We propose AstraNav-World, an end-to-end world model that jointly reasons about future visual…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Jintao Chen , Junjun Hu , Haochen Bai , Minghua Luo , Xinda Xue , Botao Ren , Chengyu Bai , Shichao Xie , Ziyi Chen , Fei Liu , Zedong Chu , Xiaolong Wu , Mu Xu , Shanghang Zhang

This paper proposes a novel approach to address the challenge that pretrained VLA models often fail to effectively improve performance and reduce adaptation costs during standard supervised finetuning (SFT). Some advanced finetuning methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Wenxuan Song , Han Zhao , Fuhao Li , Ziyang Zhou , Xi Wang , Jing Lyu , Pengxiang Ding , Yan Wang , Donglin Wang , Haoang Li

Cross-robot policy learning -- training a single policy to perform well across multiple embodiments -- remains a central challenge in robot learning. Transformer-based policies, such as vision-language-action (VLA) models, are typically…

Robotics · Computer Science 2026-03-03 Kei Suzuki , Jing Liu , Ye Wang , Chiori Hori , Matthew Brand , Diego Romeres , Toshiaki Koike-Akino

Vision-Language-Action (VLA) models have shown strong performance on embodied manipulation, yet they remain brittle under visual observation changes, paraphrased language instructions, and compounded perturbations. This limitation suggests…

Robotics · Computer Science 2026-05-20 Jingzhou Luo , Yifan Wen , Yongjie Bai , Xinshuai Song , Yang Liu , Liang Lin